Patents Assigned to Verichem, Inc.
  • Synergistic mixtures of o-phenylphenol and other nitrogen and aldehyde microbiocides
    Patent number: 7262222
    Abstract: Ortho phenylphenol or its sodium salt is shown to form synergistic antimicrobial mixtures with nitrogen and aldehyde-containing microbiocides.
    Type: Grant
    Filed: January 16, 2003
    Date of Patent: August 28, 2007
    Assignee: Verichem, Inc.
    Inventors: Paul E. Carlson, H. Edwin Nehus
  • Synergistic mixtures of Bis (Trichloromethyl) Sulfone and 1,2-dibromo-2,4-dicyanobutane
    Patent number: 6770677
    Abstract: Combinations of Bis (Trichloromethyl) Sulfone and 1,2-dibromo-2, 4-dicyanobutane are shown to have synergistic antimicrobial properties. Preferred compositions use the two components in ratios of 1:99 to 99:1 by weight. The synergistic combinations are used in paints and adhesives, and in various industrial process waters. The synergistic compositions may be used together with a third microbiocide to enhance the composition's effectiveness against a wide variety of bacteria, molds, and yeasts and other microorganisms.
    Type: Grant
    Filed: February 3, 2003
    Date of Patent: August 3, 2004
    Assignee: Verichem, Inc.
    Inventors: Paul E. Carlson, H. Edwin Nehus
  • Synergistic mixtures of o-phenylphenol and other nitrogen and aldehyde microbiocides
    Publication number: 20030196968
    Abstract: Ortho phenylphenol or its sodium salt is shown to form synergistic antimicrobial mixtures with nitrogen and aldehyde-containing microbiocides.
    Type: Application
    Filed: January 16, 2003
    Publication date: October 23, 2003
    Applicant: Verichem, Inc.
    Inventors: Paul E. Carlson, H. Edwin Nehus
  • Synergistic mixtures of Bis (Trichloromethyl) Sulfone and 1,2-dibromo-2,4-dicyanobutane
    Publication number: 20030156979
    Abstract: Combinations of Bis(Trichloromethyl) Sulfone and 1,2-dibromo-2, 4-dicyanobutane are shown to have synergistic antimicrobial properties. Preferred compositions use the two components in ratios of 1:99 to 99:1 by weight. The synergistic combinations are used in paints and adhesives, and in various industrial process waters. The synergistic compositions may be used together with a third microbiocide to enhance the composition's effectiveness against a wide variety of bacteria, molds, and yeasts and other microorganisms.
    Type: Application
    Filed: February 3, 2003
    Publication date: August 21, 2003
    Applicant: Verichem, Inc.
    Inventors: Paul E. Carlson, H. Edwin Nehus
  • Stable aqueous antimicrobial suspension
    Publication number: 20020147235
    Abstract: Suspensions of haloacetamides are made and stabilized with a xanthan gum containing no more than 1.2% by weight acetic acid or acetate groups, together with a buffer comprising sodium acetate and acetic acid. The process and composition is especially effective for DBNPA:2,2-dibromo-3-nitrilopropionamide.
    Type: Application
    Filed: January 17, 2002
    Publication date: October 10, 2002
    Applicant: Verichem, Inc.
    Inventors: Paul E. Carlson, H. Edwin Nehus, George Bell