Inventor · disambiguated record
Gunnar Heydrich
Also filed as: HEYDRICH GUNNAR
29 granted patents·7 pending applications·87 citations·filing 2002–2022
95Inventor score
Top patents by PatentIndex Score
36 records- 0191US9975837B2Method for synthesizing optically active carbonyl compoundsBASF SE·Filed 2015·Granted May 22, 2018·4 cites·18 claims
- 0290US8071389B2Method for controlling hydrogenationWECK ALEXANDER·Filed 2006·Granted Dec 6, 2011·22 cites·19 claims
- 0388US7960593B2Process for preparation of menthol by hydrogenation of isopulegolBASF SE·Filed 2008·Granted Jun 14, 2011·8 cites·13 claims
- 0485US8414744B2Continuous process for preparing menthol in pure or enriched formHEYDRICH GUNNAR·Filed 2008·Granted Apr 9, 2013·5 cites·16 claims
- 0584US8282793B2Continuous process for preparing neral in pure or enriched formHEYDRICH GUNNAR·Filed 2008·Granted Oct 9, 2012·7 cites·17 claims
- 0683US8318985B2Method for producing optically active, racemic mentholHEYDRICH GUNNAR·Filed 2008·Granted Nov 27, 2012·5 cites·21 claims
- 0781US9988331B2Method for producing optically active, racemic mentholBASF SE·Filed 2012·Granted Jun 5, 2018·2 cites·15 claims
- 0881US8288593B2Menthol flakes and method for producing the sameRAULS MATTHIAS·Filed 2008·Granted Oct 16, 2012·7 cites·15 claims
- 0980US10301244B2Method for synthesizing optically active carbonyl compoundsBASF SE·Filed 2018·Granted May 28, 2019·1 cites·14 claims
- 1075US6713656B2Preparation of diacetals of glyoxalBASF AG·Filed 2002·Granted Mar 30, 2004·7 cites·14 claims
- 1174USRE49036EMethod for synthesizing optically active carbonyl compoundsBASF SE·Filed 2019·Granted Apr 19, 2022·0 cites·16 claims
- 1270US8623621B2Method for producing optically active 2-methyl-alkanolsJAEKEL CHRISTOPH·Filed 2010·Granted Jan 7, 2014·1 cites·14 claims
- 1369US7211698B2Method for processing compositions containing 1,1,2,2-tetramethoxyethane and glyoxal dimethyl acetalBASF AG·Filed 2004·Granted May 1, 2007·5 cites·21 claims
- 1467US7271299B2Two-stage method for producing butanediol with intermediated separation of succinic anhydrideBASF AG·Filed 2003·Granted Sep 18, 2007·4 cites·30 claims
- 1565US8003829B2Recovery of phenol ligands during the production of isopulegolBASF SE·Filed 2007·Granted Aug 23, 2011·1 cites·22 claims
- 1664US8134034B2Recovery of bis(diarylphenol) ligands during the production of isopulegolHEYDRICH GUNNAR·Filed 2007·Granted Mar 13, 2012·1 cites·19 claims
- 1764US7154011B2Method for the production of 1,4- butanediolBASF AG·Filed 2003·Granted Dec 26, 2006·3 cites·28 claims
- 1861USRE46151EMethod for the production of 4,4′-[1-(trifluoromethyl)alkylidene]-bis-(2,6-diphenylphenols)BASF SE·Filed 2008·Granted Sep 20, 2016·0 cites·24 claims
- 1960US7307040B2Method for the selective production of tetrahydrofuran by hydrogenating maleic acid anhydrideBASF AG·Filed 2002·Granted Dec 11, 2007·3 cites·4 claims
- 2060US2024199516A1Dialkylpentene ether and dialkylpentadiene ether derivatives as fragrancesBASF SE·Filed 2022·Application pending·0 cites
- 2159US8212084B2Method for the production of 4,4′-[1-trifluoromethyl)alkylidene]-bis-(2,6-diphenylphenols)GRALLA GABRIELE·Filed 2008·Granted Jul 3, 2012·0 cites·20 claims
- 2257US12162822B2Method for producing menthol particles stabilized against caking, and storage-stable menthol particles and use thereofBASF SE·Filed 2019·Granted Dec 10, 2024·0 cites·13 claims
- 2355US7169958B2Method for the production of 1,4- butane-diol by combined gas-phase and liquid-phase hydrogenationBASF AG·Filed 2003·Granted Jan 30, 2007·1 cites·31 claims
- 2455US2014158515A1Continuous process for preparing menthol in pure or enriched formBASF SE·Filed 2013·Application pending·0 cites
- 2554US7816107B2Method for producing an optically active 2-methyl-alkane-1-ol from the corresponding 2-methylalk-2-en-1-al, comprising carbonyl-selective reduction, enantioselective hydration and lipase-catalyzed, stereoselective acylation in order to enrich the desiredBASF AG·Filed 2005·Granted Oct 19, 2010·0 cites·9 claims
- 2652US11884611B2Reactor for carrying out a gas-liquid two-phase high-pressure reaction with a foaming mediumBASF SE·Filed 2019·Granted Jan 30, 2024·0 cites·15 claims
- 2752US11766653B2Method for carrying out a gas/fluid two-phase high-pressure reactionBASF SE·Filed 2019·Granted Sep 26, 2023·0 cites·15 claims
- 2852US10669222B2Process for enriching enantiomers from an enantiomer mixtureBASF SE·Filed 2017·Granted Jun 2, 2020·0 cites·20 claims
- 2951US11529607B2Reactor for carrying out a reaction between two non-miscible fluids of different densitiesBASF SE·Filed 2019·Granted Dec 20, 2022·0 cites·20 claims
- 3046US8759580B2Method for the production of aminoalkane acid amidesERNST MARTIN·Filed 2006·Granted Jun 24, 2014·0 cites·22 claims
- 3145US2008097112A1Selective preparation of tetrahydrofuran by hydrogenation of maleic anhydrideSCHLITTER STEPHAN·Filed 2006·Application pending·0 cites
- 3243US2008177092A1Continuous Method For The Production Of A DioxiraneBASF AG·Filed 2006·Application pending·0 cites
- 3342US8653313B2Process for preparing a phenylcyclohexaneGRALLA GABRIELE·Filed 2011·Granted Feb 18, 2014·0 cites·16 claims
- 3442US2007036697A1Multi-zone jacketed pipe reactor for carrying out exothermic gaseous phase reactionsGUTLHUBER FRIEDRICH·Filed 2003·Application pending·0 cites
- 3541US2006030743A1Catalyst and method for producing alcohol by hydrogenation on said catalystSCHUBERT MARKUS·Filed 2003·Application pending·0 cites
- 3641US2005215800A1Method for producing gamma-butyrolactonePINKOS ROLF·Filed 2003·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →