Patents by Inventor Yasuyuki Seki

Yasuyuki Seki 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 producing radiation curable adhesive tape
    Patent number: 4554174
    Abstract: In a process for producing a radiation curable pressure sensitive adhesive tape, when a quaternary ammonium salt is coated on a substrate as an undercoating before the coating of an adhesive composition comprising a liquid oligomer and a thiol compound, the resulting adhesive tape has good adhesive strength and higher cohesion with no unpleasant odor of the thiol compound.
    Type: Grant
    Filed: December 4, 1984
    Date of Patent: November 19, 1985
    Assignee: Hitachi Chemical Company
    Inventors: Tomohisa Ohta, Akihiko Dobashi, Hisashige Kanbara, Yasuyuki Seki