Patents by Inventor Martin F. Brooks

Martin F. Brooks 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).

  • Modified isocyanate compositions, their production and uses for polyurethane manufacture
    Patent number: 4448938
    Abstract: Isocyanate compositions derived from diphenylmethane diisocyanate (MDI) which are a mixture of A) the reaction product of MDI with a polyether polyol or amine of molecular weight from 600 to 10,000 and B) a uretonimine modified MDI, the weight ratio of A to B being from 19:1 to 1:1. Also polyurethanes, especially elastomers prepared therefrom.
    Type: Grant
    Filed: December 6, 1979
    Date of Patent: May 15, 1984
    Assignee: Imperial Chemical Industries PLC
    Inventors: Alphonse E. Bruyninckx, Martin F. Brooks, David Thorpe