Silicone polymides, and method for making
US4826916A · kind A · utility
17Cited by
4References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 27, 1987 |
| Grant date | May 2, 1989 |
| Priority date | — |
| Expiry date | Feb 27, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G77/455
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Polyimidesiloxane coating compositions resulting from the intercondensation in the presence of methylanisole of various dianhydrides such as 2,2-bis[4-(3,4-dicarboxyphenoxy)phenyl]-propane dianhydride or bis(phthalicanhydride)tetramethyldisiloxane, or mixtures thereof with organic diamine such as toluenediamine, aminoalkyl terminated polydimethylsiloxane or oxydianiline.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.