Patents by Inventor Alan Crabtree

Alan Crabtree 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).

  • Thickening agents comprising a crosslinked polymer powder
    Publication number: 20060106154
    Abstract: The present application relates to a thickening composition comprising (a) 10-50% by weight, based on the total composition (a)+(b), of a crosslinked hydrophilic water soluble or swellable liquid dispersion polymer and (b) 50-90% by weight, based on the total composition (a)+(b), of a crosslinked polymer or copolymer of an unsaturated carboxylic acid in powder form, which is especially useful for thickening printing pastes for multicolour jet-printing.
    Type: Application
    Filed: October 30, 2003
    Publication date: May 18, 2006
    Inventors: Norman Batty, Alan Crabtree
  • Process for printing textile fabrics
    Patent number: 6776804
    Abstract: A printing paste containing: (a) 5 to 25% by weight of a polyurethane, (b) 1.5 to 20% by weight of a silicone, (c) 0 to 50% by weight of a further component and (d) water as the remainder, the sum of the amounts of components (a)+(b)+(c)+(d) being 100%, is suitable for printing textile materials.
    Type: Grant
    Filed: May 21, 2002
    Date of Patent: August 17, 2004
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Alan Crabtree, Martin Lane, Ian George Potts, Leslie Walter Rouse
  • Process for printing textile fabrics
    Publication number: 20030072952
    Abstract: A printing paste containing:
    Type: Application
    Filed: May 21, 2002
    Publication date: April 17, 2003
    Inventors: Alan Crabtree, Martin Lane, Ian George Potts, Leslie Walter Rouse