Patents by Inventor Tomitada Nagamori

Tomitada Nagamori 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).

  • Olefin polymer composition
    Patent number: 4052362
    Abstract: A stabilized olefin polymer composition having resistance against deterioration caused by contact with such heavy metals as copper which comprises 100 parts by weight of an olefin polymer and from 0.001 to 5 parts by weight of an N-cinnamoyl-N'-acyl-hydrazine derivative is disclosed.
    Type: Grant
    Filed: September 14, 1976
    Date of Patent: October 4, 1977
    Assignee: Ube Industries, Ltd.
    Inventors: Toshio Yoshikawa, Nagayoshi Sakamoto, Masayuki Kurita, Shunji Oh-e, Tomitada Nagamori
  • N-(Salicyloylamino)imides and process for the preparation of the same
    Patent number: 3956331
    Abstract: Novel N-(salicyloylamino)imides which can act as excellent stabilizers for polyolefins are disclosed. A process for the preparation of the same which comprises the reaction of salicyloylhydrazine with a cyclic acid anhydride is also disclosed.
    Type: Grant
    Filed: August 1, 1974
    Date of Patent: May 11, 1976
    Assignee: Ube Industries, Ltd.
    Inventors: Toshio Yoshikawa, Nagayoshi Sakamoto, Tomitada Nagamori
  • Polyolefin composition
    Patent number: 3933736
    Abstract: A stabilized polyolefin composition having resistance against deterioration caused by contact with heavy metals such as copper which comprises 100 weight parts of polyolefin and 0.001-5 weight parts of N-(salicyloylamino)imide is disclosed.
    Type: Grant
    Filed: August 14, 1974
    Date of Patent: January 20, 1976
    Assignee: UBE Industries, Ltd.
    Inventors: Toshio Yoshikawa, Nagayoshi Sakamoto, Tomitada Nagamori