Patents by Inventor Jan Marian von Hof

Jan Marian von Hof 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: 20240122831
    Abstract: Aqueous compositions containing 6-undecanol-esters are useful in cosmetic aplications. Methods for producing 6-undecanol-esters are also provided.
    Type: Application
    Filed: February 9, 2022
    Publication date: April 18, 2024
    Applicant: Evonik Operations GmbH
    Inventors: Achim Friedrich, Christian Hartung, Jan Marian von Hof, Sven Klare
  • Patent number: 11932747
    Abstract: The use of long-chain citric acid esters as additives in aqueous polymer dispersions for production of porous polymer coatings, preferably for production of porous polyurethane coatings, is described.
    Type: Grant
    Filed: May 26, 2021
    Date of Patent: March 19, 2024
    Assignee: Evonik Operations GmbH
    Inventors: Michael Klostermann, Kai-Oliver Feldmann, Jan Marian von Hof, Marvin Jansen, Sina Arnold
  • Publication number: 20230414460
    Abstract: Compositions containing at least one ceramide, at least one polyglycerol carboxylic acid ester, and cholesterol in specific ratios by weight are provided.
    Type: Application
    Filed: October 4, 2021
    Publication date: December 28, 2023
    Applicant: Evonik Operations GmbH
    Inventors: Ursula MACZKIEWITZ, Juergen Meyer, Lisa Maus, Gabriele Polak, Heike Blasko-Begoihn, Jan Marian von Hof
  • Patent number: 11851583
    Abstract: The invention relates to a process for producing a porous polyurethane coatings, using a polyol ester as additives in an aqueous polymer dispersion, the process comprising the steps of a) providing a mixture comprising an aqueous polymer dispersion, a polyol ester, and an additive, b) foaming the mixture to give a homogeneous, fine-cell foam, c) adding at least one thickener to establish the desired viscosity of the wet foam, d) applying a coating of the foamed polymer dispersion to a suitable carrier, e) drying the coating. The invention further relates to a phosphorylated polyol ester.
    Type: Grant
    Filed: July 13, 2017
    Date of Patent: December 26, 2023
    Assignee: Evonik Operations GmbH
    Inventors: Michael Klostermann, Martin Glos, Jan Marian Von Hof, Verena Dahl, Christian Eilbracht, Oliver Springer, Hans Henning Wenk
  • Publication number: 20230372214
    Abstract: Polyglycerol partial esters based on mono- and dicarboxylic acids are useful, in cosmetics in particular. The polyglycerol partial esters can be produced by esterification of a polyglycerol with a carboxylic acid mixture containing at least one short-chain dicarboxylic acid, at least one long-chain dicarboxylic acid, and at least one long-chain, saturated and linear monocarboxylic acid.
    Type: Application
    Filed: May 16, 2023
    Publication date: November 23, 2023
    Applicant: Evonik Operations GmbH
    Inventors: Christian Hartung, Jan Marian von Hof, Matthias Mentel, Achim Friedrich, Jochen Kleinen, Joachim Venzmer, Juergen Meyer, Hans Henning Wenk, Sven Klare
  • Publication number: 20230372215
    Abstract: Polyglycerol partial esters based on mono- and dicarboxylic acids are useful, in cosmetics in particular. The polyglycerol partial esters can be produced by esterification of a polyglycerol with a carboxylic acid mixture containing at least one short-chain dicarboxylic acid and at least one long-chain, saturated and linear monocarboxylic acid.
    Type: Application
    Filed: May 16, 2023
    Publication date: November 23, 2023
    Applicant: Evonik Operations GmbH
    Inventors: Christian HARTUNG, Jan Marian von Hof, Matthias Mentel, Achim Friedrich, Jochen Kleinen, Joachim Venzmer, Juergen Meyer, Hans Henning Wenk, Sven Klare
  • Patent number: 11807603
    Abstract: The invention relates to a polyglycerol partial ester obtainable by esterification of a polyglycerol with a carboxylic acid mixture comprising at least one polyhydroxycarboxylic acid of a hydroxycarboxylic acid having 8 to 32 carbon atoms, at least one short-chain dicarboxylic acid having 2 to 16, preferably 6 to 14, particularly preferably 8 to 12, carbon atoms, at least one long-chain dicarboxylic acid having 24 to 44, preferably 30 to 40, particularly preferably 34 to 38, carbon atoms, and at least one fatty acid selected from linear, unsaturated and branched, saturated fatty acids having 14 to 24 carbon atoms, to a method for preparing polyglycerol partial esters, and to the use of corresponding polyglycerol partial esters as W/O emulsifier.
