Surgical implants formed of polyurethane diacrylate compositions

Details Surgical implants formed of polyurethane diacrylate compositions Surgical implants formed of polyurethane diacrylate compositions

1982-09-01

1984-01-03

Cockeram, H. S.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

454 78, 454167, 521905, 525454, 525455, 528 75, 528904, C08F 830, C08G 1810, C08G 1814, A61K 3174

Patent

active

044243057

ABSTRACT:
Surgical implants, intrauterine devices and the like formed of polyurethane diacrylate compositions obtained by reacting a diacrylate in the presence of from about 65 to about 95 weight percent of a hydrophilic polyurethane resin. The compositions will form a hydrogel upon immersion in water and are permeable to gases, ions and other low molecular weight species. The hydrophilic polyurethane diacrylate compositions may be molded to form shaped products that are dimensionally stable after repeated exposure to boiling water and exhibit memory. The shaped products contain distributed therein a desired medicament.

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patent: 4156067 (1979-05-01), Gould
patent: 4250248 (1981-02-01), Faust
patent: 4255550 (1981-03-01), Gould

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