Silylated ultraviolet light absorbers having resistance to humidity
US5679820A · kind A · utility
15Cited by
3References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 16, 1996 |
| Grant date | Oct 21, 1997 |
| Priority date | — |
| Expiry date | Dec 16, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31663
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The instant invention is directed to novel silylated agents having the formula ##STR1## where Ar and Ar' are independently substituted or unsubstituted aromatic rings, R is a branched or unbranched chain of 1 to 6 carbons, R' and R" are independently C1 to C12 alkyl or mixtures of C1 to C12 alkyl, and n is 1 or 2. The novel dibenzoylresorcinol silylated agents are capable of absorbing ultraviolet light.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.