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:
Oct. 18, 1994
Filed:
Feb. 14, 1992
Applicant:
Inventors:
Eric A Johnson, Madison, WI (US);
Huei-hsiung Yang, Rockville, MD (US);
Beril Geldiay-Tuncer, Bostanli-Karsiyaka, TR;
William T Hall, Rockville, MD (US);
David Schreiber, Columbia, MD (US);
Kwok Ho, San Diego, CA (US);
Assignee:
Igene Biotechnology, Inc., Columbia, MD (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12N / ; C12P / ;
U.S. Cl.
CPC ...
4352551 ; 435 67 ; 435244 ; 4352568 ; 435911 ;
Abstract
An economical process for in vivo production of the pigment astaxanthin, and particularly a process for enhancing astaxanthin content of cultures of microorganisms of genus Phaffia, the process comprising culturing a microorganism of genus Phaffia in a nutrient medium containing an antibiotic, a cytochrome B inhibitor, or a terpenoid synthetic pathway inhibitor, cultivating surviving pigment enhanced microorganisms, and harvesting the yeast.