Patents by Inventor Mamoru Yamada

Mamoru Yamada 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 disposal of waste synthetic high polymer
    Patent number: 3941066
    Abstract: Waste synthetic high polymer, especially those containing polyvinyl chloride and the like chlorine-containing synthetic resins are heated at 200.degree.-500.degree.C to thereby form a hot molten bath of fusible materials contained in the waste resin mixture and the chlorine-containing resins are effectively decomposed in the molten bath kept at the temperature of 200.degree.-500.degree.C with the generation of hydrogen chloride gas which can be recovered as hydrochloric acid.
    Type: Grant
    Filed: March 3, 1972
    Date of Patent: March 2, 1976
    Assignee: Kawasaki Jukogyo Kabushiki Kaisha
    Inventors: Hayami Itoh, Mamoru Yamada, Yasuo Nozaki
  • Method for disposal of waste synthetic high polymer
    Patent number: 3933989
    Abstract: Waste synthetic high polymer, especially those containing polyvinyl chloride and the like chlorine-containing synthetic resins are heated at 200.degree.-500.degree.C to thereby form a hot molten bath of fusible materials contained in the waste resin mixture and the chlorine-containing resins are effectively decomposed in the molten bath kept at the temperature of 200.degree.-500.degree.C with the generation of hydrogen chloride gas which can be recovered as hydrochloric acid.
    Type: Grant
    Filed: January 11, 1974
    Date of Patent: January 20, 1976
    Assignee: Kawasaki Jukogyo Kabushiki Kaisha
    Inventors: Hayami Itoh, Mamoru Yamada, Yasuo Nozaki