Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1993-08-24
1995-05-16
Michl, Paul R.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
526279, 526301, 5263073, 528 32, 528 28, 528 25, 351160H, C08F23008, C08F27100, C07F 708, C07F 710
Patent
active
054161320
ABSTRACT:
An ocular lens material made of a copolymer consisting essentially of (A) a polysiloxane macromonomer having polymerizable groups bonded by one or more urethane bonds to the siloxane main chain and (B) an alkyl (meth)acrylamide, wherein the weight ratio of the polysiloxane macromonomer to the alkyl (meth)acrylamide ranges from 10:90 to 90:10.
REFERENCES:
patent: 4594401 (1986-06-01), Takahashi et al.
patent: 4954586 (1990-09-01), Toyoshima et al.
patent: 5177165 (1993-01-01), Valint, Jr. et al.
Ando Ichiro
Ichinohe Shoji
Ito Eri
Iwata Noriko
Yamazaki Toshio
Menicon Co. Ltd.
Merriam Andrew E.
Michl Paul R.
Shin-Etsu Chemical Co. , Ltd.
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