Inventor · disambiguated record
Hansgeorg Ernst
Also filed as: ERNST HANSGEORG
39 granted patents·8 pending applications·263 citations·filing 1982–2016
97Inventor score
Top patents by PatentIndex Score
47 records- 0194US9493385B2Process for the preparation of (3E, 7E)-homofarnesolBASF SE·Filed 2015·Granted Nov 15, 2016·12 cites·12 claims
- 0292US5455362APreparation of astaxanthin novel intermediates therefor and the preparation thereofBASF AG·Filed 1994·Granted Oct 3, 1995·44 cites·2 claims
- 0390US4645845ANovel optically active chroman derivatives, their preparation and novel intermediatesBASF AG·Filed 1984·Granted Feb 24, 1987·28 cites·6 claims
- 0483US4716243Aα-(o-chlorophenyl)-aminomethylene-β-formylaminopropionitrileBASF AG·Filed 1985·Granted Dec 29, 1987·18 cites·1 claims
- 0582US6747177B2Process for the preparation of meso-zeaxanthinBASF AG·Filed 2003·Granted Jun 8, 2004·16 cites·1 claims
- 0682US6743954B2Process for the preparation of meso-zeaxanthinBASF AG·Filed 2002·Granted Jun 1, 2004·10 cites·17 claims
- 0782US5654488APreparation of astaxanthinBASF AG·Filed 1996·Granted Aug 5, 1997·25 cites·5 claims
- 0881US8673598B2Microbial succinic acid producers and purification of succinic acidSCHRODER HARTWIG·Filed 2010·Granted Mar 18, 2014·5 cites·11 claims
- 0979US4937308APreparation of alkyl O,O-dialkyl-γ-phosphonotiglatesBASF AG·Filed 1988·Granted Jun 26, 1990·16 cites·5 claims
- 1078US6673971B2Preparation of 1,1,4,4-tetramethoxy-2-buteneBASF AG·Filed 2002·Granted Jan 6, 2004·8 cites·14 claims
- 1176US6610892B2Process for preparing 2,7-dimethyl-2,4,6-octatrienal monoacetalsBASF AG·Filed 2002·Granted Aug 26, 2003·8 cites·10 claims
- 1276US4705553AMethod of reducing plant growth height using phenylalkylmorpholinesBASF AG·Filed 1987·Granted Nov 10, 1987·12 cites·1 claims
- 1374US9061982B2Process for the preparation of oxovinylionol and its O-protected derivativesBASF SE·Filed 2012·Granted Jun 23, 2015·1 cites·18 claims
- 1473US9023632B2Microbial succinic acid producers and purification of succinic acidBASF SE·Filed 2014·Granted May 5, 2015·1 cites·20 claims
- 1567US5625099APreparation of astaxanthin, novel intermediates therefor and the preparation thereofFiled 1995·Granted Apr 29, 1997·10 cites·2 claims
- 1666US7045641B2Process for preparing polyenedialdehyde monoacetalsBASF AG·Filed 2003·Granted May 16, 2006·3 cites·10 claims
- 1766US6407291B1Preparation of 1,1,4,4-tetramethoxy-2-buteneBASF AG·Filed 2000·Granted Jun 18, 2002·3 cites·7 claims
- 1864US8492579B2Method for producing astaxanthin dimethyldisuccinateERNST HANSGEORG·Filed 2011·Granted Jul 23, 2013·1 cites·7 claims
- 1964US6699911B2Catalytic reduction of alkyne compoundsBASF AG·Filed 2001·Granted Mar 2, 2004·3 cites·7 claims
- 2063US9758500B2Process for the preparation of (3E, 7E)-homofarnesolBASF SE·Filed 2016·Granted Sep 12, 2017·0 cites·15 claims
- 2163US7378558B2Method for producing carotenoidsBASF AG·Filed 2003·Granted May 27, 2008·3 cites·7 claims
- 2261US4567261APreparation of riboflavinBASF AG·Filed 1984·Granted Jan 28, 1986·4 cites·7 claims
- 2360US6365740B1Preparation of 2-methyl-4-amino-5-aminomethylpyrimidineBASF AG·Filed 2001·Granted Apr 2, 2002·1 cites·21 claims
- 2459US5210314APreparation of canthaxanthin and astaxanthinBASF AG·Filed 1991·Granted May 11, 1993·6 cites·8 claims
