Patents by Inventor Ralf Pelzer

Ralf Pelzer has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11434220
    Abstract: The invention relates primarily to a method of modulation, preferably of in vitro and/or in vivo modulation, of the cold menthol receptor TRPM8, wherein the receptor is contacted with at least one modulator selected from the group consisting of the compounds of the structure type 1 described herein. The present invention further relates to corresponding uses and compositions comprising such compounds.
    Type: Grant
    Filed: August 31, 2018
    Date of Patent: September 6, 2022
    Assignees: BASF SE, SYMRISE AG
    Inventors: Benoît Join, Jekaterina Ongouta, Michael Backes, Rahim Brodhage, Arnold Machinek, Hubert Loges, Susanne Mundt, Tom Somers, Thomas Subkowski, Jens Wittenberg, Martin Weisel, Wolfgang Siegel, Claus Bollschweiler, Ralf Pelzer
  • Publication number: 20220274904
    Abstract: The present invention relates to 2-(2,4,5-trimethylcyclohex-2-en-1-yl)acetaldehyde and derivatives thereof, to a process for preparing said compounds, to the use of 2-(2,4,5-trimethylcyclohex-2-en-1-yl)acetaldehyde or a specific derivative thereof or of mixtures of said compounds or of a stereoisomer thereof or of a mixture of two or more stereoisomers thereof as aroma chemicals; to the use of 2-(2,4,5-trimethylcyclohex-2-en-1-yl)acetaldehyde or a specific derivative thereof for modifying the scent character of a fragranced composition; to compositions containing 2-(2,4,5-trimethylcyclohex-2-en-1-yl)acetaldehyde or a specific derivative thereof or a mixture of said compounds or a stereoisomer thereof or a mixture of two or more stereoisomers thereof; and to a method of preparing a fragranced composition or for modifying the scent character of a fragranced composition, comprising incorporating 2-(2,4,5-trimethylcyclohex-2-en-1-yl)-acetaldehyde or a specific derivative thereof or a mixture of said compounds or
    Type: Application
    Filed: July 8, 2020
    Publication date: September 1, 2022
    Inventors: Melanie WEINGARTEN, Wolfgang SIEGEL, Silke WEYLAND, Ralf PELZER
  • Publication number: 20220251014
    Abstract: The presently claimed invention is directed to the use of 1-alkoxyethyl-4-isobutyl-benzene of formula (I) to impart an aroma impression to a composition. The presently claimed invention also relates to a method of imparting such aroma impression. The present invention is further directed to compositions comprising the compound of formula (I) and at least one aroma chemical as well as to compositions comprising the compound of formula (I) and at least one further component selected from the group consisting of aroma chemicals, surfactants, oil components, anti-oxidants, deodorant-active agents and solvents. The present invention also relates to a compound of formula (I?).
    Type: Application
    Filed: June 19, 2020
    Publication date: August 11, 2022
    Inventors: Ralf PELZER, Wolfgang SIEGEL, Miriam BRU ROIG, Manuel DANZ, Silke WEYLAND, Florian GARLICHS, Volker HICKMANN, Melanie WEINGARTEN
  • Patent number: 11365168
    Abstract: The present invention relates to a method for preparing 5-aryl pentanols from 2-aryl-4-hydroxytetrahydropyrans as starting materials.
    Type: Grant
    Filed: January 10, 2020
    Date of Patent: June 21, 2022
    Assignee: BASF SE
    Inventors: Christoph Stock, Irene De Wispelaere, Bernhard Brunner, Wolfgang Krause, Ralf Pelzer
  • Publication number: 20220154099
    Abstract: The present invention is directed to the use 4,8,11-dodecatrienal to impart a clean aroma impression to a composition. The present invention is further directed to compositions comprising 4,8,11-dodecatrienal and at least one aroma chemical as well as to compositions comprising 4,8,11-dodecatrienal and at least one further component selected from the group consisting of aroma chemicals, surfactants, oil components, anti-oxidants, deodorant-active agents and solvents, wherein the composition does not comprise 1,5,9-cyclododecatriene.
