Compound containing imido group, solution of compound containing imido group and method for producing of compound containing imido group
US8993645B2 · kind B2 · utility
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8Claims
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Key dates
| Filing date | Oct 31, 2012 |
| Grant date | Mar 31, 2015 |
| Priority date | — |
| Expiry date | Jan 16, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2982
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Provided by the invention is a compound containing an imido group that is obtained by partial hydrolysis of a polyimide molded article, in which the compound has an absorption peak derived from an imido group at wave number of 1375 cm−1, an absorption peak derived from an amide group at wave number of 1600 cm−1, and an absorption peak derived from a carboxyl group at wave number of 1413 cm−1 in the IR spectrum chart obtained by IR spectroscopic measurement.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.