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. 05, 2000
Filed:
Aug. 04, 1999
Applicant:
Inventors:
Kai Rossen, Westfield, NJ (US);
Philip J Pye, Guttenberg, NJ (US);
Ralph P Volante, Cranbury, NJ (US);
Paul J Reider, Westfield, NJ (US);
Assignee:
Merck & Co., Inc., Rahway, NJ (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ;
U.S. Cl.
CPC ...
544406 ; 560 30 ; 560137 ; 560159 ;
Abstract
An improved process using chiral hydrogenation is described for the synthesis in high yields of a 4-protected-(S)-piperazine-2-tert-butylcarboxamide, an intermediate for an HIV protease inhibitor.
Quick Actions:
Rossen, Kai. (2000). Process for preparing (U.S. Patent No. 6156895). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6156895
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