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. 08, 2007
Filed:
Aug. 03, 2005
Applicants:
Joachim Rudolph, Guilford, CT (US);
Ralf Wischnat, Köln, DE;
Inventors:
Joachim Rudolph, Guilford, CT (US);
Ralf Wischnat, Köln, DE;
Assignee:
LANXESS Deutschland GmbH, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 277/32 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to new bromo- and chlorothiazolium salts of the formula (I) in whichR, R, R, R, n and Xhave the meaning indicated in the disclosure, a process for their preparation, their use as condensation reagents, particularly as peptide coupling reagents, and intermediates for the preparation of these compounds.