EP0154315A2
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Improved diazonium affinity matrixes
Assignee: Avantor Performance Materials LLC
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Filing: 1985-03-01
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Granted: —
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Expires: 2005-03-01
Abstract
Abstract Improved diazonium affinity matrixes are provided which are storable stable and may be stored for extended periods for future use. The improved affinity matrixes are diazonium silica gel affinity matrixes containing an amine linkage and especially the fluoborate salts thereof.
Inventors
- 👤 Hugh E. Ramsden
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-29 05:03
CPC Classifications
B; B01; B01J; B01J20/00; B01J20/281; B01J20/291; B01D; B01D15/00; B01D15/08; B01D15/26; B01D15/38; B01D15/3804; B01J20/02; B01J20/10; B01J20/103; B01J20/28; B01J20/28002; B01J20/28004; B01J20/28054; B01J20/28078; B01J20/286; B01J20/30; B01J20/32; B01J20/3202; B01J20/3204; B01J20/3231; B01J20/3242; B01J20/3244; B01J20/3246; B01J20/3257; B01J20/3261; B01D15/3809; B01J2220/00; B01J2220/50; B01J2220/54; B01J2220/58
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
13 words
An aminobenzylaminopropyl silica gel of the formula wherein Si- is a silica gel.
Claim 2
Dependent Claim
13 words
An aminobenzylaminopropyl silica gel of the formula wherein Si- is a silica gel.
Claim 3
Dependent Claim
18 words
A diazobenzylaminopropyl silica gel of the formula wherein Si- is a silica gel and X- is an anion.
Claim 4
Dependent Claim
18 words
A diazobenzylaminopropyl silica gel of the formula wherein Si- is a silica gel and X- is an anion.
Claim 5
Dependent Claim
22 words
A diazobenzylaminopropyl silica gel of claim 2 wherein (X - ) is selected from the group consisting of chloride or fluoborate radicals.
Claim 6
Dependent Claim
10 words
A diazobenzylaminopropyl silica gel of claim 3 having the formula
Claim 9
Dependent Claim
15 words
A diazobenzylaminopropyl silica gel of claim 4 which is a fluoborate salt p-diazobenzylaminopropyl silica gel.
Claim 10
Dependent Claim
16 words
A diazobenzylaminopropyl silica gel of claim 4 which is a fluoborate salt of m-diazobenzylaminopropyl silica gel.
Claim 11
Dependent Claim
55 words
.. A method of separating or purifying a substance from a solution by reacting the substance in the solution with an affinity matrix having a ligand covalently bound to the affinity matrix, - characterized-by - employing an diazobenzylaminopropyl silica gel of any of claims 2, - 3, 4,- 5 or 6 as the affinity matrix.
Claim 12
Dependent Claim
45 words
A diazobenzylaminopropyl silica gel of any of claims 2, 3, 4, 5 or 6 wherein the silica gel has an average particle diameter of from about 3 to about 70 microns and an average pore size of from about 50 to about 1000 Angstrom units.
Claim 13
Dependent Claim
44 words
A method of separating or purifying a substance from a solution by reacting the substance in the solution with an affinity matrix having a ligand covalently bound to the affinity matrix, characterized-by employing an diazobenzylaminopropyl silica gel of claim 8 as the affinity matrix.
References Cited (Backward Citations)
No citation records indexed.
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