Patents by Inventor Allen Cook

Allen Cook 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).

  • Photoinduced grating in oxynitride glass
    Publication number: 20010002941
    Abstract: A length of oxynitride optical fiber is exposed to actinic radiation that is modulated by an interference technique to form a pattern of refractive index variations that functions as a reflective grating.
    Type: Application
    Filed: December 1, 2000
    Publication date: June 7, 2001
    Inventors: Nicholas Francis Borrelli, Thomas Allen Cook, Evelyn McGee DeLiso, Robert Adam Modavis
  • Photoinduced grating in oxynitride glass
    Patent number: 6233381
    Abstract: A length of oxynitride optical fiber is exposed to actinic radiation that is modulated by an interference technique to form a pattern of refractive index variations that functions as a reflective grating.
    Type: Grant
    Filed: July 24, 1998
    Date of Patent: May 15, 2001
    Assignee: Corning Incorporated
    Inventors: Nicholas Francis Borrelli, Thomas Allen Cook, Evelyn McGee DeLiso, Robert Adam Modavis
  • Photoinduced grating in oxynitride glass
    Publication number: 20010000714
    Abstract: A length of oxynitride optical fiber is exposed to actinic radiation that is modulated by an interference technique to form a pattern of refractive index variations that functions as a reflective grating.
    Type: Application
    Filed: December 1, 2000
    Publication date: May 3, 2001
    Inventors: Nicholas Francis Borrelli, Thomas Allen Cook, Evelyn McGee DeLiso, Robert Adam Modavis
  • Silica-coated alkaline earth metal carbonate pigment
    Patent number: 6136085
    Abstract: A method for forming a silica coating on at least a portion of the surface of alkaline earth metal carbonate particulates in aqueous suspension and the silica-coated alkaline earth metal carbonate so produced are claimed. The claimed method consists of allowing soluble silicate ions in the aqueous phase to slowly react with the alkaline earth metal carbonate surface to form silica micro-particulates on the surface. This silica coating confers upon the composition unique properties among which are pronounced thixotropic behavior when incorporated into an aqueous suspension and increased oil absorption when dry. The pigment produced by this method is especially suited for use as a filler in paper.
    Type: Grant
    Filed: October 29, 1998
    Date of Patent: October 24, 2000
    Assignee: Chemical Products Corporation
    Inventors: Charles Adams, Jr., Jerry Allen Cook