Patents by Inventor Hiromitsu Tachibana

Hiromitsu Tachibana 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 particulate production of condensate of aldehyde compound and phenol compound
    Patent number: 4542204
    Abstract: A method for a condensate of an aldehyde compound and a phenol compound, said method comprising dispersing a viscous condensate obtained by the reaction of an aldehyde compound with a phenol compound into cold water or hot water by the aid of a dispersing agent, and then solidifying said condensate.
    Type: Grant
    Filed: October 28, 1983
    Date of Patent: September 17, 1985
    Assignee: Kanegafuchi Kagaku Kogyo Kabushiki Kaisha
    Inventors: Hiroshi Shibahara, Hiromitsu Tachibana
  • Method of suspension polymerizing vinyl chloride with salts of nitrous acids and polyvalent metal salts
    Patent number: 4035563
    Abstract: A method of suspension polymerizing in an aqueous medium vinyl chloride or a mixture of 50% or more vinyl chloride and remainder other monomers copolymerizable therewith in the presence of an oil soluble initiator, a suspension stabilizer and 0.005 to 50 ppm of nitrite, and 10 to 1000 ppm of water soluble metallic salt, the parts being based on the amount of aqueous medium.
    Type: Grant
    Filed: March 12, 1975
    Date of Patent: July 12, 1977
    Assignee: Kanegafuchi Kagaku Kogyo Kabushiki Kaisha
    Inventors: Hiromitsu Tachibana, Toshiaki Sasaki, Toshiaki Sugita, Kazuo Saito