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:
Mar. 22, 1988
Filed:
Dec. 19, 1986
Applicant:
Inventors:
Donal F Day, Baton Rouge, LA (US);
David W Koenig, Baton Rouge, LA (US);
Assignee:
Louisiana State University and Agricultural and Mechanical College, Baton Rouge, LA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12N / ; C12N / ; C12N / ; C12R / ;
U.S. Cl.
CPC ...
435211 ; 4351721 ; 435255 ; 435911 ;
Abstract
A mutant species of Lipomyces starkeyi ATCC No. 12659 capable of hyperproducing dextranase and an improved method of culturing to achieve such at low pH to provide biologically contaminant free supernatant liquid containing dextranase. The further improved method of culturing the mutant species on a non-dextran, assimilable carbon source with optimal dextran induction is also disclosed.