Macromolecular materials suitable for forming antithrombogenic p

Details Macromolecular materials suitable for forming antithrombogenic p Macromolecular materials suitable for forming antithrombogenic p

1977-03-17

1978-06-06

Lieberman, Paul

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260857UN, 260857TW, 260857PE, 260857G, C08L 7700, C08L 7500

Patent

active

040936775

ABSTRACT:
Novel block copolymers suitable to manufacture permanently antithrombogenic prosthetic devices are obtained by first preparing a polyamide-amine prepolymer ##STR1## WHEREIN R.sub.1 and R.sub.2 are alkyl or hydroxy-alkyl radicals with 1-6 carbon atoms, R.sub.3 and R.sub.4 are alkyl radicals with 1-6 carbon atoms, R.sub.5 is an alkenyl radical with 1-12 carbon atoms, or together with R.sub.1, R.sub.2 and R.sub.3, R.sub.4 respectively and the nitrogen atoms to which it is linked, it forms an unsubstituted or substituted piperazine ring and then polymerizing at least one monomer suitable to form thermoplastic addition or condensation polymers in the presence of the polyamide-amine prepolymer.

REFERENCES:
patent: 3668278 (1972-06-01), Bonvicini
patent: 3766138 (1973-10-01), Crivello
patent: 3773739 (1973-11-01), Bonvicini
patent: 3865723 (1975-02-01), Antonietta

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