Polyurethanes for articles for medical usage

Details Polyurethanes for articles for medical usage Polyurethanes for articles for medical usage

1976-09-16

1977-09-06

Woodberry, Edward M.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

424183, C08L 510

Patent

active

040467252

ABSTRACT:
A polyurethane is disclosed which can be used in particular for the production of articles intended to be in contact with blood, characterized in containing a macromolecular chain comprising nitrogen atoms in the form of quaternary ammonium groups, to which molecules of heparin are bonded, these nitrogen atoms originating from polymers consisting of q recurring units of the formula:

REFERENCES:
patent: 3294752 (1966-12-01), Wilkinson
patent: 3388087 (1968-06-01), Dieterich et al.
patent: 3655814 (1972-04-01), Rembaum
patent: 3755218 (1973-08-01), Yen et al.
patent: 3766104 (1973-10-01), Bonin et al.
patent: 3844989 (1974-10-01), Harumiya et al.
patent: 3846353 (1974-11-01), Grotta
patent: 3853804 (1974-12-01), Yen et al.

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