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:
Sep. 08, 1992
Filed:
Apr. 01, 1991
Applicant:
Inventors:
Thomas L Tarnowski, South San Francisco, CA (US);
Mae W Hu, Los Altos Hills, CA (US);
Maureen Laney, Palo Alto, CA (US);
John S Pease, Los Altos, CA (US);
Vartan Ghazarossian, Menlo Park, CA (US);
Assignee:
Syntex (U.S.A.) Inc., Palo Alto, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01N / ; C12N / ;
U.S. Cl.
CPC ...
435-725 ; 4352402 ; 436519 ; 436520 ; 436800 ;
Abstract
The present invention describes a class of dyes for use in staining cell samples and methods of making such dyes. A preferred class of dyes known as detergent dyes which possess the ability to stain cells in whole blood and are only slowly leached or lost from the stained cells over time are described. The present invention has application, for example, to blood typing for the determination of the presence of blood group antigens A, B, AB, O, and D (Rh.sub.o) and antibodies to such antigens.