Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
Inventor
active
Contact lens and process for preparing the same
High water-absorptive soft contact lens
Highly water-absorptive ocular lens material
Highly water-absorptive optical material
Ocular lens material
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Profile ID: LFUS-PAI-P-87191