Patents by Inventor Uwe Lenz

Uwe Lenz 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: 20190225813
    Abstract: A pigment mixture comprising at least two or three interference pigments of different interference colours selected from the colours red, green and blue, suitable for use in paints, coatings, printing inks, security printing inks, plastics, ceramic materials, glasses and in the preparation of pigment preparations, dry preparations and in particular cosmetic formulations.
    Type: Application
    Filed: January 23, 2019
    Publication date: July 25, 2019
    Applicant: MERCK PATENT GMBH
    Inventors: Christoph SCHMIDT, Carsten PLUEG, Uwe LENZ, Sabine SCHOEN
  • Patent number: 7273058
    Abstract: The method for simultaneously dyeing and permanent shaping of hair includes winding hair strands onto curlers; mixing a dye component (B) containing 1 to 10 percent by weight of one or more dye compound and an amount of a keratin-reducing substance with a shaping component (A) containing from 6 to 15% by weight of the keratin-reducing substance in a weight ratio of from about 1:1 to 1:10 to form a dyeing and shaping composition, which necessarily contains from 5 to 18% by weight of the keratin-reducing substance; then allowing the hair with the dyeing and shaping composition to act on the hair for an acting time sufficient for permanent shaping; after that, allowing a fixing composition to act on the hair for 1 to 40 minutes and then subsequently rinsing the hair. The dye component (B) contains 4,5-diaminopyrazole derivatives and certain aminophenol derivatives.
    Type: Grant
    Filed: November 16, 2004
    Date of Patent: September 25, 2007
    Assignee: Wella AG
    Inventors: Dieter Schonert, Anette Schmidt-Hoerr, Uwe Lenz
  • Patent number: 6945254
    Abstract: The method for simultaneously dyeing and permanent shaping of hair includes dividing the hair into strands an winding the strands onto curlers: mixing a hair shaping component (A) containing from 6 to 15 percent by weight of a keratin-reducing substance with a dye component (B) to form a dyeing and shaping composition prior to application on the hair; treating the hair with the dyeing and shaping composition and then allowing it to act on the hair for an acting time sufficient for the permanent shaping; after that, treating the hair with a fixing composition; allowing the fixing composition to act on the hair from 1 to 40 minutes and then subsequently rinsing the hair. The dye component (B) contains at least one oxidative coupler compound and at least one oxidative dyestuff selected from a group consisting of certain 4,5-diamino-pyrazole derivatives and certain aminophenol derivatives.
    Type: Grant
    Filed: July 18, 2002
    Date of Patent: September 20, 2005
    Assignee: Wella Aktiengesellschaft
    Inventors: Dieter Schonert, Anette Schmidt-Hoerr, Uwe Lenz
  • Publication number: 20050086749
    Abstract: The method for simultaneously dyeing and permanent shaping of hair includes winding hair strands onto curlers; mixing a dye component (B) containing 1 to 10 percent by weight of one or more dye compound and an amount of a keratin-reducing substance with a shaping component (A) containing from 6 to 15% by weight of the keratin-reducing substance in a weight ratio of from about 1:1 to 1:10 to form a dyeing and shaping composition, which necessarily contains from 5 to 18% by weight of the keratin-reducing substance; then allowing the hair with the dyeing and shaping composition to act on the hair for an acting time sufficient for permanent shaping; after that, allowing a fixing composition to act on the hair for 1 to 40 minutes and then subsequently rinsing the hair. The dye component (B) contains 4,5-diaminopyrazole derivatives and certain aminophenol derivatives.
    Type: Application
    Filed: November 16, 2004
    Publication date: April 28, 2005
    Inventors: Dieter Schonert, Anette Schmidt-Hoerr, Uwe Lenz
  • Publication number: 20030084518
    Abstract: The method for simultaneously dyeing and permanent shaping of hair includes mixing a hair shaping component (A) containing from 6 to 15 percent by weight of a keratin-reducing substance with a dye component (B) to form a dyeing and shaping composition prior to application on the hair; treating the hair with the dyeing and shaping composition and then allowing it to act on the hair for from 3 to 30 minutes; after that, treating the hair with a fixing composition; allowing the fixing composition to act on the hair from 1 to 40 minutes and then subsequently rinsing the hair. The dye component (B) contains at least one oxidative coupler compound and at least one oxidative dyestuff selected from a group consisting of certain 4,5-diaminopyrazole derivatives and certain amino-phenol derivatives.
    Type: Application
    Filed: July 18, 2002
    Publication date: May 8, 2003
    Inventors: Dieter Schonert, Anette Schmidt-Hoerr, Uwe Lenz
  • Patent number: 5865853
    Abstract: The composition for dyeing keratin fibers is mixed with water prior to use and contains from 35 to 75 percent by weight of at least one powdery vegetable dye material; from 25 to 65 percent by weight of at least one oil; and from 0.001 to 15 percent by weight of a physiologically unobjectionable nitro dye compound, azo dye compound, quinone dye compound and/or a triphenylmethane dye compound. A method of dyeing hair using this composition is also described.
    Type: Grant
    Filed: May 1, 1997
    Date of Patent: February 2, 1999
    Assignee: Wella Aktiengesellschaft
    Inventors: Manfred Schmitt, Uwe Lenz, Wolfgang Balzer, Henk Niessink
  • Patent number: 4659557
    Abstract: In a process for making ferrous sulphate in granule form, ferrous sulphate heptahydrate is mixed with fine-grain brown coal or lignite having a low water content, in such an amount that the resulting mixture is pourable.
    Type: Grant
    Filed: March 7, 1983
    Date of Patent: April 21, 1987
    Assignee: Rheinische Braunkohlenwerke AG.
    Inventors: Uwe Lenz, Gunter Ritter
  • Patent number: 4464479
    Abstract: In order to improve the handling capability of red mud, it is mixed with fine-grain coal material such as brown coal or lignite in dust form, in a ratio by weight of between 0.5-10:1. The liquid present in the red mud is bound by the very fine coal admixed therewith so that the resulting mixture can be stored in a silo and even pneumatically conveyed, and the oily properties of the red mud are removed by the treatment. The mixture is particularly suitable for use in connection with the hydrogenating liquefaction of coal in which the red mud is used as a catalyst.
    Type: Grant
    Filed: April 27, 1983
    Date of Patent: August 7, 1984
    Assignee: Rheinische Braunkohlenwerke AG
    Inventors: Gunter Ritter, Uwe Lenz, Paul Lazik