Patents by Inventor James Daniel MacLachlan

James Daniel MacLachlan 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).

  • Curable perfluoroelastomer composition
    Patent number: 6281296
    Abstract: Perfluoroelastomer compositions comprising perfluoroelastomers having copolymerized units of tetrafluoroethylene, a perfluoro(vinyl ether), and a nitrile-containing cure site monomer are cured with compounds that are capable of generating ammonia at temperatures of 40° C.-330° C. to produce cured compositions having excellent thermal stability. The ammonia-generating compounds also act as cure accelerators in perfluoroelastomer compositions that incorporate other curing agents.
    Type: Grant
    Filed: August 4, 1999
    Date of Patent: August 28, 2001
    Assignee: DuPont Dow Elastomers L.L.C.
    Inventors: James Daniel MacLachlan, Peter Arnold Morken, Walter Werner Schmiegel, Kohtaro Takahashi