Patents by Inventor David John Hodge

David John Hodge 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: 8603453
    Abstract: A composition comprising: (i) an anti-microbial agent; and (ii) an acidic co-polymer of the Formula (1) wherein: [A] is of Formula (9), [B] is of Formula (10), and [C] is of Formula (12), wherein: [X] is of Formula (11), wherein [A], [B] and [C] may occur in any order; T is an optionally substituted substituent; L and G each independently is an optionally substituted linking group; R1, R2 and R3 are each independently H, optionally substituted C1-20-alkyl or optionally substituted C3-20-cycloalkyl; R4 and R5 are each independently H or C1-4-alkyl; q is 15 to 1000; p is 3 to 50; J is an optionally substituted hydrocarbyl, group; F is an acidic substituent; b is 0, 1, or 2; m is 0 to 350; n is 1 to 75; v is 1 to 100; and w is 1 to 4; provided that at least one of R4 and R5 is H and provided that R1, R2, R3, T, L, J and G do not contain a basic group; and wherein the pka value of the acidic substituent F on the monomer from which [C] is derived is less than
    Type: Grant
    Filed: May 20, 2004
    Date of Patent: December 10, 2013
    Assignee: Arch UK Biocides Limited
    Inventors: David John Hodge, David Alan Pears, John Jeffrey Gerrard, Paula Louise McGeechan
  • Patent number: 7851541
    Abstract: A composition containing an anti-microbial agent that comprises a polymeric biguanide, either alone or in combination with at least one other microbiologically active component. The composition also includes an amphoteric co-polymer of the Formula (1): (i) group consisting of quaternary ammonium compounds, [A]m-[B]n-[C]v-[D]yq.
    Type: Grant
    Filed: April 27, 2007
    Date of Patent: December 14, 2010
    Assignee: Arch UK Biocides Limited
    Inventors: David John Hodge, David Alan Pears, John Jeffrey Gerrard, Paula Louise McGeechan
  • Patent number: 7226968
    Abstract: A composition containing (i) an anti-microbial agent that comprises a polymeric biguanide, either alone or in combination with at least one other microbiologically active component and (ii) a basic co-polymer of the Formula (1): [A]m-[B]n-[D]yq.
    Type: Grant
    Filed: May 20, 2004
    Date of Patent: June 5, 2007
    Assignee: Arch UK Biocides Limited
    Inventors: David John Hodge, David Alan Pears, John Jeffrey Gerrard, Paula Louise McGeechan
  • Patent number: 7217759
    Abstract: A composition containing (i) an anti-microbial agent that comprises a polymeric biguanide, either alone or in combination with at least one other microbiologically active component and (ii) an amphoteric co-polymer of the Formula (1):
    Type: Grant
    Filed: May 20, 2004
    Date of Patent: May 15, 2007
    Assignee: Arch UK Biocides Limited
    Inventors: David John Hodge, David Alan Pears, John Jeffrey Gerrard, Paula Louise McGeechan
  • Patent number: 7202287
    Abstract: The invention relates to a method for inhibiting the growth of microorganisms in a latex, especially a sterically stabilised or cationic stabilised latex and to a composition for use in the method comprising a polymeric biguanide and an isothiazolinone of the Formula (1). wherein: R is H, alkyl, cycloalkyl or aralkyl; and Y and Z each independently are H, halogen or C1-4-alkyl or Y and Z together with the carbon atoms to which they are attached form an optionally substituted 5 or 6 membered ring.
    Type: Grant
    Filed: October 5, 2001
    Date of Patent: April 10, 2007
    Assignees: Arch Chemicals, Inc., Arch UK Biocides Limited
    Inventors: Alexander Cornish, David John Hodge, Emerentiana Sianawati, Paula Louise McGeechan
  • Publication number: 20030187095
    Abstract: The invention relates to a method for inhibiting the growth of microorganisms in a latex, especially a sterically stabilised or cationic stabilised latex and to a composition for use in the method comprising a polymeric biguanide and an isothiazolinone of the Formula (1).
    Type: Application
    Filed: February 25, 2003
    Publication date: October 2, 2003
    Inventors: Alexander Cornish, David John Hodge, Emerentiana Sianawati, Paula Louise McGeechan
  • Patent number: 5985988
    Abstract: A process for coloration of a substrate comprising printing an ink onto the substrate using a thermal ink jet printer, characterised in that the ink comprises water and a water-dissipatable polyester dyed using a disperse dye or solvent soluble dye. An ink comprising a water-dissipatable polyester dyed using a disperse dye or solvent dye and an aqueous medium.
    Type: Grant
    Filed: February 10, 1998
    Date of Patent: November 16, 1999
    Assignee: Zeneca Limited
    Inventor: David John Hodge