Patents by Inventor Wolfgang Berkels

Wolfgang Berkels 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: 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: 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
  • Patent number: 9890107
    Abstract: The invention provides polyglycerol partial esters based on mono- and dicarboxylic acids and their use as solubilizers, particularly in cosmetics, for example for perfume oils and essential oils in aqueous systems.
    Type: Grant
    Filed: November 9, 2016
    Date of Patent: February 13, 2018
    Assignee: Evonik Degussa GmbH
    Inventors: Dominik Schuch, Christian Hartung, Wolfgang Berkels
  • Publication number: 20170137366
    Abstract: The invention provides polyglycerol partial esters based on mono- and dicarboxylic acids and their use as solubilizers, particularly in cosmetics, for example for perfume oils and essential oils in aqueous systems.
    Type: Application
    Filed: November 9, 2016
    Publication date: May 18, 2017
    Inventors: Dominik Schuch, Christian Hartung, Wolfgang Berkels
  • Patent number: 9409853
    Abstract: Polyglycerol partial esters of a specific composition which are capable of solubilizing very hydrophobic, oil-soluble substances in aqueous solution are provided. The preparation and use of these polyglycol ether-free solubilizers in cosmetic formulations are also disclosed.
    Type: Grant
    Filed: December 9, 2014
    Date of Patent: August 9, 2016
    Assignee: EVONIK DEGUSSA GMBH
    Inventors: Dominik Schuch, Wolfgang Berkels, Oliver Springer, Christian Hartung, Hilke Condé, Baerbel Klann-Metz
  • Publication number: 20150315123
    Abstract: Polyglycerol partial esters of a specific composition which are capable of solubilizing very hydrophobic, oil-soluble substances in aqueous solution are provided. The preparation and use of these polyglycol ether-free solubilizers in cosmetic formulations are also disclosed.
    Type: Application
    Filed: December 9, 2014
    Publication date: November 5, 2015
    Applicant: Evonik Industries AG
    Inventors: Dominik Schuch, Wolfgang Berkels, Oliver Springer, Christian Hartung, Hilke Condé, Baerbel Klann-Metz
  • Patent number: 8993792
    Abstract: The invention relates to polyglycol ether-free, polyglycerol partial ester-based sulphosuccinates, the preparation thereof, and the use of these in cosmetic formulations and also in cleaning compositions in the industrial and domestic sector and formulations comprising these sulphosuccinates.
    Type: Grant
    Filed: February 4, 2013
    Date of Patent: March 31, 2015
    Assignee: Evonik Industries AG
    Inventors: Christian Hartung, Dominik Schuch, Wolfgang Berkels, Peter Muss, Ursula Westerholt, Sascha Herrwerth, Joerg Peggau, Oliver Springer, Hans Henning Wenk, Ralf Klein
  • Publication number: 20130204021
    Abstract: The invention relates to polyglycol ether-free, polyglycerol partial ester-based sulphosuccinates, the preparation thereof, and the use of these in cosmetic formulations and also in cleaning compositions in the industrial and domestic sector and formulations comprising these sulphosuccinates.
    Type: Application
    Filed: February 4, 2013
    Publication date: August 8, 2013
    Applicant: Evonik Industries AG
    Inventors: Christian Hartung, Dominik Schuch, Wolfgang Berkels, Peter Muss, Ursula Westerholt, Sascha Herrwerth, Joerg Peggau, Oliver Springer, Hans Henning Wenk, Ralf Klein
  • Publication number: 20130071340
    Abstract: The invention relates to polyol partial esters, cosmetic and pharmaceutical formulations containing the polyol partial esters according to the invention, and to the use of the polyol partial esters according to the invention for cosmetic and pharmaceutical purposes.
    Type: Application
    Filed: April 27, 2011
    Publication date: March 21, 2013
    Applicant: EVONIK GOLDSCHMIDT GMBH
    Inventors: Hans Henning Wenk, Juergen Meyer, Oliver Springer, Mike Farwick, Klaus Jenni, Wolfgang Berkels, Frank Unger
  • Patent number: 7906664
    Abstract: The invention relates to polyglycerol partial esters of polyricinoleic acid and polyfunctional carboxylic acids, obtainable by esterification of a a) polyglycerol mixture with b) at least one polyricinoleic acid and c) at least one di- and/or tricarboxylic acid and optionally d) at least one fatty acid having 6 to 22 carbon atoms by methods known per se, and to the use thereof for producing cosmetic or pharmaceutical emulsions or dispersions.
