|
| US3954500 | 24 juin 1974 | 4 mai 1976 | Safe-Tech, Inc. | Detergent compositions and dishwashing method |
| US4051055 | 21 déc. 1976 | 27 sept. 1977 | The Procter & Gamble Company | Cleansing compositions |
| US4390441 | 6 avr. 1981 | 28 juin 1983 | Lever Brothers Company | Machine dishwashing composition |
| US4908148 | 13 févr. 1989 | 13 mars 1990 | The Procter & Gamble Company | Rinse additive compositions providing glassware protection comprising insoluble zinc compounds |
| US4933101 | 13 févr. 1989 | 12 juin 1990 | The Procter & Gamble Company | Liquid automatic dishwashing compositions compounds providing glassware protection |
| US5703027 | 29 nov. 1994 | 30 déc. 1997 | The Procter & Gamble Company | Monomeric rich silicate system in automatic dishwashing composition with improved glass etching |
| US5885954 | 22 sept. 1997 | 23 mars 1999 | TPC Enterprise, Inc. | Stain remover for textured walls and ceilings |