Inventor · disambiguated record
Rolf Fischer
Also filed as: FISCHER ROLF · FISCHER ROLF H · FISCHER ROLF-HARTMUTH
251 granted patents·12 pending applications·2,647 citations·filing 1975–2018
99Inventor score
Top patents by PatentIndex Score
263 records- 0197US6906228B2Method for catalytic hydrogenation on rhenium-containing active carbon carrier catalystsBASF AG·Filed 2001·Granted Jun 14, 2005·173 cites·8 claims
- 0297US5453516APreparation of 5-membered ring heterocyclesBASF AG·Filed 1993·Granted Sep 26, 1995·101 cites·8 claims
- 0396US10078644B1Apparatus and methods for manipulating multicamera content using content proxyGOPRO INC·Filed 2016·Granted Sep 18, 2018·19 cites·12 claims
- 0496US4853473APreparation of 2(5H)-furanonesBASF AG·Filed 1988·Granted Aug 1, 1989·71 cites·14 claims
- 0595US9871994B1Apparatus and methods for providing content context using session metadataGOPRO INC·Filed 2016·Granted Jan 16, 2018·22 cites·20 claims
- 0694US6008418AProcess for preparing 1,6 hexanediol with a level of purity over 99%BASF AG·Filed 1997·Granted Dec 28, 1999·68 cites·10 claims
- 0793US9922387B1Storage of metadata and imagesGOPRO INC·Filed 2016·Granted Mar 20, 2018·10 cites·20 claims
- 0893US4730040APreparation of caprolactamBASF AG·Filed 1987·Granted Mar 8, 1988·46 cites·9 claims
- 0991US6462220B1Method for simultaneous preparation of 6-aminocapronitrile and hexamethylene diamineBASF AG·Filed 1999·Granted Oct 8, 2002·47 cites·19 claims
- 1091US5981769AProcess for preparing 1,6- hexanediol and caprolactoneBASF AG·Filed 1997·Granted Nov 9, 1999·61 cites·14 claims
- 1191US5618954APreparation of 3,4-epoxy-1-buteneBASF AG·Filed 1993·Granted Apr 8, 1997·43 cites·13 claims
- 1291US4767856APreparation of caprolactam from 6-aminocaproic acid, esters and amidesBASF AG·Filed 1987·Granted Aug 30, 1988·32 cites·10 claims
- 1390US5099074AProcess for the preparation of polyether glycolsBASF AG·Filed 1990·Granted Mar 24, 1992·53 cites·9 claims
- 1489US6147208AProcess for simultaneously preparing caprolactam and hexamethylene diamineBASF AG·Filed 1996·Granted Nov 14, 2000·58 cites·9 claims
- 1588US6204417B1Method for producing aliphatic alcoholsBASF AG·Filed 1998·Granted Mar 20, 2001·78 cites·7 claims
- 1688US4780448APreparation of a catalyst containing copper and silicaBASF AG·Filed 1987·Granted Oct 25, 1988·29 cites·6 claims
- 1787US10402445B2Apparatus and methods for manipulating multicamera content using content proxyGOPRO INC·Filed 2018·Granted Sep 3, 2019·4 cites·20 claims
- 1886US6265602B1Method for hydrogenating aliphatic alpha-, omega-dinitrilesBASF AG·Filed 1999·Granted Jul 24, 2001·28 cites·9 claims
- 1986US5496941AProcess for continuous purification of crude caprolactam prepared from 6-aminocapronitrileBASF AG·Filed 1995·Granted Mar 5, 1996·61 cites·2 claims
- 2086US4940805APreparation of 1,4-butanediol or tetrahydrofuran or bothBASF AG·Filed 1988·Granted Jul 10, 1990·24 cites·10 claims
- 2186US4730041APreparation of ε-caprolactamsBASF AG·Filed 1987·Granted Mar 8, 1988·21 cites·9 claims
- 2285US6441110B1Method for producing halogen-free reactive polyisobuteneBASF AG·Filed 1998·Granted Aug 27, 2002·53 cites·7 claims
- 2385US5905159AMethod of producing 1,4-butanediol and tetrahydrofuran from furanBASF AG·Filed 1996·Granted May 18, 1999·27 cites·18 claims
- 2484US7091153B2Hydrogenation catalystBASF AG·Filed 2004·Granted Aug 15, 2006·10 cites·16 claims
