WO1994027829A1 - A security marking method and composition - Google Patents
A security marking method and composition Download PDFInfo
- Publication number
- WO1994027829A1 WO1994027829A1 PCT/US1994/003237 US9403237W WO9427829A1 WO 1994027829 A1 WO1994027829 A1 WO 1994027829A1 US 9403237 W US9403237 W US 9403237W WO 9427829 A1 WO9427829 A1 WO 9427829A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- marking
- marking fluid
- fluid
- illuminated
- solvent
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
- B41M3/14—Security printing
- B41M3/142—Security printing using chemical colour-formers or chemical reactions, e.g. leuco-dye/acid, photochromes
Definitions
- the present invention relates to a method and a composition for identifying diverse products that can be made of diverse materials, such as paper documents, appliances, clothing, boxes, glass products, plastic finish products and others in a covert manner.
- the object of the present invention is to provide a dramatically effective solution to the above-mentioned problem by keeping the covert marking invisible both under regular (visible) light and under ultraviolet illumination.
- the originator of the marking knows its location, and, therefore, to erase or modify such a covert mark by an uninformed intruder is practically impossible without destroying the entire substrate that carries the marking.
- the present invention is based upon the use of a reactive marking composition A which is normally invisible both to the naked eye under normal or visible lighting conditions and when viewed under ultraviolet radiation.
- This marking composition A is, however, reactive with another composition B in such a manner that upon interaction with composition B, the original marking continues to remain practically invisible to the naked eye under normal lighting conditions, while on the other hand it becomes_ brilliant by fluorescence when subjected to any one of the commonly used sources of ultraviolet radiation.
- the method of the present invention is qualified as a double security, fluorescence on demand, marking system.
- the first and high level of security is provided by the invisibility of the marking to the naked eye both under normal lighting and ultraviolet illumination conditions.
- the second level of security which plays the role of a double lock is provided by the fact that the mark must be activated with a special marker and the marking still remains practically invisible to the naked eye and reveals itself only in the form of a switched on fluorescence which shows only upon illumination by a commonly available ultraviolet radiation source.
- the method comprises the steps of marking a portion of a substrate by applying a first marking fluid, which , upon drying is invisible to the human eye both when illuminated by visible light and with ultraviolet light.
- the marked portion is activated by applying a second marking fluid thereon, wherein the second marking fluid is reactable with the first marking fluid to be invisible upon drying to an unaided human eye when illuminated by visible light but it fluoresces when illuminated by ultraviolet light and thereby becomes visible.
- the first marking fluid is preferably selected from amino pthalides and quinazolines, with the second marking fluid selected from novalac resins, bisphenols and hydroxybenzoates.
- the first marking fluid is selected from novalac resins, bisphenols and hydroxybenzoates
- the second marking fluid is selected from amino pthalides and quinazolines .
- the first and second marking fluids are each applied in solvent vehicles, preferably selected from alcohol, acetone, methylethylketone or a combination thereof.
- the first and second marking fluids are applied as micronized particles in an aqueous solution with a binder.
- the activation step further comprises applying a solvent to the applied first and second marking fluids on the substrate.
- the present invention also relates to a security marking composition which compris.es the first and second marking fluids as set forth above.
- Fig. 1 is a schematic view of the first step of the method according to the present invention
- Fig. 2 is a schematic representation of the second step of the method according to the present invention.
- Fig. 3 is a schematic representation of a third step in accordance with the method of the present invention.
- the system of the present invention begins with the concept of applying, to a surface, a colorless marking fluid containing the composition A using a vehicle which upon drying leaves no visible trace on the applied surface. It has been discovered that a choice from the well known solvents such as alcohol, acetone, methylethylketone, etc. can easily be made to act as a vehicle for composition A with regard to a substrate, such that after drying pra tically no visible trace is left on the surface. Furthermore, as described above, the molecular structure of composition A is such that it is practically non-interactive to radiation at least down to the usual shortwave ultraviolet wavelength range of one to two hundred nanometers and preferably even below such wavelengths.
- Fig. 1 shows the first step in the method wherein the marking 2 is applied to a substrate 1.
- the marking 2 is invisible both under normal lighting conditions (visible light) and when illuminated by an ultraviolet light source 4.
- the substrate can be from a diverse range of materials, including paper, cardboard, plastic, metals, fabrics, plastics, glass, etc.
- a composition B is carried by a solvent such as alcohol, acetone, methylethylketone, etc., and is applied over the same area 3 where the marking A has been applied as is shown in Fig. 2, compositions A and B react and the molecular structure of composition A is modified in such a way that the new modified molecule exhibits a pronounced, fluorescence effect.
- the electronic structure of the new molecule exhibits a strong absorption at ultraviolet frequencies in the range of one hundred to four hundred nanometer wavelengths and correspondingly exhibits a strong fluorescence emission in the visible spectrum, as shown in Fig. 3 when illuminated by an ultraviolet light source 4.
