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. 17, 1990
Filed:
Aug. 04, 1986
Applicant:
Inventors:
Anne E Goodbody, Toronto, CA;
Endo Tsuyoshi, Mississauga, CA;
John Vukovic, Malton, CA;
Masanaru Misawa, Weston, CA;
Assignee:
Allelix Biopharmaceuticals Inc., Mississauga, CA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12P / ; C12P / ; C12P / ;
U.S. Cl.
CPC ...
435119 ; 435117 ; 435118 ;
Abstract
3',4'-anhydrovinblastine, a precursor of the anti-tumor alkaloids vincristine and vinblastine, is prepared by the enzymatic coupling of catharanthine and vindoline using an iron-containing compound such as peroxidase optionally in the presence of a peroxide. Substantially enhanced yields are obtained.