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:
Jun. 15, 1999
Filed:
May. 25, 1995
Applicant:
Inventor:
Gunter Schlegel, Liederbach, DE;
Assignee:
Hoechst Aktiengesellschaft, Frankfurt, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
558 29 ; 558 41 ; 558 48 ; 558 53 ;
Abstract
Processes for preparing sulfonylureas Compounds of the formula I or salts thereof, ##STR1## in which X is oxygen, --O--NR.sup.2 -- or --SO.sub.2 --NR.sup.2 --, and Y is N or CH,