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:
Dec. 13, 1977
Filed:
Feb. 23, 1977
Applicant:
Inventors:
Pasquale Nicholas Confalone, Bloomfield, NJ (US);
Elizabeth Dianne Lollar, Bloomfield, NJ (US);
Giacomo Pizzolato, Belleville, NJ (US);
Milan Radoje Uskokovic, Upper Montclair, NJ (US);
Assignee:
Hoffmann-La Roche Inc., Nutley, NJ (US);
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; A01N / ; A01N / ;
U.S. Cl.
CPC ...
2603 / ; 544 95 ; 2603 / ; 2603 / ; 2603 / ; 2603 / ; 2603325 ; 2606 / ; 4242 / ; 424275 ; 548303 ;
Abstract
A novel process for the preparation of biotin is disclosed wherein said process employs inexpensive starting materials and reagents resulting in the obtention of biotin devoid of the biologically inactive stereoisomers.