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:
Feb. 06, 1996
Filed:
Jan. 31, 1994
Applicant:
Inventor:
Alexander M Saunders, San Carlos, CA (US);
Assignee:
Applied Imaging, Santa Clara, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A01N / ; B01D / ;
U.S. Cl.
CPC ...
210514 ; 210518 ; 210782 ; 210789 ; 252-1 ; 422101 ; 435-2 ;
Abstract
A density gradient medium for the isolation and enrichment of rare cells, including fetal nucleated erythrocytes from a peripheral blood sample is described. The medium comprises a colloidal density gradient medium dispersed in a meltable gel. In one aspect of the invention, the density gradient medium is hypertonic to facilitate separation of maternal red blood cells from fetal blood cells.