Patents by Inventor Timothy Bowles

Timothy Bowles 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).

  • Preparation of polymeric aryl sulfonamide
    Patent number: 7098296
    Abstract: A method of preparing a polymeric aryl sulfonamide is described which consists of reacting aryl sulfonyl with a polymeric amine in the presence of an acid acceptor. Also, another method of preparing a polymeric aryl sulfonamide is disclosed and consists of: reacting an aryl sulfonyl with a polymeric diamine in the presence of an acid acceptor to result in a linear oligomeric molecule; and reacting the linear oligomeric molecule with a monoamine or an aryl monosulfonyl in the presence of an acid acceptor. The use of polymeric aryl sulfonamides as pigment dipersants and wetting agents is also disclosed.
    Type: Grant
    Filed: October 25, 2001
    Date of Patent: August 29, 2006
    Assignee: Sun Chemical Corporation
    Inventors: Timothy Bowles, Robert Lambie Rooney, Clifford John Coles, Brian Rowatt
  • Preparation of polymeric aryl sulfonamide
    Publication number: 20040006156
    Abstract: A method of preparing a polymeric aryl sulfonamide is described which consists of reacting aryl sulfonyl with a polymeric amine in the presence of an acid acceptor. Also, another method of preparing a polymeric aryl sulfonamide is disclosed and consists of: reacting an aryl sulfonyl with a polymeric diamine in the presence of an acid acceptor to result in a linear oligomeric molecule; and reacting the linear oligomeric molecule with a monoamine or an aryl monosulfonyl in the presence of an acid acceptor. The use of polymeric aryl sulfonamides as pigment dipersants and wetting agents is also disclosed.
    Type: Application
    Filed: October 25, 2001
    Publication date: January 8, 2004
    Inventors: Timothy Bowles, Robert Lambie Rooney, Clifford John Coles, Brian Rowatt