    Type: Application
    Filed: March 13, 2020
    Publication date: May 19, 2022
    Inventors: Heike BRUESER, Ralf PELZER, Florian GARLICHS, Silke WEYLAND
  • Publication number: 20220106243
    Abstract: The present invention relates to a method for preparing 5-aryl pentanols from 2-aryl-4-hydroxytetrahydropyrans as starting materials.
    Type: Application
    Filed: January 10, 2020
    Publication date: April 7, 2022
    Inventors: Christoph STOCK, Irene DE WISPELAERE, Bernhard BRUNNER, Wolfgang KRAUSE, Ralf PELZER
  • Patent number: 11286224
    Abstract: The present invention relates to a method for preparing a compound of formula (I). The present invention also relates to compounds of formula (A) or a compound in the form of a stereoisomer. The present invention further relates to the use of a compound of formula (A) as aroma chemical.
    Type: Grant
    Filed: October 4, 2018
    Date of Patent: March 29, 2022
    Assignee: BASF SE
    Inventors: Volker Hickmann, Shrirang Hindalekar, Nitin Gupte, Sadanand Ardekar, Wolfgang Siegel, Vijay Narayanan Swaminathan, Ralf Pelzer
  • Publication number: 20220089559
    Abstract: The present invention relates to a process for carbonylating allyl alcohols at low temperature, low pressure and/or low catalyst loading. In an alternative embodiment, an acylation product of the allyl alcohol is used for the carbonylation. The present invention likewise relates to the preparation of conversion products of these carbonylation products and specifically of (?)-ambrox.
    Type: Application
    Filed: December 6, 2021
    Publication date: March 24, 2022
    Inventors: Mathias SCHELWIES, Rocco PACIELLO, Ralf PELZER, Wolfgang SIEGEL
  • Publication number: 20220064095
    Abstract: The present invention relates to bi- and tricyclic compounds of the general formula (I) (I) wherein the dashed lines independently of each other represent a single or a double bond, X represents a group of the formulae X1 to X3 wherein the asterisk denotes the point of attachment to the rest of the molecule, R1a and R1b, independently of each other, are selected from hydrogen or methyl, or R1a together with R1b with R form a methylene or ethylene group, R2, R3a, R3b, R4, R5a and R5b, independently of each other, are selected from hydrogen or methyl, R6 is selected from hydrogen, methyl or ethyl, and R7 is methyl or ethyl, to a method of preparing said compounds, to the use of a bi- or tricyclic compounds or of mixtures of two or more bi- and tricyclic compounds or of a stereoisomer thereof or of a mixture of two or more stereoisomers thereof as aroma chemicals; to the use of a bi- or tricyclic compound for modifying the scent character of a fragranced composition; to an aroma chemical composition containing a
    Type: Application
    Filed: December 17, 2019
    Publication date: March 3, 2022
    Inventors: Ralf PELZER, Yonghua YANG, Patrick FOLEY
  • Publication number: 20220048842
    Abstract: The present invention relates to dodeca-4,8,11-trien-1-ol and a method of preparing same, to the use of dodeca-4,8,11-trien-1-ol as aroma chemical; to the use of dodeca-4,8,11-trien-1-ol for preparing an aroma chemical composition or for modifying the aroma character of an aroma chemical composition; to an aroma chemical composition containing dodeca-4,8,11-trien-1-ol; and to a method of preparing an aromatized composition or for modifying the aroma character of an aromatized composition.
