Patents by Inventor Tadashi Uyeda

Tadashi Uyeda 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).

  • Modified ethylene resin having improved wettability
    Patent number: 6160048
    Abstract: There is provided a modified ethylene resin produced by subjecting (a) an ethylene resin to modification with (b) an .alpha.,.beta.-unsaturated carboxylic ester having a hydrocarbon-terminated polyalkylene oxide chain, and with (c) an aromatic vinyl compound and/or (d) an ester of an .alpha.,.beta.-unsaturated carboxylic acid with an aliphatic alcohol.There is also provided an ethylene resin composition comprising: (A) 80 to 99.9% by weight of a modified ethylene resin produced by subjecting (a) an ethylene resin to modification at least with (b) an .alpha.,.beta.-unsaturated carboxylic ester having a polyalkylene oxide chain; and (B) 20 to 0.1% by weight of a surfactant.
    Type: Grant
    Filed: August 14, 1998
    Date of Patent: December 12, 2000
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Tadashi Uyeda, Keiko Matsuhisa, Kenjiro Takayanagi, Mitsutoshi Aritomi