Inventor · disambiguated record
Gerhard Buhr
Also filed as: BUHR GERHARD · RUCKERT HANS
50 granted patents·1,161 citations·filing 1975–1997
98Inventor score
Top patents by PatentIndex Score
50 records- 0199US4189323ARadiation-sensitive copying compositionHOECHST AG·Filed 1978·Granted Feb 19, 1980·156 cites·13 claims
- 0297US4101323ARadiation-sensitive copying compositionHOECHST AG·Filed 1976·Granted Jul 18, 1978·87 cites·16 claims
- 0395US4247611APositive-working radiation-sensitive copying composition and method of using to form relief imagesHOECHST AG·Filed 1978·Granted Jan 27, 1981·105 cites·14 claims
- 0493US4311782ARadiation-sensitive mixture and process for the production of relief imagesHOECHST AG·Filed 1980·Granted Jan 19, 1982·59 cites·7 claims
- 0593US4248957AAcid degradable radiation-sensitive mixtureHOECHST AG·Filed 1979·Granted Feb 3, 1981·68 cites·8 claims
- 0690US4914721ASafety devicePEINIGER ERNST GMBH·Filed 1988·Granted Apr 3, 1990·77 cites·17 claims
- 0789US4619998ALight-sensitive triazines possessing trichloromethyl groupsHOECHST AG·Filed 1984·Granted Oct 28, 1986·50 cites·8 claims
- 0888US4814632ASafety devicePEINIGER ERNST GMBH·Filed 1987·Granted Mar 21, 1989·85 cites·16 claims
- 0987US4266001ALight-sensitive mixtureHOECHST AG·Filed 1979·Granted May 5, 1981·35 cites·18 claims
- 1085US4250247AAcid degradable radiation-sensitive mixtureHOECHST AG·Filed 1979·Granted Feb 10, 1981·32 cites·7 claims
- 1183US4506003APositive-working radiation-sensitive mixtureHOECHST AG·Filed 1983·Granted Mar 19, 1985·42 cites·13 claims
- 1281US5397846AProcess for preparing organic compounds carrying tert-butyloxycarbonyl groupsHOECHST AG·Filed 1992·Granted Mar 14, 1995·28 cites·17 claims
- 1381US4802312AWet sand blasting with pressurized water feedPEINIGER ERNST GMBH·Filed 1982·Granted Feb 7, 1989·38 cites·7 claims
- 1481US4696888ALight-sensitive compounds possessing trichloromethyl groups, a process for their production and light-sensitive mixtures containing these compoundsHOECHST AG·Filed 1986·Granted Sep 29, 1987·41 cites·9 claims
- 1578US3985566APhotosensitive crosslinkable 1-carbonyloxy-1H-naphthalene-2-one polymers and process for their preparationHOECHST AG·Filed 1975·Granted Oct 12, 1976·19 cites·10 claims
- 1675US5498506APositive-acting radiation-sensitive mixture and recording material produced therewithHOECHST AG·Filed 1993·Granted Mar 12, 1996·32 cites·19 claims
- 1773US5612169AN,N-disubstituted sulfonamides and radiation-sensitive mixture prepared therewithHOECHST AG·Filed 1994·Granted Mar 18, 1997·13 cites·8 claims
- 1872US4927732APositive-working photosensitive composition containing a dye and positive-working photosensitive recording material prepared therefromHOECHST AG·Filed 1988·Granted May 22, 1990·20 cites·21 claims
- 1970US5114816ARadiation-sensitive compounds, radiation-sensitive mixture prepared therewith and copying materialHOECHST AG·Filed 1989·Granted May 19, 1992·9 cites·25 claims
- 2058US5529886APolymers having N,N-disubstituted sulfonamide pendent groups and use thereofHOECHST AG·Filed 1995·Granted Jun 25, 1996·12 cites·12 claims
- 2158US5162190A1,2-naphthoquinone-2-diazide-sulfonic acid amides and photosensitive compositions containing these compoundsHOECHST AG·Filed 1989·Granted Nov 10, 1992·5 cites·21 claims
- 2257US4339530ADeveloper mixture for developing exposed light-sensistive copying layersHOECHST AG·Filed 1980·Granted Jul 13, 1982·14 cites·5 claims
- 2356US5292626ADeveloper composition for irradiated, radiation-sensitive positive-working, negative-working and reversible reprographic layersHOECHST AG·Filed 1991·Granted Mar 8, 1994·13 cites·20 claims
- 2455US4421844AProcess for the preparation of relief copiesHOECHST AG·Filed 1981·Granted Dec 20, 1983·16 cites·9 claims
- 2551US5705317ARadiation-sensitive mixtureAGFA GEVAERT AG·Filed 1995·Granted Jan 6, 1998·11 cites·21 claims
- 2651US5008362ABinders soluble in aqueous alkali and containing silanyl groups in the side chain, process for preparing same and also photosensitive mixture containing these compoundsHOECHST AG·Filed 1989·Granted Apr 16, 1991·8 cites·23 claims
- 2750US4409314ALight-sensitive compounds, light-sensitive mixture, and light-sensitive copying material prepared therefromHOECHST AG·Filed 1981·Granted Oct 11, 1983·9 cites·15 claims
