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:
Jan. 14, 1986
Filed:
Jun. 30, 1983
Applicant:
Inventors:
Israel Goldberg, Jerusalem, IL;
Barry Stieglitz, Overbrook Hills, PA (US);
Assignee:
E. I. Du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12P / ; C12P / ; C12P / ; C12P / ; C12P / ; C12P / ; C12P / ; C12N / ;
U.S. Cl.
CPC ...
435139 ; 435136 ; 435142 ; 435143 ; 435144 ; 435145 ; 435171 ; 435244 ; 435254 ; 435110 ; 435112 ; 435939 ;
Abstract
An improved fermentation process for producing carboxylic acids, especially fumaric acid, is disclosed. The improvement comprises growing fungi of genus Rhizopus in the presence of an effective amount of at least one additive selected from the group consisting of fatty acid esters having fatty acid residues of 12 to 24 carbons, and triglyceride mixtures.