Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Patent
1984-11-08
1985-10-15
Michl, Paul R.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
524258, 523108, 351160R, 351160H, C08F 2602
Patent
active
045475431
ABSTRACT:
A water-absorptive contact lens made of a copolymer consisting essentially of:
Kako Hiroyuki
Shibata Takanori
Yamanaka Masashige
Michl Paul R.
Toyo Contact Lens Co., Ltd.
Walker Alex H.
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