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:
Jun. 13, 1995
Filed:
Jan. 21, 1993
Applicant:
Inventors:
Michael P Allen, Sunnyvale, CA (US);
Robert B Shibuya, Los Altos, CA (US);
Assignee:
Chemtrack, Inc., Sunnyvale, CA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
210650 ; 210488 ; 210489 ; 210490 ; 210505 ; 210508 ; 210645 ; 210651 ; 210767 ; 210800 ; 210806 ; 422101 ; 436177 ; 436178 ;
Abstract
Devices are provided for producing plasma or serum from blood samples, where the plasma or serum is substantially free of red blood cells, hemoglobin, and metabolites and degradation products thereof. The sample can be used in various assays without interference from the interfering components of red blood cells.