    Type: Grant
    Filed: May 15, 2017
    Date of Patent: November 7, 2023
    Assignee: Evonik Operations GmbH
    Inventors: Jan Marian Von Hof, Achim Friedrich, Wolfgang Berkels, Barbara Hohenberg, Oliver Springer, Juergen Meyer
  • Publication number: 20230055814
    Abstract: A process can be used for the enzymatic preparation of sugar esters and/or sugar alcohol esters. Mixture compositions contain the sugar esters and/or sugar alcohol esters.
    Type: Application
    Filed: December 17, 2020
    Publication date: February 23, 2023
    Applicant: Evonik Operations GmbH
    Inventors: Jan Marian VON HOF, Stefan Julian Liebig, Hans Henning Wenk, Marrit Friederike Eckstein, Sunay Karacocuk, Maxim Yavorsky
  • Publication number: 20230033620
    Abstract: Xylitol carboxylates are products of interest in the food and cosmetics industries. A process can be used for the enzymatic preparation of xylitol carboxylates.
    Type: Application
    Filed: December 17, 2020
    Publication date: February 2, 2023
    Applicant: Evonik Operations GmbH
    Inventors: Stefan Julian Liebig, Jan Marian von Hof, Thomas Böhmer, Thomas Thomalla, Kathrin Daniela Brandt, Christian Hartung, Hans Henning Wenk, Maxim Yavorsky, Sunay Karacocuk
  • Publication number: 20230023141
    Abstract: A process can be used for enzymatic preparation of sorbitan carboxylates. Sorbitan carboxylates are obtainable by this process.
    Type: Application
    Filed: December 17, 2020
    Publication date: January 26, 2023
    Applicant: Evonik Operations GmbH
    Inventors: Jan Marian VON HOF, Stefan Julian Liebig, Thomas Thomalla, Thomas Böhmer, Kathrin Daniela Brandt, Christian Hartung, Hans Henning Wenk, Maxim Yavorsky, Sunay Karacocuk
  • Publication number: 20220306861
    Abstract: The use of polyamine- and/or polyalkanolamine-based carboxylic acid derivatives as additives in aqueous polymer dispersions for production of porous polymer coatings, preferably for production of porous polyurethane coatings, is described.
    Type: Application
    Filed: March 27, 2022
    Publication date: September 29, 2022
    Inventors: Michael Klostermann, Jan Marian Von Hof, Kai-Oliver Feldmann, Marvin Jansen
  • Publication number: 20220243057
    Abstract: The joint use of polyol esters and ethylene oxide-rich alkyl alkoxylates as additives in filler-containing aqueous polymer dispersions for production of porous polymer coatings, preferably for production of porous polyurethane coatings, is described.
    Type: Application
    Filed: July 9, 2019
    Publication date: August 4, 2022
    Applicant: Evonik Operations GmbH
    Inventors: Michael Klostermann, Kai-Oliver Feldmann, Jan Marian von Hof, Verena Dahl, Marvin Jansen, Sina Arnold, YeChen Le
  • Publication number: 20220243058
    Abstract: The joint use of polyol ethers and ethylene oxide-rich alkyl alkoxylates as additives in filler-containing aqueous polymer dispersions for production of porous polymer coatings, preferably for production of porous polyurethane coatings, is described.
    Type: Application
    Filed: July 9, 2019
    Publication date: August 4, 2022
    Applicant: Evonik Operations GmbH
    Inventors: Michael Klostermann, Kai-Oliver Feldmann, Jan Marian von Hof, Verena Dahl, Marvin Jansen, Sina Arnold, YeChen Le
  • Publication number: 20210403676
    Abstract: The use of long-chain citric acid esters as additives in aqueous polymer dispersions for production of porous polymer coatings, preferably for production of porous polyurethane coatings, is described.
