Copolyesters having repeat units derived from succinic acid
US5434238A · kind A · utility
6Cited by
8References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 23, 1994 |
| Grant date | Jul 18, 1995 |
| Priority date | — |
| Expiry date | Nov 23, 2014 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2913
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
This invention relates to aliphatic copolyesters prepared from succinic acid (or derivatives thereof) and a process for the preparation thereof. The aliphatic copolyesters contain a second component, 1,4-butanediol, and a third component which is either a diacid or a diol (or derivatives thereof).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.