- Such emissions being relatively monochromatic and appearing as a blue, yellow, red or orange color, will be visible even on a pitch black substrate.
- the new molecule when not excited by the ultraviolet radiation from source 4, does not exhibit any appreciable absorption or emission in the visible spectrum and thus remains invisible.
- composition A amino pthalides and quinazolines can be used as composition A in solvent vehicles such as alcohol, acetone and methylethylketone or any combination thereof.
- solvent vehicles such as alcohol, acetone and methylethylketone or any combination thereof.
- highly micronized particles of composition A can be carried by an aqueous solution and be applied with a binder to a given surface or substrate.
- materials such as novalac resins, bisphenols and hydroxybenzoates can be used as composition B in solvent vehicles such as alcohol, acetone and methylethylketone or any combination thereof.
- the composition B can also be highly micronized and carried by an aqueous solution.
- compositions A and B When compositions A and B are applied through a solvent, the two molecules react instantly and the mechanism described above makes the marking visible under ultraviolet radiation.
- compositions A and B include the micronized particles and are applied through and aqueous vehicle, the activation will take place only after highlighting the combination of compositions A and B with a solvent such as alcohol, acetone methylethylketone, etc. Activation in this case can also be achieved by heating the combination up to a temperature in the range of around 65° to 100° C.
- the vehicle carrying composition A must be essentially clear, and it should not aggressively attack the substrate surface, and its own interaction with ultraviolet light must match that of the substrate .
- the substrate tends to absorb ultraviolet light
- the vehicle for A must do the same and on the contrary if the substrate tends to show fluorescence then the vehicle for A should do the same. This latter feature can easily be achieved by the addition of minute percentages of optical absorbers or optical brighteners to the vehicle of A as the need dictates.
- compositions usable as chemicals A and B are examples of compositions usable as chemicals A and B:
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU69416/94A AU6941694A (en) | 1993-05-28 | 1994-03-24 | A security marking method and composition |
EP94917884A EP0703864B1 (en) | 1993-05-28 | 1994-03-24 | A security marking method and system |
JP7500602A JPH09500585A (en) | 1993-05-28 | 1994-03-24 | Security marking method and composition |
CA002163083A CA2163083C (en) | 1993-05-28 | 1994-03-24 | Security marking method and composition |
DE69414848T DE69414848T2 (en) | 1993-05-28 | 1994-03-24 | METHOD AND SYSTEM FOR SECURING MARKING |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/069,238 | 1993-05-28 | ||
US08/069,238 US5421869A (en) | 1993-05-28 | 1993-05-28 | Security marking method and composition |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1994027829A1 true WO1994027829A1 (en) | 1994-12-08 |
Family
ID=22087634
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1994/003237 WO1994027829A1 (en) | 1993-05-28 | 1994-03-24 | A security marking method and composition |
Country Status (8)
Country | Link |
---|---|
US (1) | US5421869A (en) |
EP (1) | EP0703864B1 (en) |
JP (1) | JPH09500585A (en) |
AT (1) | ATE173679T1 (en) |
AU (1) | AU6941694A (en) |
CA (1) | CA2163083C (en) |
DE (1) | DE69414848T2 (en) |
WO (1) | WO1994027829A1 (en) |
Cited By (2)
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EP0830431A1 (en) * | 1995-06-05 | 1998-03-25 | Nocopi Technologies, Inc. | A security marking method and composition |
CN107474634A (en) * | 2017-09-30 | 2017-12-15 | 北京赛腾标识系统股份公司 | A kind of double anti-forge inkjet inks |
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US6027820A (en) * | 1996-01-11 | 2000-02-22 | Jps Packaging Co. | Continuous web registration |
US6232124B1 (en) | 1996-05-06 | 2001-05-15 | Verification Technologies, Inc. | Automated fingerprint methods and chemistry for product authentication and monitoring |
US6240396B1 (en) | 1996-09-04 | 2001-05-29 | Priceline.Com Incorporated | Conditional purchase offer management system for event tickets |
US6106110A (en) * | 1996-10-09 | 2000-08-22 | Nocopi Technologies, Inc. | Secure thermal ink jet printing composition and substrate and method and apparatus utilizing same |
