Benzocyclobutenones and polymers derived therefrom
US5869693A · kind A · utility
7Cited by
0References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 24, 1997 |
| Grant date | Feb 9, 1999 |
| Priority date | — |
| Expiry date | Apr 24, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C311/21
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention disclosed relates to novel functionalized benzocyclobutenones of structural formula I ##STR1## wherein R is NH.sub.2, reactive NH.sub.2 derivatives including acids, acid chlorides, amides and diazonium salts, OH, CN, NO.sub.2, H, I, F Br, Cl, mercapto and deuterium. Also disclosed are polymer compositions comprising thermal reaction products of the benzocyclobutenones of formula I and either a polyol or a polyamine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.