CA2229505A1 - Coated carrier particles - Google Patents
Coated carrier particlesInfo
- Publication number
- CA2229505A1 CA2229505A1 CA002229505A CA2229505A CA2229505A1 CA 2229505 A1 CA2229505 A1 CA 2229505A1 CA 002229505 A CA002229505 A CA 002229505A CA 2229505 A CA2229505 A CA 2229505A CA 2229505 A1 CA2229505 A1 CA 2229505A1
- Authority
- CA
- Canada
- Prior art keywords
- carrier particles
- coated carrier
- polymer
- thereover
- urethane
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G9/00—Developers
- G03G9/08—Developers with toner particles
- G03G9/10—Developers with toner particles characterised by carrier particles
- G03G9/113—Developers with toner particles characterised by carrier particles having coatings applied thereto
- G03G9/1132—Macromolecular components of coatings
- G03G9/1137—Macromolecular components of coatings being crosslinked
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G9/00—Developers
- G03G9/08—Developers with toner particles
- G03G9/10—Developers with toner particles characterised by carrier particles
- G03G9/113—Developers with toner particles characterised by carrier particles having coatings applied thereto
- G03G9/1132—Macromolecular components of coatings
- G03G9/1135—Macromolecular components of coatings obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G9/00—Developers
- G03G9/08—Developers with toner particles
- G03G9/10—Developers with toner particles characterised by carrier particles
- G03G9/113—Developers with toner particles characterised by carrier particles having coatings applied thereto
- G03G9/1139—Inorganic components of coatings
Abstract
A composition comprised of a core and thereover a mixture of a first and second polymer, and wherein said first polymer contains a conductive component, and said second polymer is a poly(urethane).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/829,552 | 1997-03-28 | ||
US08/829,552 US5744275A (en) | 1997-03-28 | 1997-03-28 | Coated carrier particles |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2229505A1 true CA2229505A1 (en) | 1998-09-28 |
CA2229505C CA2229505C (en) | 2002-09-24 |
Family
ID=25254837
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002229505A Expired - Fee Related CA2229505C (en) | 1997-03-28 | 1998-02-12 | Coated carrier particles |
Country Status (5)
Country | Link |
---|---|
US (1) | US5744275A (en) |
EP (1) | EP0867780B1 (en) |
JP (1) | JP3955377B2 (en) |
CA (1) | CA2229505C (en) |
DE (1) | DE69830939T2 (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5929136A (en) * | 1997-06-13 | 1999-07-27 | Xerox Corporation | Coated carriers |
US5998076A (en) * | 1998-03-09 | 1999-12-07 | Xerox Corporation | Carrier |
US6004712A (en) * | 1998-08-26 | 1999-12-21 | Xerox Corporation | Coated carrier |
US6010812A (en) * | 1998-08-26 | 2000-01-04 | Xerox Corporation | Coated carrier |
US6083652A (en) * | 1999-03-01 | 2000-07-04 | Xerox Corporation | Coated carriers |
US6242145B1 (en) * | 2000-03-07 | 2001-06-05 | Xerox Corporation | Toner and developer providing offset lithography print quality |
US20040115554A1 (en) * | 2002-12-16 | 2004-06-17 | Xerox Corporation. | Coated carrier particles |
KR20040062065A (en) * | 2002-12-31 | 2004-07-07 | 엘지.필립스 엘시디 주식회사 | active matrix organic electroluminescence display device |
JP4246121B2 (en) * | 2004-07-29 | 2009-04-02 | 株式会社リコー | Color carrier and developer for electrostatic latent image development |
US7378211B2 (en) * | 2005-08-15 | 2008-05-27 | Xerox Corporation | Carrier and developer compositions |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3590000A (en) * | 1967-06-05 | 1971-06-29 | Xerox Corp | Solid developer for latent electrostatic images |
US4007293A (en) * | 1976-03-01 | 1977-02-08 | Xerox Corporation | Mechanically viable developer materials |
US4233387A (en) * | 1979-03-05 | 1980-11-11 | Xerox Corporation | Electrophotographic carrier powder coated by resin dry-mixing process |
JPS56126843A (en) * | 1980-03-10 | 1981-10-05 | Tomoegawa Paper Co Ltd | Carrier for electrophotographic dry toner |
US4374192A (en) * | 1980-11-04 | 1983-02-15 | Ricoh Company, Ltd. | Carrier coating compositions of butadiene-acrylonitrile rubber and polyurethane |
JPS5946654A (en) * | 1982-07-30 | 1984-03-16 | Ricoh Co Ltd | Electrostatic photographic developer |
US4937166A (en) * | 1985-10-30 | 1990-06-26 | Xerox Corporation | Polymer coated carrier particles for electrophotographic developers |
US4935326A (en) * | 1985-10-30 | 1990-06-19 | Xerox Corporation | Electrophotographic carrier particles coated with polymer mixture |
US4810611A (en) * | 1987-11-02 | 1989-03-07 | Xerox Corporation | Developer compositions with coated carrier particles having incorporated therein colorless additives |
US5332638A (en) * | 1993-03-29 | 1994-07-26 | Xerox Corporation | Developer compositions with thermoset polymer coated carrier particles |
JPH086306A (en) * | 1994-06-15 | 1996-01-12 | Dainippon Ink & Chem Inc | Elecrophotographic magnetic carrier and manufacture thereof |
JPH086305A (en) * | 1994-06-22 | 1996-01-12 | Hitachi Metals Ltd | Magnetic carrier for developer |
US5595851A (en) * | 1995-06-21 | 1997-01-21 | Xerox Corporation | Conductive developer compositions with coated carrier particles |
-
1997
- 1997-03-28 US US08/829,552 patent/US5744275A/en not_active Expired - Lifetime
-
1998
- 1998-02-12 CA CA002229505A patent/CA2229505C/en not_active Expired - Fee Related
- 1998-03-20 JP JP07172898A patent/JP3955377B2/en not_active Expired - Fee Related
- 1998-03-27 EP EP98105665A patent/EP0867780B1/en not_active Expired - Lifetime
- 1998-03-27 DE DE69830939T patent/DE69830939T2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0867780B1 (en) | 2005-07-27 |
DE69830939T2 (en) | 2006-01-12 |
CA2229505C (en) | 2002-09-24 |
EP0867780A3 (en) | 1998-12-16 |
US5744275A (en) | 1998-04-28 |
JP3955377B2 (en) | 2007-08-08 |
JPH10282729A (en) | 1998-10-23 |
DE69830939D1 (en) | 2005-09-01 |
EP0867780A2 (en) | 1998-09-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |