Patents by Inventor Colin Alfred Whitton

Colin Alfred Whitton 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).

  • Compositions and method for removing paint from a substrate
    Patent number: 6348107
    Abstract: A paint stripper for use by immersion of a painted substrate in a bath of the composition or application in place has two phases, one aqueous and the other of partially water soluble organic solvent. The aqueous phase is saturated with organic solvent. The organic solvent is preferably benzyl alcohol, dibasic ester or ethyl-e-ethoxypropionate, The total amount of organic solvent in the bath is suitably in the range 2 to 20%. The stripper may be acid or alkali activated. The application stripper is thickened to avoid separation during storage.
    Type: Grant
    Filed: April 19, 1999
    Date of Patent: February 19, 2002
    Assignee: Chemetall PLC
    Inventors: Colin Alfred Whitton, Joanna May Braley, Angela Mary Lawlor