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:
Apr. 28, 1987
Filed:
Jan. 16, 1986
Applicant:
Inventor:
Peter J Hubbard, Darien, CT (US);
Assignee:
Dorr-Oliver Incorporated, Stamford, CT (US);
Primary Examiner:
Int. Cl.
CPC ...
C12N / ; C12M / ;
U.S. Cl.
CPC ...
435240 ; 435285 ; 435310 ;
Abstract
The present invention provides a novel apparatus for culturing mammalian cells, whereby a plastic housing encasing a double membrane bag or bags supplies nutrients and oxygen to mammalian cells for propagation thereof. The double membrane bag contains a first bag formed of a microfiltration or ultrafiltration membrane disposed within a second membrane bag formed of a liquid impermeable, gas permeable membrane. This apparatus has a first chamber containing oxygen, a second chamber containing cells and a third chamber containing nutrients.