Cosmetic compositions containing multi-block ionizable polysiloxane/polyurethane and/or polyurea polycondensates in solution, and uses thereof
US6395265B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 5, 1997 |
| Grant date | May 28, 2002 |
| Priority date | — |
| Expiry date | Sep 5, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G18/615
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Cosmetic compositions based on multiblock ionizable polycondensates, and uses thereof The invention relates to novel cosmetic or dermatological compositions, characterized in that they comprise, in a cosmetically acceptable support, at least one solution or one emulsion of at least one multiblock polycondensate whose chain consists of the repetition of at least one polysiloxane block and of at least one polyurethane and/or polyurea block; the said polyurethane and/or polyurea block also including ionizable groups and the said polycondensate being dissolved in an aqueous, organic or aqueous-organic solvent system. These compositions may be used in particular in the cosmetic field of hair care, make-up or skincare.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.