Patents by Inventor Simon P. Lee

Simon P. Lee 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).

  • Polymer foam with low bromine content
    Patent number: 9493624
    Abstract: Prepare extruded polymer foam comprising at least 50 weight-percent alkenyl aromatic polymer, a brominated flame retardant providing 0.8 to 1.4 weight percent bromide, 0.05 to 0.5 weight-percent hydrobromic acid scavenger, at least 1.5 weight-percent graphite and less than 0.1 weight-percent C—C and O—O labile organic compounds using a blowing agent composition comprising at least 0.3 weight-parts per 100 weight parts polymer and that consists of blowing agents having an ozone depletion potential of zero and a global warming potential that is less than 1000.
    Type: Grant
    Filed: January 5, 2010
    Date of Patent: November 15, 2016
    Assignee: Dow Global Technologies LLC
    Inventors: John Gordon-Duffy, David R. Arrowsmith, Simon P. Lee, Ralph Schmidt
  • POLYMER FOAM WITH LOW BROMINE CONTENT
    Publication number: 20110275730
    Abstract: Prepare extruded polymer foam comprising at least 50 weight-percent alkenyl aromatic polymer, a brominated flame retardant providing 0.8 to 1.4 weight percent bromide, 0.05 to 0.5 weight-percent hydrobromic acid scavenger, at least 1.5 weight-percent graphite and less than 0.1 weight-percent C—C and O—O labile organic compounds using a blowing agent composition comprising at least 0.3 weight-parts per 100 weight parts polymer and that consists of blowing agents having an ozone depletion potential of zero and a global warming potential that is less than 1000.
    Type: Application
    Filed: January 5, 2010
    Publication date: November 10, 2011
    Inventors: John Gordon-Duffy, David R. Arrowsmith, Simon P. Lee, Ralph Schmidt
  • Multimodal polymeric foam containing an absorbent clay
    Patent number: 6750264
    Abstract: Prepare a multimodal polymeric foam from a foamable composition containing a polymer, an absorbent clay, and a blowing agent composition containing water and carbon dioxide and that contains less than 0.2 parts by weight of bentonite based on 100 parts by weight of polymer.
    Type: Grant
    Filed: September 20, 2002
    Date of Patent: June 15, 2004
    Assignee: Dow Global Technologies Inc.
    Inventors: Chau Van Vo, Simon P. Lee, Kenji Matsue, Itsuki Nakatani
  • Multimodal polymeric foam containing an absorbent clay
    Publication number: 20030130364
    Abstract: Prepare a multimodal polymeric foam from a foamable composition containing a polymer, an absorbent clay, and a blowing agent composition containing water and carbon dioxide and that contains less than 0.2 parts by weight of bentonite based on 100 parts by weight of polymer.
    Type: Application
    Filed: September 20, 2002
    Publication date: July 10, 2003
    Inventors: Chau Van Vo, Simon P. Lee, Kenji Matsue, Itsuki Nakatani