Patents by Inventor Verena Dahl

Verena Dahl 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).

  • Process for producing porous polyurethane coatings using polyol ester additives
    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
  • Microemulsion comprising quaternary ammonium compound, especially for production of fabric softener formulations
    Patent number: 11485938
    Abstract: The invention provides for the use of specific microemulsions comprising quaternary ammonium compounds for production of clear fabric softener formulations having improved performance properties, and also the corresponding formulations and a process for production thereof.
    Type: Grant
    Filed: September 6, 2018
    Date of Patent: November 1, 2022
    Assignee: Evonik Operations GmbH
    Inventors: Verena Dahl, Jochen Kleinen, Miyako Hisamoto, Jens Hildebrand, Alexandra Trambitas, Erin King, Kristin Klostermann, Iwona Winter, Simone Bräscher
  • Oral care composition containing at least one biosurfactant and fluoride
    Patent number: 11464717
    Abstract: The present invention relates to oral care compositions comprising at least one biosurfactant and fluoride.
    Type: Grant
    Filed: January 31, 2018
    Date of Patent: October 11, 2022
    Assignee: Evonik Operations GmbH
    Inventors: Hans Henning Wenk, Kathrin Daniela Brandt, Martin Schilling, Verena Dahl, Jochen Kleinen, Joachim Venzmer
  • POLYOL ETHER-BASED FOAM ADDITIVES FOR POLYURETHANE DISPERSIONS HAVING HIGH FILLER CONTENTS
    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
  • POLYOL ESTER-BASED FOAM ADDITIVES FOR POLYURETHANE DISPERSIONS HAVING HIGH FILLER CONTENTS
    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
  • Polysiloxane-containing concentrates with improved storage stability and use thereof in textile care compositions
    Patent number: 11312926
    Abstract: The invention relates to novel concentrates containing polysiloxanes having improved stability and improved performance properties and to the use thereof in laundry and cleaning formulations, preferably in fabric care compositions.
    Type: Grant
    Filed: September 19, 2018
    Date of Patent: April 26, 2022
    Assignee: Evonik Operations GmbH
    Inventors: Alexandra Trambitas, Verena Dahl, Joachim Venzmer, Jens Hildebrand
  • Rhamnolipid amides for hair scent retention
    Patent number: 10941173
    Abstract: The invention provides derivatives of rhamnolipids, formulations comprising these, and the use thereof.
    Type: Grant
    Filed: February 15, 2017
    Date of Patent: March 9, 2021
    Assignee: Evonik Operations GmbH
    Inventors: Xin Lu, Sandra Nattland, Monica Desiree van Logchem, Hans Henning Wenk, Fabien Cabirol, Verena Dahl, Ralph Scheuermann, Kathrin Daniela Brandt, Jochen Kleinen
  • POLYSILOXANE-CONTAINING CONCENTRATES WITH IMPROVED STORAGE STABILITY AND USE THEREOF PREFERABLY IN TEXTILE CARE COMPOSITIONS
    Publication number: 20200299616
    Abstract: The invention relates to novel concentrates containing polysiloxanes having improved stability and improved performance properties and to the use thereof in laundry and cleaning formulations, preferably in fabric care compositions.
    Type: Application
    Filed: September 19, 2018
    Publication date: September 24, 2020
    Inventors: Alexandra TRAMBITAS, Verena DAHL, Joachim VENZMER, Jens HILDEBRAND
  • MICROEMULSION COMPRISING QUATERNARY AMMONIUM COMPOUND, ESPECIALLY FOR PRODUCTION OF FABRIC SOFTENER FORMULATIONS
    Publication number: 20200283707
    Abstract: The invention provides for the use of specific microemulsions comprising quaternary ammonium compounds for production of clear fabric softener formulations having improved performance properties, and also the corresponding formulations and a process for production thereof.
    Type: Application
    Filed: September 6, 2018
    Publication date: September 10, 2020
    Inventors: Verena Dahl, Jochen KLEINEN, Miyako HISAMOTO, Jens HILDEBRAND, Alexandra TRAMBITAS, Erin KING, Kristin KLOSTERMANN, Iwona WINTER
  • USE OF POLYOLETHERS FOR PRODUCING POROUS PLASTIC COATINGS
    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
  • Rhamnolipid esters as nonionic surfactants for cosmetic use
    Patent number: 10676495
    Abstract: The invention provides ester derivatives of rhamnolipids, formulations comprising these, and the use thereof.
