Topical ultra-violet radiation protectants
US5441726A · kind A · utility
57Cited by
53References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 28, 1993 |
| Grant date | Aug 15, 1995 |
| Priority date | — |
| Expiry date | Apr 28, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/4935
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Disclosed are compositions for application to a surface to protect the surface from ultra-violet radiation, which include zinc oxide particles having a substantially rod shape.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.