Patents by Inventor Eva Kiewert

Eva Kiewert 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: 6555515
    Abstract: The invention relates to new formulations for cleaning hard surfaces containing—based on the formulation—1 to 50% by weight of alkyl oligoglucosides corresponding to formula (I): R1O—[G]p  (I) in which R1 is an at least partly branched alkyl radical containing 9 to 11 carbon atoms, G is a glucose unit and p is a number of 1.4 to 2.0. The products are distinguished by an improved cleaning performance in relation to formulations based on linear alkyl oligoglucosides.
    Type: Grant
    Filed: December 6, 1996
    Date of Patent: April 29, 2003
    Assignee: Henkel Kommanitgesellschaft auf Aktien
    Inventors: Udo Hees, Eva Kiewert, Rainer Eskuchen
  • Patent number: 6251849
    Abstract: Cationic polymers comprising at least 40 mole percent monomer units of the formula (I): wherein n is 2 to 4, R1 is hydrogen or methyl, and R2, R3 and R4 independently are hydrogen, C1-4 alkyl or C1-4 alkenyl, and X− is an anion selected from the group consisting of halide anions and monoalkyl anions of sulfuric acid semiester are used as soil-release compounds in hard surface cleaners.
    Type: Grant
    Filed: December 18, 1998
    Date of Patent: June 26, 2001
    Assignee: Henkel Kommanditgesellschaft Auf Aktien
    Inventors: Rainer Jeschke, Ludwig Schieferstein, Katica Bocarac, Paul Birnbrich, Herbert Fischer, Rainer Kade, Eva Kiewert, Dieter Nickel, Horst-Dieter Speckmann, Juan-Carlos Wuhrmann
  • Patent number: 5856290
    Abstract: A disinfectant-containing hard surface cleaner composition having increased bacteria count-reducing efficacy is provided by adding thereto a mixture of an alkyl or alkenyl oligoglycoside and certain C.sub.8 -C.sub.18 alkyl ethers.
    Type: Grant
    Filed: August 20, 1996
    Date of Patent: January 5, 1999
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Gregory van Buskirk, Karl-Heinz Disch, Carsten Friese, Eva Kiewert, Birgit Middelhauve
  • Patent number: 5780416
    Abstract: A water-containing cleaning composition having a pH value of 3.0 to 6.5 containing 0.1% to 50% by weight of at least one alkyl glycoside corresponding to formula (I):R.sup.1 --O--?G!.sub.xwherein R.sup.1 is a branched or linear, saturated or unsaturated alkyl group containing 6 to 11 carbon atoms, G is a glycose or xylose unit and x is a number of 1 to 10, 0. 1 % to 30% by weight of at least one fatty alcohol ether corresponding to formula (II) ##STR1## in which R.sup.2 is an alkyl radical containing 6 to 12 carbon atoms, m is a number of 0.5 to 3.0 and n is a number of 4.0 to 12.0, based on the weight of the composition, and which is free from hydrotropes based on organic acids.
    Type: Grant
    Filed: October 10, 1996
    Date of Patent: July 14, 1998
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Eva Kiewert, Ronald Menke, Birgit Middelhauve
  • Patent number: 5756442
    Abstract: Pourable, liquid, aqueous cleaning concentrates comprisinga) at least about 10% by weight of at least one water soluble abrasive; andb) from about 2 to about 30% by weight of a mixture of narrow-range alkyl polyglycol ethers, amphoteric surfactants and soap, the ratio by weight of amphoteric surfactants to narrow-range alkyl polyglycol ethers being 1:10 to 3:1, the ratio by weight of amphoteric surfactants to soap being 15:1 to 1:3 and the ratio by weight of narrow-range alkyl polyglycol ethers to soap being 25:1 and 1:1.
    Type: Grant
    Filed: December 11, 1995
    Date of Patent: May 26, 1998
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Rainer Jeschke, Eva Kiewert, Katica Bocarac, Rainer Hofmann
  • Patent number: 5753606
    Abstract: A water-containing detergent or cleaning composition comprisingA) at least one alkyl polyglycosides corresponding to the formula R.sup.1 --O--(Z).sub.x (I), where R.sup.1 is a linear or branched, saturated or unsaturated alkyl group containing 8 to 18 carbon atoms, Z is a sugar unit, and x is an integer of 1 to 10; andB) at least one fatty acid alkyl ester alkoxylate of the formula R.sup.2 CO.sub.2 --(AO).sub.y --R.sup.3 (II), where R.sup.2 is a branched or linear, saturated or unsaturated alkyl group containing 5 to 21 carbon atoms, AO is a C.sub.2-4 alkylene oxide unit, y is a number of 1 to 30 and R.sup.3 is a linear or branched alkyl group containing 1 to 6 carbon atoms; and methods for using the above composition.
