Patents by Inventor Timothy Guy Bingham

Timothy Guy Bingham 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).

  • Deinking processes polymers-in-water emulsion for use in deinking processes
    Patent number: 6111009
    Abstract: Flexographic or other printed paper is deinked by a process which comprises pulping in the presence of an emulsion of crosslinked, insoluble, ionisable and swellable polymer particles. The emulsion preferably provides a viscosity (at 3%) in the ionised state of below 50,000 cps (Brookfiled RVT) and is novel.
    Type: Grant
    Filed: September 18, 1997
    Date of Patent: August 29, 2000
    Assignee: Ciba Specialty Chemicals Water Treatments Limited
    Inventors: John Oliver Stockwell, Timothy Guy Bingham, Howard Roger Dungworth
  • Method for deinking printed paper using an emulsion of crosslinked, insoluble, ionizable and swellable polymer particles
    Patent number: 5746885
    Abstract: Flexographic or other printed paper is deinked by a process which comprises pulping in the presence of an emulsion of crosslinked, insoluble, ionisable and swellable polymer particles. The emulsion preferably provides a viscosity (at 3%) in the ionised state of below 50,000 cps (Brookfield RVT) and is novel.
    Type: Grant
    Filed: July 22, 1996
    Date of Patent: May 5, 1998
    Assignee: Allied Colloids Limited
    Inventors: John Oliver Stockwell, Timothy Guy Bingham, Howard Roger Dungworth