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. 30, 1996
Filed:
Apr. 26, 1994
Applicant:
Inventors:
Georgiann B Melink, St. Paul, MN (US);
Raji A Shankar, New Brighton, MN (US);
Assignee:
Endotronics, Inc., Coon Rapids, MN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12N / ;
U.S. Cl.
CPC ...
435240242 ; 4352402 ; 43524023 ; 435240241 ;
Abstract
A method for culturing leukocytes includes the culturing of leukocytes in a hollow fiber cartridge perfusion system for at least four days to achieve a harvest yield of at least 100% of leukocytes, the leukocytes having a lytic activity at least equal to that of cells grown in a static culturing system.