Block copolymer and ester-terminated polyesteramide composition and uses thereof
US8545860B2 · kind B2 · utility
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4References
6Claims
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Key dates
| Filing date | Dec 23, 2009 |
| Grant date | Oct 1, 2013 |
| Priority date | — |
| Expiry date | Mar 13, 2030 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L53/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Compositions and methods for the preparation of a composition comprising a block copolymer and ester-terminated polyester amide solubilized in a compatible solvent are disclosed. The disclosed compositions are long-lasting, transfer resistant, flexible, and water-proof capable of complexing the active ingredient to provide such benefits. The disclosed compositions are useful for formulating cosmetics, personal care products, cosmeceuticals, and the like.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.