Coatings with cross-linked hydrophilic polymers
First Claim
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1. A capillary having immobilized on an inner surface thereof a layer comprising a hydrophilic polymer cross-linked with an aldehyde or ketone produced by the process comprising immobilizing a dissolved hydroxylic polymer on the capillary or tube inner surface by chemical cross-linking of the polymer with a cross-linking reagent without covalent bonding of the polymer to the capillary or tube inner surface.
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Abstract
The present invention relates to a process for permanently coating the inner surface of columns, capillaries and microchannel systems with hydroxylic polymers, such as polyvinyl alcohol, and to the thus prepared columns, capillaries and microchannel systems and their use.
66 Citations
2 Claims
- 1. A capillary having immobilized on an inner surface thereof a layer comprising a hydrophilic polymer cross-linked with an aldehyde or ketone produced by the process comprising immobilizing a dissolved hydroxylic polymer on the capillary or tube inner surface by chemical cross-linking of the polymer with a cross-linking reagent without covalent bonding of the polymer to the capillary or tube inner surface.
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Current AssigneeAgilent Technologies, Inc.
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Original AssigneeStudiengesellschaft Kohle MBH
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InventorsHusmann, Heribert, Belder, Detlev
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Primary Examiner(s)Warden, Jill
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Assistant Examiner(s)Siefke, Samuel P.
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Application NumberUS09/634,770Time in Patent Office1,077 DaysField of Search204/451, 204/479, 204/480, 422/56, 422/100US Class Current204/601CPC Class CodesG01N 27/44752 Controlling the zeta potent...
