Enzymatic synthesis
US5631343A · kind A · utility
31Cited by
0References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 15, 1995 |
| Grant date | May 20, 1997 |
| Priority date | — |
| Expiry date | Jun 15, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S435/931
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A process for producing a polyester comprising as repeating units (i) residues of at least one aliphatic hydroxycarboxylic acid, aminocarboxylic acid, or derivative thereof; or (ii) residues of (a) at least one aliphatic dicarboxylic acid or derivative thereof, (b) at least one aliphatic hydroxyamine, diol, polyol, diamine or polyamine, and optionally (c) at least one aliphatic hydroxycarboxylic acid, aminocarboxylic acid or derivative thereof; comprises reacting the components defined in (i) or components defined in (ii) in the absence of a solvent and in the presence of a lipase.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.