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. 19, 2000
Filed:
May. 07, 1999
Applicant:
Inventors:
Nando Toderi, Agno, CH;
Fabrizio Marazza, Navoggio, CH;
Assignee:
Cerbios-Pharma S.A., , CH;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
544258 ; 544258 ;
Abstract
The inventive process for the reduction of pterins by means of an alkali metal boron hydride in water to the corresponding 5,6,7,8-tetrahydropterins is characterized in that the reduction is carried out in the presence of a catalytical amount of a water-soluble Pb(II)-salt.