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:
Aug. 31, 1993
Filed:
Feb. 26, 1991
Applicant:
Inventors:
Lapyuen H Lam, Mystic, CT (US);
Hamish A McArthur, Gales Ferry, CT (US);
Richard G Wax, Waterford, CT (US);
Assignee:
Pfizer Inc., New York, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C12N / ; C12N / ; C12P / ;
U.S. Cl.
CPC ...
4352535 ; 435119 ; 4351721 ; 4351722 ;
Abstract
Mutants of Streptomyces avermitilis lacking ability to produce glycosylated avermectins and lacking branched-chain 2-oxo acid dehydrogenase activity, method for preparation thereof, and use thereof to produce natural and non-natural avermectin aglycones useful as parasiticides.