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:
Oct. 07, 1997
Filed:
Sep. 19, 1996
Applicant:
Inventors:
Wolfgang Harms, Odenthal, DE;
Udo-Winfried Hendricks, Odenthal, DE;
Karl-Josef Herd, Odenthal, DE;
Klaus Kunde, Neunkirchen, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ; C07C / ;
U.S. Cl.
CPC ...
568 32 ; 560103 ; 560112 ; 560262 ; 560264 ;
Abstract
The invention relates to a process for the preparation of compounds of the formula ##STR1## characterized in that the radical X in sulphones of the formula