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:
Apr. 26, 1988
Filed:
Nov. 30, 1984
Applicant:
Inventors:
Kelvin S Holdom, Ramsgate, GB;
Norman Winskill, Mount Kisco, NY (US);
Assignee:
Pfizer Inc., New York, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
C12N / ; C12P / ; C12P / ; C12R / ;
U.S. Cl.
CPC ...
435135 ; 435144 ; 435254 ; 435913 ;
Abstract
Aconitic acid, an unsaturated tricarboxylic acid, is obtained by fermentation of an aconitic acid-accumulating strain of Aspergillus terreus or Aspergillus itaconicus, under aerobic conditions, in a carbohydrate-containing medium, followed by isolation of the aconitic acid or a salt thereof. A preferred aconitic acid-accumulating microorganism is the strain of Aspergillus terreus which is on deposit in the Culture Collection of the Commonewealth Mycological Institute at Kew, Surrey, United Kingdom, under Accession No. CMI CC 281924.