Mixtures of polymers for medical use

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...

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424 78, 521113, 521128, 524105, 525123, 525128, 525129, C08J 914

Patent

active

043944620

ABSTRACT:
A process for preparing polymers compositions of a mixture of vinyl chloride polymer and polyurethane with tertiary amine and/or ammonium groups.

REFERENCES:
patent: 3655553 (1972-04-01), DeWald
patent: 3655814 (1972-04-01), Rembaum
patent: 3755218 (1973-08-01), Yen et al.
patent: 3853804 (1974-12-01), Yen et al.
patent: 3966521 (1976-06-01), Patton, Jr. et al.

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