Patents by Inventor Brian Rowett

Brian Rowett 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).

  • Piperazine-based sensitisers
    Patent number: 7452921
    Abstract: Compounds of formula (I) where: {R1 is methyl, ethyl, cycloalkyl or optionally substituted aryl; Z is arylene or a group of formula —(CHR4)n-, where R4 is hydrogen, hydroxy or alkyl, and n is a number from 0 to 6; Y is carbonyl or a —CH2— group; Q is a residue of a mono- or poly-hydroxyl compound having from I to 6 hydroxy groups; and x is a number from I to 6; and esters thereof} are useful as sensitizers for use in radiationcurable compositions.
    Type: Grant
    Filed: July 2, 2004
    Date of Patent: November 18, 2008
    Assignee: Sun Chemical Corporation
    Inventors: Shaun Lawrence Herlihy, Brian Rowett, Robert Stephen Davidson