Patents by Inventor Yvonne Schiemann

Yvonne Schiemann 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).

  • Compounds based on adducts with isocyanates for coating compositions
    Patent number: 10239898
    Abstract: The present invention relates to compounds based on adducts with isocyanates. The present invention further relates to a method for preparation thereof, compositions comprising these compounds and also use thereof as, or for producing, coatings.
    Type: Grant
    Filed: December 7, 2017
    Date of Patent: March 26, 2019
    Assignee: Evonik Degussa GmbH
    Inventors: Markus Hallack, Yvonne Schiemann
  • COMPOUNDS BASED ON ADDUCTS WITH ISOCYANATES FOR COATING COMPOSITIONS
    Publication number: 20180179234
    Abstract: The present invention relates to compounds based on adducts with isocyanates. The present invention further relates to a method for preparation thereof, compositions comprising these compounds and also use thereof as, or for producing, coatings.
    Type: Application
    Filed: December 7, 2017
    Publication date: June 28, 2018
    Inventors: Markus Hallack, Yvonne Schiemann
  • Dermatologically effective yeast extract
    Patent number: 9655934
    Abstract: The invention relates to a method for producing a dermatologically active yeast extract, comprising the following steps: providing a preculture of the yeast cells, culturing the cells for at least fifteen minutes at a pH of 1.8-4, harvesting the cells and lysing the cells, and a yeast extract produced thereby and products comprising said yeast extract.
    Type: Grant
    Filed: June 14, 2012
    Date of Patent: May 23, 2017
    Assignee: EVONIK DEGUSSA GMBH
    Inventors: Yvonne Schiemann, Mike Farwick, Thomas Haas, Mirja Wessel
  • METHOD FOR PRODUCING ORGANIC COMPOSITIONS FROM OXYHYDROGEN AND CO2 VIA ACETOACETYL-COA AS INTERMEDIATE PRODUCT
    Publication number: 20160138058
    Abstract: The invention relates to a method for producing organic compositions comprising the method steps: A) providing an oxyhydrogen bacterium having an activity of an enzyme E1, which is increased by comparison with the wild type thereof and which can catalyse the conversion of 2 acetyl-CoA to acetoacetyl-CoA and CoA, in an aqueous medium; B) bringing the aqueous medium into contact with a gas containing H2, CO2 and O2 in a weight ratio from 20-70 to 10-45 to 5-35 and optionally C) purifying the organic composition.
    Type: Application
    Filed: May 30, 2014
    Publication date: May 19, 2016
    Applicant: Evonik Degussa GmbH
    Inventors: Eva Maria WITTMANN, Thomas HAAS, Steffen SCHAFFER, Markus POETTER, Yvonne SCHIEMANN, Nigole KIRCHNER
  • BIOTECHNOLOGICAL 2-HYDROXYISOBUTYRIC ACID PRODUCTION
    Publication number: 20150267231
    Abstract: The present invention relates to a knallgas bacterium or acetogenic bacterium expressing a 2-hydroxyisobutyryl-coenzyme A mutase, a method for the production of 2-hydroxyisobutyric acid, comprising contacting in an aqueous medium the knallgas bacterium or acetogenic with a gas mixture comprising hydrogen and carbon dioxide and the use of the knallgas bacterium or acetogenic bacterium for the production of 2-hydroxyisobutyric acid.
    Type: Application
    Filed: June 14, 2013
    Publication date: September 24, 2015
    Applicant: Evonik Industries AG
    Inventors: Thomas Haas, Yvonne Schiemann, Denise Przybylski, Thore Rohwerder, Roland H. Mueller, Hauke Harms
  • DERMATOLOGICALLY EFFECTIVE YEAST EXTRACT
    Publication number: 20140127257
    Abstract: The invention relates to a method for producing a dermatologically active yeast extract, comprising the following steps: providing a preculture of the yeast cells, culturing the cells for at least fifteen minutes at a pH of 1.8-4, harvesting the cells and lysing the cells, and a yeast extract produced thereby and products comprising said yeast extract.
    Type: Application
    Filed: June 14, 2012
    Publication date: May 8, 2014
    Applicant: EVONIK DEGUSSA GMBH
    Inventors: Yvonne Schiemann, Mike Farwick, Thomas Haas, Mirja Wessel
  • COSMETICS COMPRISING CISTUS PLANT EXTRACTS
    Publication number: 20110052522
    Abstract: The present invention relates to the use of an extract from cistus, prepared by a novel process, as care active ingredient for the care of human or animal body parts, to care formulations and to the use of the care formulations.
    Type: Application
    Filed: April 6, 2009
    Publication date: March 3, 2011
    Applicant: EVONIK GOLDSCHMIDT GMBH
    Inventors: Yvonne Schiemann, Mike Farwick, Heike Blasko-Begoihn, Peter Lersch
  • Cosmetic preparations comprising active ingredients in microcapsules
    Publication number: 20040161438
    Abstract: Cosmetic preparations including one or more active ingredients in a microencapsulation whose encapsulation material is permeable and/or degraded in the pH range of the skin, wherein the core material is free from porous materials are provided.
    Type: Application
    Filed: February 9, 2004
    Publication date: August 19, 2004
    Applicant: GOLDSCHMIDT AG
    Inventors: Nadja Jungmann, Peter Lersch, Ute Schick, Yvonne Schiemann, Christian Weitemeyer