Patents by Inventor Rolf Kawa

Rolf Kawa 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: 20110039950
    Abstract: The present invention relates to nanoemulsions comprising alkyl and/or alkenyl ethers of alkyl and/or alkenyl (poly)glycosides, to a method for their preparation and also to their use. The present invention further relates to the alkyl and/or alkenyl ethers of alkyl and/or alkenyl (poly)glycosides themselves, and their use.
    Type: Application
    Filed: April 6, 2009
    Publication date: February 17, 2011
    Applicant: COGNIS IP MANAGEMENT GMBH
    Inventors: Ansgar Behler, Achim Ansmann, Catherine Weichold, Frank Clasen, Anja Wick, Eike Ulf Mahnke, Bjoern Klotz, Carsten Neumann, Matthias Hloucha, Rolf Kawa, Petra Schulte
  • Patent number: 7887825
    Abstract: An emulsifier composition including an ester selected from the group consisting of: pentaerythritol, dipentaerythritol, tripentaerythritol, and mixtures thereof; at least one alkoxylated nonionic emulsifier; and less than 10% by weight water, where partial glycerides may be present in an amount of less than 10% by weight, based on the amount of component (a) present in the composition, is provided. A process for the production of an emulsion, including dispersing the emulsifier composition in an oil phase; heating the emulsifier composition dispersed in the oil phase to a temperature above the phase inversion temperature thereof; heating an aqueous phase to a temperature above the phase inversion temperature thereof; and stirring the oil phase with the aqueous phase and cooling to room temperature is also provided. A cosmetic composition including the emulsifier composition is also provided.
    Type: Grant
    Filed: March 2, 2006
    Date of Patent: February 15, 2011
    Assignee: Cognis IP Management GmbH
    Inventors: Catherine Weichold, Helga Gondek, Ulrich Issberner, Rolf Kawa, Caroline Goget
  • Patent number: 7879915
    Abstract: The invention provides water-in-oil emulsions containing (a) 12-21% by weight of polyglyceryl-2 dipolyhydroxystearate, (b) 4-7% by weight of a hydrogenated ethoxylated castor oil, (c) 25-35% by weight of mineral oil, (d) 20-30% by weight of further oil substances (e), 3-5% by weight of hydrotropes, (f) 3-4% by weight of metal soaps and (g) 10-30% by weight of water, based on the overall composition. The emulsions are useful for finishing textiles and papers.
    Type: Grant
    Filed: November 29, 2007
    Date of Patent: February 1, 2011
    Assignee: Cognis IP Management GmbH
    Inventors: Jorg Sorns, Rolf Kawa, Stephen Eichhorn, Andrea Urban
  • Publication number: 20100242796
    Abstract: The invention provides water-in-oil emulsions containing (a) 12-21% by weight of polyglyceryl-2 dipolyhydroxystearate, (b) 4-7% by weight of a hydrogenated ethoxylated castor oil, (c) 25-35% by weight of mineral oil, (d) 20-30% by weight of further oil substances (e), 3-5% by weight of hydrotropes, (f) 3-4% by weight of metal soaps and (g) 10-30% by weight of water, based on the overall composition. The emulsions are useful for finishing textiles and papers.
    Type: Application
    Filed: November 29, 2007
    Publication date: September 30, 2010
    Applicant: COGNIS IP MANAGEMENT GMBH
    Inventors: Jorg Sorns, Rolf Kawa, Stephen Eichhorn, Andrea Urban
  • Publication number: 20100189673
    Abstract: The invention relates to hydrocarbon mixtures containing the 14C isotope, use thereof and cosmetic and/or pharmaceutical preparations comprising hydrocarbon mixtures containing the 14C isotope.
    Type: Application
    Filed: June 12, 2008
    Publication date: July 29, 2010
    Applicant: Cognis IP Management GmbH
    Inventors: Bettina Jackwerth, Markus Dierker, Rolf Kawa, Stefanie Maurer
  • Publication number: 20100183536
    Abstract: The invention relates to hydrocarbon mixtures containing linear C11 and linear C13 hydrocarbons, wherein the sum of the linear C11 and linear C13 hydrocarbons is greater than or equal to 60 wt. % with relation to the sum of the hydrocarbons, and to the use of said mixtures in cosmetic and/or pharmaceutical preparations.
    Type: Application
    Filed: June 12, 2008
    Publication date: July 22, 2010
    Applicant: Cognis IP Management GmbH
    Inventors: Achim Ansmann, Markus Dierker, Rolf Kawa, Yeah-Young Baek, Bettina Jackwerth
  • Publication number: 20100028275
    Abstract: The invention relates to alkyl benzoate mixtures, the sum of the C12- and C14-alkyl benzoates being greater than or equal to 85%, in relation to the total sum of the alkyl benzoates. The invention also relates to the use of said alkyl benzoate mixtures in cosmetic and/or pharmaceutical preparations, in particular as oil components.