    Type: Application
    Filed: May 26, 2021
    Publication date: December 30, 2021
    Applicant: Evonik Operations GmbH
    Inventors: Michael Klostermann, Kai-Oliver Feldmann, Jan Marian von Hof, Marvin Jansen, Sina Arnold
  • Publication number: 20210403678
    Abstract: The use of long-chain phosphoric acid esters as additives in aqueous polymer dispersions for production of porous polymer coatings, preferably for production of porous polyurethane coatings, is described.
    Type: Application
    Filed: May 26, 2021
    Publication date: December 30, 2021
    Applicant: Evonik Operations GmbH
    Inventors: Michael Klostermann, Kai-Oliver Feldmann, Jan Marian von Hof, Sina Arnold, Marvin Jansen
  • Publication number: 20210403493
    Abstract: The use of two-tail long-chain anionic surfactants as additives in aqueous polymer dispersions for production of porous polymer coatings, preferably for production of porous polyurethane coatings, is described.
    Type: Application
    Filed: May 17, 2021
    Publication date: December 30, 2021
    Applicant: Evonik Operations GmbH
    Inventors: Michael Klostermann, Kai-Oliver Feldmann, Jan Marian von Hof, Sina Arnold, Marvin Jansen
  • Publication number: 20200207938
    Abstract: The invention relates to the use of polyolethers as additives in aqueous polymer dispersions for producing porous polymer coatings, preferably for producing porous polyurethane coatings.
    Type: Application
    Filed: August 2, 2018
    Publication date: July 2, 2020
    Applicant: Evonik Operations GmbH
    Inventors: Michael Klostermann, Jan Marian Von Hof, Martin Glos, Christian Eilbracht, Verena Dahl, Oliver Springer, Hans Henning Wenk
  • Patent number: 10618867
    Abstract: The present invention relates to a method in which an amino acid is reacted with an acyl group donor to obtain an N-acylamino acid in the presence of an amine.
    Type: Grant
    Filed: June 6, 2017
    Date of Patent: April 14, 2020
    Assignee: Evonik Operations GmbH
    Inventors: Stefan Julian Liebig, Dominik Schuch, Jan Marian von Hof, Kathrin Daniela Brandt, Maximilian Vogt, Hans Henning Wenk
  • Publication number: 20190300728
    Abstract: The invention relates to a process for producing a porous polyurethane coatings, using a polyol ester as additives in an aqueous polymer dispersion, the process comprising the steps of a) providing a mixture comprising an aqueous polymer dispersion, a polyol ester, and an additive, b) foaming the mixture to give a homogeneous, fine-cell foam, c) adding at least one thickener to establish the desired viscosity of the wet foam, d) applying a coating of the foamed polymer dispersion to a suitable carrier, e) drying the coating. The invention further relates to a phosphorylated polyol ester.
    Type: Application
    Filed: July 13, 2017
    Publication date: October 3, 2019
    Applicant: Evonik Degussa GmbH
    Inventors: Michael Klostermann, Martin Glos, Jan Marian Von Hof, Verena Dahl, Christian Eilbracht, Oliver Springer, Hans Henning Wenk
  • Publication number: 20190202771
    Abstract: The invention relates to a polyglycerol partial ester obtainable by esterification of a polyglycerol with a carboxylic acid mixture comprising at least one polyhydroxycarboxylic acid of a hydroxycarboxylic acid having 8 to 32 carbon atoms, at least one short-chain dicarboxylic acid having 2 to 16, preferably 6 to 14, particularly preferably 8 to 12, carbon atoms, at least one long-chain dicarboxylic acid having 24 to 44, preferably 30 to 40, particularly preferably 34 to 38, carbon atoms, and at least one fatty acid selected from linear, unsaturated and branched, saturated fatty acids having 14 to 24 carbon atoms, to a method for preparing polyglycerol partial esters, and to the use of corresponding polyglycerol partial esters as W/O emulsifier.
    Type: Application
    Filed: May 15, 2017
    Publication date: July 4, 2019
    Applicant: Evonik Degussa GmbH
    Inventors: Jan Marian Von Hof, Achim Friedrich, Wolfgang Berkels, Barbara Hohenberg, Oliver Springer, Juergen Meyer