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EP0420171A1 Expired / Lapsed EP ⏱️ 0.0 years remaining

Carrier for culturing animal cells and a process for preparing it

Assignee: Kirin Brewery Co Ltd
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Filing: 1990-09-26
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Granted: —
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Expires: 2010-09-26
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Abstract

Abstract A carrier for culturing animal cells comprises a ground matrix having a three-dimensional network structure and a fibrous protein for coating the surface of the ground matrix. The cells can adhere to the interior of the carrier, and thus the carrier enables cell culture in high concentrations.

Inventors

  • 👤 Masafumi C/O Kirin Beer Kabushiki Kaisha Ogata
  • 👤 Hideki C/O Kirin Beer Kabushiki Kaisha Matsukura

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-10-24 00:56
CPC Classifications
C; C12; C12N; C12N5/00; C12N5/0068; C12N2533/00; C12N2533/50; C12N2533/54; C12N2533/70; C12N2533/78

Claims Analysis

Total Claims: 10
Claim 1
Independent Claim 27 words
A carrier for culturing animal cells comprising a ground matrix having a three-dimensional network structure and a fibrous protein for coating the surface of said ground matrix.
Claim 2
Dependent Claim 27 words
A carrier for culturing animal cells comprising a ground matrix having a three-dimensional network structure and a fibrous protein for coating the surface of said ground matrix.
Claim 3
Dependent Claim 34 words
A carrier for culturing animal cells according to claim 1, wherein said ground matrix comprises a foam having a void of at least 80% and an average pore size of 0.05 to 2.0 mm.
Claim 4
Dependent Claim 21 words
A carrier for culturing animal cells according to claim 1, wherein said ground matrix comprises a foam of a natural polymer.
Claim 5
Dependent Claim 18 words
A carrier for culturing animal cells according to claim 3, wherein said ground matrix comprises a cellulose foam.
Claim 6
Dependent Claim 47 words
A carrier for culturing animal cells according to claim 4, wherein said ground matrix has a particle diameter of 1.0 to 5.0 mm, a void of at least 97%, an average pore size of 0.5 to 2.0 mm and a specific gravity of 1.4 to 1.7 g/cm³.
Claim 7
Dependent Claim 23 words
A carrier for culturing animal cells according to claim 1, wherein said fibrous protein is a protein which is insolubilized by crosslinking treatment.
Claim 8
Dependent Claim 18 words
A carrier for culturing animal cells accoring to claim 6, wherein said fibrous protein comprises collagen or gelatin.
Claim 9
Dependent Claim 35 words
A process for preparing a carrier for culturing animal cells comprising a steps of providing a ground matrix having a three-dimensional network structure and coating the surface of said ground matrix with a fibrous protein.
Claim 10
Dependent Claim 35 words
A process for preparing a carrier for culturing animal cells comprising a steps of providing a ground matrix having a three-dimensional network structure and coating the surface of said ground matrix with a fibrous protein.

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