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:
Dec. 22, 1992
Filed:
Dec. 12, 1989
Applicant:
Inventors:
Hideaki Kiniwa, Yokohama, JP;
Hirohisa Kubota, Yokohama, JP;
Assignee:
Mitsubishi Kasei Corporation, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12N / ; C12N / ;
U.S. Cl.
CPC ...
435240243 ; 43524023 ; 43524024 ; 435180 ;
Abstract
This invention relates to cell culture carriers consisting of a porous support, at least a part of which surface being coated with a water-insoluble polymer constituted by (meth)acrylic acid ester and/or (meth)acrylamides and a cross-linking agent, and having a positively chargeable chemical moiety on the polymer surface. The present carriers have enabled the high-density cell culture in any type of the culture methods.