Enzyme-catalyzed esterification of pendant carboxylic acid...

Details Enzyme-catalyzed esterification of pendant carboxylic acid... Enzyme-catalyzed esterification of pendant carboxylic acid...

2005-08-02

2005-08-02

Lilling, Herbert J. (Department: 1651)

Chemistry: molecular biology and microbiology

Micro-organism, tissue cell culture or enzyme using process...

Preparing compound containing saccharide radical

C435S101000, C435S110000, C435S123000, C435S126000, C435S128000, C435S130000, C435S135000, C525S330100, C525S384000

Reexamination Certificate

active

06924129

ABSTRACT:
A method for enzymatically synthesizing a polymer by combining a preselected quantity of an enzyme, a first reactant selected from polymers with at least one carboxylic acid pendant group, a second reactant selected from alcohols, i.e., polyols, in a reaction vessel; heating the reaction vessel to a preselected temperature; and maintaining the reaction vessel at the preselected temperature for a preselected time with mixing, wherein an esterification reaction results at at least one carboxylic acid pendant group of the polymer with one hydroxyl group from the polyol and results in a modified polymer.

REFERENCES:
patent: 2680735 (1954-06-01), Fegley
patent: 2877215 (1959-03-01), Fang
patent: 2967173 (1961-01-01), Fang
patent: 2979514 (1961-04-01), O'Brien
patent: 3530167 (1970-09-01), Dowbenko
patent: 4076727 (1978-02-01), Zey
patent: 4634722 (1987-01-01), Gallop

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