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:
May. 20, 2003
Filed:
Jul. 06, 2001
Applicant:
Inventors:
Hubert Barth, Emmendingen, DE;
Klaus Steiner, Emmendingen, DE;
Simon Schneider, Merzhausen, DE;
Ulrich Bayer, Ulm, DE;
Manfred Westermayer, Gundelfingen, DE;
Ulrike Wolfsperger, Gundelfingen, DE;
Hans-Jürgen Betche, Vörstetten, DE;
Assignee:
Warner-Lambert Company LLC, Morris Plains, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
C07D / ;
Abstract
The invention relates to a method of producing heterocyclic carbamates of the general formula (I) by reacting aza-heterocyclic compounds with alkyl- or aryl-halides in the presence of carbon dioxide and alkali carbonate, and to new compounds of the general formula (I).