Copolymer production

Details Copolymer production Copolymer production

1992-04-17

1993-11-23

Lilling, Herbert J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From carboxylic acid or derivative thereof

528354, 435135, 435822, 435829, 435843, 435872, C08G 6306, C12P 762

Patent

active

052645460

ABSTRACT:
A process for the synthesis of copolymers comprising 3-hydroxybutyrate (HB) and 3-hydroxyvalerate (HV) units by the cultivation of certain strains of Corynebacterium, and Rhodococcus, some of which are novel on a substrate containing e.g. glucose. The process can also be used to produce the previously unknown homopolymer of HV by using a substrate of valeric acid.

REFERENCES:
patent: 4997909 (1991-03-01), Doi
patent: 5126255 (1992-06-01), Anderson et al.
Marchessault et al., "Physical Properties of Poly-.beta.-hydroxyvalerate: A Natural Chiral Polyalkanoate", IUPAC Macro Florence 1980 International Symposium on Macromolecules Preprints 2 (1980), pp. 272-275.

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