Patents by Inventor Volker Hickmann

Volker Hickmann 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).

  • 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
  • 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
  • Publication number: 20220135901
    Abstract: The present invention relates to the use of (3-hydroxy-2,2-dimethyl-propyl) acetate for enhancing and/or modifying the aroma of (3-acetoxy-2,2-dimethyl-propyl) acetate. The invention further relates to the use of (3-acetoxy-2,2-dimethyl-propyl) acetate in combination with (3-hydroxy-2,2-dimethyl-propyl) acetate as an aroma chemical and for enhancing and/or modifying the aroma of a composition. The present invention further relates to compositions comprising (3-acetoxy-2,2-dimethyl-propyl) acetate combined with (3-hydroxy-2,2-dimethyl-propyl) acetate and at least one aroma chemical and/or at least one non-aroma chemical carrier.
    Type: Application
    Filed: February 14, 2020
    Publication date: May 5, 2022
    Inventors: Volker HICKMANN, Manuel DANZ, Florian GARLICHS
  • 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
  • Patent number: 11261145
    Abstract: The present invention relates to a process for preparing bromotrichloromethane comprising a) providing bromine in chloroform; and b) radiation of the resulting solution with light in the range of 350 to 550 nm, wherein said solution of bromine in chloroform is not radiated with radiation of a wavelength below 350 nm.
    Type: Grant
    Filed: March 12, 2018
    Date of Patent: March 1, 2022
    Assignee: BASF SE
    Inventors: Bernd Schaefer, Roland Goetz, Volker Hickmann, Volker Maywald, Daniel Saelinger
  • Publication number: 20210300858
    Abstract: The present invention relates to a process for providing carbonic acid esters of formula (I). Further, the invention relates to the intermediates of the formula (IVa).
    Type: Application
    Filed: August 5, 2019
    Publication date: September 30, 2021
    Inventors: Volker Hickmann, Wolfgang Siegel, Markus Jegelka, Eva Katharina Hackemann, Stephanie Renz, Manuel Danz, Stephan Maurer
  • 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
  • Publication number: 20210188748
    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: Application
    Filed: October 4, 2018
    Publication date: June 24, 2021
    Inventors: Volker HICKMANN, Shrirang HINDALEKAR, Nitin GUPTE, Sadanand ARDEKAR, Wolfgang SIEGEL, Vijay Narayanan SWAMINATHAN, Ralf PELZER
  • Patent number: 10981885
    Abstract: The present invention relates to tetrahydropyranyl lower akyl esters and specifically to tetrahydropyranyl acetates, a method for preparation thereof using ketene and use thereof as fragrances and aroma substances.
    Type: Grant
    Filed: May 30, 2017
    Date of Patent: April 20, 2021
    Inventors: Volker Hickmann, Timon Stork, Stefan Ruedenauer, Ralf Pelzer
  • Patent number: 10913704
    Abstract: The present invention relates to 2,3,7-Trimethyloct-6-enyl acetate and 3,7-dimethyl-2-methylene-oct-6-enyl acetate and derivatives thereof and their use as aroma chemicals.
    Type: Grant
    Filed: May 4, 2018
    Date of Patent: February 9, 2021
    Inventors: Volker Hickmann, Stefan Ruedenauer, Ralf Pelzer, Vijay Narayanan Swaminathan, Shrirang Hindalekar, Nitin Gupte, Sadanand Ardekar, Mileen Kadam
  • Publication number: 20200325112
    Abstract: The present invention relates to tetrahydropyranyl lower akyl esters and specifically to tetrahydropyranyl acetates, a method for preparation thereof using ketene and use thereof as fragrances and aroma substances.
    Type: Application
    Filed: May 30, 2017
    Publication date: October 15, 2020
    Inventors: VOLKER HICKMANN, Timon STORK, Stefan RUEDENAUER, Ralf PELZER
  • Publication number: 20200308094
    Abstract: The present invention relates to a method for preparing acetate compounds using ketene.
    Type: Application
    Filed: December 17, 2018
    Publication date: October 1, 2020
    Inventors: Volker HICKMANN, Sumana ROY, Dominik HERBRECHT, Michael ACKER, Wolfgang KRAUSE, Ralf BOEHLING, Timon STORK, Stefan RUEDENAUER, Ralf PELZER
  • Publication number: 20200190014
    Abstract: The present invention relates to 2,3,7-Trimethyloct-6-enyl acetate and 3,7-dimethyl-2-methylene-oct-6-enyl acetate and derivatives thereof and their use as aroma chemicals.
    Type: Application
    Filed: May 4, 2018
    Publication date: June 18, 2020
    Inventors: Volker HICKMANN, Stefan RUEDENAUER, Ralf PELZER, Vijay Narayanan SWAMINATHAN, Shrirang HINDALEKAR, Nitin GUPTE, Sadanand ARDEKAR, Mileen KADAM
  • Publication number: 20200071246
    Abstract: The present invention relates to a process for preparing bromotrichloromethane comprising a) providing bromine in chloroform; and b) radiation of the resulting solution with light in the range of 350 to 550 nm, wherein said solution of bromine in chloroform is not radiated with radiation of a wavelength below 350 nm.
    Type: Application
    Filed: March 12, 2018
    Publication date: March 5, 2020
    Inventors: Bernd SCHAEFER, Roland GOETZ, Volker HICKMANN, Volker MAYWALD, Daniel SAELINGER
  • Publication number: 20190169108
    Abstract: The invention relates to compounds of formula (A) as defined herein, and esters of the compound of formula (A), and ketones of the compound of formula (A). The invention further relates to a method for preparing compounds of formula (A) and esters of the compound of formula (A), and ketones of the compound of formula (A). The invention further relates to the use of at least one compound selected from compounds of formula (A) and the esters of a compound of formula (A) and the ketones of a compound of formula (A) as aroma chemical.
    Type: Application
    Filed: August 3, 2017
    Publication date: June 6, 2019
    Inventors: VOLKER HICKMANN, Stefan RUEDENAUER, Ralf PELZER, Vijay Narayanan SWAMINATHAN, Shrirang HINDALEKAR, Nitin GUPTE, Sadanand ARDEKAR, Mileen KADAM
  • Patent number: 10106517
    Abstract: The present invention relates to a method for preparing tetrahydropyranyl esters from the corresponding 4-hydroxytetrahydropyran compounds by reaction with a ketene compound.
    Type: Grant
    Filed: March 4, 2016
    Date of Patent: October 23, 2018
    Assignee: BASF SE
    Inventors: Stefan Rüdenauer, Timon Stork, Ralf Pelzer, Volker Hickmann, Margarethe Klos
  • Publication number: 20180044313
    Abstract: The present invention relates to a method for preparing tetrahydropyranyl esters from the corresponding 4-hydroxytetrahydropyran compounds by reaction with a ketene compound.
    Type: Application
    Filed: March 4, 2016
    Publication date: February 15, 2018
    Inventors: STEFAN RUDENAUER, Timon STORK, Ralf PELZER, Volker HICKMANN, Margarethe KLOS
  • Patent number: 9856199
    Abstract: The present invention relates to a process for reacting isopulegol to menthone in the gas phase and to the use of the reaction products thus prepared as additives in foods, cosmetics, pharmaceutical products, tobacco formulations, household products, and laundry care products.
    Type: Grant
    Filed: March 6, 2015
    Date of Patent: January 2, 2018
    Assignee: BASF SE
    Inventors: Volker Hickmann, Stefan Rüdenauer, Martine Dehn, Andreas Keller, Stephanie Renz, Daniel Schneider
  • Patent number: 9765238
    Abstract: Coating compositions comprising a compound having at least two cyclic carbonate groups and a siloxane group (called “carbonate compound”).
    Type: Grant
    Filed: July 11, 2014
    Date of Patent: September 19, 2017
    Assignee: BASF SE
    Inventors: Rainer Klopsch, Andreas Lanver, Christina Haaf-Kleinhubbert, Verena Mormul, Volker Hickmann
  • Publication number: 20170066705
    Abstract: The present invention relates to a process for reacting isopulegol to menthone in the gas phase and to the use of the reaction products thus prepared as additives in foods, cosmetics, pharmaceutical products, tobacco formulations, household products, and laundry care products.
    Type: Application
    Filed: March 6, 2015
    Publication date: March 9, 2017
    Inventors: Volker HICKMANN, Stefan RÜDENAUER, Martine DEHN, Andreas KELLER, Stephanie RENZ, Daniel SCHNEIDER