    Type: Application
    Filed: September 18, 2007
    Publication date: February 4, 2010
    Applicant: Cognis IP Management GmbH
    Inventors: Achim Ansmann, Rolf Kawa, Hans-Dieter Clages, Lars Zander
  • Publication number: 20090314444
    Abstract: The present invention relates to a tissue paper comprising a lotion composition, said lotion being a liquid water-in-oil emulsion comprising (A) a hydrocarbon-based oil, (B) optionally at least one further oil, (C) 3 to 40 weight % of at least one non-ionic water-in-oil emulsifier, (D) 0.5 to 10 weight % of at least one coemulsifier based on an ethylene oxide-modified glyceride, (E) optionally 1 to 15 weight % of at least one humectant, (F) optionally up to 10 weight % of a metal soap, and (G) 6 to 35 weight % of water, wherein the weight % values relate to the total weight of the lotion composition. The lotioned tissue paper of the invention is very stable, shows excellent softness properties and is capable of efficiently transferring lotion to the skin of the user. Moreover, the lotion can be applied at relatively low temperatures and does not adversely affect the whiteness degree of the tissue paper.
    Type: Application
    Filed: November 29, 2007
    Publication date: December 24, 2009
    Applicant: COGNIS IP MANAGEMENT GMBH
    Inventors: Jörg Sorns, Rolf Kawa, Andrea Urban, Stephen Eichhorn
  • Patent number: 7622021
    Abstract: A process for making paper substrates having a soft feel involving: (a) providing a paper substrate; (b) providing an emulsion containing: (i) a polyol poly-12-hydroxystearate; (ii) a wax ester; and (iii) a wax; and (c) impregnating the paper substrate with the emulsion.
    Type: Grant
    Filed: February 4, 2000
    Date of Patent: November 24, 2009
    Assignee: Cognis IP Management GmbH
    Inventors: Guido Baumoeller, Rolf Kawa, Achim Ansmann, Stephan Eichhorn, Andrea Urban
  • Publication number: 20090258043
    Abstract: The invention relates to dispersions comprising water, lipophilic phase and emulsifier, characterized in that the emulsifier is present in an amount of less than or equal to 3% by weight based on the total weight of the dispersion, and in that the emulsifier comprises at least one acylglutamate. The dispersions of the invention are suitable for cosmetic and/or pharmaceutical preparations.
    Type: Application
    Filed: April 18, 2007
    Publication date: October 15, 2009
    Applicant: Cognis IP Management GmbH
    Inventors: Rainer Eskuchen, Caroline Goget, Rolf Kawa
  • Patent number: 7572435
    Abstract: A cosmetic composition containing: (a) an aqueous phase; (b) an oil phase containing cyclohexyl cyclohexane; (c) optionally, a surfactant; and (d) optionally, an auxiliary oil component.
    Type: Grant
    Filed: March 6, 2003
    Date of Patent: August 11, 2009
    Assignee: Cognis IP Management GmbH
    Inventors: Rolf Kawa, Achim Ansmann, Daniela Prinz, Sabine Both
  • Publication number: 20090082284
    Abstract: Oil-in-water emulsions of at least one non-ionic emulsifier; at least one anionic co-emulsifier; an oil component having a polarity of at least 20 mN/m or a mixture of oil components wherein at least 75 weight-% of the oils constituting the mixture have a polarity of at least 20 mN/m; 6 to 35 weight-% of water based on the total weight of the emulsion; and wherein the total amount of emulsifier(s) is between 4 and 20 weight-%, based on the total weight of the emulsion are disclosed. Cosmetic compositions which contain the emulsions are also disclosed.
    Type: Application
    Filed: November 16, 2006
    Publication date: March 26, 2009
    Inventors: Jorg Sorns, Rolf Kawa, Stephan Eichhorn, Andrea Urban
  • Patent number: 7452917
    Abstract: Oil-in-water emulsions comprised of: (a) a polyol poly-12-hydroxystearate polyester; (b) an alkyl polyglycoside; (c) an oil; and (d) from 5 to 30% by weight water. When used as paper additives, the emulsions significantly improve the softness and feel of the paper products.
    Type: Grant
    Filed: January 10, 2002
    Date of Patent: November 18, 2008
    Assignee: Cognis Deutschland GmbH & Co. KG
    Inventors: Guido Baumoeller, Rolf Kawa, Roland Spoerer, Stephan Eichhorn
  • Publication number: 20080249172
    Abstract: A storage-stable, smooth-feeling, non-comedogenic fatty acid ester mixture of 2-ethylhexanol and fatty acids comprising 2-ethylhexyl fatty acid esters, wherein the aggregate amount of C12 and C14 2-ethylhexyl fatty acid esters is 85% or more of the mixture, based on the total weight of all fatty acid esters in the mixture, which mixtures are useful in or as an oil component of a cosmetic or pharmaceutical preparation.