    Type: Grant
    Filed: March 4, 1996
    Date of Patent: May 19, 1998
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Udo Hees, Eva Kiewert, Ansgar Behler, Astrid Haferkamp, Kerstin Link, Amerigo Pastura, Nada Volf, Guenther Vogt
  • Patent number: 5591376
    Abstract: A process for cleaning hard surfaces comprising contacting the hard surfaces with a composition containing:(a) from 0.1 to 50% by weight, based on the weight of the composition, of an alkyl polyglucoside having the general formula R O Z.sub.x wherein R is C.sub.8-10, O is oxygen, x is an integer from 1 to 6, and Z is a sugar unit;(b) from 0.001 to 30% by weight, based on the weight of the composition, of a C.sub.6-16 fatty alcohol alkoxylate having an HLB value greater than 10;(c) from 0.001 to 15% by weight, based on the weight of the composition, of a C.sub.8-22 fatty acid; and(d) the balance up to 100% water.
    Type: Grant
    Filed: November 29, 1994
    Date of Patent: January 7, 1997
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Eva Kiewert, Peter Jeschke, Birgit Middelhauve, Giuseppe Carrer
  • Patent number: 5576284
    Abstract: A disinfectant-containing hard surface cleaner composition having increased bacteria count-reducing efficacy is provided by adding thereto a mixture of an alkyl or alkenyl oligoglycoside and certain C.sub.8 -C.sub.18 alkyl ethers.
    Type: Grant
    Filed: September 26, 1994
    Date of Patent: November 19, 1996
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Gregory van Buskirk, Karl-Heinz Disch, Carsten Friese, Eva Kiewert, Birgit Middelhauve
  • Patent number: 5562856
    Abstract: A pourable, aqueous cleaning composition containing:(a) at least 50% by weight of sodium bicarbonate having a mean particle size of about 200.+-.100 .mu.m;(b) from about 2 to 30% by weight of a surfactant mixture selected from alkyl sulfates, alkyl ether sulfates, narrow-range alkyl polyglycol ethers and soap; and(c) the remainder, water.
    Type: Grant
    Filed: February 22, 1995
    Date of Patent: October 8, 1996
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Rainer Jeschke, Eva Kiewert, Karl-Heinz Disch, Katica Bocarac
  • Patent number: 5507971
    Abstract: A composition and process for cleaning hard surfaces, the composition containing from 0.001 to 2% by weight, based on the weight of the composition, of a detergency booster comprising a copolymer of(a) from 20 to 80% by weight of esters selected from the group consisting of acrylic acid and methacrylic acid containing 1 to 4 carbon atoms in the alcohol component, and(b) from 20 to 80% by weight of acrylic acid or methacrylic acid, wherein the copolymer has an intrinsic viscosity of at least 200 ml.g.sup.-1 as measured in tetrahydrofuran at 20.degree. C.
    Type: Grant
    Filed: September 27, 1994
    Date of Patent: April 16, 1996
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Dimitrios Ouzounis, Ulrich Eicken, Eva Kiewert, Herbert Fischer
  • Patent number: 5484548
    Abstract: Scouring powders containing abrasives and an alkyl glycoside having a degree of oligomerization of from 1.2. to 1.4. These scouring powders are low foaming in the presence of water.
    Type: Grant
    Filed: July 29, 1993
    Date of Patent: January 16, 1996
    Assignee: Henkel Kommanditgesellschft auf Aktien
    Inventors: Eva Kiewert, Lothar Pioch, Wolfgang Seiter, Winfried Wichelhaus
  • Patent number: 4965014
    Abstract: The invention relates to a liquid mixture of propylene oxide-ethylene oxide derivatives of alcohols corresponding to the following formulaR--O--C.sub.3 H.sub.5 O.sub.1-2 --(C.sub.2 H.sub.4 O).sub.6-8 --Hin which R is a linear alkyl or alkenyl radical which may be methyl-branched in the 2-position, and which has the following chain distribution: C.sub.8 =0 to 5%, C.sub.9-10 =75 to 90%, C.sub.11-12 =5 to 15%, C.sub.13-14 =4 to 10%, C.sub.15-16 =0 to 3%. By virtue of its physical and washing-active properties, the mixing is suitable as a readily biodegradable substitute for alkylphenol ethoxylates.
    Type: Grant
    Filed: June 1, 1989
    Date of Patent: October 23, 1990
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Peter Jeschke, Eva Kiewert, Claus Nieendick, Hans Nuesslein, Peter Sandkuehler
  • Patent number: 4784789
    Abstract: A liquid cleaning preparation for hard surfaces comprising an amphoteric polymer compound containing both anionic and cationic centers in the molecular thereof. The polymer is obtained by copolymerization of a cationic vinyl monomer with an anionic vinyl polymer, and in a 0.01% solution of water having a German hardness of 16.degree.d produces irreversible hydrophilization of polyvinyl chloride with increments in the wetting tension of at least 3 mN/m.The preparation may contain an anionic, nonionic, cationic or amphoteric surfactant or mixtures thereof. The polymer compound is present in an amount of from about 0.01% to about 10% by weight, based on the weight of the preparation, and the surfactant is present in a weight ratio of polymer to surfactant of from about 20:1 to about 1:1.