- 2558US4778531AEpimerization of sugars, in particular of D-arabinose to D-riboseBASF AG·Filed 1987·Granted Oct 18, 1988·9 cites·13 claims
- 2658US2013273619A1Process for the Preparation of (3E, 7E)-HomofarnesolBASF SE·Filed 2013·Application pending·0 cites
- 2757US9932612B2Microbial succinic acid producers and purification of succinic acidBASF SE·Filed 2015·Granted Apr 3, 2018·0 cites·9 claims
- 2854US7271296B2Method for the production of phytoflueneBASF AG·Filed 2004·Granted Sep 18, 2007·1 cites·8 claims
- 2950US2014288309A1Process of producing bleach boostersBASF SE·Filed 2014·Application pending·0 cites
- 3050US2009325225A1Method for the production of (4s)-3,4-dihydroxy-2,6,6-trimethyl-cyclohex-2-enone and derivatives thereofBASF AG PATENTS TRADEMARKS AND·Filed 2007·Application pending·0 cites
- 3149US5773635APreparation of polyenecarbonyl compounds having a high content of the all-E isomer, and of their acetals or ketalsBASF AG·Filed 1995·Granted Jun 30, 1998·5 cites·12 claims
- 3249US5053223AProcess and agents for control of white coffee-leaf miners, especially perileucoptera coffeellaBASF AG·Filed 1989·Granted Oct 1, 1991·4 cites·10 claims
- 3347US4550182APreparation of α-tocopherolBASF AG·Filed 1984·Granted Oct 29, 1985·2 cites·13 claims
- 3447US2010041922A1Method for the enantioselective production of optically active 4-hydroxy-2,6,6-trimethyl-cyclohex-2-enone derivativesBASF SE·Filed 2008·Application pending·0 cites
- 3545US2008200682A1Process of Producing Bleach BoostersBASF AG·Filed 2006·Application pending·0 cites
- 3642US5717128APreparation of alkylesters of 0,0-dialkyl-4-phosphono-2-methyl-2-butenoic acid and alkyl esters of 4-halo-2-methyl-2-butenoic acid containing a high percentage of E isomersBASF AG·Filed 1995·Granted Feb 10, 1998·2 cites·8 claims
- 3742US2004195108A1Method of producing oxocylohexyl or oxocyclohexylene derivativesFiled 2002·Application pending·0 cites
- 3841US7339085B2Method for producing 2,7-dimethyl-octa-2,4,6-trienedialBASF AG·Filed 2005·Granted Mar 4, 2008·0 cites·11 claims
- 3941US2010222606A1Method for producing bisabolol which is farnesol free or is low in farnesolBASF SE·Filed 2007·Application pending·0 cites
- 4040US4656275APreparation of riboflavin, and 4,5-dimethyl-N-(D)-ribityl-2-(O-alkoxyphenylazo)-aniline intermediatesBASF AG·Filed 1985·Granted Apr 7, 1987·1 cites·4 claims
- 4138US7365210B2Method for the production of chiral imidazolidin-2-onesBASF AG·Filed 2003·Granted Apr 29, 2008·0 cites·9 claims
- 4236US6740774B1Preparation of N-acylamino acid esters and N-acylamino acetalsBASF AG·Filed 2000·Granted May 25, 2004·0 cites·13 claims
- 4335US2008039642A1Practical, Cost-Effective Synthesis of Chloromethylated 1, 4-BenzoquinonesBERL VOLKER·Filed 2005·Application pending·0 cites
- 4434US4918191APreparation of 2-n-propyl-4-amino-5-methoxymethyl-pyrimidineBASF AG·Filed 1989·Granted Apr 17, 1990·0 cites·4 claims
- 4533US6781004B2Process for the preparation of cis-6-hexadecenoic acidBASF AG·Filed 2002·Granted Aug 24, 2004·0 cites·5 claims
- 4633US4518813AOptically active units for the synthesis of the side chain of (R,R,R)-α-tocopherol and their preparationBASF AG·Filed 1982·Granted May 21, 1985·1 cites·4 claims
- 4728US4806686APreparation of ribitylxylidineBASF AG·Filed 1987·Granted Feb 21, 1989·0 cites·6 claims
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