    Type: Application
    Filed: September 6, 2006
    Publication date: October 9, 2008
    Applicant: COGNIS IP MANAGEMENT GMBH
    Inventors: Achim Ansmann, Rolf Kawa, Lars Zander
  • Publication number: 20080249192
    Abstract: A wax mixture containing esters of at least one of pentaerythritol, dipentaerythritol, an tripentaerythritol and partial glycerides and a self-emulsifying base containing the wax mixture and an emulsifier which can be a nonionic emulsifier, anionic emulsifier and mixtures of the emulsifiers with an HLB value of at least 10.
    Type: Application
    Filed: March 26, 2005
    Publication date: October 9, 2008
    Inventors: Caroline Goget, Ulrich Issberner, Rolf Kawa, Catherine Weichold
  • Publication number: 20080223535
    Abstract: Toilet paper based on tissue paper being treated with an O/W emulsion comprising at least one non-ionic emulsifier, at least one anionic co-emulsifier, an oil component having a polarity of at least 20 mN/m or a mixture of oil components wherein at least 75 weight-% of the oils constituting the mixture have a polarity of at least 20 mN/m, 6 to 35 weight % of water, based on the total weight of the emulsion, wherein the total amount of emulsifiers and co-emulsifiers is between 4 and 20 weight based on the total weight of the emulsion. Since in the above lotion composition the external phase is aqueous, a web treated therewith can easily be wet by water and does not float on the water if it is to be disposed in a toilet.
    Type: Application
    Filed: May 27, 2008
    Publication date: September 18, 2008
    Applicant: SCA HYGIENE PRODUCTS GMBH
    Inventors: Stephan Eichhorn, Rolf Kawa, Jorg Sorns, Andrea Urban
  • Publication number: 20080166381
    Abstract: An emulsifier composition including an ester selected from the group consisting of: pentaerythritol, dipentaerythritol, tripentaerythritol, and mixtures thereof; at least one alkoxylated nonionic emulsifier; and less than 10% by weight water, where partial glycerides may be present in an amount of less than 10% by weight, based on the amount of component (a) present in the composition, is provided. A process for the production of an emulsion, including dispersing the emulsifier composition in an oil phase; heating the emulsifier composition dispersed in the oil phase to a temperature above the phase inversion temperature thereof; heating an aqueous phase to a temperature above the phase inversion temperature thereof; and stirring the oil phase with the aqueous phase and cooling to room temperature is also provided. A cosmetic composition including the emulsifier composition is also provided.
    Type: Application
    Filed: March 2, 2006
    Publication date: July 10, 2008
    Inventors: Catherine Weichold, Helga Gondeek, Ulrich Issberner, Rolf Kawa, Caroline Goget
  • Patent number: 7358279
    Abstract: Emulsions suitable for use in cosmetic and pharmaceutical compositions are disclosed. Various substrates for body care, such as wipes and pads, are disclosed, which substrates are impregnated with the emulsions. Such treated substrates are suitable for use, for example, in body care, sun protection, antiperspirant and insect repellent formulations. A process for cold temperature production of the emulsions is also disclosed.
    Type: Grant
    Filed: June 18, 2005
    Date of Patent: April 15, 2008
    Assignee: Cognis IP Management GmbH
    Inventors: Caroline Goget, Ulrich Issberner, Rolf Kawa, Joerg Sorns
  • Publication number: 20070248632
    Abstract: Emulsions suitable for use in cosmetic and pharmaceutical compositions are disclosed. Various substrates for body care, such as wipes and pads, are disclosed, which substrates are impregnated with the emulsions. Such treated substrates are suitable for use, for example, in body care, sun protection, antiperspirant and insect repellent formulations. A process for cold temperature production of the emulsions is also disclosed.
    Type: Application
    Filed: June 18, 2005
    Publication date: October 25, 2007
    Inventors: Caroline Goget, Ulrich Issberner, Rolf Kawa, Joerg Sorns
  • Patent number: 7285283
    Abstract: A paper substrate impregnated with an emulsion containing: (a) a polyol poly-12-hydroxystearate; (b) an oil component selected from the group consisting of a dialkyl ether, a dialkyl carbonate, a glyceride, a hydrocarbon, a silicone oil, and mixtures thereof; (c) up to about 20% by weight of a humectant; (d) up to about 10% by weight of an irritation-soothing agent; (e) up to about 10% by weight of a consistency factor; (f) up to about 15% by weight of a co-emulsifier; and (g) from about 5 to 25% by weight of water, all weights being based on the weight of the emulsion.
    Type: Grant
    Filed: January 10, 2002
    Date of Patent: October 23, 2007
    Assignee: Cognis Deutschland GmbH & Co. KG
    Inventors: Guido Baumoeller, Rolf Kawa, Stephan Eichhorn