Patents by Inventor Akihiko Tkai

Akihiko Tkai 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).

  • Cross-linking compositions
    Patent number: 6610768
    Abstract: This application relates to compositions of cross-linking peroxides which have excellent storage stability, without exudation of peroxide taking place, which contain the organic peroxide in a high concentration, and which are easily blendable with a rubber to be cross-linked. The compositions are obtained by mixing a softening agent with a Brookfield viscosity of 10,000 poises or less at 60 ° C. with an organic peroxide, preferably in the presence of a filler, and optionally with further ingredients.
    Type: Grant
    Filed: January 28, 2000
    Date of Patent: August 26, 2003
    Assignees: Akzo Nobel N. V., Kayaku Akzo Corporation
    Inventors: Jernej Jelenic, Gerrit Frits Drost, Frans Johannes Van Moorsel, Akio Ishiwatari, Akihiko Tkai