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:
Aug. 14, 2001
Filed:
Mar. 30, 2000
Applicant:
Inventors:
Claudia Katharina Puetz, Dueren, DE;
Wolfgang Werner Alfred Strassburger, Wuerselen, DE;
Oswald Zimmer, Wuerselen, DE;
Werner Guenter Englberger, Stolberg, DE;
Assignee:
Gruenenthal GmbH, Aachen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
C07C / ; C07D / ; C07D / ;
Abstract
This invention relates to intermediates in the preparation of acridin derivatives of general formula