Hair cream rinse formulations containing quaternary ammonium salts
US3959461A · kind A · utility
97Cited by
4References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 28, 1974 |
| Grant date | May 25, 1976 |
| Priority date | — |
| Expiry date | May 28, 1994 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K8/925
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
New quaternary ammonium salts have been prepared from an amino amide and an amino ester and found to be useful in hair cream rinse formulations.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.