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:
Dec. 26, 1989
Filed:
Sep. 12, 1988
Applicant:
Inventors:
Adrian Waldner, Allschwil, CH;
Willy Meyer, Riehen, CH;
Assignee:
Ciba-Geigy Corporation, Ardsley, NY (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
546114 ; 544127 ;
Abstract
Compounds of formula I ##STR1## in which R is H, or an aliphatic or aromatic radical, R.sup.1 is alkyl, R.sup.2 is alkyl, alkoxy, aryl, aryloxy, aralkyl, alkaryl, aralkyloxy, alkaryloxy, alkaralkyl or alkaralkyloxy, and one of R.sup.1 and R.sup.2 is H and the other has the meaning given above. These compounds are intermediates for the preparation of herbicidal sulfonylureas.