Inventor · disambiguated record
Ralf Pelzer
Also filed as: PELZER RALF
70 granted patents·36 pending applications·817 citations·filing 1992–2023
98Inventor score
Top patents by PatentIndex Score
106 records- 0196US8940940B2Process for preparing macrocyclic ketonesBASF SE·Filed 2013·Granted Jan 27, 2015·18 cites·19 claims
- 0296US5703123AMethod for causing a physiological cooling effect to the skin or mucosa involving the application of carbonic acid estersHAARMANN & REIMER GMBH·Filed 1995·Granted Dec 30, 1997·91 cites·5 claims
- 0395US10202324B2Process for the preparation of melonalBASF SE·Filed 2016·Granted Feb 12, 2019·9 cites·18 claims
- 0495US10087395B2Use of hexadeca-8,15-dienal as aroma chemicalBASF SE·Filed 2015·Granted Oct 2, 2018·17 cites·8 claims
- 0595US5266592ACompositions which have a physiological cooling effect, and active compounds suitable for these compositionsHAARMANN & REIMER GMBH·Filed 1992·Granted Nov 30, 1993·483 cites·5 claims
- 0694US9765003B2Process for producing 2,6-dimethyl-5-hepten-1-alBASF SE·Filed 2015·Granted Sep 19, 2017·6 cites·14 claims
- 0794US5585091AUse of benzazoles UV absorbers, new benzazoles and a process for their preparationHAARMANN & REIMER GMBH·Filed 1995·Granted Dec 17, 1996·91 cites·5 claims
- 0893US10202323B2Process for preparing an arylpropeneBASF SE·Filed 2016·Granted Feb 12, 2019·7 cites·21 claims
- 0993US8450534B2Process for preparing 4-cyclohexyl-2-methyl-2-butanolEBEL KLAUS·Filed 2011·Granted May 28, 2013·12 cites·18 claims
- 1091US10144691B2Process for preparing 1-[(1R,4R/S,8S)-10,10-dimethyl-7-methylene-4-bicyclo[6.2.0]decanyl]ethanoneBASF SE·Filed 2015·Granted Dec 4, 2018·4 cites·6 claims
- 1191US8618315B2Method for producing 2-substituted tetrahydropyranolsGRALLA GABRIELE·Filed 2010·Granted Dec 31, 2013·11 cites·15 claims
- 1290US10112882B2Use of novel cyclic carbaldeydes as an aromatic substanceBASF SE·Filed 2015·Granted Oct 30, 2018·6 cites·14 claims
- 1390US9920007B2Process for the preparation of 1-(2,6,6-trimethylcyclohexyl)-alkan-3-olsBASF SE·Filed 2015·Granted Mar 20, 2018·4 cites·15 claims
- 1489US9950982B21-(7,10,10-trimethyl-4-bicyclo(6.2.0)decanyl)ethanone as novel aroma chemicalBASF SE·Filed 2015·Granted Apr 24, 2018·3 cites·17 claims
- 1588US10308580B2Process for preparing an arylpropeneBASF SE·Filed 2016·Granted Jun 4, 2019·3 cites·21 claims
- 1686US10106477B2Process for preparing 1,4-bis(ethoxymethyl)cyclohexaneBASF SE·Filed 2016·Granted Oct 23, 2018·3 cites·14 claims
- 1786US9340754B2Process for the preparation of cyclohexyl-substituted tertiary alkanolsBASF SE·Filed 2013·Granted May 17, 2016·3 cites·15 claims
- 1885US9765001B2Method for producing arylpropenesBASF SE (Herzog Fiesser & Partner)·Filed 2015·Granted Sep 19, 2017·4 cites·14 claims
- 1984US9139549B2Process for the integrated preparation of 2-substituted 4-hydroxy-4-methyltetrahydropyrans and of 2-substituted 4-MethyltetrahydropyransBASF SE·Filed 2013·Granted Sep 22, 2015·5 cites·21 claims
- 2084US8410293B2Process for the preparation of cyclic enol ethersEBEL KLAUS·Filed 2012·Granted Apr 2, 2013·5 cites·7 claims
- 2183US9056812B2Process for preparing 4-cyclohexyl-2-methyl-2-butanolSCHUCH RUDOLF·Filed 2012·Granted Jun 16, 2015·5 cites·18 claims
- 2283US8779169B2Process for the preparation of 2 substituted tetrahydropyranolsGRALLA GABRIELE·Filed 2011·Granted Jul 15, 2014·4 cites·18 claims
- 2382US11434220B2Use of physiological cooling active ingredients, and compositions comprising such active ingredientsBASF SE·Filed 2018·Granted Sep 6, 2022·1 cites·16 claims
- 2481US10023550B2Production of 2-substituted 4-hydroxy-4-methyltetrahydropyrans having stable odoriferous qualityBASF SE·Filed 2015·Granted Jul 17, 2018·2 cites·22 claims
- 2580US11542221B2α, α-disubstituted carboxylic acid esters for use as aroma chemicalsBASF SE·Filed 2019·Granted Jan 3, 2023·1 cites·21 claims
