Patents by Inventor Nicolas J. Robertson

Nicolas J. Robertson 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).

  • COPOLYMERIZATION OF PROPYLENE OXIDE AND CARBON DIOXIDE AND HOMOPOLYMERIZATION OF PROPYLENE OXIDE
    Publication number: 20120093706
    Abstract: Copolymers of propylene oxide and carbon dioxide and homopolymers of propylene oxide are made using two dimensional double metal cyanide complexes having the formula Co[M(CN)4] or hydrated or partially dehydrated form thereof. There is no propylene carbonate by product in the copolymerization.
    Type: Application
    Filed: December 7, 2011
    Publication date: April 19, 2012
    Inventors: Geoffrey W. Coates, Stephen Lee, Zengquan Qin, Nicolas J. Robertson
  • Copolymerization of propylene oxide and carbon dioxide and homopolymerization of propylene oxide
    Patent number: 8093351
    Abstract: Copolymers of propylene oxide and carbon dioxide and homopolymers of propylene oxide are made using two dimensional double metal cyanide complexes having the formula Co[M(CN)4] or hydrated or partially dehydrated form thereof. There is no propylene carbonate by product in the copolymerization.
    Type: Grant
    Filed: August 10, 2007
    Date of Patent: January 10, 2012
    Assignee: Cornell Research Foundation, Inc.
    Inventors: Geoffrey W. Coates, Stephen Lee, Zengquan Qin, Nicolas J. Robertson