Patents by Inventor Shuichi Honjo

Shuichi Honjo 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).

  • Stabilized coal-oil mixture
    Patent number: 4389219
    Abstract: Mixture of a fuel oil and pulverized coal are stabilized by the addition of a small amount of a polyether-type adduct having a molecular weight of from 6,000 to 600,000 between a lower alkylene oxide and a poly(lower alkyleneimine) compound, or a derivative of said adduct.
    Type: Grant
    Filed: February 23, 1982
    Date of Patent: June 21, 1983
    Assignee: Dai-Ichi Kogyo Seiyaku Co., Ltd.
    Inventors: Akihiro Naka, Shuichi Honjo
  • Stabilized fuel slurry
    Patent number: 4251229
    Abstract: A fuel slurry comprising a mixture of a fuel oil and pulverized coal may be effectively stabilized with a small amount of adducts of alkylene oxide and an alcohol, an amine, a carboxylic acid or a phenol, or inorganic acid esters of said adducts; or cross-linked products of said adducts or said inorganic acid esters.
    Type: Grant
    Filed: September 28, 1978
    Date of Patent: February 17, 1981
    Assignee: Dai-Ichi Kogyo Seiyaku Co., Ltd.
    Inventors: Akihiro Naka, Shuichi Honjo, Kaoru Aoike
  • Stabilized fuel slurry
    Patent number: 4195975
    Abstract: A fuel slurry comprising a mixture of a fuel oil and pulverized coal may be effectively stabilized with a small amount of a condensation product of a sulfonated benzene or naphthalene derivative-formaldehyde, ligninsulfonic acid, carboxymethylcellulose, carboxymethyl-starch or a salt thereof.
    Type: Grant
    Filed: April 17, 1978
    Date of Patent: April 1, 1980
    Assignee: Dai-Ich Kogyo Seiyaku Co., Ltd.
    Inventors: Yasumasa Hamuro, Akihiro Naka, Shuichi Honjo