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. 29, 1993
Filed:
Sep. 22, 1989
Applicant:
Inventor:
Sam Rose, San Francisco, CA (US);
Assignee:
Baxter International Inc., Deerfield, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12N / ; C12P / ;
U.S. Cl.
CPC ...
435240242 ; 435 701 ;
Abstract
Cells producing a desired product or products, such as antibodies, are cultured with a culture medium comprising lymph. The lymph is continuously flowed across a semi-permeable membrane, on the other side of which are the cells to be cultured. The membrane is sized so as to retain cells, and their desired products, on one side of the membrane while permitting components of the lymph-containing culture medium (flowing across the other side of the membrane) to pass through the membrane to provide nutrition, etc. to the culturing cells.