Patents by Inventor Osamu Fukui

Osamu Fukui 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).

  • Method for preparing a modified crystalline propylene polymer
    Patent number: 3970722
    Abstract: A modified crystalline propylene polymer usable as a bonding material is prepared by uniformly admixing a crystalline propylene polymer, for example, isotactic polypropylene and propylene-ethylene block or random copolymer, with at least (a) one modifying agent of the formula (I) or (II): ##EQU1## or ##SPC1##Wherein R represents a hydrogen atom or methyl radical, Me represents a Metal atom selected from Groups I, II, III and VIII in the Periodic Table, l represents an integer corresponding to the valence of the Metal atom Me, and m and n each represent 0 or 1, and (b) an organic peroxide, and heating the above admixture at a temperature not lower than the melting point and not higher than the thermal decomposing point of said crystalline propylene polymer.
    Type: Grant
    Filed: February 14, 1975
    Date of Patent: July 20, 1976
    Assignee: UBE Industries, Ltd.
    Inventors: Sadahide Ogihara, Yoichi Nakamura, Osamu Fukui