    Type: Grant
    Filed: April 28, 1987
    Date of Patent: November 15, 1988
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Peter Jeschke, Eva Kiewert, Ludwig Schieferstein, Klaus Schumann, Klaus-Dieter Wisotzki
  • Patent number: 4666615
    Abstract: A composition of matter, preferably a liquid cleaning preparation for hard surfaces, comprising from 1 to 30, preferably 2 to 30, parts by weight of:(a) adducts of ethylene oxide, preferably from 3 to 20 moles, with aliphatic hydroxyamines, preferably vicinal internal or terminal hydroxyamines, having a linear alkyl chain (C.sub.10-20) and containing from 1 to 4 carbon atoms in the alkylamine residue; and(b) linear alkylaryl, preferably alkylbenzene, sulfonates or alkane sulfonates wherein (a) and (b) are in a ratio of from 1:1 to 1:18. The liquid preparation may contain water and other suitable cleaning ingredients.
    Type: Grant
    Filed: August 16, 1985
    Date of Patent: May 19, 1987
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Karlheinz Disch, Eva Kiewert
  • Patent number: 4569782
    Abstract: A detergent composition for hard surfaces containing a fatty acid cyanamide, a secondary (non-cyanamide) surfactant and/or a water-soluble polymer.
    Type: Grant
    Filed: June 8, 1984
    Date of Patent: February 11, 1986
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Karlheinz Disch, Eva Kiewert, Maria Weichbrodt, Christian Hase
  • Patent number: 4438016
    Abstract: Stable, aqueous cleaning agents containing (a) anionic and/or nonionic surfactants, optionally chlorine-stable, (b) an abrasive component and/or (c) an active-chlorine-releasing compound and, optionally, (d) dyes and (e) fragrances, characterized in (f) a further content of amorphous calcium aluminum silicates precipitated in situ; and the process of their preparation wherein the various ingredients are mixed and the amorphous calcium aluminum silicates are formed by precipitation therein.
    Type: Grant
    Filed: March 16, 1983
    Date of Patent: March 20, 1984
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Eva Kiewert, Karlheinz Disch
  • Patent number: 4343725
    Abstract: Aqueous-based cleansers for windows, mirrors and reflecting surfaces, free of builder salts and organic solvents consisting essentially of:from 0.1% to 0.5% by weight of a water-soluble, nonionic polyoxyethylene glycol polymer having a molecular weight of between 300,000 and 4,000,000,from 0.1% to 5% by weight of at least one water-soluble, synthetic surface-active compound selected from the group consisting of synthetic anionic surface-active compounds, nonionic surface-active compounds, cationic surface-active compounds, and compatible mixtures thereof,from 0% to 5% by weight of water-soluble, alkaline-reacting compounds,from 0% to 1% by weight of customary auxiliary agents selected from the group consisting of odorants, colorants and preservatives,and the remainder to 100% by weight of demineralized water.The aqueous-based cleansers of the invention dry streak free and give an antifogging effect.
    Type: Grant
    Filed: August 30, 1979
    Date of Patent: August 10, 1982
    Assignee: Henkel Kommanditgesellschaft auf Aktien (Henkel KGaA)
    Inventors: Eva Kiewert, Karlheinz Disch, Jurgen Wegner
  • Patent number: 4175062
    Abstract: Liquid cleanser compositions for cleaning hard surfaces comprising an aqueous solution containing from 2 to 30% by weight of a mixture consisting of:(a) adducts of 3 to 30 mols of ethylene oxide onto vicinal alkanediols having 10 to 20 carbon atoms or monoalkyl ethers of said alkanediols with 1 to 4 carbon atoms in the alkyl, and(b) linear alkylbenzene sulfonic acids and/or linear alkane sulfonic acids, each with 8 to 20 carbon atoms in the alkyl or alkane, and their water-soluble salts, in a weight ratio of a:b of from 1:1 to 1:20.
    Type: Grant
    Filed: March 6, 1978
    Date of Patent: November 20, 1979
    Assignee: Henkel Kommanditgesellschaft auf Aktien (Henkel KgaA)
    Inventors: Karlheinz Disch, Eva Kiewert
  • Patent number: 4122025
    Abstract: Liquid scouring cleaning compositions containing 30% to 60% by weight of cristobalite having a grain size of less than 150 .mu., a surfactant, a thickening agent, and a liquid carrier, which compositions are white, stable suspensions.
    Type: Grant
    Filed: April 27, 1977
    Date of Patent: October 24, 1978
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Eva Kiewert, Karlheinz Disch