Patent · US Active

Process for enzymatically converting glycolonitrile to glycolic acid

US7867739B2 · kind B2 · utility

0Cited by

24References

19Claims

0Family size

Assignee

E.I. DU PONT DE NEMOURS AND COMPANY · US

Inventors

Robert DiCosimo · Chadds Ford, US
Anna Panova · Hockessin, US
Samuel David Arthur · Wilmington, US
Henry Keith · Hockessin, US

Key dates

Filing date	Apr 24, 2009
Grant date	Jan 11, 2011
Priority date	—
Expiry date	Apr 24, 2029

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC12Y305/05001
WIPO fieldBiotechnology
WIPO sectorChemistry

Abstract

A process is provided to improve the specific activity of an enzyme catalyst having nitrilase activity when converting glycolonitrile to glycolic acid under aqueous reaction conditions. Inclusion of an effective amount of at least one amine protectant improves the specific activity and catalytic productivity of the enzyme catalyst.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.