Inventor · disambiguated record
John Howard Bigelow
Also filed as: BIGELOW JOHN H · BIGELOW JOHN HOWARD
11 granted patents·129 citations·filing 1973–1979
90Inventor score
Technology areasG03C
Files withDU PONT11
Top patents by PatentIndex Score
11 records- 0192US3930867AMacrocyclic polyamines as sensitizers for silver halide emulsionsDU PONT·Filed 1974·Granted Jan 6, 1976·54 cites·21 claims
- 0279US4092171AOrganophosphine chelates of platinum and palladium as sensitizersDU PONT·Filed 1976·Granted May 30, 1978·13 cites·9 claims
- 0373US4054457ASilver halide emulsions containing hexathiocane thiones as sensitizersDU PONT·Filed 1976·Granted Oct 18, 1977·10 cites·7 claims
- 0471US4131467A4,7-Dihydroxybenzimidazole hydrobromide as antifoggerDU PONT·Filed 1977·Granted Dec 26, 1978·9 cites·15 claims
- 0570US3932451A1,4,7,10-Tetraazatetracyclo[5.5.1.04,13.010,13 ]tridecane and its conjugate acidsDU PONT·Filed 1973·Granted Jan 13, 1976·16 cites·5 claims
- 0668US4067740ATrithiocarbonates as sensitizers for silver halide emulsionsDU PONT·Filed 1976·Granted Jan 10, 1978·8 cites·7 claims
- 0759US4116697ASulfur-substituted isothioureas in silver halide emulsionsDU PONT·Filed 1978·Granted Sep 26, 1978·6 cites·10 claims
- 0854US4115129AOrganophosphine sulfides as photographic sensitizersDU PONT·Filed 1977·Granted Sep 19, 1978·5 cites·35 claims
- 0944US4003746AOrganic heterocyclic and thioaryl phosphines in silver halide emulsions and developers thereforDU PONT·Filed 1975·Granted Jan 18, 1977·3 cites·9 claims
- 1040US3977879APhotographic element with contiguous layer containing an oxidizing agentDU PONT·Filed 1974·Granted Aug 31, 1976·4 cites·6 claims
- 1136US4210716ASilver halide emulsion containing tetrathiocino diisothiazoles as antifoggersDU PONT·Filed 1979·Granted Jul 1, 1980·1 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →