Gas-permeable materials and medical devices

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...

Reexamination Certificate

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C525S477000, C525S275000

Reexamination Certificate

active

07576159

ABSTRACT:
Gas-permeable polymeric materials comprise poly(disubstituted acetylene) and a siloxanyl-based polymer. Medical devices, such as ophthalmic devices, are manufactured from such gas-permeable materials.

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