- 2848US5442087APolymers having N,N-disubstituted sulfonamide pendent groups and use thereofHOECHST AG·Filed 1993·Granted Aug 15, 1995·10 cites·4 claims
- 2948US5374184APhotopolymerizable material and process for the production of a colored imageHOECHST AG·Filed 1994·Granted Dec 20, 1994·10 cites·20 claims
- 3045US5654121APositive-working radiation-sensitive mixtureAGFA GEVAERT AG·Filed 1995·Granted Aug 5, 1997·10 cites·16 claims
- 3142US5563018A(1,2-naphthoquinone 2-diazide) sulfonic acid esters, radiation-sensitive mixture prepared therewith and radiation-sensitive recording materialHOECHST AG·Filed 1993·Granted Oct 8, 1996·2 cites·15 claims
- 3241US4774171ABis-1,2-naphthoquinone-2-diazide-sulfonic acid amides, their use in a radiation-sensitive mixture, and radiation-sensitive copying materialHOECHST AG·Filed 1987·Granted Sep 27, 1988·5 cites·13 claims
- 3337US5879852APositive-working radiation-sensitive mixtureAGFA GEVAERT AG·Filed 1997·Granted Mar 9, 1999·4 cites·12 claims
- 3437US5776652AAromatic hexafluoropropanesulfonate diazonium salts and their use in radiation-sensitive mixturesAGFA GEVAERT AG·Filed 1997·Granted Jul 7, 1998·4 cites·22 claims
- 3536US5368975APositive-working 1,2-quinone diazide radiation-sensitive mixture and recording material containing urethane compound to diminish developer solubilityHOECHST AG·Filed 1993·Granted Nov 29, 1994·5 cites·15 claims
- 3636US5077395ASubstituted 1,2-naphthoquinone-2-diazide-4-sulfonic acids and processes for their preparation and useHOECHST AG·Filed 1990·Granted Dec 31, 1991·1 cites·15 claims
- 3735US5998567ARadiation-sensitive mixtureCLARIANT GMBH·Filed 1997·Granted Dec 7, 1999·3 cites·16 claims
- 3835US5192640AProcess for preparing 7-hydroxy-1,2-naphthoquinone-2-diazide-4-sulfonic acid or salts thereofHOECHST AG·Filed 1990·Granted Mar 9, 1993·1 cites·16 claims
- 3934US5753405APositive-working recording material containing aluminum base and mat-finished quinone diazide layer developable in weak alkaline developersAGFA GEVAERT AG·Filed 1996·Granted May 19, 1998·3 cites·20 claims
- 4034US5306595AComposition containing naphthoquinone diazide sulfonic acid mixed esters and radiation-sensitive recording material prepared therewithHOECHST AG·Filed 1992·Granted Apr 26, 1994·3 cites·20 claims
- 4134US5206111ABinders soluble in aqueous alkali and containing silanyl groups in the side chain for a photosensitive mixtureHOECHST AG·Filed 1991·Granted Apr 27, 1993·2 cites·16 claims
- 4234US5066567AImage reversal process utilizing a positive-working photosensitive composition containing a dyeHOECHST AG·Filed 1990·Granted Nov 19, 1991·3 cites·18 claims
- 4333US5834157A2-acylamino-9-arylacridines, process for their preparation and photosensitive mixtures containing themAGFA GEVAERT AG·Filed 1996·Granted Nov 10, 1998·3 cites·18 claims
- 4433US5693449AProcess for the production of a multicolored image and photosensitive material for carrying out this processAGFA GEVAERT AG·Filed 1995·Granted Dec 2, 1997·2 cites·19 claims
- 4533US5413899ALight-sensitive mixture containing an 0-naphthoquinonediazide-sulfonic acid ester and recording material produced therewith wherein the 0-naphthoquinone diazides are partial estersHOECHST AG·Filed 1994·Granted May 9, 1995·2 cites·23 claims
- 4632US5198325APhotopolymerizable mixture, copying material containing same and process for producing highly heat-resistant relief structures wherein a trihalomethyl is the photoinitiatorHOECHST AG·Filed 1988·Granted Mar 30, 1993·3 cites·20 claims
- 4730US5725992AProcess for the production of a multicolored image and photosensitive material for carrying out this processAGFA GEVAERT AG·Filed 1993·Granted Mar 10, 1998·0 cites·21 claims
- 4829US5529883APhotosensitive material for the production of a colored image utilizing adhesion promoting layerHOECHST AG·Filed 1994·Granted Jun 25, 1996·1 cites·17 claims
- 4929US5268252ARadiation-sensitive ester and process for its preparationHOECHST AG·Filed 1992·Granted Dec 7, 1993·0 cites·22 claims
- 5027US5534373APeel-apart process for the production of a colored image and imaged product produced through the processAGFA GEVAERT AG·Filed 1995·Granted Jul 9, 1996·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →