Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1994-04-28
1995-09-26
Jagannathan, Vasu S.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
427 224, 525245, 525276, 525322, 525422, 525426, 525455, 525535, 525540, C08F 452, C08F25502, C08F25908, C08F28304
Patent
active
054534674
ABSTRACT:
A graft polymer obtainable by grafting a polymer substrate with a compound of formula (I), in which the groups R are the same or different and each is a straight or branched C.sub.1 -C.sub.4 alkyl group; X is an aryl group or a straight or branched C.sub.1 -C.sub.20 alkylene group, optionally containing one or more carbon-carbon double or triple bonds, ether linkages or aryl groups; the aryl groups being unsubstituted or substituted by one or more C.sub.1-4 alkyl groups; n is from 2 to 4; and A is a reactive group, is useful as a biocompatible material in contact lenses, biomedical devices and blood-containing devices. In a preferred embodiment A is a polymerizable group and the graft polymer is produced by radical initiated polymerization of the compound of formula (I) on the substrate which is initiated by a radical-forming group on the substrate.
REFERENCES:
patent: 4792599 (1988-12-01), Durrani
Park, Soo Min, "Studies on biocompatible membranes", Han'guk Somyu Konghakhoechi, vol. 29, No. 10 (1992), pp. 726-731.
Sakurai et al., "Structure of the condensed phase of methacrylic copolymers with lipidic side chains", Macromolecules, vol. 25 (1992), p. 7256.
Biomaterials (1991), vol. 12, Mar., Interaction Between Phospholipids and Biocompatible Polymers Containing a Phosphorylcholine Moiety.
Bioindustry 8(6), 412-420 (1991) by Nakabayashi and a prepared English translation of the same.
Al-Lamee Kadem G.
Bamford Clement H.
Glasbey Trevor O.
Wiles Martin C.
Yianni Yiannakis
Biocompatibles Limited
Jagannathan Vasu S.
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