The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 18, 1990
Filed:
Nov. 20, 1987
Robert M Lafferty, Graz, AT;
Gerhart Braunegg, Graz, AT;
Petrochemie Danubia Ges.m.b.H., Mannsworth, AT;
Abstract
The present invention relates to a process for the biotechnological preparation of poly-D-(-)-3-hydroxybutyric acid, herein referred to as PHB, which comprises culturing a microorganism that is a strain of Alcaligenes latus or a PHB-producing mutant thereof with unrestricted supply of nutrients, under unlimited growth conditions in the temperature range from 36.degree. to 42.degree. C. at a dissolved oxygen content of 25 to 50% of the saturation value for air and a pH value of 6.0 to 7.5. The PHB is then isolated in the customary manner from the biomass thereby obtained.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile