Patents by Inventor Howard A. Cash

Howard A. Cash 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: 7582694
    Abstract: The invention relates to a polymer-cellulosic fiber composition comprising a polymer, a cellulosic fiber, and a quaternary ammonium alkyl salt wherein the latter imparts antimicrobial properties to the composition and functions as a lubricant during the formation of the composition. The quaternary ammonium alkyl salts may be alkyl carboxylate, alkyl sulfate, alkyl sulphonate, alkyl phosphate, or alkyl phosphite. Certain of the salts are new compositions of matter. The method of extruding and the extrudate are also claimed.
    Type: Grant
    Filed: August 29, 2003
    Date of Patent: September 1, 2009
    Assignee: Lonza, Inc.
    Inventors: Xiao Jiang, Ahmed M. Tafesh, Joseph B. Williams, Howard A. Cash, Kenneth S. Geick
  • Publication number: 20020108730
    Abstract: Use of strobilurins and oudemansins as biocides in aqueous systems is disclosed. Uses include wet-lap preservation, mold proofing, mildew proofing, and other uses where antifungal and/or anti-mildew activity is desired. Aqueous systems treatable with strobilurins and/or oudemansins include pulp and paper systems, oil and gas systems, cooling towers, and heat exchangers.
    Type: Application
    Filed: April 5, 2000
    Publication date: August 15, 2002
    Inventors: John M. Cronan, Jr., Howard A. Cash
  • Patent number: 6428654
    Abstract: Use of strobilurins and oudemansins as biocides in aqueous systems is disclosed. Uses include wet-lap preservation, mold proofing, mildew proofing, and other uses where anti-fungal and/or anti-mildew activity is desired. Aqueous systems treatable with strobilurins and/or oudemansins include pulp and paper systems, oil and gas systems, cooling towers, and heat exchangers.
    Type: Grant
    Filed: April 5, 2000
    Date of Patent: August 6, 2002
    Assignee: Hercules Incorporated
    Inventors: John M. Cronan, Jr., Howard A. Cash
  • Patent number: 5763482
    Abstract: An antimicrobial composition and method for controlling the growth of microbes in an aqueous system is disclosed, the composition comprising an amount, effective for the purpose of a 2-bromo-2- (bromomethyl)-glutaronitrile and a quaternary ammonium compound.
    Type: Grant
    Filed: March 20, 1997
    Date of Patent: June 9, 1998
    Assignee: BetzDearborn Inc.
    Inventors: Donald J. Paterson, Howard A. Cash
  • Patent number: 4954440
    Abstract: A process to produce products, in particular polysaccharides, from filamentous fungi, in an immobilized cell bioreactor wherein the fungus is fixed and adheres to the surface of a porous, non-particulate support and aqueous liquid medium is passed through the immobilized system and product containing medium is recycled or withdrawn from the system.
    Type: Grant
    Filed: November 13, 1989
    Date of Patent: September 4, 1990
    Assignee: The Standard Oil Company
    Inventors: Sarjit S. Johal, Howard A. Cash