- 2680US9428481B2Process for the preparation of 2 substituted tetrahydropyranolsBASF SE·Filed 2014·Granted Aug 30, 2016·2 cites·18 claims
- 2780US8648031B2Macrocyclic lactonesEBEL KLAUS·Filed 2012·Granted Feb 11, 2014·3 cites·8 claims
- 2878US10106517B2Method for producing tetrahydropyranyl estersBASF SE·Filed 2016·Granted Oct 23, 2018·2 cites·19 claims
- 2977US10398159B2Low molecular weight modulators of the cold menthol receptor TRPM8 and use thereofBASF SE·Filed 2017·Granted Sep 3, 2019·1 cites·8 claims
- 3077US9217121B2Use of 4,8 dimethyl-3,7 nonadien-2-ol as fragranceBASF SE·Filed 2014·Granted Dec 22, 2015·2 cites·17 claims
- 3173US8367875B2Process for the preparation of m-substituted alkyltoluenes by isomerization with ionic liquids as catalystsBASF SE·Filed 2011·Granted Feb 5, 2013·1 cites·18 claims
- 3272US2022089559A1Process for the preparation of unsaturated carboxylic acids by carbonylation of allyl alcohols and their acylation productsBASF SE·Filed 2021·Application pending·0 cites
- 3371US11542217B2Dodeca-4,8,11-trien-1-ol and its use as aroma chemicalBASF SE·Filed 2019·Granted Jan 3, 2023·0 cites·16 claims
- 3469US2024240106A11,4-butanediol mono- or diesters for use as aroma chemicalsBASF SE·Filed 2022·Application pending·0 cites
- 3568US12492355B22,4-diethylocta-2,6-dienal and its use as aroma chemicalBASF SE·Filed 2020·Granted Dec 9, 2025·0 cites·15 claims
- 3668US8617376B2Process for the electrochemical preparation of gamma-hydroxycarboxylic esters and gamma-lactonesMALKOWSKY ITAMAR MICHAEL·Filed 2012·Granted Dec 31, 2013·1 cites·13 claims
- 3767US11044931B2Low molecular weight modulators of the cold menthol receptor TRPM8 and use thereofBASF SE·Filed 2019·Granted Jun 29, 2021·0 cites·10 claims
- 3867US8692025B2Process for preparing M- or P-substituted phenylalkanols by alkylationLANVER ANDREAS·Filed 2010·Granted Apr 8, 2014·1 cites·15 claims
- 3967US2025092331A1Compositions comprising 4-isopropyl-1-methyl-7-oxabicyclo[2.2.1]heptan-2-ol or esters or ethers thereof and their use as aroma chemicalsBASF SE·Filed 2023·Application pending·0 cites
- 4066US10669508B2Use of 1-[(4R)-4-methylcyclohexen-1-yl]ethanone as an aroma chemicalBASF SE·Filed 2017·Granted Jun 2, 2020·0 cites·9 claims
- 4166US9452962B2Ethers of bis(hydroxymethyl)cyclohexanesPELZER RALF·Filed 2012·Granted Sep 27, 2016·1 cites·33 claims
- 4266US8563781B2Process for preparing ketones, in particular macrocyclic ketonesSCHELPER MICHAEL·Filed 2011·Granted Oct 22, 2013·1 cites·15 claims
- 4366US2014100376A1Process for the electrochemical preparation of gamma-hydroxycarboxylic esters and gamma-lactonesBASF SE·Filed 2013·Application pending·0 cites
- 4465US2021381013A1Enzymatic cyclization of homofarnesylic acidBASF SE·Filed 2020·Application pending·0 cites
- 4565US2025368600A1Use of cyclohomogeranate esters as aroma chemicalsBASF SE·Filed 2023·Application pending·0 cites
- 4665US2024400497A1Derivatives from 2,5,6-trimethylcyclohex-2-en-1-ol as aroma ingredientsBASF SE·Filed 2022·Application pending·0 cites
- 4764US11192873B2Process for the preparation of unsaturated carboxylic acids by carbonylation of allyl alcohols and their acylation productsBASF SE·Filed 2018·Granted Dec 7, 2021·0 cites·40 claims
- 4864US9040592B2Process for preparing 4-cyclohexyl-2-methyl-2-butanolBASF SE·Filed 2013·Granted May 26, 2015·0 cites·7 claims
- 4964US2025011274A1Use of 1-(4- tert- butyl cyclohexyl) propyl acetate as aroma ingredientBASF SE·Filed 2022·Application pending·0 cites
- 5063US8686193B2Method for producing M-substituted phenylalkanols by means of isomerizationLANVER ANDREAS·Filed 2010·Granted Apr 1, 2014·1 cites·17 claims
Showing the top 50 of 106 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →