Patents by Inventor Doris Oberkobusch

Doris Oberkobusch 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: 6743263
    Abstract: The present invention relates to a composition for coloring keratinaceous fibers and a method of using the same. The composition of the present invention contains (a) at least one pyrimidine derivative and (b) at least one compound selected from an m-phenylene derivative, an m-aminophenol derivative, a pyridine derivative, a resorcinol derivative, a methylenedioxybenzene derivative, or 3,4-diaminobenzoic acid or combinations thereof. The method of the present invention includes applying the coloring composition to keratin-containing fibers and subsequently rinsing the coloring composition from the fibers.
    Type: Grant
    Filed: October 31, 2001
    Date of Patent: June 1, 2004
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Horst Hoeffkes, Doris Oberkobusch, David Rose, Melanie Hitz
  • Patent number: 6146619
    Abstract: A process for permanently deforming keratin fibers is provided wherein the fiber is treated with 1) a keratin-reducing substance, 2) a physiologically compatible salt of an organic or inorganic acid anion and a divalent cation or Al.sup.3+, and 3) a compound selected from the group consisting of Vitamin C, Vitamin B.sub.5, derivatives thereof and mixtures thereof. The salt 2) and compound 3) can be applied in the form of a wave lotion or an intermediate treatment formulation. Also provided are wave lotions and hair treatment formulations comprising the salt 2) and the compound 3).
    Type: Grant
    Filed: February 25, 1999
    Date of Patent: November 14, 2000
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Hans-Wolfgang Cortekar, Doris Oberkobusch
  • Patent number: 5500475
    Abstract: Provided are thickeners based on an aqueous preparation of nonionic, water-dispersible or water-soluble polyurethanes, to their production and to their use. The nonionic, water-dispersible or water-soluble polyurethanes are obtainable by reaction of polyfunctional isocyanates with polyether polyols, monohydric alcohols and, if desired, polyhydric alcohols, wherein the monohydric alcohols contain at least one other polar group. Also provided is a process for the production of such thickeners. The thickeners are particularly suitable for thickening emulsion paints.
    Type: Grant
    Filed: May 10, 1994
    Date of Patent: March 19, 1996
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Ulrich Eicken, Herbert Fischer, Wolfgang Gress, Rainer Hoefer, Doris Oberkobusch, Ludwig Schieferstein
  • Patent number: 5397844
    Abstract: Polyacrylates and their use for powder coatings are disclosed. In order to prepare the polyacrylates, acrylic acid, methacrylic acid, their esters with C.sub.1 -C.sub.4 alcohols, and/or fumaric acid, maleic acid, and their anhydrides are first polymerized. The polymers are then reacted with long chain alcohols, one alcohol having an aliphatic chain with 6 to 36 carbon atoms and a second alcohol having a cyclic amide structure. This polyacrylate is suitable as a levelling agent for powder coatings, in particular for powder lacquers. It improves the flowing behavior by reducing the orange peel effect and improves flowability.
    Type: Grant
    Filed: February 7, 1994
    Date of Patent: March 14, 1995
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Herbert Fischer, Wolfgang Gress, Doris Oberkobusch
  • Patent number: 5286346
    Abstract: The invention relates to a process for deinking wastepaper in the presence of at least partly water-soluble polymers and/or copolymers containing amino and/or ammonium groups. Two examples of appropriate polymers/copolymers are neutralized polyethyleneimine and quaternized hydroxyethyl cellulose.
    Type: Grant
    Filed: May 23, 1991
    Date of Patent: February 15, 1994
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Konrad Engelskirchen, Herbert Fischer, Klaus Hornfeck, Doris Oberkobusch, Ludwig Schieferstein
  • Patent number: 5238533
    Abstract: The invention relates to a process for the removal of fillers from waste paper, after floatation of the printing ink, in the presence of at least partly water-soluble polymers and/or copolymers having number average molecular weights of 1,000 to 500,000 by flotation.
    Type: Grant
    Filed: February 28, 1992
    Date of Patent: August 24, 1993
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Konrad Engelskirchen, Herbert Fischer, Klaus Hornfeck, Doris Oberkobusch, Ludwig Schieferstein
  • Patent number: 5047259
    Abstract: Copolymers of long-chain alkyl acrylates corresponding to the following formulaCH.sub.2 .dbd.CR.sup.1 --CO--OR.sup.2 (I)in which R.sup.1 is a hydrogen atom or a methyl group and R.sup.2 is the residue of a C.sub.16-34 fatty alcohol, with N-containing olefins containing acrylate or methacrylate functions can be used as flow control agents for powder coatings.
    Type: Grant
    Filed: August 25, 1989
    Date of Patent: September 10, 1991
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Doris Oberkobusch, Wolfgang Gress, Bernd Wegemund
  • Patent number: 5006621
    Abstract: Copolymers of long-chain alkyl acrylates or methacrylates of the formulaCH.sub.2 .dbd.CR.sup.1 --CO--OR.sup.2 (I)in which R.sup.1 is a hydrogen atom or a methyl group and OR.sup.2 is a fatty alcohol radical with 16 to 34 carbon atoms and nitrogen-containing olefins can be used as flow improvers for crude oils.
    Type: Grant
    Filed: March 21, 1989
    Date of Patent: April 9, 1991
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Bernd Wahle, Claus-Peter Herold, Wolfgang Zoellner, Ludwig Schieferstein, Doris Oberkobusch
  • Patent number: 4859721
    Abstract: The invention relates to polymers of formula (I) ##STR1## in which R.sup.1 and R.sup.2 represent optionally substituted alkylene, cycloalkylene or phenylene radicals, A represents hydrogen or carboxyl groups, B represents hydrogen or groups derived from carboxylic acids or isocyanates. The invention also relates to aqueous epoxy resin dispersions containing one or more polymers of general formula (I) in addition to bases, acid, one or more emulsifiers and, optionally, other active substances and auxiliaries typically used in epoxy resin dispersions and also water.The invention also relates to a process for the production of such aqueous epoxy resin dispersions and to the use of such resins in processes for the autophoretic coating of metallic surfaces.
    Type: Grant
    Filed: August 17, 1988
    Date of Patent: August 22, 1989
    Assignee: Henkel Kommaditgesellschaft auf Aktien
    Inventors: Doris Oberkobusch, Roland Morlock, Karl-Heinz Stritzke, Ludwig Schieferstein