Enzyme-catalyzed process for the preparation of macrocyclic...

Details Enzyme-catalyzed process for the preparation of macrocyclic... Enzyme-catalyzed process for the preparation of macrocyclic...

2006-06-01

2009-06-02

Boykin, Terressa M (Department: 1796)

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

Synthetic resins

From carboxylic acid or derivative thereof

C424S451000, C424S456000, C435S018000, C435S134000, C435S136000, C524S589000, C524S732000, C524S768000, C528S271000, C528S274000

Reexamination Certificate

active

07541422

ABSTRACT:
A process for the enzyme-catalyzed preparation of cyclic ester oligomers from dicarboxylic acids and/or dicarboxylic acid derivatives and diols, hydroxycarboxylic acids and/or hydroxycarboxylic acid esters, and/or linear ester oligomers in the presence of a solvent comprising a tertiary alcohol and a non-alcoholic solvent.

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Lipase-catalyzed Synthesis of Aromatic Polyesters, Journal of Industrial Microbiology & Biotechnology (1998).

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