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).

  • Patent number: 10292925
    Abstract: The present invention relates to a PEG free, stable, low viscosity classic oil-in-water emulsion and the use and preparation thereof. The oil-in-water emulsion comprises, A) a primary emulsifier selected from alkyl polyglucosides and long chained polyglycerol esters, B) a secondary emulsifier selected from short chained polyglycerol esters and short chained sorbitan esters, and optionally a thickener if the amount of secondary emulsifier is below 2.5 wt. %. The emulsion is a classic emulsion and can be sprayable. The emulsion is suitable to prepare spray or foam emulsion products with good application effect.
    Type: Grant
    Filed: March 13, 2015
    Date of Patent: May 21, 2019
    Assignees: Evonik Specialty Chemicals (Shanghai) Co., Ltd., Evonik Degussa GmbH
    Inventors: Yinghua Gu, Haizhou Zhang, Achim Friedrich, Juergen Meyer, Verena Dahl, Juan Chu, Jan Marian von Hof
  • Publication number: 20190135734
    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: Application
    Filed: June 6, 2017
    Publication date: May 9, 2019
    Applicant: Evonik Degussa GmbH
    Inventors: Stefan Julian Liebig, Dominik Schuch, Jan Marian von Hof, Kathrin Daniela Brandt, Maximilian Vogt, Hans Henning Wenk
  • Publication number: 20180216023
    Abstract: The present invention relates to a lubricating oil composition comprising polyglycerol partial esters of polyfunctional carboxylic acids and saturated or unsaturated, linear or branched fatty acids and/or poly(hydroxystearic acid) and the use thereof to lubricate an engine and reduce friction.
    Type: Application
    Filed: July 6, 2016
    Publication date: August 2, 2018
    Applicant: Evonik Oil Additives GmbH
    Inventors: Stefan MAIER, Oliver SPRINGER, Jennifer HOLTZINGER, Klaus SCHIMOSSEK, Thomas DAMASKE, Marcus STEPHAN, Jan Marian VON HOF
  • Publication number: 20180036218
    Abstract: The present invention relates to a PEG free, stable, low viscosity classic oil-in-water emulsion and the use and preparation thereof. The oil-in-water emulsion comprises, A) a primary emulsifier selected from alkyl polyglucosides and long chained polyglycerol esters, B) a secondary emulsifier selected from short chained polyglycerol esters and short chained sorbitan esters, and optionally a thickener if the amount of secondary emulsifier is below 2.5 wt. %. The emulsion is a classic emulsion and can be sprayable. The emulsion is suitable to prepare spray or foam emulsion products with good application effect.
    Type: Application
    Filed: March 13, 2015
    Publication date: February 8, 2018
    Inventors: Yinghua Gu, Haizhou Zhang, Achim Friedrich, Juergen Meyer, Verena Dahl, Juan Chu, Jan Marian von Hof
  • Patent number: 9776951
    Abstract: The invention relates to novel polyglycerol esters with a particular oligomer distribution of the polyglycerol present, and to their use in particular in cosmetic formulations as, for example, emulsifier.
    Type: Grant
    Filed: February 11, 2015
    Date of Patent: October 3, 2017
    Assignee: Evonik Degussa GmbH
    Inventors: Achim Friedrich, Jürgen Meyer, Jan Marian von Hof, Oliver Springer, Peter Muss
  • Publication number: 20170202770
    Abstract: The invention relates to compositions comprising polyglycerol esters and hydroxyalkyl-modified guar.
    Type: Application
    Filed: December 15, 2016
    Publication date: July 20, 2017
    Inventors: Achim Friedrich, Juergen Meyer, Frank Unger, Verena Dahl, Jan Marian von Hof, Oliver Springer
  • Publication number: 20160340290
    Abstract: The invention relates to novel polyglycerol esters with a particular oligomer distribution of the polyglycerol present, and to their use in particular in cosmetic formulations as, for example, emulsifier.
    Type: Application
    Filed: February 11, 2015
    Publication date: November 24, 2016
    Applicant: EVONK DUGUSSA GMBH
    Inventors: Achim Friedrich, Jürgen Meyer, Jan Marian von Hof, Oliver Springer, Peter Muss
  • Patent number: 9427385
    Abstract: The invention relates to polyglycerol esters with a particular oligomer distribution of the polyglycerol present, and to their use in in particular cosmetic formulations as, for example, emulsifier.
    Type: Grant
    Filed: September 5, 2013
    Date of Patent: August 30, 2016
    Assignee: EVONIK DEGUSSA GMBH
    Inventors: Juergen Meyer, Achim Friedrich, Hannelore Foetsch, Oliver Springer, Jan Marian von Hof, Hans Henning Wenk
  • Publication number: 20140072521
    Abstract: The invention relates to polyglycerol esters with a particular oligomer distribution of the polyglycerol present, and to their use in in particular cosmetic formulations as, for example, emulsifier.
    Type: Application
    Filed: September 5, 2013
    Publication date: March 13, 2014
    Applicant: Evonik Industries AG
    Inventors: Juergen Meyer, Achim Friedrich, Hannelore Foetsch, Oliver Springer, Jan Marian von Hof, Hans Henning Wenk