Patents by Inventor Alfried Kiehl

Alfried Kiehl 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).

  • Coating agent, method and coated substrate surface
    Patent number: 7387830
    Abstract: The invention concerns a coating agent for cellulose-bearing substrate surfaces comprising a liquid phase and binding agent, wherein the coating agent includes platelet-shaped pigments and a bonding agent, wherein the platelet-shaped pigments are corrosion-resistant and impermeable to UV light and wherein the bonding agent produces a bond between pigment, binding agent and the cellulose-bearing substrate surface. The invention further concerns the use of the coating agent according to the invention as well as coated cellulose-bearing substrate surfaces.
    Type: Grant
    Filed: May 22, 2003
    Date of Patent: June 17, 2008
    Assignee: Eckart GmbH & Co. Kg.
    Inventors: Robert Maul, Alfried Kiehl, Otto W. Gordon, Kàroly Donders
  • Effect pigments coated with reactive orientation aids
    Patent number: 7172812
    Abstract: The subject of the invention is an effect pigment which is coated with surface-modifying agents, wherein the initial pigment has a layer with at least one reactive surface-modifying agent, wherein the surface-modifying agent is a compound which has at least two functional groups which are different from each other and which are spaced by a spacer, chemically bound to the initial pigment. Also described is a process for the production of an effect pigment of that kind.
    Type: Grant
    Filed: June 9, 2004
    Date of Patent: February 6, 2007
    Assignee: Eckart-Werke Standard Bronzepūlver-Werke Carl-Eckart GmbH & Co.
    Inventors: Klaus Greiwe, Alfried Kiehl
  • Coating agent, method and coated substrate surface
    Publication number: 20050260352
    Abstract: The invention concerns a coating agent for cellulose-bearing substrate surfaces comprising a liquid phase and binding agent, wherein the coating agent includes platelet-shaped pigments and a bonding agent, wherein the platelet-shaped pigments are corrosion-resistant and impermeable to UV light and wherein the bonding agent produces a bond between pigment, binding agent and the cellulose-bearing substrate surface. The invention further concerns the use of the coating agent according to the invention as well as coated cellulose-bearing substrate surfaces.
    Type: Application
    Filed: May 22, 2003
    Publication date: November 24, 2005
    Applicant: Eckart GMBH & CO.KG
    Inventors: Robert Maul, Alfried Kiehl, Otto Gordon, Karoly Donders
  • Effect pigments coated with reactive orientation aids
    Publication number: 20040226480
    Abstract: The subject of the invention is an effect pigment which is coated with surface-modifying agents, wherein the initial pigment has a layer with at least one reactive surface-modifying agent, wherein the surface-modifying agent is a compound which has at least two functional groups which are different from each other and which are spaced by a spacer, chemically bound to the initial pigment. Also described is a process for the production of an effect pigment of that kind.
    Type: Application
    Filed: June 9, 2004
    Publication date: November 18, 2004
    Applicant: Eckart-Werke Standard Bronzepulver-Werke Carl-Eckart GMBH & Co.
    Inventors: Klaus Greiwe, Alfried Kiehl
  • Effect pigments coated with reactive orientation aids
    Patent number: 6761762
    Abstract: The subject of the invention is an effect pigment which is coated with surface-modifying agents, wherein the initial pigment has a layer with at least one reactive surface-modifying agent, wherein the surface-modifying agent is a compound which has at least two functional groups which are different from each other and which are spaced by a spacer, chemically bound to the initial pigment. Also described is a process for the production of an effect pigment of that kind.
    Type: Grant
    Filed: January 2, 2001
    Date of Patent: July 13, 2004
    Assignee: Eckart-Werke Standard Bronzepulver-Werker Carl-Eckart GmbH & Co.
    Inventors: Klaus Greiwe, Alfried Kiehl