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: 12551420
    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: Grant
    Filed: September 30, 2021
    Date of Patent: February 17, 2026
    Assignee: BASF SE
    Inventors: Melanie Weingarten, Wolfgang Siegel, Ralf Pelzer, Miriam Bru Roig
  • Patent number: 12492355
    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: Grant
    Filed: December 16, 2020
    Date of Patent: December 9, 2025
    Assignee: BASF SE
    Inventors: Ralf Pelzer, Florian Garlichs, Silke Weyland, Jens Wittenberg, Wolfgang Siegel
  • Publication number: 20250368600
    Abstract: The present invention relates to the use of compound of formula (I) as an aroma chemical to impart a woody note, fruity note, herbal note, green note, rooty note, citrus note, petitgrain note, floral note, damascone note, tobacco note, ashtray note, gourmand note, sweet note, vetiver note, ionone note, ambra note, fresh note, natural note, fir needle note, camphoraceous note, or any combination of two or more of these impressions to composition and also for enhancing and/or modifying the aroma of a composition. The present invention is further directed to a composition comprising at least one compound of formula (I) and (i) at least one aroma chemical different from the compound of formula (I) or (ii) at least one non-aroma chemical carrier, or (iii) both (i) and (ii).
    Type: Application
    Filed: June 21, 2023
    Publication date: December 4, 2025
    Inventors: Mathias SCHELWIES, Bernhard BRUNNER, Ralf PELZER, Florian GARLICHS, Miriam BRU ROIG, Benjamin LIST, Mathias TURBERG
  • Publication number: 20250368599
    Abstract: The present invention relates to a process for the preparation of cyclohomogeranates. The invention relates to the synthesis of cyclohomogeranates from well available esters of homogeranic acid in only one step. The cyclohomogeranates prepared according to the process of the present invention can be used in the fragrance industry as intermediates or the compounds can be used as such as aroma compound.
    Type: Application
    Filed: June 21, 2023
    Publication date: December 4, 2025
    Inventors: Mathias SCHELWIES, Bernhard BRUNNER, Ralf PELZER, Benjamin LIST, Mathias TURBERG, Benjamin MITSCHKE, Sayantani DAS, Chandra Kanta DE
  • Patent number: 12467014
    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: Grant
    Filed: December 16, 2020
    Date of Patent: November 11, 2025
    Assignee: BASF SE
    Inventors: Fulvio Giacomo Brunetti, Christoph Stock, Ralf Pelzer, Silke Weyland, Florian Garlichs, Maria Daniela Gamero
  • Patent number: 12421203
    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: Grant
    Filed: December 15, 2020
    Date of Patent: September 23, 2025
    Assignee: BASF SE
    Inventors: Miriam Bru Roig, Florian Garlichs, Manuel Danz, Ralf Pelzer, Helmut Kronemayer, Volker Hickmann, Melanie Weingarten
  • Publication number: 20250223511
    Abstract: The present invention relates mixture of compound of formula (A) and compound of formula (B) and its use as aroma ingredient. The mixture is used to impart an aroma impression which is reminiscent of woody note, pine like note, amber note, fresh note, musky note, fruity note, green note, floral note, powdery note, spicy note, smokey note, or any combination of two or more of these notes. It is also used for enhancing and/or modifying the aroma of a composition. The present invention is further directed to a composition comprising the mixture and (i) at least one aroma chemical different from compound of formula (I) or (ii) at least one non-aroma chemical carrier, or (iii) both (i) and (ii).
