Polyester polyurethanes, process for preparing them, produced from the said polyester polyurethanes and their use in cosmetic compositions
US6106813A · kind A · utility
55Cited by
14References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 3, 1998 |
| Grant date | Aug 22, 2000 |
| Priority date | — |
| Expiry date | Sep 3, 2018 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q5/06
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to polyurethanes and a process for preparing them. These polyester polyurethanes contain units corresponding to the following formulae (I) and (II): ##STR1## The polyester urethanes according to the present invention form pseudolatices which may be utilized in cosmetic compositions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.