Patents by Inventor Olivier Coulembier

Olivier Coulembier 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 of ring-opening polymerization, and related compositions and articles
    Patent number: 9388275
    Abstract: Methods to form a polymer by ring-opening polymerization include reacting, a mixture comprising a monomer, an accelerator, an initiator, and a catalyst comprising a 1,1,1,3,3,3-hexafluoropropan-2-ol-2-yl group to form the polymer. Also disclosed are polymers including a residual amount of the catalyst in an amount greater than 0 weight percent.
    Type: Grant
    Filed: June 1, 2009
    Date of Patent: July 12, 2016
    Assignees: INTERNATIONAL BUSINESS MACHINES CORPORATION, THE UNIVERSITY OF MONS-HAINAUT
    Inventors: Olivier Coulembier, James L. Hedrick, Alshakim Nelson, Julia E. Rice, Daniel P. Sanders
  • CATALYZED POLYMERIZATION OF CYCLIC ESTERS AND CYCLIC CARBONATES
    Publication number: 20150126703
    Abstract: A process for the preparation of polyesters or polycarbonates including (i) the provision of cyclic esters or cyclic carbonates, (ii) polymerizing by ring-opening in the presence of a betaine based metal-free catalyst showing formula ?X—R1—Y+(R2)3 wherein X is S, O or Se, Y is N or P, R1 is linear or cyclic alkyl or aryl, and R2 is linear or cyclic alkyl. and under polymerizing conditions in the presence of an alcohol or amine based initiator.
    Type: Application
    Filed: November 4, 2014
    Publication date: May 7, 2015
    Applicant: Universite de Mons
    Inventors: Philippe Ghilain Dubois, Brieuc Guillerm, Olivier Coulembier
  • Method of Ring-Opening Polymerization, and Related Compositions and Articles
    Publication number: 20100305300
    Abstract: Methods to form a polymer by ring-opening polymerization include reacting, a mixture comprising a monomer, an accelerator, an initiator, and a catalyst comprising a 1,1,1,3,3,3-hexafluoropropan-2-ol-2-yl group to form the polymer. Also disclosed are polymers including a residual amount of the catalyst in an amount greater than 0 weight percent.
    Type: Application
    Filed: June 1, 2009
    Publication date: December 2, 2010
    Applicant: International Business Machines Corporation
    Inventors: Olivier Coulembier, James L. Hedrick, Alshakim Nelson, Julia E. Rice, Daniel P. Sanders