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. 20, 1981
Filed:
Aug. 02, 1979
Applicant:
Inventors:
Dieter Berger, Viernheim, DE;
Franz Braun, Rimbach, DE;
Gunter Frey, Ludwigshafen, DE;
Werner Guthlein, Mannheim-Neckarau, DE;
Manfred Kuhr, Mannheim, DE;
Assignee:
Boehringer Mannheim GmbH, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12Q / ;
U.S. Cl.
CPC ...
435 29 ; 260152 ; 260154 ; 260155 ; 260157 ;
Abstract
Novel diagnostic composition for the detection of leukocytes in body fluids, comprising an absorbent carrier impregnated with a buffer substance and a chromgen, wherein the chromogen is an azo dyestuff ester of the formula
Berger, Dieter. (1981). Diagnostic composition for the detection of leukocytes and chromogens (U.S. Patent No. 4296202). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4296202
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile