Polyhydroxyalkanoate copolymer containing in molecule unit with vinylphenyl structure in its side chain and method of manufacturing the same
US6645743B1 · kind B1 · utility
14Cited by
3References
16Claims
0Family size
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Inventors
Key dates
| Filing date | Feb 25, 2003 |
| Grant date | Nov 11, 2003 |
| Priority date | — |
| Expiry date | Feb 25, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S435/877
- WIPO fieldBiotechnology
- WIPO sectorChemistry
Abstract
A polyhydroxyalkanoate (PHA) having a desired configuration is produced using a raw material containing &ohgr;-(4-vinylphenyl)-alkanoic acid and (&ohgr;-substituted alkanoic acid in which a group having a ring structure selected from phenyl, thienyl, and cyclohexyl structures substitutes therefor on the end thereof by producing a PHA copolymer containing the corresponding 3-hydroxy-&ohgr;-(4-vinylphenyl)-alkanoate unit and the corresponding 3-hydroxy-&ohgr;-substituted alkanoate unit by making use of a microorganism capable of producing the PHA or by oxidizing a predetermined portion of the corresponding PHA.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.