    Type: Application
    Filed: December 10, 2019
    Publication date: February 17, 2022
    Inventors: Miriam BRU ROIG, Ralf PELZER, Florian GARLICHS
  • Publication number: 20210403826
    Abstract: The present invention relates to aroma chemical compositions containing 3,5-diethyl-2-propyl-tetrahydropyran, a 3,5-diethyl-2-propyl-dihydropyran or a 3,5-diethyl-2-propyl-pyran, a mixture of such compounds, a stereoisomer of one of these compounds, or a mixture of stereoisomers of one or more of these compounds. The invention further relates to a method for preparing such compounds, stereoisomers or mixtures thereof, to the composition obtainable by this method, to the use of such compounds as an aroma chemical or for modifying the scent character of a fragranced composition; and to a method for preparing a fragranced composition or for modifying the scent character of a fragranced composition using said compounds. Moreover, the invention relates to 3,5-diethyl-2-propyl-tetrahydropyran, to its stereoisomers and to mixtures of these stereoisomers.
    Type: Application
    Filed: October 5, 2018
    Publication date: December 30, 2021
    Inventors: Nicolas MARION, Rolf PINKOS, Stefan RUEDENAUER, Florian GARLICHS, Ralf PELZER, Roman DOSTALEK, Joachim PFEFFINGER, Anja VINCKIER, Stephanie RENZ, Christoph STOCK, Regina-Margareta BERG, Miriam BRU ROIG, Margarethe KLOS
  • Publication number: 20210388288
    Abstract: The present invention relates to the use of an ether or an ester of a tertiary alkanol or of mixtures of two or more ethers or esters of tertiary alkanols or of a stereoisomer thereof or of a mixture of two or more stereoisomers thereof as aromachemicals; to the use thereof for modifying the scent character of a fragranced composition; to an aroma chemical composition containing an ether or an ester of tertiary alkanol or of mixtures of two or more ethers or esters of tertiary alkanols or of a stereoisomer thereof or of a mixture of two or more stereoisomers thereof; and to a method of preparing a fragranced composition or for modifying the scent character of a fragranced composition. The invention further relates to specific ethers or esters of tertiary alkanols.
    Type: Application
    Filed: October 15, 2019
    Publication date: December 16, 2021
    Inventors: Christoph STOCK, Miriam BRU ROIG, Ralf PELZER, Florian GARLICHS, Manuel DANZ
  • Publication number: 20210381013
    Abstract: The present invention relates to processes for the preparation of sclareolide and related compounds by the biocatalytic cyclization of polyunsaturated carboxylic acid compounds, in particular of homofarnesylic acid and related compounds; and to a process for the preparation of ambroxide via the biocatalytic cyclization of homofarnesylic acid to sclareolide.
    Type: Application
    Filed: December 23, 2020
    Publication date: December 9, 2021
    Inventors: Michael BREUER, Wolfgang SIEGEL, Stefan RÜDENAUER, Ralf PELZER
  • Patent number: 11192873
    Abstract: The present invention relates to a process for carbonylating allyl alcohols at low temperature, low pressure and/or low catalyst loading. In an alternative embodiment, an acylation product of the allyl alcohol is used for the carbonylation. The present invention likewise relates to the preparation of conversion products of these carbonylation products and specifically of (?)-ambrox.
    Type: Grant
    Filed: February 13, 2018
    Date of Patent: December 7, 2021
    Assignee: BASF SE
    Inventors: Mathias Schelwies, Rocco Paciello, Ralf Pelzer, Wolfgang Siegel
  • Publication number: 20210340461
    Abstract: The present invention relates to the use of an ether or an ester of a 1-substituted cycloalkanol or of mixtures of two or more ethers or esters of 1-substituted cycloalkanols or of a stereoisomer thereof or of a mixture of two or more stereoisomers thereof as aroma chemicals; to the use thereof for modifying the scent character of a fragranced composition; to an aroma chemical composition containing an ether or an ester of a 1-substituted cycloalkanol or of mixtures of two or more ethers or esters of 1-substituted cycloalkanols or of a stereoisomer thereof or of a mixture of two or more stereoisomers thereof; and to a method of preparing a fragranced composition or for modifying the scent character of a fragranced composition. The invention further relates to specific ethers or esters of 1-substituted cycloalkanols.
