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: 11920104
    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: Grant
    Filed: October 15, 2019
    Date of Patent: March 5, 2024
    Assignee: BASF SE
    Inventors: Christoph Stock, Miriam Bru Roig, Ralf Pelzer, Florian Garlichs, Manuel Danz
  • Publication number: 20240051905
    Abstract: The present invention relates to new bicyclic compounds as aroma chemicals. Specifically, it relates to the use of bicyclic aroma compounds as an aroma chemical and also for enhancing and/or modifying the aroma of a composition.
    Type: Application
    Filed: December 15, 2021
    Publication date: February 15, 2024
    Inventors: Ralf PELZER, Jens WITTENBERG, Wolfgang SIEGEL
  • Publication number: 20240024213
    Abstract: The presently claimed invention is directed to the use of compound 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 compositions of compound of formula (I) are also encompassed in the present invention. The present invention also relates to a compound of formula (I?).
    Type: Application
    Filed: September 30, 2021
    Publication date: January 25, 2024
    Inventors: Melanie WEINGARTEN, Wolfgang SIEGEL, Ralf PELZER, Miriam BRU ROIG
  • Publication number: 20230279560
    Abstract: The invention relates to the use of terpene C1-C8-alkyl ether compositions and novel C1-C8-alkyl ethers of mono- and bicyclic terpenes as aroma chemicals, preferably as fragrances. The invention also relates to terpene C1-C8-alkyl ether compositions and novel C1-C8-alkyl ethers of mono- and bicyclic terpenes. The present invention also relates to a method for preparing C1-C8-alkyl ethers of mono- and bicyclic terpenes by electrolysis of mono- or polyunsaturated, non-aromatic, mono- or bicyclic terpene hydrocarbons.
    Type: Application
    Filed: July 27, 2021
    Publication date: September 7, 2023
    Inventors: Axel KIRSTE, Ralf PELZER, Nicola Christiane AUST, Florian BIRK, Marco Alexander FRAATZ, Holger ZORN
  • Publication number: 20230074079
    Abstract: The present invention relates to substituted 4-methylene-tetrahydropyrans, 4-methyl-dihydropyrans and 4-methyl-tetrahydropyrans of formula (I), where the variables are as defined in the claims and description, to a stereoisomer thereof, to a mixture of stereoisomers thereof, to a mixture of different di- and tetrahydropyrans (I) and to a mixture containing at least one di- or tetrahydropyran (I) and at least one cyclic acetal which is a 1,3-dioxan carrying in 2-position an isobutanol-2-yl-(derived) substituent and in 4,4- or 5,5-position two methyl substituents. The invention also relates to the use of such compounds as an aroma chemical and/or for modifying and/or enhancing the aroma of a composition, to compositions comprising such compounds, to methods for preparing such compounds and to a product obtainable by these methods.
    Type: Application
    Filed: December 15, 2020
    Publication date: March 9, 2023
    Inventors: Miriam BRU ROIG, Florian GARLICHS, Manuel DANZ, Ralf PELZER, Helmut KRONEMAYER, Volker HICKMANN, Melanie WEINGARTEN
  • Patent number: 11591543
    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: Grant
    Filed: October 5, 2018
    Date of Patent: February 28, 2023
    Assignee: BASF SE
    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: 20230024552
    Abstract: The present invention relates to 2,4-diethylocta-2,6-dienal and a method of preparing same, to the use of 2,4-diethylocta-2,6-dienal as aroma chemical; to the use of 2,4-diethylocta-2,6-dienal for preparing an aroma chemical composition or for modifying the aroma character of an aroma chemical composition; to an aroma chemical composition containing 2,4-diethylocta-2,6-dienal; and to a method of preparing an aromatized composition or for modifying the aroma character of an aromatized composition.
    Type: Application
    Filed: December 16, 2020
    Publication date: January 26, 2023
    Inventors: Ralf PELZER, Florian GARLICHS, Silke WEYLAND, Jens WITTENBERG, Wolfgang SIEGEL
  • Patent number: 11542221
    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: Grant
    Filed: July 19, 2019
    Date of Patent: January 3, 2023
    Assignee: BASF SE
    Inventors: Manuel Danz, Ralf Pelzer, Miriam Bru Roig, Florian Garlichs
  • Patent number: 11542217
    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: Grant
    Filed: December 10, 2019
    Date of Patent: January 3, 2023
    Assignee: BASF SE
    Inventors: Miriam Bru Roig, Ralf Pelzer, Florian Garlichs
  • Publication number: 20220389348
    Abstract: The present invention relates to dodecandien-1-ol, dodecen-1-ol or mixtures thereof and a method of preparing same, to the use of dodecandien-1-ol, dodecen-1-ol or mixtures thereof as aroma chemical; to the use of dodecandien-1-ol, dodecen-1-ol or mixtures thereof for preparing an aroma chemical composition or for modifying the aroma character of an aroma chemical composition; to an aroma chemical composition containing dodecandien-1-ol, dodecen-1-ol or mixtures thereof; and to a method of preparing an aromatized composition or for modifying the aroma character of an aromatized composition.
    Type: Application
    Filed: December 16, 2020
    Publication date: December 8, 2022
    Inventors: Fulvio Giacomo BRUNETTI, Christoph STOCK, Ralf PELZER, Silke WEYLAND, Florian GARLICHS, Maria Daniela GAMERO
  • 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: BenoƮt 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