Inventor · disambiguated record
Friedrich Linhart
Also filed as: GIRGENSOHN BJOERN · HAMPRECHT GERHARD · LINHART FRIEDRICH
38 granted patents·4 pending applications·1,231 citations·filing 1975–2005
98Inventor score
Top patents by PatentIndex Score
42 records- 0197US4421602ALinear basic polymers, their preparation and their useBASF AG·Filed 1982·Granted Dec 20, 1983·222 cites·8 claims
- 0295US5641855AWater-soluble condensation products of amino-containing compounds and crosslinkers, preparation thereof and use thereofBASF AG·Filed 1993·Granted Jun 24, 1997·84 cites·23 claims
- 0393US5578678AGraft polymers of natural substances containing saccharide structures or derivatives thereof and ethylenically unsaturated compounds and their useBASF AG·Filed 1994·Granted Nov 26, 1996·93 cites·12 claims
- 0491US5543459AGraft polymers of natural substances containing saccharide structures or derivatives thereof and ethylenically unsaturated compounds and their useBASF AG·Filed 1995·Granted Aug 6, 1996·62 cites·8 claims
- 0591US4749444AProduction of paper and cardboardBASF AG·Filed 1986·Granted Jun 7, 1988·124 cites·5 claims
- 0690US6132558AProcess for producing paper and cardboardBASF AG·Filed 1997·Granted Oct 17, 2000·98 cites·10 claims
- 0790US5334287AGraft polymers of natural substances containing saccharide structures or derivatives thereof and ethylenically unsaturated compounds and their useBASF AG·Filed 1992·Granted Aug 2, 1994·52 cites·14 claims
- 0886US5630907AUse of hydrolyzed copolymers of N-vinylcarboxamides and monoethylenically unsaturated carboxylic acids in papermakingBASF AG·Filed 1996·Granted May 20, 1997·54 cites·8 claims
- 0986US4425238ARemoval of anionic compounds from waterBASF AG·Filed 1982·Granted Jan 10, 1984·51 cites·11 claims
- 1084US4450045APreparation of water-soluble, nitrogen-containing condensates and their use in papermakingBASF AG·Filed 1982·Granted May 22, 1984·48 cites·6 claims
- 1184US4321395APreparation of acetanilidesBASF AG·Filed 1979·Granted Mar 23, 1982·12 cites·9 claims
- 1280US4623699APreparation of linear, basic polymer powdersBASF AG·Filed 1985·Granted Nov 18, 1986·30 cites·10 claims
- 1377US3993772ACertain N-methoxy-N-cycloalkyl-2-methyl-3-furancarboxamides and fungicidal method using sameBASF AG·Filed 1975·Granted Nov 23, 1976·9 cites·5 claims
- 1474US6969444B2Paper coating slip containing n-vinylformamideBASF AG·Filed 2001·Granted Nov 29, 2005·14 cites·15 claims
- 1574US5126395APreparation of stable water-in-oil emulsions of hydrolyzed polymers of n-vinylamidesBASF AG·Filed 1990·Granted Jun 30, 1992·37 cites·4 claims
- 1674US4772359AProduction of paper, board and cardboardBASF AG·Filed 1987·Granted Sep 20, 1988·31 cites·16 claims
- 1773US5536370ACondensates of polyalkylenepolyamines, their preparation and their use in papermakingBASF AG·Filed 1993·Granted Jul 16, 1996·34 cites·8 claims
- 1871US5145559AProduction of paper, board and cardboardBASF AG·Filed 1991·Granted Sep 8, 1992·31 cites·6 claims
- 1967US6673206B1Method of producing paper, paperboard and cardboardBASF AG·Filed 2000·Granted Jan 6, 2004·7 cites·8 claims
- 2067US5851300ACationic modification of starch and use of the cationically modified starchBASF AG·Filed 1995·Granted Dec 22, 1998·26 cites·8 claims
- 2167US4315017ATriazole derivativesBASF AG·Filed 1980·Granted Feb 9, 1982·6 cites·6 claims
- 2265US7641765B2Method for production of coated paper with extreme whitenessBASF AG·Filed 2002·Granted Jan 5, 2010·9 cites·13 claims
- 2363US6303002B1Method for producing paper, pulpboard and cardboardBASF AG·Filed 1998·Granted Oct 16, 2001·23 cites·5 claims
- 2461US4256754AInsecticidal agentsBASF AG·Filed 1979·Granted Mar 17, 1981·4 cites·8 claims
- 2560US5744001AAqueous pigment slurries for production of filler-containing paperBASF AG·Filed 1994·Granted Apr 28, 1998·22 cites·4 claims
- 2650US5098521AProduction of paper, board and cardboard from paper stocks containing foreign materialsBASF AG·Filed 1991·Granted Mar 24, 1992·13 cites·3 claims
- 2750US2009145565A1Method for the production of crepe paperBASF AG·Filed 2005·Application pending·0 cites
- 2849US4098810AN-(fluorodichloromethylthio)-benzanilidesBASF AG·Filed 1977·Granted Jul 4, 1978·2 cites·3 claims
- 2945US7604713B2Method for producing creped paperBASF AG·Filed 2005·Granted Oct 20, 2009·0 cites·10 claims
- 3045US4465555AWater-soluble polymers of di-C1 -C3 -alkylaminoneopentyl (meth)acrylates, and their use as retention agents, drainage agents and flocculants in papermakingBASF AG·Filed 1982·Granted Aug 14, 1984·6 cites·5 claims
- 3144US5046853AMeasuring the degree of dispersion in flowing suspensionsBASF AG·Filed 1989·Granted Sep 10, 1991·10 cites·1 claims
- 3243US4207243APreparation of 2,5-dimethylfuran-3-carboxylic acid alkyl estersBASF AG·Filed 1979·Granted Jun 10, 1980·1 cites·3 claims
- 3339US6190503B1Process for cleaning wastewater and recirculating water in paper production, de-inking and bleaching of pulpBASF AG·Filed 1997·Granted Feb 20, 2001·7 cites·8 claims
- 3439US4784724AMaking paper which has a high dry strengthBASF AG·Filed 1986·Granted Nov 15, 1988·5 cites·2 claims
- 3538US8133543B2Method for improving printability on paper or paper products with the aid of ink-jet printing methodLINHART FRIEDRICH·Filed 2004·Granted Mar 13, 2012·1 cites·15 claims
- 3637US4240973AN-Cyclohexyl-N-methoxyacetoacetamideBASF AG·Filed 1979·Granted Dec 23, 1980·0 cites·1 claims
- 3737US2004238791A1Reinforcement of the effect of optical brighteners by means of polymersFiled 2002·Application pending·0 cites
- 3837US2004182533A1Method for increasing the whiteness of paper by means of cationic polyelectrolytesFiled 2002·Application pending·0 cites
- 3936US2005061461A1Production of paper board and cardboardFiled 2002·Application pending·0 cites
- 4032US5695610AAqueous pigment slurries and their use in the production of filler-containing paperBASF AG·Filed 1994·Granted Dec 9, 1997·3 cites·4 claims
- 4131US4200743APreparation of 1-cyano-2,1,3-benzothiadiazinonesBASF AG·Filed 1979·Granted Apr 29, 1980·0 cites·1 claims
- 4230US4260562APreparation of O,N-disubstituted hydroxylaminesBASF AG·Filed 1980·Granted Apr 7, 1981·0 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →