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EP0136153A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Modified sheet of material and method of making and using same in connection with biochemical procedures

Assignee: Orgenics Ltd
•
Filing: 1984-09-19
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Granted: —
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Expires: 2004-09-19
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Abstract

Abstract A sheet for separating and retaining biological molecules. The sheet is activated with a compound for covalently binding a ligand to said sheet, and then coated with ligands having an affinity for the substance of interest. A method of using the sheet for isolating and separating substances of interest and methods for forming the sheet.

Inventors

  • 👤 Max Herzberg
  • 👤 Falk Fish

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-02 13:16
CPC Classifications
B; B01; B01D; B01D71/00; B01D71/06; B01D71/08; B01D71/10; B01D15/00; B01D15/08; B01D15/26; B01D15/38; B01D15/3804; B01D61/00; B01D67/00; B01D67/0081; B01D67/0093; B01J; B01J20/00; B01J20/28; B01J20/28014; B01J20/28033; G; G01; G01N; G01N33/00; G01N33/48; G01N33/50; G01N33/53; G01N33/543; G01N33/54353; B01D2311/00; B01D2311/26; B01D2311/2626

Claims Analysis

Total Claims: 42
Claim 1
Independent Claim 8 words
A sheet of material modified by cyanuric chloride.
Claim 2
Dependent Claim 8 words
A sheet of material modified by cyanuric chloride.
Claim 3
Dependent Claim 12 words
The sheet as defined by claim 1 wherein said sheet is cellulosic.
Claim 4
Dependent Claim 15 words
The sheet as defined by claim 1 wherein said sheet is made of plastic material.
Claim 5
Dependent Claim 16 words
The sheet as defined by either of claims 2 or 3 with a ligand bound thereto.
Claim 6
Dependent Claim 19 words
The sheet as defined by claim 4 wherein said ligand is covalently bound to said cyanuric chloride modified sheet.
Claim 7
Dependent Claim 30 words
The sheet as defined by claim 5 wherein said ligand is selected from the group consisting of proteins, polynucleotides, polysaccharides, glycoproteins, lipoproteins, carcinogens, or compounds having a biologically relevant receptor.
Claim 8
Dependent Claim 30 words
The sheet as defined by claim 6 wherein said compound having a biologically relevant receptor is selected from the group consisting of substances capable of affecting the central nervous system.
Claim 9
Dependent Claim 19 words
The sheet as defined by claim 7 wherein said substances capable of affecting the central nervous system are opiates.
Claim 10
Dependent Claim 21 words
The sheet as defined by claim 1 wherein said sheet comprises free hydroxy groups which are reactive with said cyanuric chloride.
Claim 11
Dependent Claim 14 words
The sheet as defined by claim 1 wherein said sheet is a filter paper.
Claim 12
Dependent Claim 14 words
The sheet as defined by claim 1 wherein said sheet is a blotter paper.
Claim 13
Independent Claim 47 words
A method of binding a substance of interest comprising the step of contacting a sheet of material modified by cyanuric chloride having a ligand of said substance of interest bound thereto with said substance of interest to affix said substance of interest onto said sheet of material.
Claim 14
Independent Claim 47 words
A method of binding a substance of interest comprising the step of contacting a sheet of material modified by cyanuric chloride having a ligand of said substance of interest bound thereto with said substance of interest to affix said substance of interest onto said sheet of material.
Claim 15
Dependent Claim 14 words
The method as defined by claim 12 wherein said sheet of material is cellulosic.
Claim 16
Dependent Claim 15 words
The method as defined by claim 12 wherein said sheet is made of plastic material.
Claim 17
Independent Claim 35 words
The method as defined by either of claims 13 or 14 wherein said ligand is selected from the group consisting of proteins, polynucleotides, polysaccharides, glycoproteins, lipoproteins, carcinogens or a compound having a biologically relevant receptor.
Claim 18
Dependent Claim 21 words
The method as defined by claim 15 wherein said ligand consists of a substance capable of affecting the central nervous system.
Claim 19
Dependent Claim 20 words
The method as defined by claim 16 wherein said ligand capable of affecting the central nervous system is an opiate.
Claim 20
Dependent Claim 21 words
The method as defined by claim 12 wherein said sheet comprises free hydroxy groups which are reactive with said cyanuric chloride.
