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:
Sep. 10, 1999
Applicant:
Inventors:
Assignee:
Rohm Gesellschaft, GmbH, Dartmstadt, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
548546 ; 562556 ; 562559 ;
Abstract
The invention is directed to a process for the preparation of lactams of Formula I. It is further directed to new advantageous intermediates of Formula II and the use thereof. By the cyclization of compounds of Formula II, compounds of Formula I are obtained.
Drauz, Karlheinz. (2000). Procedure for the manufacture of 3-amino-2-oxo-pyrrolidines, new (U.S. Patent No. 6156908). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6156908
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile