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EP0063947A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Filler for liquid chromatography

Assignee: Sekisui Chemical Co Ltd
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Filing: 1982-04-26
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Granted: —
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Expires: 2002-04-26
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Abstract

Abstract A filler for liquid chromatography consists essentially of a hydrophilic ion-exchanger obtained by copolymerizing a mixture of (A) 5 to 90% by weight of a polymerizable monomer containing one polymerizable double bond and at least one carboxyl group per molecule and having a hydrophobic parameter of not more than 2.3, (B) 10 to 95% by weight of a cross- linkable polymerizable monomer containing at least two polymerizable double bonds per molecule and having a hydrophobic parameter of not more than 2.3, and (C) 0 to 85% by weight of a monomer different from the monomer (A), containing one polymerizable double bond per molecule and having a hydrophobic parameter of not more than 2.3; and a method for separating a biological material such as proteins, enzymes and amino acids by liquid chromatography using the aforesaid filler.

Inventors

  • 👤 Minoru Kohara
  • 👤 Mituo Nagata
  • 👤 Fumio Kamiyama
  • 👤 Yasuhiko Araki

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-02 03:04
CPC Classifications
B; B01; B01D; B01D15/00; B01D15/08; B01J; B01J20/00; B01J20/22; B01J20/26; B01J39/00; B01J39/08; B01J39/16; B01J39/18; B01J39/20; B01J39/26

Claims Analysis

Total Claims: 9
Claim 1
Independent Claim 114 words
A filler for liquid chromatography, said filler consisting essentially of a hydrophilic ion-exchanger obtained by copolymerizing a mixture of (A) 5 to 90% by weight of a polymerizable monomer containing one polymerizable double bond and at least one carboxyl group per molecule and having a hydrophobic parameter of not more than 2.3, (B) 10 to 95% by weight of a crosslinkable polymerizable monomer containing at least two polymerizable double bonds per molecule and having a hydrophobic parameter of not more than 2.3, and (C) 0 to 85% by weight of a monomer different from the monomer (A), containing one polymerizable double bond per molecule and having a hydrophobic parameter of not more than 2.3.
Claim 2
Dependent Claim 114 words
A filler for liquid chromatography, said filler consisting essentially of a hydrophilic ion-exchanger obtained by copolymerizing a mixture of (A) 5 to 90% by weight of a polymerizable monomer containing one polymerizable double bond and at least one carboxyl group per molecule and having a hydrophobic parameter of not more than 2.3, (B) 10 to 95% by weight of a crosslinkable polymerizable monomer containing at least two polymerizable double bonds per molecule and having a hydrophobic parameter of not more than 2.3, and (C) 0 to 85% by weight of a monomer different from the monomer (A), containing one polymerizable double bond per molecule and having a hydrophobic parameter of not more than 2.3.
Claim 3
Dependent Claim 24 words
A filler according to claim 1 wherein each of the monomers (A), (B) and (C) has a hydrophobic parameter of not more than 0.
Claim 4
Dependent Claim 24 words
A filler according to claim 1 or 2 wherein the monomer (A) is selected from acrylic acid, methacrylic acid, crotonic acid and maleic acid.
Claim 5
Dependent Claim 37 words
A filler according to claim 1, 2 or 3 wherein the monomer (B) is selected from polyalkylene glycol diacrylates and dimethacrylates, tetramethylolmethane di-, tri- and tetraacrylates and -methacrylates, trimethylolethane triacrylates and trimethacrylates, and dipentaerythritol hexaacrylate and hexamethacrylate.
Claim 6
Dependent Claim 30 words
A filler according to any one of the preceding claims wherein the monomer (C) is selected from N,N - dimethylacrylamide, N,N-dimethylmethacrylamide, 2-hydroxyethyl acrylate, 2-hydroxyethyl methacrylate, glycidyl acrylate and glycidyl methacrylate.
Claim 7
Independent Claim 26 words
A method for separating a biological material which comprises subjecting it to liquid chromatography using a filler as claimed in any one of the preceding claims.
Claim 8
Dependent Claim 18 words
A method according to claim 6 wherein the biological material is selected from proteins, enzymes and amino acids.
Claim 9
Dependent Claim 16 words
A method according to claim 6 or 7 wherein the biological material is a hemoglobin variant.

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