Patents by Inventor Alexander Lichtblau

Alexander Lichtblau 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: 7671110
    Abstract: The invention relates to a new method for improved distribution of a substance or mixture of substances in a carrier or substrate or in a mixture of different carriers or substrates. The invention likewise relates to the raw, multicomponent compositions, semi-finished products or end articles obtained by this method and also to the micropowders of the substance or mixture of substances that are used in the method. The invention relates in particular to the application of this method to the incorporation of additives into plastics and to the plastics additives micropowders prepared for that purpose.
    Type: Grant
    Filed: July 17, 2003
    Date of Patent: March 2, 2010
    Assignee: Clariant Produkte (Deutschland) GmbH
    Inventors: Matthias Zāh, Alexander Lichtblau
  • Publication number: 20060110589
    Abstract: The invention relates to a new method for improved distribution of a substance or mixture of substances in a carrier or substrate or in a mixture of different carriers or substrates. The invention likewise relates to the raw, multicomponent compositions, semi-finished products or end articles obtained by this method and also to the micropowders of the substance or mixture of substances that are used in the method. The invention relates in particular to the application of this method to the incorporation of additives into plastics and to the plastics additives micropowders prepared for that purpose.
    Type: Application
    Filed: July 17, 2003
    Publication date: May 25, 2006
    Inventors: Matthias Zaeh, Alexander Lichtblau
  • Patent number: 6992124
    Abstract: The present invention relates to a synergistic additives mixture for producing calendered polyolefin articles, comprising A) at least one component from the group of peroxide-destroying phosphorus or sulfur compounds, B) at least one component from the group of phenolic antioxidants, C) at least one component from the group of sterically hindered amines, and D) if desired, further additives. Using this additive mixture prevents sticking to the hot roll surfaces and reduces the degradation of the polymer.
    Type: Grant
    Filed: February 3, 1999
    Date of Patent: January 31, 2006
    Assignee: Clariant GmbH
    Inventors: Christian Wick, Gerhard Pfahler, Alexander Lichtblau
  • Patent number: 6787591
    Abstract: The invention relates to synergistic stabilizer compositions comprising Hindered Amine Stabilizers (HAS), phenolic antioxidants, and, if appropriate, UV-absorbers, for thermoplastic polymers, especially for polyolefin pipes and other polyolefin molding materials, which are in prolonged contact with water. These mixtures show superior long term performance as measured by standard test methods such as oxidation induction time (OIT).
    Type: Grant
    Filed: August 22, 2002
    Date of Patent: September 7, 2004
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Harald Koch, Christoph Kröhnke, Alexander Lichtblau, Matthias Zäh
  • Patent number: 6646035
    Abstract: The invention relates to synergistic combinations of certain phenolic antioxidants in thermoplastic polymers, especially in polyolefin pipes and other thermoplastic molding materials which are in prolonged contact with water. The instant combinations lead to better resistance against oxidative degradation as measured in terms of oxidation induction times (OIT), color and other technically important parameters as known in the art.
    Type: Grant
    Filed: August 22, 2002
    Date of Patent: November 11, 2003
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Harald Koch, Alexander Lichtblau, Matthias Zäh, Christoph Kröhnke
  • Publication number: 20030073768
    Abstract: The invention relates to synergistic stabilizer compositions comprising Hindered Amine Stabilizers (HAS), phenolic antioxidants, and, if appropriate, UV-absorbers, for thermoplastic polymers, especially for polyolefin pipes and other polyolefin molding materials, which are in prolonged contact with water. These mixtures show superior long term performance as measured by standard test methods such as oxidation induction time (OIT).
    Type: Application
    Filed: August 22, 2002
    Publication date: April 17, 2003
    Inventors: Harald Koch, Christoph Krohnke, Alexander Lichtblau, Matthias Zah
  • Publication number: 20030045616
    Abstract: The invention relates to synergistic combinations of certain phenolic antioxidants in thermoplastic polymers, especially in polyolefin pipes and other thermoplastic molding materials which are in prolonged contact with water. The instant combinations lead to better resistance against oxidative degradation as measured in terms of oxidation induction times (OIT), color and other technically important parameters as known in the art.
    Type: Application
    Filed: August 22, 2002
    Publication date: March 6, 2003
    Inventors: Harald Koch, Alexander Lichtblau, Matthias Zah, Christoph Krohnke
  • Publication number: 20020006992
    Abstract: The present invention relates to a synergistic additives mixture for producing calendered polyolefin articles, comprising
    Type: Application
    Filed: February 3, 1999
    Publication date: January 17, 2002
    Inventors: CHRISTIAN WICK, GERHARD PFAHLER, ALEXANDER LICHTBLAU
  • Patent number: 6225385
    Abstract: The present invention relates to a stabilizer mixture prepared by partially condensing PCl3 with 2,2′-dimethyl-4,4′-dihydroxy-5,5′-di-tert-butyldiphenyl sulfide, where the phosphorus content is from 2 to 4% by weight and the content of 2,2′-dimethyl-4,4′-dihydroxy-5,5′-di-tert-butyldiphenyl sulfide is from 0.5 to 50% by weight. The stabilizer mixture has very good solubility in organic solvents and in the polymer and has very good stabilizing action.
    Type: Grant
    Filed: March 19, 1999
    Date of Patent: May 1, 2001
    Assignee: Clariant GmbH
    Inventors: Thomas Stährfeldt, Alexander Lichtblau, Gerhard Pfahler, Karl Gaa