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. 31, 1993
Filed:
Mar. 27, 1992
Applicant:
Inventors:
Assignee:
Ciba-Geigy Corporation, Ardsley, NY (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
562 42 ; 562 48 ; 562 52 ;
Abstract
There is disclosed a water-soluble, asymmetrical oxalic acid diarylamide of general formula ##STR1## wherein the substituents R.sub.1 are each independently of the other unsubstituted or hydroxy- or alkoxy-substituted C.sub.1 -C.sub.5 alkyl, unsubstituted or C.sub.1 -C.sub.5 alkyl-substituted benzyl,