Acylphosphonate esters
US4014997A · kind A · utility
1Cited by
1References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 31, 1975 |
| Grant date | Mar 29, 1977 |
| Priority date | — |
| Expiry date | Oct 31, 1995 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q17/04
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A series of acylphosphonate esters have been found which prevent or relieve some of the ill effects of UV exposure to human skin.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.