Patents by Inventor Hans Henning Wenk

Hans Henning Wenk 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: 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
  • Patent number: 8664175
    Abstract: The present invention relates to polyglycerol partial esters of linear, unsubstituted carboxylic acids and bifunctional carboxylic acids with the provisos that the polyglycerol partial ester comprises an HLB-value from 2 to 10 and that the polyglycerol obtained by hydrolysis or alcoholysis of the polyglycerol partial ester comprises an average degree of polymerization of from 2 to 8 and at least 1% of the polyglycerol comprises cyclic structures. The present invention also relates to the preparation thereof and their use in fabric and textile care products.
    Type: Grant
    Filed: January 12, 2011
    Date of Patent: March 4, 2014
    Assignee: Evonik Goldschmidt GmbH
    Inventors: Hans Henning Wenk, Peter Lersch, Ulrike Kottke
  • Patent number: 8653289
    Abstract: The present disclosure relates to specific (poly-)glycerol partial esters with at least one carboxylic acid and one polyfunctional carboxylic acid, and to the use thereof as emulsifier and to formulations comprising partial esters of the present disclosure.
    Type: Grant
    Filed: March 2, 2011
    Date of Patent: February 18, 2014
    Assignee: Evonik Goldschmidt GmbH
    Inventors: Hans Henning Wenk, Juergen Meyer, Stefan Bergfried, Hannelore Foetsch
  • Patent number: 8557944
    Abstract: Endblocked polysiloxanes with lateral amino functions and at least one further lateral and/or terminal functional group.
    Type: Grant
    Filed: October 24, 2011
    Date of Patent: October 15, 2013
    Assignee: Evonik Goldschmidt GmbH
    Inventors: Frauke Henning, Michael Ferenz, Wilfried Knott, Stefan Silber, Hans Henning Wenk, Dirk Kuppert, Frank Koenig
  • 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
  • Patent number: 8420137
    Abstract: The invention relates to a process for the preparation of a plant extract from Curcuma plants, characterized by the process steps process step A) liquid extraction of Curcuma rhizomes, process step B) optionally, separation of a curcuminoid-containing solid obtained by precipitation from the extraction mixture obtained in process step A), process step C) removal of solvents present from the extraction mixture obtained in process step A) or B) to obtain a concentrate and process step D) distillation of the concentrate at a pressure of less than 1 bar to give the extract as distillate.
    Type: Grant
    Filed: May 12, 2011
    Date of Patent: April 16, 2013
    Assignee: Evonik Goldschmidt GmbH
    Inventors: Hans Henning Wenk, Mike Farwick, Stefan Bergfried, Ursula Maczkiewitz
  • 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
  • Publication number: 20120308503
    Abstract: The present invention relates to cosmetic compositions containing polyglycerol partial esters of linear, unsubstituted carboxylic acids with the provisos that the polyglycerol obtained by hydrolysis or alcoholysis of the polyglycerol partial ester comprises an average degree of polymerization of from 2 to 8 and the polydispersity index of said polyglycerol is greater than 0.75. The present invention also relates to the use of aforementioned polyglycerol esters for the production of and use in cosmetic compositions.
    Type: Application
    Filed: January 12, 2011
    Publication date: December 6, 2012
    Applicant: EVONIK GOLDSCHMIDT GMBH
    Inventors: Hans Henning Wenk, Peter Lersch
  • Publication number: 20120309667
    Abstract: The present invention relates to polyglycerol partial esters of linear, unsubstituted carboxylic acids and bifunctional carboxylic acids with the provisos that the polyglycerol partial ester comprises an HLB-value from 2 to 10 and that the polyglycerol obtained by hydrolysis or alcoholysis of the polyglycerol partial ester comprises an average degree of polymerization of from 2 to 8 and at least 1% of the polyglycerol comprises cyclic structures. The present invention also relates to the preparation thereof and their use in fabric and textile care products.
    Type: Application
    Filed: January 12, 2011
    Publication date: December 6, 2012
    Applicant: EVONIK GOLDSCHMIDT GMBH
    Inventors: Hans Henning Wenk, Peter Lersch, Ulrike Kottke
  • Publication number: 20120309996
    Abstract: The present invention relates to cosmetic compositions containing polyglycerol partial esters of linear, unsubstituted carboxylic acids and bifunctional carboxylic acids with the provisos that the polyglycerol partial ester comprises an HLB-value from 2 to 10 and that the polyglycerol obtained by hydrolysis or alcoholysis of the polyglycerol partial ester comprises an average degree of polymerization of from 2 to 8 and at least 1% of the polyglycerol comprises cyclic structures. The present invention also relates to the use of aforementioned polyglycerol esters for the production of and use in cosmetic compositions.
    Type: Application
    Filed: January 12, 2011
    Publication date: December 6, 2012
    Applicant: EVONIK GOLDSCHMIDT GMBH
    Inventors: Hans Henning Wenk, Peter Lersch
  • Publication number: 20120258155
    Abstract: The present invention relates to methods of producing crosslinked hyaluronic acid microbeads, as well as the produced microbeads, said method comprising the steps of: (a) providing an aqueous alkaline solution comprising hyaluronic acid, or a salt thereof; (b) forming microdroplets having a desired size from the mixed solution of step (a) in an organic or oil phase to form a water in organic or water in oil (W/O) emulsion, wherein the amount of oil phase used is of from 20 to less than 50% by weight based on the sum of oil phase and water; (c) adding a solution comprising a crosslinking agent to the emulsion, whereby the reaction of hyaluronic acid with the crosslinking agent takes place to provide crosslinked hyaluronic acid microbeads; and (d) optionally working up the dispersion of crosslinked hyaluronic acid microbeads obtained in step (c).
    Type: Application
    Filed: June 21, 2012
    Publication date: October 11, 2012
    Applicants: Novozymes Biopolymer A/S, Evonik Goldschmidt GmbH
    Inventors: Hans Henning Wenk, Mike Farwick, Sandra Nattland, Ursula Maczkiewitz, Birgitte Moelholm Malle
  • Patent number: 8227399
    Abstract: The present invention relates to polyglycerol partial esters of linear, unsubstituted carboxylic acids with the provisos that the polyglycerol obtained by hydrolysis or alcoholysis of the polyglycerol partial ester comprises an average degree of polymerization of from 2 to 8 and the polydispersity index of said polyglycerol is greater than 0.75.
    Type: Grant
    Filed: February 12, 2010
    Date of Patent: July 24, 2012
    Assignee: Evonik Goldschmidt GmbH
    Inventors: Hans Henning Wenk, Ulrike Kottke, Jennifer B. Ponder
  • Publication number: 20120097883
    Abstract: Endblocked polysiloxanes with lateral amino functions and at least one further lateral and/or terminal functional group.
    Type: Application
    Filed: October 24, 2011
    Publication date: April 26, 2012
    Applicant: EVONIK GOLDSCHMIDT GMBH
    Inventors: Frauke Henning, Michael Ferenz, Wilfried Knott, Stefan Silber, Hans Henning Wenk, Dirk Kuppert, Frank Koenig
  • Patent number: 8138372
    Abstract: The present invention covers zwitterionic, non-surface-active compounds in the form of carboxymethylated, short-chain dialkylaminoalkylamides and use thereof as therapeutic agent.
    Type: Grant
    Filed: June 12, 2008
    Date of Patent: March 20, 2012
    Assignee: Evonik Goldschmidt GmbH
    Inventors: Sascha Herrwerth, Hans Henning Wenk, Burghard Gruning, Petra Allef, Uwe Begoihn
  • Publication number: 20120021960
    Abstract: The present invention relates to an aqueous composition comprising: i) 0.5 to 10 mass percent of at least one sulfo-succinate surfactant; ii) 0.5 to 10 mass percent of at least one amphoteric surfactant; and iii) free, OH-functional compounds similar to the alcohol component of the esters of the sulfosuccinate surfectants that are employed, wherein the mass ratio of sulfosuccinate surfectant i) to the free, OH-functional compound ranges from 100:1 to 100:20. The invention further relates to the use of such a composition for producing cleansing compositions, or as cleansing compositions, in particular for the cleansing of skin and hair, and to skin and/or hair cleansing agents containing such a composition.
    Type: Application
    Filed: March 1, 2010
    Publication date: January 26, 2012
    Applicant: EVONIK GOLDSCHMIDT GMBH
    Inventors: Hans Henning Wenk, Sascha Herrwerth, Klaus Jenni, Christian Noethe
  • Publication number: 20110300082
    Abstract: The present disclosure relates to specific (poly-)glycerol partial esters with at least one carboxylic acid and one polyfunctional carboxylic acid, and to the use thereof as emulsifier and to formulations comprising partial esters of the present disclosure.
    Type: Application
    Filed: March 2, 2011
    Publication date: December 8, 2011
    Applicant: EVONIK GOLDSCHMIDT GMBH
    Inventors: Hans Henning Wenk, Juergen Meyer, Stefan Bergfried, Hannelore Foetsch
  • Publication number: 20110217400
    Abstract: The invention relates to a process for the preparation of a plant extract from Curcuma plants, characterized by the process steps process step A) liquid extraction of Curcuma rhizomes, process step B) optionally, separation of a curcuminoid-containing solid obtained by precipitation from the extraction mixture obtained in process step A), process step C) removal of solvents present from the extraction mixture obtained in process step A) or B) to obtain a concentrate and process step D) distillation of the concentrate at a pressure of less than 1 bar to give the extract as distillate.
    Type: Application
    Filed: May 12, 2011
    Publication date: September 8, 2011
    Applicant: Evonik Goldschmidt GmbH
    Inventors: Hans Henning Wenk, Mike Farwick, Stefan Bergfried, Ursula MacZkiewitz
  • Publication number: 20110206623
    Abstract: A subject-matter of the invention is formulations comprising novel zwitterionic compounds and the use of these formulations as cosmetics.
    Type: Application
    Filed: June 24, 2008
    Publication date: August 25, 2011
    Applicant: EVONIK GOLDSCHMIDT GMBH
    Inventors: Hans Henning Wenk, Holger Leidreiter, Mike Farwick, Petra Allef, Ursula Maczkiewitz, Sascha Herrwerth
  • Publication number: 20110201538
    Abstract: The present invention relates to polyglycerol partial esters of linear, unsubstituted carboxylic acids with the provisos that the polyglycerol obtained by hydrolysis or alcoholysis of the polyglycerol partial ester comprises an average degree of polymerization of from 2 to 8 and the polydispersity index of said polyglycerol is greater than 0.75.
    Type: Application
    Filed: February 12, 2010
    Publication date: August 18, 2011
    Applicant: EVONIK GOLDSCHMIDT GMBH
    Inventors: Hans Henning WENK, Ulrike KOTTKE, Jennifer B. PONDER
  • Publication number: 20110201532
    Abstract: The instant disclosure relates to fabric or household hard surface treatment compositions comprising a mixture of cross-linked polyglycerol partial esters having the structure of Formula (I) with R1, R2 and R3 each independent from each other, equal or different, and selected from the group consisting of —OH; —OR4; w. and —OR5 where R5 is a radical having the structure of Formula (I) and R4 is a linear, unsubstituted acyl radical with a chain length of from about 16 to about 22 carbon atoms, having the structure of general Formula (II) with X a bivalent organic residue with from 2 to 34 carbon atoms with the proviso that the fatty acids obtained from the acyl radical by saponification of —OR4 bears an iodine value of smaller than 50 and each molecule of the polyglycerol partial ester mixture comprises at least one of each of an —OR5 and —OR4 wherein one of R1, R2 or R3 being a direct bond to the oxygen of —OR5.
    Type: Application
    Filed: February 10, 2011
    Publication date: August 18, 2011
    Inventors: Jennifer Beth Ponder, Hans Henning Wenk, Ulrike Kottke