Hydrophilic modifier monomers

Details Hydrophilic modifier monomers Hydrophilic modifier monomers

1991-06-10

1992-11-10

Richter, Johann

Organic compounds -- part of the class 532-570 series

Organic compounds

Nitrogen attached directly or indirectly to the purine ring...

544311, 544312, 544384, C07D23902, C07D24104

Patent

active

051625300

ABSTRACT:
Hydrophilic modifier monomers of the formula [X-T].sub.z' H' are disclosed wherein X is a reactive group, H' is a hydrophilic group and T is a divalent linking group, z' being a number up to the available valence of H', excess H' valences being taken up by hydrogen. The monomers of the invention can be used to boost the hydrophilic nature of a wide variety of polymeric materials or be polymerized themselves with varying degrees of copolymerizable monomers. They are particularly suited for making hydrophilic contact lens materials.

REFERENCES:
patent: 3903110 (1975-09-01), Freyermuth et al.
patent: 4740533 (1988-04-01), Su et al.
patent: 4780488 (1988-10-01), Su et al.
Trade Bulletin of Rohm Tech. Inc. (1989).
Trade Bulletin of Sartomer Co. (1989).
Trade Bulletin of Alcolac (1989).

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