Carboxylic polymeric thickeners
US4167502A · kind A · utility
32Cited by
4References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 5, 1977 |
| Grant date | Sep 11, 1979 |
| Priority date | — |
| Expiry date | Dec 5, 1997 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S526/932
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Polymers of a polymerizable mixture comprising an ethylenically unsaturated acid and an oligomer of an allyl-containing ester of acrylic acid or methacrylic acid are useful as thickening and bodying agents when partially or completely neutralized.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.