Patents by Inventor Aki Kudo

Aki Kudo 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).

  • Polyolefin resin composition and resin film
    Patent number: 5851682
    Abstract: A polyolefin resin composition containing (a) 100 wt. parts of a polyolefin resin, (b) 0.03 to 60 wt. parts of an inorganic compound of the formula: ?Li+Al.sup.3 +.sub.2 (OH-).sub.6 !.A.sup.n-.sub.1/n.mH.sub.2 O (I) in which A.sup.n- represents a n-valent anion, n is an integer of 1 to 4, and m is a number satisfying 0.ltoreq.m.ltoreq.3 and (c) 0.02 to 5 wt. parts of a hindered amine compound, and a resin film made of a polyolefin resin composition containing (a) 100 wt. parts of a polyolefin resin, (b) 0.03 to 25 wt. parts of an inorganic compound of the above formula (I) and (c) 0.02 to 5 wt. parts of a hindered amine compound are disclosed. The resin composition and resin film are excellent in weather resistance.
    Type: Grant
    Filed: December 11, 1995
    Date of Patent: December 22, 1998
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Kozo Kotani, Hideo Negawa, Taiichi Sakaya, Makoto Nakagahara, Aki Kudo