Assignee
PROGRESSIVE CHEMICAL RESEARCH
CA·2 granted patents·122 citations·filing 1988–1989
Top patents by PatentIndex Score
2 records- 0193US4948855AComfortable, oxygen permeable contact lenses and the manufacture thereofPROGRESSIVE CHEMICAL RESEARCH·Filed 1989·Granted Aug 14, 1990·88 cites·5 claims
- 0272US4861850AOphthalamic device from fluoro-silicon polymersPROGRESSIVE CHEMICAL RESEARCH·Filed 1988·Granted Aug 29, 1989·34 cites·8 claims
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