Patents by Inventor Tuneaki Muro

Tuneaki Muro 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).

  • Hot-melt adhesive composition
    Patent number: 5428109
    Abstract: A hot-melt adhesive composition containing, (A) per 10 to 80 parts by weight of a base polymer, (B) 10 to 80 parts by weight of a stickiness-imparting agent which is a copolymer of a particular styrene-type monomer and a particular indene-type monomer, the molar ratio of the indene-type monomer to the styrene-type monomer being from 99/1 to 30/70, and the weight average molecular weight of said copolymer being from 300 to 5000. The hot-melt adhesive composition exhibits excellent heat-resistant adhesiveness and heat-resistant creeping property, and has a low-molecular weight and exhibits good hue.
    Type: Grant
    Filed: December 16, 1993
    Date of Patent: June 27, 1995
    Assignee: Mitsui Petrochemical Industries, Ltd.
    Inventors: Toshiaki Kuroiwa, Tuneaki Muro, Suguru Tokita, Hajime Inagaki