Hair straightening conditioner
US4911919A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 12, 1988 |
| Grant date | Mar 27, 1990 |
| Priority date | — |
| Expiry date | Aug 12, 2008 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/5422
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A stable hair straightening conditioner which softens and conditions hair when used as a rinse conditioner and which straightens hair when left in the hair using a one-step treatment process, consisting essentially of effective amounts of a nonionic water-soluble cellulose polymer, polyvinyl pyrrolidone, a di-C.sub.10 -C.sub.22 alkyl di-C.sub.1 -C.sub.3 alkyl quaternary ammonium compound, a C.sub.8 -C.sub.18 alkylamido C.sub.2 -C.sub.3 alkyl di C.sub.1 -C.sub.2 alkyl amine, propylene glycol, mineral oil, a C.sub.8 -C.sub.18 alkanol and cyclomethicone in an aqueous vehicle. Also within the scope of the invention is the process of straightening the hair which comprises the steps of applying the straightener-conditioner composition to wet or dry hair in an amount sufficient to wet the hair, combing the hair to distribute the composition and continuing said combing in the presence or absence of added heat until the hair is substantially dry.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.