- 2584US6407294B1Method for producing 1,6-hexanediolBASF AG·Filed 1998·Granted Jun 18, 2002·25 cites·12 claims
- 2684US5693793APreparation of caprolactam from 6-aminocapronitrileBASF AG·Filed 1996·Granted Dec 2, 1997·34 cites·5 claims
- 2784US5068398APreparation of 6-aminocaproic estersBASF AG·Filed 1989·Granted Nov 26, 1991·18 cites·11 claims
- 2883US6139693AMethod for obtaining hexamethylene diamine from mixtures containing hexamethylene diamineBASF AG·Filed 1998·Granted Oct 31, 2000·24 cites·11 claims
- 2983US4740613APreparation of 4-pentenoatesBASF AG·Filed 1987·Granted Apr 26, 1988·22 cites·6 claims
- 3082US6870014B2Catalyst and method for producing polytetrahydrofuraneBASF AG·Filed 2001·Granted Mar 22, 2005·18 cites·33 claims
- 3182US5905161ARegeneration of catalyst used in the preparation of 3,4-epoxy-1-buteneBASF AG·Filed 1996·Granted May 18, 1999·25 cites·5 claims
- 3282US5589600APreparation of cyclohexene by partial hydrogenation of benzeneBASF AG·Filed 1995·Granted Dec 31, 1996·24 cites·9 claims
- 3382US4731445APreparation of epsilon-caprolactamBASF AG·Filed 1987·Granted Mar 15, 1988·17 cites·10 claims
- 3481US6852669B2Hydrogenation catalystBASF AG·Filed 2001·Granted Feb 8, 2005·16 cites·28 claims
- 3581US6140545APreparation of alcoholsBASF AG·Filed 1999·Granted Oct 31, 2000·21 cites·10 claims
- 3681US5512697APreparation of aliphatic alpha, omega-aminonitrilesBASF AG·Filed 1995·Granted Apr 30, 1996·22 cites·3 claims
- 3781US4079757ASleeve with folds thereinCONTINENTAL GUMMI WERKE AG·Filed 1976·Granted Mar 21, 1978·33 cites·6 claims
- 3879US6521763B1Method for producing gamma-butyrolactoneBASF AG·Filed 2000·Granted Feb 18, 2003·8 cites·9 claims
- 3979US5391771AHydrogenation of citric acidBASF AG·Filed 1993·Granted Feb 21, 1995·16 cites·14 claims
- 4079US5032684AContinuous purification of caprolactamBASF AG·Filed 1990·Granted Jul 16, 1991·19 cites·7 claims
- 4178US6426438B1Method for producing 1,6-hexanediol and 6-hydroxycaproic acid or their estersBASF AG·Filed 1998·Granted Jul 30, 2002·17 cites·11 claims
- 4278US6387224B1Method for distilling mixtures containing butanediolBASF AG·Filed 1999·Granted May 14, 2002·17 cites·6 claims
- 4378US5527946APreparation of aliphatic alpha, omega-aminonitrilesBASF AG·Filed 1995·Granted Jun 18, 1996·41 cites·8 claims
- 4478US5412120APreparation of carboxylic estersBASF AG·Filed 1993·Granted May 2, 1995·16 cites·6 claims
- 4578US5144061APreparation of alkenecarboxylic estersBASF AG·Filed 1987·Granted Sep 1, 1992·15 cites·10 claims
- 4677US5434273APreparation of N-substituted 2-pyrrolidonesBASF AG·Filed 1994·Granted Jul 18, 1995·17 cites·4 claims
- 4777US5276165APreparation of N-substituted lactamsBASF AG·Filed 1992·Granted Jan 4, 1994·18 cites·7 claims
- 4877US4709097AConversion of 1,3-dioxanes to 4-oxa-aldehydesBASF AG·Filed 1986·Granted Nov 24, 1987·13 cites·15 claims
- 4976US6831182B2Method for the hydrogenation of maleic anhydride and related compounds in two serial reaction zonesBASF AG·Filed 2001·Granted Dec 14, 2004·7 cites·18 claims
- 5076US6433192B1Method for producing mixtures of 1,4-butanediol, tetrahydrofuran and γ-butyrolactoneBASF AG·Filed 1999·Granted Aug 13, 2002·19 cites·10 claims
Showing the top 50 of 263 patent records by PatentIndex Score.
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