Patents by Inventor Anthony John Bunker

Anthony John Bunker 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: 4098747
    Abstract: An adhesive composition which comprises a polyurethane comprising (a) units derived from a diisocyanate, (b) units derived from a poly (.epsilon.-caprolactone) diol having a hydroxyl value of from 25 to less than 30, and (c) units derived from an alkane diol chain lengthening agent containing at least 2 carbon atoms, the mole ratio of alkane diol:poly (.epsilon.-caprolactone) diol being from greater than 0.7:1.0 to less than 1.2:1.0. The adhesive may be used in solid form or dissolved in an organic solvent. The adhesive has improved hot bond strength and is particularly useful for bonding shoe soles to shoe uppers.
    Type: Grant
    Filed: May 24, 1976
    Date of Patent: July 4, 1978
    Assignee: Interox Chemicals Limited
    Inventors: Brian Edward Bailey, Anthony John Bunker
  • Patent number: 4005155
    Abstract: A polymeric composition comprising main chains, side chains attached thereto and crosslinking units between side chains. The main chains comprise a copolymer of two or more ethylenically unsaturated monomers at least one of which contains hydroxyl groups, the side chains comprise lactone chains attached to said hydroxyl groups and the crosslinking units comprise amino resins. The copolymers may be prepared and subsequently modified or the side chain may be attached to an ethylenically unsaturated monomer and the modified copolymer prepared directly by polymerization with other unsaturated monomers. The modified copolymers are crosslinked and cured with an amino resin.
    Type: Grant
    Filed: February 5, 1975
    Date of Patent: January 25, 1977
    Assignee: Laporte Industries Limited
    Inventors: Keith George Sampson, Victor Frederick Jenkins, Anthony John Bunker