    Type: Grant
    Filed: January 19, 2006
    Date of Patent: March 15, 2011
    Assignee: Evonik Goldschmidt GmbH
    Inventors: Petra Allef, Wolfgang Berkels, Hannelore Fötsch, Jürgen Meyer
  • Patent number: 7851511
    Abstract: The present invention relates to polyglycerol partial esters of polyhydroxystearic acid and polyfunctional carboxylic acids which are obtainable by esterification of a polyglycerol mixture with polyhydroxystearic acid where N=1 to 10, preferably 2 to 8, in particular 3 to 5 units and dimer fatty acids which have been obtained by catalytic dimerization of unsaturated fatty acids having 12 to 22 C atoms and have an average functionality of 2 to 3, and/or with aliphatic, linear or branched dicarboxylic acids having a chain length of 2 to 16 C atoms and additionally saturated or unsaturated, linear or branched fatty acids having 6 to 22 C atoms, preferably 12 to 18 C atoms, the degree of esterification of the polyglycerol mixture being between 20 and 75%, preferably 40 to 70%.
    Type: Grant
    Filed: July 22, 2004
    Date of Patent: December 14, 2010
    Assignee: Evonik Goldschmidt GmbH
    Inventors: Petra Allef, Wolfgang Berkels, Thomas Dietz, Burghard Grüning, Peter Hameyer
  • Publication number: 20060165627
    Abstract: The invention relates to polyglycerol partial esters of polyricinoleic acid and polyfunctional carboxylic acids, obtainable by esterification of a a) polyglycerol mixture with b) at least one polyricinoleic acid and c) at least one di- and/or tricarboxylic acid and optionally d) at least one fatty acid having 6 to 22 carbon atoms by methods known per se, and to the use thereof for producing cosmetic or pharmaceutical emulsions or dispersions.
    Type: Application
    Filed: January 19, 2006
    Publication date: July 27, 2006
    Applicant: Goldschmidt GmbH
    Inventors: Petra Allef, Wolfgang Berkels, Hannelore Fotsch, Jurgen Meyer
  • Publication number: 20050031580
    Abstract: The present invention relates to polyglycerol partial esers of polyhydroxystearic acid and polyfunctional carboxylic acids which are obtainable by esterification of a polyglycerol mixture with polyhydroxystearic acid where N=1 to 10, preferably 2 to 8, in particular 3 to 5 units and dimer fatty acids which have been obtained by catalytic dimerization of unsaturated fatty acids having 12 to 22 C atoms and have an average functionality of 2 to 3, and/or with aliphatic, linear or branched dicarboxylic acids having a chain length of 2 to 16 C atoms and additionally saturated or unsaturated, linear or branched fatty acids having 6 to 22 C atoms, preferably 12 to 18 C atoms, the degree of esterification of the polyglycerol mixture being between 20 and 75%, preferably 40 to 70%.
    Type: Application
    Filed: July 22, 2004
    Publication date: February 10, 2005
    Applicant: GOLDSCHMIDT AG
    Inventors: Petra Allef, Wolfgang Berkels, Thomas Dietz, Burghard Gruning, Peter Hameyer
  • Patent number: 6581613
    Abstract: The present invention provides a defined alkylpolyglucoside having a degree of oligomerization of at least 1.7 to 3 and an alkyl radical comprising 8 carbon atoms, and mixtures of this alkylpolyglucoside with further alkylpolyglucosides, as cleaner concentrate. The present invention also relates to compositions which include the defined alkylpolyglucoside and a concentrated alkali metal hydroxide solution as well as a method of using the composition as a cleaner.
    Type: Grant
    Filed: February 15, 2001
    Date of Patent: June 24, 2003
    Assignee: Goldschmidt AG
    Inventors: Wolfgang Berkels, Burghard Grüning, Felix Müller, Jörg Peggau
  • Publication number: 20020013253
    Abstract: The present invention provides a defined alkylpolyglucoside having a degree of oligomerization of at least 1.7 to 3 and an alkyl radical comprising 8 carbon atoms, and mixtures of this alkylpolyglucoside with further alkylpolyglucosides, as cleaner concentrate. The present invention also relates to compositions which include the defined alkylpolyglucoside and a concentrated alkali metal hydroxide solution as well as a method of using the composition as a cleaner.
    Type: Application
    Filed: February 15, 2001
    Publication date: January 31, 2002
    Applicant: GOLDSCHMIDT AG
    Inventors: Wolfgang Berkels, Burghard Gruning, Felix Muller, Jorg Peggau