Patents by Inventor Patrick DAUPHIN

Patrick DAUPHIN 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).

  • Method for increasing glueability of paper or paperboard
    Patent number: 8425727
    Abstract: The present invention is directed to a method of treatment for paper or board including an oligoester, obtained by polycondensation of a) from 40 to 52 mol % of one or more dicarboxylic acids or esters thereof, b) from 10 to 40 mol % of ethylene glycol and/or propylene glycol, c) from 3 to 20 mol % of polyethylene glycol, d) from 0.5 to 10 mol % of a water-soluble addition product of from 5 to 80 mol of an alkylene oxide with 1 mol of C1-C24-alcohols, C6-C18-alkylphenols or C8-C24-alkylamines and e) from 0.4 to 10 mol % of one or more polyols having from 3 to 6 hydroxyl groups, wherein the oligoester is applied to a paper or board. The treated paper or board exhibits increased gluability and surface energy.
    Type: Grant
    Filed: January 22, 2010
    Date of Patent: April 23, 2013
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Gordon Gray, Patrick Dauphin
  • METHOD FOR INCREASING GLUEABILITY OF PAPER OR PAPERBOARD
    Publication number: 20110180226
    Abstract: The present invention is directed to a method of treatment for paper or board including an oligoester, obtained by polycondensation of a) from 40 to 52 mol % of one or more dicarboxylic acids or esters thereof, b) from 10 to 40 mol % of ethylene glycol and/or propylene glycol, c) from 3 to 20 mol % of polyethylene glycol, d) from 0.5 to 10 mol % of a water-soluble addition product of from 5 to 80 mol of an alkylene oxide with 1 mol of C1-C24-alcohols, C6-C18-alkylphenols or C8-C24-alkylamines and e) from 0.4 to 10 mol % of one or more polyols having from 3 to 6 hydroxyl groups, wherein the oligoester is applied to a paper or board. The treated paper or board exhibits increased gluability and surface energy.
    Type: Application
    Filed: January 22, 2010
    Publication date: July 28, 2011
    Applicant: CLARIANT INTERNATIONAL LTD.
    Inventors: Gordon GRAY, Patrick DAUPHIN