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:
Jun. 29, 1993
Filed:
Dec. 30, 1991
Applicant:
Inventor:
Federico Gennari, Truccazzano, IT;
Assignee:
Bioresearch S.p.A., Milan, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ;
U.S. Cl.
CPC ...
514249 ;
Abstract
A method for preparing d,1-5-methyltetrahydrofolic acid and the salts thereof of the formula: ##STR1## wherein X is hydrogen, an alkaline metal or alkaline earth metal; by reduction of folic acid with sodium borohydride followed by the methylation of the tetrahydrofolic acid thus obtained with aqueous solutions of formaldehye and sodium borohydride in an inert atmosphere.
Gennari, Federico. (1993). Stable pharmaceutical composition of alkaline or alkaline earth 5-methyl (U.S. Patent No. 5223500). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5223500
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile