Hydrogels and articles made therefrom

Details Hydrogels and articles made therefrom Hydrogels and articles made therefrom

1976-05-13

1977-11-01

Wong, Jr., Harry

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

128130, 264 1, 260 25R, 351160, 424 81, 526230, 526273, 526320, C08F22014, G02C 704

Patent

active

040564967

ABSTRACT:
This invention relates to polymers and hydrogels of polymers formed from a hydrophilic monomer of the group of dihydroxyalkyl acrylates and methacrylates, a substantially water insoluble monomer from the group of alkyl acrylates and methacrylates and preferably a minor amount of a water insoluble epoxidized alkyl acrylate or methacrylate. The hydrogels are preferably used for the formation of contact lenses, but may also be used for drug and pesticides delivery devices: dialysis, ultrafiltration and reverse osmosis membranes; implants in surgery and dentistry, and the like.

REFERENCES:
patent: 2976576 (1961-03-01), Wichterle et al.
patent: 3220960 (1965-11-01), Wichterle
patent: 3957362 (1976-05-01), Mancini et al.
Yasuda et al., Die Makromolekulare Chemie 118 (1968) pp. 19 & 22-24.
Yasuda et al., J. Pol. Sci., Part A-2, vol. 9 (1971) pp. 1117 & 1122-1124.

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