Claim 21
Dependent Claim 14 words
The method as defined by claim 12 wherein said sheet is a filter paper.
Claim 22
Dependent Claim 14 words
The method as defined by claim 12 wherein said sheet is a blotter paper.
Claim 23
Dependent Claim 37 words
The method as defined by claim 12 further comprising contacting said sheet with said substance of interest when substance of interest said is in a gel and wherein said method comprises contacting said sheet with said gel.
Claim 24
Dependent Claim 39 words
The method as defined by claim 12 further comprising contacting said sheet with said substance of interest when said substance of interest is on a separative paper and wherein said method comprises contacting said sheet with said separative paper.
Claim 25
Independent Claim 41 words
A method of forming a modified sheet of material comprising the steps of: a) modifying said sheet of material by contacting said sheet of material with a liquid solution of cyanuric chloride; and b) permitting said sheet of material to dry.
Claim 26
Independent Claim 41 words
A method of forming a modified sheet of material comprising the steps of: a) modifying said sheet of material by contacting said sheet of material with a liquid solution of cyanuric chloride; and b) permitting said sheet of material to dry.
Claim 27
Dependent Claim 18 words
The method as defined by claim 23 further comprising binding a ligand to said sheet of step b).
Claim 28
Dependent Claim 12 words
The method as defined by claim 24 wherein said sheet is cellulosic.
Claim 29
Dependent Claim 14 words
The method as defined by claim 24 wherein said sheet is a plastic material.
Claim 30
Dependent Claim 14 words
The method as defined by claim 24 wherein said sheet is a filter paper.
Claim 31
Dependent Claim 30 words
The method as defined by claim 24 wherein said ligand is selected from the group consisting of: proteins, polynucleotides, polysaccharides, glycoproteins, lipoproteins, carcinogens, or compounds having a biologically relevant receptor.
Claim 32
Dependent Claim 30 words
The method as defined by claim 28 wherein said compounds having a biologically relevant receptor are selected from the group consisting of substances capable of affecting the central nervous system.
Claim 33
Dependent Claim 19 words
The method as defined by claim 29 wherein said substances capable of affecting the central nervous system are opiates.
Claim 34
Dependent Claim 21 words
The method as defined by claim 23 wherein said sheet comprises free hydroxy groups which are reactive with said cyanuric chloride.
Claim 35
Dependent Claim 14 words
The method as defined by claim 23 wherein said sheet is a filter paper.
Claim 36
Dependent Claim 14 words
The method as defined by claim 23 wherein said sheet is a blotter paper.
Claim 37
Dependent Claim 14 words
A sheet of material modified by a composition capable of covalently binding a ligand.
Claim 38
Dependent Claim 14 words
A sheet of material modified by a composition capable of covalently binding a ligand.
Claim 39
Independent Claim 67 words
A method of binding a substance of interest to a sheet of material comprising the steps of: a) contacting the sheet of material with a composition capable of covalently binding a ligand to said sheet; b) contacting said sheet with a ligand solution to bind said ligand thereto; c) contacting said sheet having said ligand bound thereto with said substance of interest to bind said substance thereto.
Claim 40
Independent Claim 67 words
A method of binding a substance of interest to a sheet of material comprising the steps of: a) contacting the sheet of material with a composition capable of covalently binding a ligand to said sheet; b) contacting said sheet with a ligand solution to bind said ligand thereto; c) contacting said sheet having said ligand bound thereto with said substance of interest to bind said substance thereto.
Claim 41
Independent Claim 50 words
A method of forming a modified sheet of material comprising the steps of: a) modifying said sheet of material by contacting said sheet of material with a liquid solution of a composition capable of covalently binding a ligand to said sheet; and b) permitting said sheet of material to dry.
Claim 42
Independent Claim 50 words
A method of forming a modified sheet of material comprising the steps of: a) modifying said sheet of material by contacting said sheet of material with a liquid solution of a composition capable of covalently binding a ligand to said sheet; and b) permitting said sheet of material to dry.

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