Patents by Inventor Arthur Stark

Arthur Stark 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).

  • Soybean products and methods
    Publication number: 20020031597
    Abstract: An edible soybean product, with no off odors, bad taste, or after taste, produced from a processed whole soybean or splits with the hull and hypocotyl removed and in the form of halves [splits], bits, and/or flour and also fortified food products at a higher level than conventional non processed soybeans, soybean flour, soybean halves, or soybean bits.
    Type: Application
    Filed: April 5, 2001
    Publication date: March 14, 2002
    Inventor: Arthur Stark
  • Production process
    Patent number: 6031030
    Abstract: A process for the preparation of a paint concentrate which comprises(a) milling or acid pasting a crude metal phthalocyanine to reduce the particles size thereof, thereby forming a modified crude metal phthalocyanine and(b) kneading a mixture of the modified crude metal phthalocyanine together with a paint vehicle comprising one or more paint solvents, the metal phthalocyanine being present in an amount of 20 to 80% by weight of the kneaded mixture, to give a paint concentrate containing the metal phthalocyanine in pigmentary form dispersed in the paint vehicle.
    Type: Grant
    Filed: May 14, 1998
    Date of Patent: February 29, 2000
    Assignee: Ciba Speicialty Chemicals Corporation
    Inventors: Robert Langley, Paul Kerwin, Arthur Stark Walls, Kenneth Grant Dykes
  • Process for the production of ink concentrates
    Patent number: 5964929
    Abstract: A process for the preparation of an ink concentrate which comprises(a) milling a crude metal phthalocyanine to reduce the particle size thereof, thereby forming a modified crude metal phthalocyanine and(b) kneading a mixture of the modified crude metal phthalocyanine together with an ink vehicle comprising one or more ink solvents, the metal phthalocyanine being present in an amount of 20 to 80% by weight of the kneaded mixture, to give an ink concentrate containing the metal phthalocyanine in pigmentary form dispersed in the ink vehicle.
    Type: Grant
    Filed: November 13, 1996
    Date of Patent: October 12, 1999
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Robert Langley, Paul Kerwin, Arthur Stark Walls, Kenneth Grant Dykes
  • Production of pigments
    Patent number: 5776238
    Abstract: The present invention provides a process for converting a crude pigment into pigmentary form which comprises kneading the crude pigment in the presence of a liquid carboxylic acid and optionally a salt.
    Type: Grant
    Filed: December 16, 1996
    Date of Patent: July 7, 1998
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Paul Kerwin, Robert Langley, Arthur Stark Walls