    Type: Application
    Filed: October 15, 2019
    Publication date: November 4, 2021
    Inventors: Christoph STOCK, Miriam BRU ROIG, Ralf PELZER, Florian GARLICHS, Manuel DANZ
  • Publication number: 20210309599
    Abstract: The present invention relates to the use of an ?,?-disubstituted carboxylic acid ester of the general formula (I) wherein the variables are as defined in the claims and the description, or of mixtures of two or more of these ?,?-disubstituted carboxylic acid esters or of a stereoisomer thereof or of a mixture of two or more stereoisomers thereof as aroma chemicals; to the use thereof for modifying the scent character of a fragranced composition; to an aroma chemical composition containing an ?,?-disubstituted carboxylic acid ester of the general formula (I) or a mixture of two or more of said ?,?-disubstituted carboxylic acid esters or of a stereoisomer thereof or of a mixture of two or more stereoisomers thereof; and to a method of preparing a fragranced composition or for modifying the scent character of a fragranced composition. The invention further relates to specific mixtures of ?,?-disubstituted carboxylic acid esters of the general formula (I).
    Type: Application
    Filed: July 19, 2019
    Publication date: October 7, 2021
    Inventors: Manuel DANZ, Ralf PELZER, Miriam BRU ROIG, Florian GARLICHS
  • Patent number: 11123282
    Abstract: An odorant and flavoring formulation for topical application comprising, as matrix former, a mixture of at least one water-insoluble polymer from the group of homo- or co-polymers of C1-C4-carboxylic acid vinyl esters and at least one water-soluble polymer from the group of homo- or copolymers of N-vinyllactams.
    Type: Grant
    Filed: October 13, 2016
    Date of Patent: September 21, 2021
    Assignee: BASF SE
    Inventors: Karl Kolter, Ralf Pelzer, Marion Bendel, Matthias Karl
  • Patent number: 11091424
    Abstract: The present invention relates to a method for preparing acetate compounds using ketene.
    Type: Grant
    Filed: December 17, 2018
    Date of Patent: August 17, 2021
    Assignee: BASF SE
    Inventors: Volker Hickmann, Sumana Roy, Dominik Herbrecht, Michael Acker, Wolfgang Krause, Ralf Boehling, Timon Stork, Stefan Ruedenauer, Ralf Pelzer
  • Patent number: 11078146
    Abstract: The present invention relates to a method for preparing a dialkyi or dialkenyl ether of a cycloaliphatic or araliphatic diol, which comprises (i) reacting the cycloaliphatic or araliphatic diol with metallic sodium in an aprotic organic solvent in the presence of a catalytic amount of at least one monoether-monoalcohol of formula (I) wherein Y is identical or different and selected from C2-C4-alkylene, n is an integer in the range from 1 to 10, and R1 is C1-C4-Alkyl, whereby the corresponding disodium dialcoholate is obtained, reacting the disodium dialcoholate obtained in step (i) with an alkylation alkenylation reagent.
    Type: Grant
    Filed: December 3, 2018
    Date of Patent: August 3, 2021
    Assignee: BASF SE
    Inventors: Melanie Weingarten, Wolfgang Siegel, Ralf Pelzer, Florian Garlichs
  • Publication number: 20210228459
    Abstract: The present invention relates to the use of esters and/or ethers of 3-methyl-pentane-diol and unsaturated derivates thereof as aroma chemicals, to aroma chemical compositions comprising at least one ester of 3-methyl-pentan-diol and/or unsaturated derivates thereof and/or at least one ether of 3-methyl-pentan-diol and/or unsaturated derivates thereof and to a method for preparing an aroma chemical composition, in particular a fragranced composition, specifically a fragranced ready-to-use composition, which comprises incorporating at least one ester of 3-methyl-pentane-diol and/or one or more unsaturated derivates thereof and/or at least one ether 3-methyl-pentane-diol and/or one or more unsaturated derivates thereof into a composition, in particular into a ready-to-use composition.
    Type: Application
    Filed: April 26, 2019
    Publication date: July 29, 2021
    Inventors: Miriam BRU ROIG, Manuel DANZ, Ralf PELZER, Florian GARLICHS