Patents by Inventor David Alexander Ferguson

David Alexander Ferguson 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).

  • Process for making rigid urethane-modified polyisocyanurate foams
    Patent number: 8148440
    Abstract: Process for preparing rigid urethane-modified polyisocyanurate foams from polyisocyanates and polyfunctional isocyanate-reactive components in the presence of a blowing agent, a metal salt trimerisation catalyst and a functionalised carboxylic acid.
    Type: Grant
    Filed: February 5, 2004
    Date of Patent: April 3, 2012
    Assignee: Huntsman International LLC
    Inventors: Joern Kuester, Roberto Fare, David Alexander Ferguson