Process for treatment of hydrogel lens with thiols

Details Process for treatment of hydrogel lens with thiols Process for treatment of hydrogel lens with thiols

1980-09-05

1982-07-06

Henderson, C. A.

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

Synthetic resins

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

351160H, 525329, 525337, C08F 834, G02C 704

Patent

active

043384196

ABSTRACT:
The invention provides a method of treating hydrogels formed from the polymerization of monomers having reactive olefinic double bonds by contacting them with reactive thiol compounds. In a preferred embodiment where the hydrogel structure includes a cis-glycol containing unit, a suitable thiol is used in conjunction with a borate buffer. The present invention also provides materials that are treated with the above thiol compounds.

REFERENCES:
patent: 2517127 (1950-08-01), Meitzner
patent: 2992210 (1961-07-01), Gluckman
patent: 3282903 (1966-11-01), Tocker
patent: 3284420 (1966-11-01), Tocker
patent: 4056496 (1977-11-01), Mancini
patent: 4115297 (1978-09-01), Bolto
patent: 4128318 (1978-12-01), Sieglaff

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