MX9702835A (en) * | 1997-04-18 | 1998-11-30 | Jose Luis Guerrero Sanchez | Anti-theft electromechanical, electronic security and alarm system, for automotive vehicles. |
US6107932A (en) * | 1997-08-22 | 2000-08-22 | Walker Digital, Llc | System and method for controlling access to a venue using alterable tickets |
US6138913A (en) * | 1997-11-05 | 2000-10-31 | Isotag Technology, Inc. | Security document and method using invisible coded markings |
US6234078B1 (en) | 1997-12-10 | 2001-05-22 | Monarch Marking Systems, Inc. | Ink roller assembly having a plurality of sections each having a porous sleeve |
US6155491A (en) | 1998-05-29 | 2000-12-05 | Welch Allyn Data Collection, Inc. | Lottery game ticket processing apparatus |
US6217794B1 (en) | 1998-06-01 | 2001-04-17 | Isotag Technology, Inc. | Fiber coating composition having an invisible marker and process for making same |
US6490030B1 (en) | 1999-01-18 | 2002-12-03 | Verification Technologies, Inc. | Portable product authentication device |
RU2145927C1 (en) * | 1999-07-16 | 2000-02-27 | Юрий Викторович Жваколюк | Method for protecting information medium against falsification |
US6650428B1 (en) * | 1999-08-26 | 2003-11-18 | Hewlett-Packard Development Company, L.P. | Automated duplex image generation for a duplexing image forming device |
US6184373B1 (en) | 1999-09-03 | 2001-02-06 | Eastman Chemical Company | Method for preparing cellulose acetate fibers |
US6512580B1 (en) | 1999-10-27 | 2003-01-28 | Verification Technologies, Inc. | Method and apparatus for portable product authentication |
US6400386B1 (en) | 2000-04-12 | 2002-06-04 | Eastman Kodak Company | Method of printing a fluorescent image superimposed on a color image |
US20040000787A1 (en) * | 2000-04-24 | 2004-01-01 | Rakesh Vig | Authentication mark for a product or product package |
US6638593B2 (en) | 2000-06-30 | 2003-10-28 | Verification Technologies, Inc. | Copy-protected optical media and method of manufacture thereof |
WO2002002301A1 (en) | 2000-06-30 | 2002-01-10 | Verification Technologies Inc. | Copy-protected optical media and method of manufacture thereof |
US7660415B2 (en) * | 2000-08-03 | 2010-02-09 | Selinfreund Richard H | Method and apparatus for controlling access to storage media |
ES2356598T3 (en) * | 2000-09-20 | 2011-04-11 | Alpvision Sa | PROCESS INTENDED TO PREVENT THE FALSIFICATION OR ALTERATION OF A PRINTED OR RECORDED SURFACE. |
US7536553B2 (en) * | 2001-05-10 | 2009-05-19 | Pitney Bowes Inc. | Method and system for validating a security marking |
DE10253183A1 (en) | 2001-11-14 | 2003-06-26 | Benq Corp | Invisible ink composition and method to ensure the confidentiality of a document |
US20030107639A1 (en) * | 2001-12-11 | 2003-06-12 | Gary Field | Process for printing a fluorescent security feature on identification cards and cards produced therefrom |
CA2470600C (en) | 2001-12-24 | 2009-12-22 | Digimarc Id Systems, Llc | Systems, compositions, and methods for full color laser engraving of id documents |
CA2471457C (en) | 2001-12-24 | 2011-08-02 | Digimarc Id Systems, Llc | Covert variable information on id documents and methods of making same |
EP1467834A4 (en) | 2001-12-24 | 2005-04-06 | Digimarc Id Systems Llc | Laser etched security features for identification documents and methods of making same |
US7694887B2 (en) | 2001-12-24 | 2010-04-13 | L-1 Secure Credentialing, Inc. | Optically variable personalized indicia for identification documents |
US6783991B1 (en) | 2002-02-06 | 2004-08-31 | The Standard Register Company | Reversible and reusable authentication system for secure documents |
WO2003088144A2 (en) | 2002-04-09 | 2003-10-23 | Digimarc Id Systems, Llc | Image processing techniques for printing identification cards and documents |
US7824029B2 (en) | 2002-05-10 | 2010-11-02 | L-1 Secure Credentialing, Inc. | Identification card printer-assembler for over the counter card issuing |
US20040023397A1 (en) * | 2002-08-05 | 2004-02-05 | Rakesh Vig | Tamper-resistant authentication mark for use in product or product packaging authentication |
US7804982B2 (en) | 2002-11-26 | 2010-09-28 | L-1 Secure Credentialing, Inc. | Systems and methods for managing and detecting fraud in image databases used with identification documents |
JP4550439B2 (en) | 2003-02-28 | 2010-09-22 | 東芝メモリシステムズ株式会社 | ECC controller |
DE602004030434D1 (en) | 2003-04-16 | 2011-01-20 | L 1 Secure Credentialing Inc | THREE-DIMENSIONAL DATA STORAGE |
