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POLYVALENT CARBOXYLIC ACID ESTER, PROCESS FOR PRODUCING THE CARBOXYLIC ACID ESTER, PLASTIC LENS COMPOSITION USING THE CARBOXYLIC ESTER, PLASTIC LENS OBTAINED BY CURING THE COMPOSITION AND PROCESS FOR PRODUCING THE PLASTIC LENS

US Patent 6846900 · Granted Jan 25, 2005

Estimated economic value: $273,000

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