Patents by Inventor Hartmut Schmidt-Lewerkuhne

Hartmut Schmidt-Lewerkuhne 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).

  • Alkyl 2-acetamido-2-deoxyglucopyranoside and methods of emulsifying
    Patent number: 6387961
    Abstract: Alkyl 2-acetamido-2-deoxy-D-glucopyranoside uronic acids, and their pharmaceutically or cosmetically acceptable salts, and their use as surface-active and/or interfacially active active compounds, in particular as detergent surfactants or emulsifiers.
    Type: Grant
    Filed: September 12, 2000
    Date of Patent: May 14, 2002
    Assignee: Beiersdorf AG
    Inventors: Günther Schneider, Hartmut Schmidt-Lewerkühne, Joachim Thiem, Oliver Scheel
  • Alkyl 2-acetamido-2-deoxyglucopyranoside uronic acids and derivatives, their preparation and their use as surfactants in cosmetic and pharmaceutical preparations
    Patent number: 6156326
    Abstract: Alkyl 2-acetamido-2-deoxy-D-glucopyranoside uronic acids, and their pharmaceutically or cosmetically acceptable salts, and their use as surface-active and/or interfacially active active compounds, in particular as detergent surfactants or emulsifiers.
    Type: Grant
    Filed: December 23, 1999
    Date of Patent: December 5, 2000
    Assignee: Beiersdorf AG
    Inventors: Gunther Schneider, Hartmut Schmidt-Lewerkuhne, Joachim Thiem, Oliver Scheel
  • Hair cosmetic formulations based on phytosterols and .alpha.-hydroxycarboxylic acids
    Patent number: 6156296
    Abstract: Hair cosmetic active compound combinations of(a) one or more phytosterols and(b) one or more .alpha.-hydroxycarboxylic acids and/or .alpha.-ketocarboxylic acids and/or salicylic acid.
    Type: Grant
    Filed: March 3, 1997
    Date of Patent: December 5, 2000
    Assignee: Beiersdorf Aktiengesellschaft
    Inventors: Jan-Henric Riedel, Klaus Korbacher, Roland Hengel, Hartmut Schmidt-Lewerkuhne
  • Alkyl 2-acetamido-2-deoxyglucopyranoside uronic acids and their preparation
    Patent number: 6037460
    Abstract: Alkyl 2-acetamido-2-deoxy-D-glucopyranoside uronic acids, and their pharmaceutically or cosmetically acceptable salts, and their use as surface-active and/or interfacially active active compounds, in particular as detergent surfactants or emulsifiers.
    Type: Grant
    Filed: April 24, 1997
    Date of Patent: March 14, 2000
    Assignee: Beiersdorf AG
    Inventors: Gunther Schneider, Hartmut Schmidt-Lewerkuhne, Joachim Thiem, Oliver Scheel
  • Shower oil
    Patent number: 5653988
    Abstract: Cosmetic or dermatological shower formulations, characterized by(a) containing a content of not more than 55% by weight, based on the total weight of the formulations, of one or more surfactants selected from the group offatty alcohol ethoxylates, fatty alcohol sulphates, amides of fatty alcohol sulphates, fatty alcohol ether sulphates, amides of fatty alcohol ether sulphates, fatty acid monoethanolamides, fatty acid diethanolamides,(b) a content of not less than 45% by weight, based on the total weight of the formulations, of one or more oil components selected from the group of oils with a high content of triglycerides of saturated and/or unsaturated, branched and/or unbranched fatty acids,or exclusively such triglycerides,(c) optionally containing further surfactants,(d) optionally containing further cosmetic or pharmaceutical auxiliaries, additives and/or active substances,(e) where the formulations are essentially anhydrous.
    Type: Grant
    Filed: June 30, 1995
    Date of Patent: August 5, 1997
    Assignee: Beiersdorf Aktiengesellschaft
    Inventors: Bozena Gerber, Otto Stelling, Robert Schmucker, Hartmut Schmidt-Lewerkuhne