Additive for hair cosmetic preparation, hair cosmetic preparation, and method for producing additive for hair cosmetic preparation
US8394360B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 6, 2009 |
| Grant date | Mar 12, 2013 |
| Priority date | — |
| Expiry date | Aug 6, 2029 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L51/02
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention provides an additive for a hair cosmetic preparation and a hair cosmetic preparation containing the additive that can give a supple feel to the finished hair. The additive for a hair cosmetic preparation contains a graft copolymer obtainable by graft-copolymerizing a cationic water-soluble monomer and a nonionic water-soluble monomer in an aqueous solution containing either one or both of a natural polymer and a natural polymer derivative that have an OH group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.