Benzotriazole compound and homopolymer or copolymers thereof
US4508882A · kind A · utility
19Cited by
4References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 11, 1983 |
| Grant date | Apr 2, 1985 |
| Priority date | — |
| Expiry date | Jan 11, 2003 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D249/20
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Benzotriazole compounds having the formula ##STR1## wherein A represents a hydrogen atom or an acetyl group; R.sup.1 represents vinyl, ethyl or a haloethyl group; R.sup.2 represents a C.sub.1-4 alkyl group and n is 1 or 2. The R.sub.2.sup.2 groups need not be identical and a homopolymer or copolymers thereof which are effective as an ultraviolet absorber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.