Cosmestic compositions containing a cationic polymer and an anionic polymer as thickening agent
US4839166A · kind A · utility
210Cited by
8References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 15, 1987 |
| Grant date | Jun 13, 1989 |
| Priority date | — |
| Expiry date | May 15, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S526/932
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Thickening agent resulting from the interaction of a copolymer of cellulose or of a cellulose derivative which are grafted with a quaternary ammonium salt of a water-soluble monomer and of a carboxylic anionic polymer and cosmetic compositions in which it is present.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.