Patent · US Expired

Bacterial hydroxylation of codeine

US4798792A · kind A · utility

1Cited by

0References

15Claims

0Family size

Assignee

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

Inventors

Patricia A. Harder · Wilmington, US
Daniel Kunz · Heidelberg, DE

Key dates

Filing date	Sep 9, 1985
Grant date	Jan 17, 1989
Priority date	—
Expiry date	Sep 9, 2005

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S435/90
WIPO fieldBiotechnology
WIPO sectorChemistry

Abstract

A microbial process for converting codeine to 14-hydroxycodeine is provided. This process comprises aerobically culturing codeine with bacteria of the genus Streptomyces for at least about 3 days in a rich medium such as soybean flour medium.

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