Inventor · disambiguated record
Nicholas Mario Da Costa
Also filed as: DA COSTA NICHOLAS M · DA COSTA NICHOLAS MARIO
4 granted patents·160 citations·filing 1975–1989
80Inventor score
Top patents by PatentIndex Score
4 records- 0190US4981487AColored hydrogel objects and their production-containing a water-insoluble opaquing agentIGEL INT LTD·Filed 1989·Granted Jan 1, 1991·85 cites·10 claims
- 0276US4036814ALightly cross-linked hydrogel formed from N-vinyl lactam and hydrophobic acrylic ester comonomerWARNER LAMBERT CO·Filed 1975·Granted Jul 19, 1977·33 cites·29 claims
- 0367US4022754ANovel copolymer having utility as contact lensWARNER LAMBERT CO·Filed 1975·Granted May 10, 1977·24 cites·23 claims
- 0430US4361689ACross-linked hydrophilic polymersPATEL PRAVIN G·Filed 1980·Granted Nov 30, 1982·18 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →