Patent · US Expired

Plastics material having an improved blood tolerance

US4178329A · kind A · utility

4Cited by

11References

7Claims

0Family size

Assignee

Hoechst GmbH · DE

Inventors

Udo Becker · Heiligkreuzsteinach, DE
Karlheinz Burg
Johann Fischer · Königstein, DE
Norbert Heimburger

Key dates

Filing date	May 5, 1978
Grant date	Dec 11, 1979
Priority date	—
Expiry date	May 5, 1998

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08F8/12
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

What is disclosed is a plastics material adaptable to biomedical uses, the surface of which material at least partially consists of a graft copolymer having a hydrocarbon main chain and side chains grafted thereon, said side chains being polymers comprising at least one vinyl monomer selected from the group consisting of acrylic acid esters of the formula EQU CF.sub.3 --(CF.sub.2).sub.x --(CH.sub.2).sub.y --O--CO--CH.dbd.CH.sub.2, where x is an integer from 3 to 16 and y is an integer from 1 to 12, vinylene carbonate, N-vinyl alkylamides of the formula ##STR1## wherein R.sup.1 and R.sup.2 are the same or different and each is hydrogen or alkyl having 1 to 6 carbon atoms.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.