Inventor · disambiguated record
Felix Viro
Also filed as: VIRO FELIX
4 granted patents·24 citations·filing 1974–1975
73Inventor score
Technology areasG03C
Files withGAF CORP4
Top patents by PatentIndex Score
4 records- 0159US4252894AHydrophilic color coupler composition containing diepoxideGAF CORP·Filed 1975·Granted Feb 24, 1981·7 cites·2 claims
- 0246US4036643ADiffusion transfer color process using lactone or sultone ring containing lipophilic non-diffusing color formers which yield diffusing dyesGAF CORP·Filed 1974·Granted Jul 19, 1977·8 cites·14 claims
- 0340US4066457AColor developer for diffusion transferGAF CORP·Filed 1974·Granted Jan 3, 1978·6 cites·19 claims
- 0433US3989529AHydrophilic coupler solutionsGAF CORP·Filed 1974·Granted Nov 2, 1976·3 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →