Acid anhydride complex and process for producing same, and composition containing same
US5183838A · kind A · utility
0Cited by
1References
7Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Jul 2, 1991 |
| Grant date | Feb 2, 1993 |
| Priority date | — |
| Expiry date | Jul 2, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L63/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
An acid dianhydride complex which is characterized in anti-hydrolysis, good stability, and high solubility in an organic solvent, is prepared by a reaction of a basic organic compound having a donor number of at least 20 and being free from an active hydrogen atom in the molecule and a carboxylic dianhydride compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.