Chemical compositions for inhibiting nitrosation reaction in toiletries and cosmetics
US5807542A · kind A · utility
16Cited by
8References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 28, 1996 |
| Grant date | Sep 15, 1998 |
| Priority date | — |
| Expiry date | May 28, 2016 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q19/10
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Iminium ion scavengers are used in the invention to inhibit formation of N-nitrosamines, especially in cosmetics and pharmaceuticals formulations. The iminium ion scavengers may be used in combination with nitrite ion scavengers such as ascorbate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.