Thickening agents for topical preparations
US5192462A · kind A · utility
19Cited by
28References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 27, 1992 |
| Grant date | Mar 9, 1993 |
| Priority date | — |
| Expiry date | Jul 27, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D1/74
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A thickening agent based upon a polyether ester compound having the formula: ##STR1## Wherein: R.sub.1 is H or ##STR2## R.sub.2 is a hydrocarbon chain having greater than 5 carbon atoms; and (W+X+Y+Z) is greater than 60. The thickening agents are useful in formulating various topical preparations, for example, shampoos, sunscreen lotions, cosmetics and the like.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.