Hydrophilic coating and substrate coated therewith

Details Hydrophilic coating and substrate coated therewith Hydrophilic coating and substrate coated therewith

1987-05-22

1988-03-08

Herbert, Thomas J.

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

128132R, 351160R, 428420, 4284231, 4284242, 604 96, 604264, B32B 704, B32B 2740, B32B 3106

Patent

active

047299142

ABSTRACT:
An article having a lower coefficient of friction in the wet state is produced by applying to a substrate an adherent isocyanate coating followed by a second coating of polyvinylpyrrolidone copolymerized with a minor amount of an ethylenic monomer having active hydrogens and curing the so-coated substrate to effect reaction between the active hydrogens and isocyanate groups. The article is useful in the manufacture of medical devices for insertion in the body.

REFERENCES:
patent: 3092512 (1963-06-01), Magat
patent: 4119094 (1978-10-01), Micklus et al.
patent: 4175161 (1979-11-01), Fogle et al.
patent: 4487808 (1984-12-01), Lambert

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