    Type: Grant
    Filed: February 15, 2017
    Date of Patent: June 9, 2020
    Assignee: Evonik Operations GmbH
    Inventors: Xin Lu, Sandra Nattland, Monica Desiree van Logchem, Hans Henning Wenk, Fabien Cabirol, Verena Dahl, Ralph Scheuermann, Kathrin Daniela Brandt, Jochen Kleinen
  • COMPOSITION CONTAINING QUATERNARY AMMONIUM COMPOUND, ESPECIALLY FOR PRODUCING CARE AND CLEANING FORMULATIONS
    Publication number: 20200155436
    Abstract: The invention relates to a composition comprising: A) at least one non-silicone-containing quaternary ammonium compound, B) at least one cosmetic oil, C) at least one nonionic surfactant, D) at least one nonaqueous solvent, E) water.
    Type: Application
    Filed: August 14, 2018
    Publication date: May 21, 2020
    Applicant: Evonik Operations GmbH
    Inventors: Christian Hartung, Matthias Mentel, Verena Dahl, Peter Schwab, Kristin Klostermann, Patrick Winter, Jochen Kleinen
  • Skin cleansing composition containing rhamnolipid and siloxane
    Patent number: 10544384
    Abstract: The invention provides compositions comprising at least one rhamnolipid and at least one siloxane, characterized in that the weight ratio of rhamnolipid to siloxane is from 5,000,000:1 to 100:1, preferably from 500,000:1 to 1000:1, particularly preferably from 25,000:1 to 2500:1. In another embodiment, the invention provides compositions include rhamnolipid in an amount of from 0.5% by weight to 70% by weight, preferably from 2% by weight to 60% by weight, particularly preferably from 3% by weight to 50% by weight, where the percentages by weight refer to the total composition.
    Type: Grant
    Filed: February 8, 2016
    Date of Patent: January 28, 2020
    Assignee: Evonik Degussa GmbH
    Inventors: Ralph Scheuermann, Marcel Pickl, Michael Ferenz, Hans Henning Wenk, Martin Schilling, Kathrin Daniela Brandt, Verena Dahl
  • ORAL CARE COMPOSITION CONTAINING AT LEAST ONE BIOSURFACTANT AND FLUORIDE
    Publication number: 20190307657
    Abstract: The present invention relates to oral care compositions comprising at least one biosurfactant and fluoride.
    Type: Application
    Filed: January 31, 2018
    Publication date: October 10, 2019
    Applicant: Evonik Degussa GmbH
    Inventors: Hans Henning Wenk, Kathrin Daniela Brandt, Martin Schilling, Verena Dahl, Jochen Kleinen, Joachim Venzmer
  • USE OF POLYOLESTERS FOR PRODUCING POROUS PLASTIC COATINGS
    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
  • Rhamnolipid Esters As Nonionic Surfactants For Cosmetic Use
    Publication number: 20190256542
    Abstract: The invention provides ester derivatives of rhamnolipids, formulations comprising these, and the use thereof.
    Type: Application
    Filed: February 15, 2017
    Publication date: August 22, 2019
    Applicant: Evonik Degussa GmbH
    Inventors: Xin Lu, Sandra Nattland, Monica Desiree van Logchem, Hans Henning Wenk, Fabien Cabirol, Verena Dahl, Ralph Scheuermann, Kathrin Daniela Brandt, Jochen Kleinen
  • Peg free stable low viscosity oil-in-water emulsion and use thereof
    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
  • Rhamnolipid Amides For Hair Scent Retention
    Publication number: 20190040095
    Abstract: The invention provides derivatives of rhamnolipids, formulations comprising these, and the use thereof.
    Type: Application
    Filed: February 15, 2017
    Publication date: February 7, 2019
    Applicant: Evonik Degussa GmbH
    Inventors: Xin Lu, Sandra Nattland, Monica Desiree van Logchem, Hans Henning Wenk, Fabien Cabirol, Verena Dahl, Ralph Scheuermann, Kathrin Daniels Brandt, Jochen Kleinen
  • PEG FREE STABLE LOW VISCOSITY OIL-IN-WATER EMULSION AND USE THEREOF
    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
  • COMPOSITION CONTAINING RHAMNOLIPID AND SILOXANE
    Publication number: 20180016525
    Abstract: The invention provides compositions comprising at least one rhamnolipid and at least one siloxane, characterized in that the weight ratio of rhamnolipid to siloxane is from 5,000,000:1 to 100:1, preferably from 500,000:1 to 1000:1, particularly preferably from 25,000:1 to 2500:1. In another embodiment, the invention provides compositions include rhamnolipid in an amount of from 0.5% by weight to 70% by weight, preferably from 2% by weight to 60% by weight, particularly preferably from 3% by weight to 50% by weight, where the percentages by weight refer to the total composition.
    Type: Application
    Filed: February 8, 2016
    Publication date: January 18, 2018
    Inventors: Ralph Scheuermann, Marcel Pickl, Michael Ferenz, Hans Henning Wenk, Martin Schilling, Kathrin Daniela Brandt, Verena Dahl