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:
Jul. 07, 1987
Filed:
Apr. 11, 1985
Applicant:
Inventors:
Myron C Rapkin, Cupertino, CA (US);
Ronald J Schoengold, San Jose, CA (US);
David R Shockey, San Jose, CA (US);
Pierre C Van Rysselberghe, Palo Alto, CA (US);
Assignee:
SmithKline Diagnostics, Inc., Sunnyvale, CA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N / ; G01N / ; G01N / ;
U.S. Cl.
CPC ...
436169 ; 436170 ; 436177 ; 436178 ; 422 56 ; 422 57 ; 422 58 ; 422101 ; 435 13 ; 435805 ;
Abstract
A method and device for separating blood into fluid and cellular fractions for diagnostic tests. The whole blood is introduced to a carrier containing a layer of carbohydrate which results in the rapid separation of the fluid from the cellular fractions. In a preferred embodiment, the device is fabricated in a sandwich design containing layers of carbohydrate and reagent material between two layers of plastic.