Patents by Inventor Nicolaas Maria Huntink

Nicolaas Maria Huntink 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).

  • Silica-filled rubbers comprising a quinone diimine
    Patent number: 6756435
    Abstract: The invention relates to a silica-filled, sulfur-vulcanizable rubber composition comprising an unsaturated rubber, 20 to 100 phr of a silica, 1.6 to 8 phr of a silica coupling agent, 0.05 to 5 phr of an antidegradant, 0.1 to 5 phr of a vulcanization accelerator, 0.1 to 10 phr of sulfur, and 0.5 to 5 phr of a quinone diimine, with the proviso that the antidegradant is not a quinone diimine. The invention also relates to a vulcanization process comprising mixing and heating said rubber composition and to rubber articles, such as pneumatic tires, comprising the rubber vulcanizate obtained by said process.
    Type: Grant
    Filed: December 11, 2001
    Date of Patent: June 29, 2004
    Assignee: Akzo Nobel NV
    Inventors: Rabindra Nath Datta, Nicolaas Maria Huntink, Auke Gerardus Talma
  • Silica-filled rubbers comprising a quinone diimine
    Publication number: 20020151640
    Abstract: The invention relates to a silica-filled, sulfur-vulcanizable rubber composition comprising an unsaturated rubber, 20 to 100 phr of a silica, 1.6 to 8 phr of a silica coupling agent, 0.05 to 5 phr of an antidegradant, 0.1 to 5 phr of a vulcanization accelerator, 0.1 to 10 phr of sulfur, and 0.5 to 5 phr of a quinone diimine, with the proviso that the antidegradant is not a quinone diimine. The invention also relates to a vulcanization process comprising mixing and heating said rubber composition and to rubber articles, such as pneumatic tires, comprising the rubber vulcanizate obtained by said process.
    Type: Application
    Filed: December 11, 2001
    Publication date: October 17, 2002
    Inventors: Rabindra Nath Datta, Nicolaas Maria Huntink, Auke Gerardus Talma