    Type: Application
    Filed: October 10, 2022
    Publication date: July 10, 2025
    Inventors: Bernhard BRUNNER, Miriam BRU ROIG, Ralf PELZER, Florian GARLICHS, Mathias SCHELWIES
  • Patent number: 12319647
    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: Grant
    Filed: July 8, 2020
    Date of Patent: June 3, 2025
    Assignee: BASF SE
    Inventors: Melanie Weingarten, Wolfgang Siegel, Silke Weyland, Ralf Pelzer
  • Patent number: 12297169
    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: Grant
    Filed: June 19, 2020
    Date of Patent: May 13, 2025
    Inventors: Ralf Pelzer, Wolfgang Siegel, Miriam Bru Roig, Manuel Danz, Silke Weyland, Florian Garlichs, Volker Hickmann, Melanie Weingarten
  • Patent number: 12291690
    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: Grant
    Filed: October 15, 2019
    Date of Patent: May 6, 2025
    Assignee: BASF SE
    Inventors: Christoph Stock, Miriam Bru Roig, Ralf Pelzer, Florian Garlichs, Manuel Danz
  • Publication number: 20250136539
    Abstract: The present invention relates to use of at least one compound of formula (I) or stereoisomer thereof wherein R is linear or branched C1-C9 alkyl, linear or branched C2-C9 alkenyl, unsubstituted or C1-C3 alkyl-substituted C4-C8 cycloalkyl or substituted or unsubstituted aryl as aroma ingredient. The at least one compound of formula (I) may be used to impart an aroma impression which is reminiscent of a fruity note, green pear note, apple note, juicy—fruity note, styrax note pineapple note, dusty note, watery note, or a combination of two or more notes to a composition and also to enhance and/or modify the aroma of a composition. The present invention is further directed to a composition comprising at least one compound of formula (I) and (i) at least one aroma chemical different from compound of formula (I) and/or (ii) at least one non-aroma chemical carrier. It is also directed to certain compounds of formula (I) per se and processes of their preparation.
    Type: Application
    Filed: September 27, 2022
    Publication date: May 1, 2025
    Inventors: Jens WITTENBERG, Wolfgang SIEGEL, Ralf PELZER, Miriam BRU ROIG, Florian GARLICHS
  • Publication number: 20250092331
    Abstract: The present invention relates to the use of compositions comprising 4-isopropyl-1-methyl-7-oxabicyclo[2.2.1]heptan-2-ol or specific esters or ethers thereof and 3-isopropyl-6-methyl-cyclohex-2-en-1-one, or of 4-isopropyl-1-methyl-7-oxabic yclo[2.2.1]heptan-2-ol or specific esters or ethers thereof as aroma chemicals or for modifying and/or enhancing the aroma of a composition. The invention relates moreover to compositions comprising 4-isopropyl-1-methyl-7-oxabicyclo[2.2.1]heptan-2-ol or specific esters or ethers thereof and 3-isopropyl-6-methyl-cyclohex-2-en-1-one, to specific compositions comprising 4-isopropyl-1-methyl-7-oxabicyclo[2.2.1]heptan-2-ol, and to specific esters or ethers of 4-isopropyl-1-methyl-7-oxabicyclo[2.2.1]heptan-2-ol.
    Type: Application
    Filed: January 25, 2023
    Publication date: March 20, 2025
    Inventors: Miriam BRU ROIG, Florian GARLICHS, Ralf PELZER, Fabian HUNDEMER, Stefan BENSON
  • Patent number: 12234206
    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 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 bi- or
    Type: Grant
    Filed: December 17, 2019
    Date of Patent: February 25, 2025
    Assignees: BASF SE, P2 Science Inc.
    Inventors: Ralf Pelzer, Yonghua Yang, Patrick Foley
  • Publication number: 20250011274
    Abstract: The present invention relates to the compound of formula (I) and its use as aroma ingredient. Compound of formula (I) is used to impart an aroma impression which is reminiscent of animalic note, musty note, powdery note, woody note, warm note, and also enhancing and/or modifying the aroma of a composition. The present invention is further directed to a composition comprising compound of formula (I) and (i) at least one aroma chemical different from compound of formula (I) or (ii) at least one non-aroma chemical carrier, or (iii) both (i) and (ii).
    Type: Application
    Filed: August 17, 2022
    Publication date: January 9, 2025
    Inventors: Christoph STOCK, Miriam BRU ROIG, Ralf PELZER, Florian GARLICHS, Jens WITTENBERG
  • Publication number: 20240400497
    Abstract: The present invention relates to a compound of formula (I) and its use as an aroma chemical to impart a floral note, fruity note, herbal note, animalic note, sweet note, rose note, grapefruit note, gourmand note, natural note, powdery note, watery note, damascene like note, dried fruit note, woody note, spicy note, red berry like note, animalic note, minty note, musty note, earthy note, leather like note, nutty note, technical note, ambrinol note, or any combination of two or more of these impression to a composition. The present invention further relates to the use of compound of formula (I) as an aroma chemical to impart an aroma to a composition and also for enhancing and/or modifying the aroma of a composition. The present invention is further directed to a composition comprising at least one compound of formula (I) and (i) at least one aroma chemical different from the compound of formula (I) or (ii) at least one non-aroma chemical carrier, or (iii) both (i) and (ii).
