Patents by Inventor Kozo Fukuba

Kozo Fukuba 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).

  • Fluid plaster composition
    Patent number: 4102697
    Abstract: A fluid plaster composition comprising gypsum hemihydrate of .alpha.-form and a surface active agent of phosphoric ester, which is useful for formation of a horizontal surface by application onto a floor surface.
    Type: Grant
    Filed: July 8, 1976
    Date of Patent: July 25, 1978
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Kozo Fukuba, Yasutomo Ogushi, Haruhisa Harada
  • Flame-resistant plaster board and its manufacture
    Patent number: 4064317
    Abstract: A flame-resistant plaster board characterized in that the board paper constituting the outside of the plaster board contains at least one alkali compound selected from the group consisting of hydroxides and salts of alkali metals and alkaline earth metals which easily decompose or melt on heating. Said flame-resistant plaster board is improved in that the generation of smoke on heating is inhibited without reduction of the mechanical strength.
    Type: Grant
    Filed: February 4, 1976
    Date of Patent: December 20, 1977
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Kozo Fukuba, Minematsu Miyazaki
  • Intumescent fire-retardant coating compositions containing amide-polyphosphates
    Patent number: 3969291
    Abstract: An intumescent fire-retardant coating composition containing, as a fire-retardant ingredient and an intumescent solid, a substantially water-insoluble amide polyphosphate condensate is disclosed.
    Type: Grant
    Filed: March 6, 1975
    Date of Patent: July 13, 1976
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Kozo Fukuba, Yasutomo Ogushi