Inventor · disambiguated record
Walter Beltramini
Also filed as: BELTRAMINI WALTER
3 granted patents·25 citations·filing 1987–1992
68Inventor score
Files withMINNESOTA MINING & MFG3
Top patents by PatentIndex Score
3 records- 0172US4777122ASilver halide multilayer color photographic material containing couplers having different coupling ratesMINNESOTA MINING & MFG·Filed 1987·Granted Oct 11, 1988·15 cites·20 claims
- 0256US5212056ASilver halide multilayer color photographic element comprising a disulfide supersensitizerMINNESOTA MINING & MFG·Filed 1992·Granted May 18, 1993·5 cites·11 claims
- 0353US4780400ASilver halide emulsion containing a 2-unsubstituted N-alkenyl-thiazolium salt as latent image stabilizer and photographic elements including said emulsionMINNESOTA MINING & MFG·Filed 1987·Granted Oct 25, 1988·5 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →