Hair preparation containing vinyl pyrrolidone copolymer
US4223009A · kind A · utility
179Cited by
10References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 10, 1977 |
| Grant date | Sep 16, 1980 |
| Priority date | — |
| Expiry date | Jun 10, 1997 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S424/02
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Hair preparations containing a copolymer of about 99.5 to 45.1 mole percent vinyl pyrrolidone and about 0.5 to 4.9 mole percent diloweralkylaminoalkyl acrylate or methacrylate, and method of setting and conditioning hair therewith.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.