US7364085B2 (en) * | 2003-09-30 | 2008-04-29 | Digimarc Corporation | Identification document with printing that creates moving and three dimensional image effects with pulsed illumination |
US20050165131A1 (en) * | 2003-10-06 | 2005-07-28 | Terry Stovold | Invisible ink |
US20050075420A1 (en) * | 2003-10-06 | 2005-04-07 | Terry Stovold | Invisible ink |
US8053494B2 (en) * | 2003-10-06 | 2011-11-08 | Nocopi Technologies, Inc. | Invisible ink and scratch pad |
WO2005038734A2 (en) * | 2003-10-07 | 2005-04-28 | The Johns Hopkins University | Authentication of products using molecularly imprinted polymers |
US8080097B2 (en) * | 2003-11-06 | 2011-12-20 | Hewlett-Packard Development Company, L.P. | System and a method for the creation of edible, optically invisible images |
US7566473B2 (en) | 2003-11-25 | 2009-07-28 | Vin Mark Security Services, Llc | Vehicle identification marking system |
US7455877B2 (en) * | 2003-11-25 | 2008-11-25 | Vin Mark Security Services, Llc | Vehicle identification marking system |
US6974470B2 (en) * | 2004-02-27 | 2005-12-13 | Kao Corporation | Heat-generative, steam generation sheet for face |
CN100422431C (en) * | 2005-09-30 | 2008-10-01 | 浙江理工大学 | Textile anticounterfeit printing method |
US8534820B2 (en) * | 2008-01-21 | 2013-09-17 | Brother Kogyo Kabushiki Kaisha | Ink for ink-jet recording, ink cartridge, ink-jet recording apparatus, method of determining, and method of ink-jet recording |
CN106103121B (en) * | 2014-03-18 | 2019-12-06 | 亚普蒂恩(B.V.I.)公司 | Encrypted optical marker for security applications |
US20150355151A1 (en) * | 2014-05-22 | 2015-12-10 | Smartwater Ltd | Security marker systems and methods with tracking scent |
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EP0181698A1 (en) * | 1984-10-08 | 1986-05-21 | Nikka Chemical Ind. Co., Ltd. | Heat-sensitive recording material |
EP0211754A2 (en) * | 1985-08-08 | 1987-02-25 | Petrel | Security marking process and material provided with security markings |
US5209515A (en) * | 1991-02-08 | 1993-05-11 | The Standard Register Company | Solvent and/or pressure sensitive security document |
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DE2951486C2 (en) * | 1979-12-20 | 1982-06-16 | GAO Gesellschaft für Automation und Organisation mbH, 8000 München | Security paper protected against counterfeiting and counterfeiting and process for its manufacture |
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US5135569A (en) * | 1990-08-24 | 1992-08-04 | W. R. Grace & Co.-Conn. | Ink composition containing fluorescent component and method of tagging articles therewith |
-
1993
- 1993-05-28 US US08/069,238 patent/US5421869A/en not_active Expired - Fee Related
-
1994
- 1994-03-24 CA CA002163083A patent/CA2163083C/en not_active Expired - Fee Related
- 1994-03-24 WO PCT/US1994/003237 patent/WO1994027829A1/en active IP Right Grant
- 1994-03-24 JP JP7500602A patent/JPH09500585A/en active Pending
- 1994-03-24 EP EP94917884A patent/EP0703864B1/en not_active Expired - Lifetime
- 1994-03-24 AT AT94917884T patent/ATE173679T1/en not_active IP Right Cessation
- 1994-03-24 DE DE69414848T patent/DE69414848T2/en not_active Expired - Fee Related
- 1994-03-24 AU AU69416/94A patent/AU6941694A/en not_active Abandoned
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0181698A1 (en) * | 1984-10-08 | 1986-05-21 | Nikka Chemical Ind. Co., Ltd. | Heat-sensitive recording material |
EP0211754A2 (en) * | 1985-08-08 | 1987-02-25 | Petrel | Security marking process and material provided with security markings |
US5209515A (en) * | 1991-02-08 | 1993-05-11 | The Standard Register Company | Solvent and/or pressure sensitive security document |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0830431A1 (en) * | 1995-06-05 | 1998-03-25 | Nocopi Technologies, Inc. | A security marking method and composition |
EP0830431B1 (en) * | 1995-06-05 | 2000-01-26 | Nocopi Technologies, Inc. | A security marking method and composition |
CN107474634A (en) * | 2017-09-30 | 2017-12-15 | 北京赛腾标识系统股份公司 | A kind of double anti-forge inkjet inks |
Also Published As
Publication number | Publication date |
---|---|
DE69414848D1 (en) | 1999-01-07 |
JPH09500585A (en) | 1997-01-21 |
US5421869A (en) | 1995-06-06 |
EP0703864B1 (en) | 1998-11-25 |
ATE173679T1 (en) | 1998-12-15 |
CA2163083A1 (en) | 1994-12-08 |
DE69414848T2 (en) | 1999-06-02 |
AU6941694A (en) | 1994-12-20 |
CA2163083C (en) | 2003-06-24 |
EP0703864A1 (en) | 1996-04-03 |
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