    Type: Application
    Filed: September 26, 2022
    Publication date: December 5, 2024
    Inventors: Melanie WEINGARTEN, Wolfgang SIEGEL, Miriam BRU ROIG, Ralf PELZER
  • Publication number: 20240343992
    Abstract: The present invention relates to use of at least one compound of formula (I) as aroma ingredient. The compound of formula (I) is used to impart an aroma impression which is reminiscent of a sweet note, technical note, tobacco note, balsamic note, herbal note, fruity note, woody note, pine needle note, eucalyptus note, powdery note, or a combination of two or more notes to a composition and also enhancing and/or modifying the aroma of a composition. The present invention is further directed to a composition comprising compound of formula (I) and (i) at least one aroma chemical different from compound of formula (I) or (ii) at least one non-aroma chemical carrier, or (iii) both (i) and (ii).
    Type: Application
    Filed: August 10, 2022
    Publication date: October 17, 2024
    Inventors: Christoph STOCK, Ralf PELZER, Miriam BRU ROIG, Florian GARLICHS, Regina-Margareta BERG
  • Publication number: 20240300879
    Abstract: The present invention relates to use of 2,3,6-Trimethyl-2-cyclohexen-1-one as aroma Ingredient. 2,3,6-Trimethyl-2-cyclohexen-1-one is used to impart an aroma impression which is reminiscent of animalic note, woody note, floral note, green note, minty note, dusty note, phenolic note, and/or camphoraceous note to a composition and also enhancing and/or modifying the aroma of a composition. The present invention is further directed to an aroma composition comprising 2,3,6-Trimethyl-2-cyclohexen-1-one and (i) at least one aroma chemical different from the 2,3,6-Trimethyl-2-cyclohexen-1-one or (ii) at least one non-aroma chemical carrier, or (iii) both (i) and (ii).
    Type: Application
    Filed: July 11, 2022
    Publication date: September 12, 2024
    Inventors: Melanie WEINGARTEN, Wolfgang SIEGEL, Ralf PELZER, Miriam BRU ROIG, Florian GARLICHS
  • Publication number: 20240271058
    Abstract: The present invention relates to a compound of formula (I) which is used as an aroma chemical to impart a sweet, tonka, acacia, woody kind of impression to a composition. The present invention further relates to the use of compound of formula (I) as an aroma chemical to impart a sweet, tonka, acacia and/or woody kind impression to a composition and also for enhancing and/or modifying the aroma of a composition. The present invention is further directed to a composition comprising at least one compound of formula (I) and (i) at least one aroma chemical different from the compound of formula (I) or (ii) at least one non-aroma chemical carrier, or (iii) both (i) and (ii).
    Type: Application
    Filed: May 27, 2022
    Publication date: August 15, 2024
    Inventors: Mathias SCHELWIES, Bernhard BRUNNER, Ralf PELZER
  • Publication number: 20240240106
    Abstract: The present invention relates to the use of 1,4-butanediol mono- or diesters of the formula (I) R1—O—(CH2)4—O—C(?O)—R2 where R1 is hydrogen or —C(?O)—R3; and R2 and R3 are independently C1-C2-alkyl; or of a mixture of different compounds (I) as aroma chemicals; to the use thereof for modifying and/or enhancing the aroma of a composition, to a composition comprising such 1.4-butanediol mono- and/or diesters and to a method for preparing an aromatized composition using said 1,4-butanediol mono- and/or diesters.
    Type: Application
    Filed: May 25, 2022
    Publication date: July 18, 2024
    Inventors: Christoph STOCK, Florian GARLICHS, Ralf PELZER, Miriam BRU ROIG
  • Publication number: 20240199516
    Abstract: The present invention relates to dialkylpentene ether and dialkylpentadiene ether derivatives as fragrances. Specifically, it relates to the use of the ether derivatives as an aroma chemical and also for enhancing and/or modifying the aroma of a composition. The present invention is further directed to a composition comprising at least one dialkylpentene ether or dialkylpentadiene ether derivative and (i) at least one aroma chemical different from the dialkylpentene ether and dialkylpentadiene ether derivative or (ii) at least one non-aroma chemical carrier, or (iii) both (i) and (ii).
    Type: Application
    Filed: March 29, 2022
    Publication date: June 20, 2024
    Inventors: Wolfgang KRAUSE, Ralf PELZER, Gunnar HEYDRICH, Bernhard BRUNNER