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:
Aug. 27, 1991
Filed:
Nov. 24, 1987
Applicant:
Inventors:
Assignees:
Rikagaku Kenkyusho, both of, JP;
Shinko-Pfaudler Company Ltd., both of, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12M / ;
U.S. Cl.
CPC ...
435286 ; 435284 ; 435289 ; 435311 ; 435313 ; 422103 ; 422140 ; 210150 ;
Abstract
Cell culture apparatus comprises a fluidized bed culture tank body in which cell attached porous material is fluidized by air flow, and a pre-culture tank for supplying medium to the fluidized bed culture tank body according to the amount of the liquid medium which is taken out of the fluidized bed culture tank body. By the use of a drain valve which can be controlled to remove liquid medium and porous material or just liquid medium, the cell culture apparatus can continuously produce metabolite.