Inventor · disambiguated record
Johannes Sobel
Also filed as: SOBEL JOHANNES
17 granted patents·252 citations·filing 1975–1993
94Inventor score
Top patents by PatentIndex Score
17 records- 0194US5362615APhotographic recording material containing a hydroquinone diether compoundAGFA AG·Filed 1993·Granted Nov 8, 1994·36 cites·22 claims
- 0290US4749643APhotographic recording element containing a UV absorbent and a silver halide emulsion layerAGFA GEVAERT AG·Filed 1986·Granted Jun 7, 1988·75 cites·3 claims
- 0384US4942068ACurtain coating processAGFA GEVAERT AG·Filed 1988·Granted Jul 17, 1990·19 cites·9 claims
- 0482US4943519ALight sensitive, stabilized photographic recording materialAGFA GEVAERT AG·Filed 1986·Granted Jul 24, 1990·18 cites·2 claims
- 0576US4339515AMethod of stabilizing color photographic materials and a color photographic materialAGFA GEVAERT AG·Filed 1980·Granted Jul 13, 1982·15 cites·3 claims
- 0672US4845024AHardeners 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
- 0772US4330606AColor photographic materials and color photographic imagesAGFA GEVAERT AG·Filed 1980·Granted May 18, 1982·13 cites·4 claims
- 0868US4894324AHardeners 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
- 0967US4003748AIncorporation processAGFA GEVAERT AG·Filed 1975·Granted Jan 18, 1977·8 cites·8 claims
- 1065US4464464AColor photographic recording materialAGFA GEVAERT AG·Filed 1982·Granted Aug 7, 1984·10 cites·5 claims
- 1160US4323646AProcess for hardening a photographic materialAGFA GEVAERT AG·Filed 1980·Granted Apr 6, 1982·8 cites·14 claims
- 1259US4349624APhotographic silver halide materialAGFA GEVAERT AG·Filed 1980·Granted Sep 14, 1982·8 cites·6 claims
- 1357US4338394AProcess for hardening photographic gelatinAGFA GEVAERT AG·Filed 1980·Granted Jul 6, 1982·7 cites·5 claims
- 1456US4840890AHardened proteinic binder layerAGFA GEVAERT AG·Filed 1988·Granted Jun 20, 1989·6 cites·4 claims
- 1554US4952487AColor photographic recording materialAGFA GEVAERT AG·Filed 1989·Granted Aug 28, 1990·6 cites·3 claims
- 1635US4810625APhotographic material with pyrazolone coupler and oil formerAGFA GEVAERT AG·Filed 1987·Granted Mar 7, 1989·2 cites·1 claims
- 1733US4052216AColor photographic material containing a hydroxyindaneAGFA GEVAERT AG·Filed 1976·Granted Oct 4, 1977·3 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →