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).

  • Publication number: 20210024715
    Abstract: The present invention relates to a composition of spherical microparticles composed of a wall material and at least one cavity that comprises a gas and/or a liquid, which have pores on the surface thereof, wherein the spherical microparticles have a mean particle diameter of 10-600 ?m and wherein at least 80% of those microparticles, the particle diameter of which does not deviate from the mean particle diameter of the microparticles of the composition by more than 20%, each have on average at least 10 pores, the diameter of which is in the range from 1/5000 to 1/5 of the mean particle diameter, and, furthermore, the diameter of each of these pores is at least 20 nm, wherein the wall material consists of a composition comprising at least one aliphatic-aromatic polyester and at least one additional polymer, wherein the additional polymer is selected from the group consisting of polyhydroxy fatty acids, poly(p-dioxanones), polyanhydrides, polyesteramides, polysaccharides and proteins, to a method for the prepar
    Type: Application
    Filed: April 4, 2019
    Publication date: January 28, 2021
    Inventors: Bernd Dieter OSCHMANN, Wolfgang KRAUSE, Patrick LEIBACH, Kerstin MUELHEIMS, Ralf PELZER, Ewelina BURAKOWSKA-MEISE
  • 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
  • Patent number: 10737944
    Abstract: An incipient wetness impregnation method for preparing a tin-containing zeolitic material having framework type BEA, a novel tin-containing zeolitic material having framework type BEA and its use.
    Type: Grant
    Filed: December 7, 2016
    Date of Patent: August 11, 2020
    Assignee: BASF SE
    Inventors: Nicolas Vautravers, Joaquim Henrique Teles, Ralf Pelzer, Daniel Schneider, Florian Garlichs, Andreas Keller, Andrei-Nicolae Parvulescu, Ulrich Müller, Sumana Roy
  • Publication number: 20200190052
    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: Application
    Filed: August 31, 2018
    Publication date: June 18, 2020
    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: 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
  • Patent number: 10669508
    Abstract: Use of 1-[(4R)-4-methylcyclohexen-1-yl]ethanone to impart a ylang-ylang note to a composition.
    Type: Grant
    Filed: October 25, 2017
    Date of Patent: June 2, 2020
    Assignee: BASF SE
    Inventor: Ralf Pelzer
  • Publication number: 20200055834
    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: February 13, 2018
    Publication date: February 20, 2020
    Inventors: Mathias SCHELWIES, Rocco PACIELLO, Ralf PELZER, Wolfgang SIEGEL
  • Publication number: 20190350239
    Abstract: The invention relates to new types of modulators of the cold menthol receptor TRPM8, to methods of modulating the TRPM8 receptor using these modulators; and in particular the use of the modulators for inducing a sensation of coldness; and also the articles and compositions produced using these modulators.
    Type: Application
    Filed: July 29, 2019
    Publication date: November 21, 2019
    Inventors: Thomas SUBKOWSKI, Claus BOLLSCHWEILER, Jens WITTENBERG, Wolfgang SIEGEL, Ralf PELZER
  • Publication number: 20190300820
    Abstract: Use of 1-[(4R)-4-methylcyclohexen-1-yl]ethanone to impart a ylang-ylang note to a composition.
    Type: Application
    Filed: October 25, 2017
    Publication date: October 3, 2019
    Inventor: Ralf PELZER
  • Patent number: 10398159
    Abstract: The invention relates to new types of modulators of the cold menthol receptor TRPM8, to methods of modulating the TRPM8 receptor using these modulators; and in particular the use of the modulators for inducing a sensation of coldness; and also the articles and compositions produced using these modulators.
    Type: Grant
    Filed: June 1, 2017
    Date of Patent: September 3, 2019
    Assignee: BASF SE
    Inventors: Thomas Subkowski, Claus Bollschweiler, Jens Wittenberg, Wolfgang Siegel, Ralf Pelzer
  • Patent number: 10370767
    Abstract: Alcohols are prepared by electrochemical reductive coupling of an aromatic vinyl compound and a carbonyl compound in a process which comprises electrolyzing an electrolyte solution in an electrochemical cell, the electrolyte solution comprising the aromatic vinyl compound, the carbonyl compound and a non-aqueous protic solvent, such as methanol, wherein the electrolyte solution is in contact with a carbon-based cathode. Styrene is reacted with acetone to prepare 2-methyl-4-phenyl-2-butanol.
    Type: Grant
    Filed: August 12, 2015
    Date of Patent: August 6, 2019
    Assignee: BASF SE
    Inventors: Nicola Christiane Aust, Ulrich Griesbach, Ralf Pelzer, Thomas Haag, Ulrich Berens, Jörg Botzem
  • 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: 10308580
    Abstract: A process for preparing an arylpropene from a diarylpropane by gas phase thermolysis in the presence of solid porous catalyst comprising silica having large pore volume and low acidity.
    Type: Grant
    Filed: July 15, 2016
    Date of Patent: June 4, 2019
    Assignee: BASF SE
    Inventors: Stefan Rüdenauer, Andreas Lanver, Ralf Pelzer, Klaus Ebel, Thomas Fenlon, Andrei-Nicolae Parvulescu, Sumana Chaturvedula
  • Publication number: 20190144899
    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: February 20, 2017
    Publication date: May 16, 2019
    Inventors: Michael BREUER, Wolfgang SIEGEL, Stefan RUEDENAUER, Ralf PELZER
  • Publication number: 20190060209
    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: Application
    Filed: October 13, 2016
    Publication date: February 28, 2019
    Inventors: Karl Kolter, Ralf Pelzer, Marion Bendel, Matthias Karl
  • Patent number: 10202324
    Abstract: A process for preparing 2,6-dimethyl-5-heptenal, comprising oxidizing citral of which more than 50% are present as geranial with hydrogen peroxide in the presence of a catalyst comprising a Baeyer-Villiger oxidation catalyst, preferably a tin-containing molecular sieve.
    Type: Grant
    Filed: May 4, 2016
    Date of Patent: February 12, 2019
    Assignee: BASF SE
    Inventors: Nicolas Vautravers, Joaquim Henrique Teles, Ralf Pelzer, Daniel Schneider, Florian Garlichs, Andreas Keller, Andrei-Nicolae Parvulescu, Ulrich Müller
  • Patent number: 10202323
    Abstract: A process for preparing an arylpropene from a diarylpropane by gas phase thermolysis in the presence of boron containing zeolitic material comprising a membered ring (MR) pore system greater than 10 MR.
    Type: Grant
    Filed: July 15, 2016
    Date of Patent: February 12, 2019
    Assignee: BASF SE
    Inventors: Andrei-Nicolae Parvulescu, Ulrich Müller, Thomas Fenlon, Sumana Chaturvedula, Stefan Rüdenauer, Andreas Lanver, Ralf Pelzer, Klaus Ebel
  • Patent number: 10179923
    Abstract: The present invention relates to a novel process for cyclizing geranyllinalool using the squalene-hopene cyclase from Zymomonas mobilis (Zm-SHC) or a cyclase with at least 80% sequence identity to the Zm-SHC, and cyclization products obtained in this process.
    Type: Grant
    Filed: September 28, 2015
    Date of Patent: January 15, 2019
    Assignee: BASF SE
    Inventors: Michael Breuer, Ralf Pelzer
  • Patent number: 10160931
    Abstract: The present invention relates to the use of isomerically pure or highly isomerically enriched cis- or trans-(2-isobutyl-4-methyltetrahydropyran-4-yl) acetate for use as aroma chemicals. The invention further relates to a process for the preparation of isomerically pure or highly isomerically enriched cis- or trans-(2-isobutyl-4-methyltetrahydropyran-4-yl) acetate and the products obtainable by this process. The invention further relates to a fragrance or aroma substance composition which comprises isomerically pure or highly isomerically enriched cis- or trans-(2-isobutyl-4-methyltetra-hydropyran-4-yl) acetate, a method for imparting, and/or boosting an odor or taste of a product, and also perfumed or aromatized products which comprise isomerically pure or highly isomerically enriched cis- or trans-(2-isobutyl-4-methyltetrahydropyran-4-yl) acetate.
    Type: Grant
    Filed: September 25, 2015
    Date of Patent: December 25, 2018
    Assignee: BASF SE
    Inventors: Timon Stork, Stefan Rüdenauer, Margarethe Klos, Ralf Pelzer, Wolfgang Krause