Patents by Inventor Shunichi Nakamura

Shunichi Nakamura 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).

  • Patent number: 3953565
    Abstract: A process for producing flame-retardant shaped articles of thermoplastic synthetic resins is disclosed which process comprises dispersing homogeneously in a thermoplastic synthetic resin an inorganic metal compound and a surfactant, said inorganic metal compound being one capable of forming a hydrate by reacting with a member of the group consisting of water and an aqueous acid solution, forming the resulting composition into a desired shaped article, and thereafter contacting the thus obtained shaped article with a member selected from the group consisting of water and an aqueous acid solution, thereby converting said inorganic metal compound contained in said shaped article to a hydrate.
    Type: Grant
    Filed: October 18, 1974
    Date of Patent: April 27, 1976
    Assignee: Tokuyama Soda Kabushiki Kaisha
    Inventors: Yukio Mizutani, Kazuo Shikata, Shunichi Nakamura, Michio Yoshimizu