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EP0155637A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Separation agent

Assignee: Daicel Corp
•
Filing: 1985-03-13
•
Granted: —
•
Expires: 2005-03-13
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Abstract

Abstract A separation agent for the resolution of optical isomers or analogous compounds which comprise silica gel and an optically active polymer having an asymmetric carbon atom in the main chain or the molecular dissymmetry of the main chain, said silica gel and said polymer being chemically bonded with each other.

Inventors

  • 👤 Yoshio Okamoto
  • 👤 Kiochi Hatada

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-02 18:46
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/62; C08G18/6216; C08G18/622; C08G18/6225; B; B01; B01J; B01J20/00; B01J20/02; B01J20/10; B01J20/103; B01J20/28; B01J20/28002; B01J20/28004; B01J20/28054; B01J20/28078; B01J20/281; B01J20/286; B01J20/289; B01J20/29; B01J20/30; B01J20/32; B01J20/3202; B01J20/3204; B01J20/3214; B01J20/3217; B01J20/3219; B01J20/3231; B01J20/3242; B01J20/3244; B01J20/3246; B01J20/3257; B01J20/3259; B01J20/3261; B01J20/3263; B01J20/3268; B01J20/327; B01J20/3272; B01J20/3274; B01J20/3276; C08G18/6266; C08G85/00; C08G85/004; B01J2220/00; B01J2220/50; B01J2220/54; B01J2220/58

Claims Analysis

Total Claims: 6
Claim 1
Independent Claim 41 words
-1-A separation agent which comprises silica gel and an optically active polymer having an asymmetric carbon atom in the main chain or the molecular dissymmetry of the main chain, said silica gel and said polymer being chemically bonded with each other.
Claim 2
Dependent Claim 20 words
-2-A separation agent as claimed in Claim 1, in which the polymer is an optically active, synthetic, highly molecular compound.
Claim 3
Dependent Claim 19 words
-3-A separation agent as claimed in Claim 1, in which the polymer is a polysaccharide or a derivative thereof.
Claim 4
Dependent Claim 19 words
-4-A separation agent as claimed in Claim 1, in which the polymer is a natural or synthetic polyamino acid.
Claim 5
Dependent Claim 21 words
-5-A separation agent as claimed in Claim 2, in which the polymer has an asymmetric carbon atom in the main chain.
Claim 6
Dependent Claim 20 words
-6-A separation agent as claimed in Claim 2, in which the polymer has the molecular dissymmetry of the main chain.

References Cited (Backward Citations)

JPS5736909A Cited
JPS58176473A Cited

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