Inventor · disambiguated record
Wolfgang Himmelmann
Also filed as: HIMMELMANN WOLFGANG
35 granted patents·387 citations·filing 1973–1990
97Inventor score
Top patents by PatentIndex Score
35 records- 0192US4063952AProcess for hardening silver halide containing photographic layers with sulpho- or sulphoalkyl-substituted carbamoyl pyridinium compoundsAGFA GEVAERT AG·Filed 1975·Granted Dec 20, 1977·48 cites·9 claims
- 0289US4388403AProcess for the preparation of dispersions of hydrophobic substances in waterAGFA GEVAERT AG·Filed 1981·Granted Jun 14, 1983·25 cites·7 claims
- 0387US4714671AColor photographic recording material containing a polymeric gelatine plasticizerAGFA GEVAERT AG·Filed 1986·Granted Dec 22, 1987·19 cites·7 claims
- 0484US4061499AProcess for hardening silver halide photographic layers with organic asymmetric monocarbodiimidesAGFA GEVAERT AG·Filed 1976·Granted Dec 6, 1977·13 cites·9 claims
- 0583US4603102APhotographic silver halide recording material with cellulose dicarboxylic acid semiester particles in outer layerAGFA GEVAERT AG·Filed 1985·Granted Jul 29, 1986·50 cites·5 claims
- 0682US4119464AProcess for hardening photographic layers containing gelatineAGFA GEVAERT AG·Filed 1977·Granted Oct 10, 1978·16 cites·12 claims
- 0777US4123281APhotographic silver halide color material containing fast-acting hardener and 2-pyrazolin-5-one coupler precursorsAGFA GEVAERT NV·Filed 1976·Granted Oct 31, 1978·9 cites·8 claims
- 0875US4067741AHardening photographic layers containing silver halide with a 1-sulphonyl-4-amino-pyridinium saltAGFA GEVAERT AG·Filed 1976·Granted Jan 10, 1978·8 cites·10 claims
- 0973US4353972ALight-sensitive photographic material comprising polymeric mordant layerAGFA GEVAERT AG·Filed 1980·Granted Oct 12, 1982·13 cites·6 claims
- 1073US4284708APhotographic film unit for the production of colored transfer imagesAGFA GEVAERT AG·Filed 1980·Granted Aug 18, 1981·13 cites·4 claims
- 1172US4845024AHardeners for proteins, a binder layer hardened therewith and a photographic recording material containing such a layerAGFA GEVAERT AG·Filed 1987·Granted Jul 4, 1989·9 cites·3 claims
- 1272US4524131APhotographic silver halide recording material with graft copolymer particles in outer layerAGFA GEVAERT AG·Filed 1984·Granted Jun 18, 1985·18 cites·6 claims
- 1370US4724197AColor photographic recording material and a process for the production of color photographic imagesAGFA GEVAERT AG·Filed 1986·Granted Feb 9, 1988·10 cites·8 claims
- 1468US4894324AHardeners for proteins, a layer of binder hardened therewith and a photographic recording material containing such a layerAGFA GEVAERT AG·Filed 1988·Granted Jan 16, 1990·9 cites·5 claims
- 1568US4379838APhotosensitive photographic recording material comprising a dyed layerAGFA GEVAERT AG·Filed 1981·Granted Apr 12, 1983·16 cites·5 claims
- 1667US4233398AProcess for the hardening of photographic layers utilizing fast acting hardener and polysaccharideAGFA GEVAERT AG·Filed 1978·Granted Nov 11, 1980·9 cites·2 claims
- 1766US5085981APhotographic silver halide element with protective layerAGFA GEVAERT AG·Filed 1990·Granted Feb 4, 1992·7 cites·6 claims
- 1866US4287299AProcess for the production of matting layersAGFA GEVAERT AG·Filed 1980·Granted Sep 1, 1981·11 cites·5 claims
- 1966US4055427AProcess of hardening a silver halide photographic material with a 1-carbamoyloxypyridinium saltAGFA GEVAERT AG·Filed 1977·Granted Oct 25, 1977·5 cites·11 claims
- 2064US4883880AProcess for the preparation of sulfoalkyl quaternary salts and for the production of alkane sultonesAGFA GEVAERT AG·Filed 1983·Granted Nov 28, 1989·5 cites·13 claims
- 2160US4323646AProcess for hardening a photographic materialAGFA GEVAERT AG·Filed 1980·Granted Apr 6, 1982·8 cites·14 claims
- 2259US4349624APhotographic silver halide materialAGFA GEVAERT AG·Filed 1980·Granted Sep 14, 1982·8 cites·6 claims
- 2359US4043818AProcess for hardening photographic layers with carbodiimide compounds containing sulphobetaine groupsAGFA GEVAERT AG·Filed 1975·Granted Aug 23, 1977·7 cites·9 claims
- 2459US4013468AMethod of hardening a protein-containing layer of a silver halide photographic material with an alkyl ester of 1,2-dihydroquinoline-N-carboxylic acidAGFA GEVAERT AG·Filed 1974·Granted Mar 22, 1977·4 cites·11 claims
- 2557US4338394AProcess for hardening photographic gelatinAGFA GEVAERT AG·Filed 1980·Granted Jul 6, 1982·7 cites·5 claims
- 2652US4116700AProcess for hardening photographic layersAGFA GEVAERT AG·Filed 1977·Granted Sep 26, 1978·4 cites·10 claims
- 2749US4710454APhotographic recording material and a process for the production of photographic imagesLANGEN HANS·Filed 1986·Granted Dec 1, 1987·6 cites·8 claims
- 2845US4939077APhotographic recording material containing polyester compounds having free acid groupsAGFA GEVAERT AG·Filed 1989·Granted Jul 3, 1990·9 cites·6 claims
- 2944US3967966APhotographic gelatine layers with improved physical and photographic propertiesAGFA GEVAERT AG·Filed 1973·Granted Jul 6, 1976·5 cites·13 claims
- 3041US4939079APhotographic recording materialAGFA GEVAERT AG·Filed 1989·Granted Jul 3, 1990·3 cites·6 claims
- 3139US4847179APhotographic dye diffusion transfer process and color photographic recording material suitable for this processAGFA GEVAERT AG·Filed 1987·Granted Jul 11, 1989·3 cites·5 claims
- 3237US4978607APhotographic recording materialAGFA GEVAERT AG·Filed 1988·Granted Dec 18, 1990·4 cites·2 claims
- 3334US5057276AProcess for the preparation of reagent layers containing hydrophobic reagentsMILES INC·Filed 1987·Granted Oct 15, 1991·4 cites·8 claims
- 3434US4548887ADye diffusion transfer process wherein proteolytic enzyme decomposes light sensitive elementAGFA GEVAERT AG·Filed 1984·Granted Oct 22, 1985·1 cites·8 claims
- 3532US4906560APhotographic materialAGFA GEVAERT AG·Filed 1988·Granted Mar 6, 1990·1 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →