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. 09, 1990
Filed:
Feb. 20, 1990
Applicant:
Inventors:
Holger Heidenreich, Cologne, DE;
Klaus Wehling, Wuppertal, DE;
Assignee:
Miles Inc., Elkhart, IN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12Q / ; C07C / ;
U.S. Cl.
CPC ...
435-4 ; 435187 ; 435195 ; 435183 ; 544159 ; 544383 ; 546236 ; 548379 ; 548579 ; 558390 ; 562430 ; 564 83 ;
Abstract
Indicators for the detection of thio groups are disclosed together with processes for the preparation of such indicators. The indicators of the invention contain compounds having the following general formula ##STR1##