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:
Sep. 21, 1999
Filed:
Aug. 12, 1997
Applicant:
Inventor:
Hendrik Louis Bijl, Vlaardingen, NL;
Assignee:
Gist-Brocades, Delft, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12P / ; C12N / ;
U.S. Cl.
CPC ...
435 86 ; 435170 ; 435822 ; 514 52 ; 536 264 ; 536 2641 ; 536 2642 ;
Abstract
The present invention provides a process for the preparation of a composition comprising natural vitamin B12, wherein said process comprises the steps of: