Patents by Inventor Hiroo Maeno

Hiroo Maeno 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).

  • Thick and tough cellophane for casings and method of preparing the same
    Patent number: 4328838
    Abstract: Thick and tough cellophane for casings is provided wherein viscose is passed through an aqueous coagulation solution containing 15 to 30 weight percent of middle or higher alcohol and/or polyhydric alcohol, the coagulated viscose film being subjected to tension in its horizontal direction in the process of coagulation during passage in the coagulation solution. Thicker and tougher casing cellophane is provided wherein the coagulated viscose film exiting from the coagulation solution is further passed through a second aqueous coagulation solution containing inorganic acid and metallic salt thereof, the coagulated viscose film being subjected to tension in its horizontal direction during passage in the coagulation solution.
    Type: Grant
    Filed: May 30, 1979
    Date of Patent: May 11, 1982
    Assignee: Kanegafuchi Kagaku Kogyo Kabushiki Kaisha
    Inventors: Kosaku Asada, Hiroo Maeno
  • Memory enhancer containing 2-(7-indenyloxymethyl-morpholine
    Patent number: 4297356
    Abstract: A memory enhancer comprising a composition containing 2-(7-indenyloxymethyl)-morpholine or an acid addition salt thereof as the effective component.
    Type: Grant
    Filed: August 25, 1980
    Date of Patent: October 27, 1981
    Assignee: Yamanouchi Pharmaceutical Co., Ltd.
    Inventors: Minoru Yamamoto, Shiro Tachikawa, Hiroo Maeno
  • Pharmaceutical compositions of a prostaglandin compound for rectal use in treating asthma
    Patent number: 4153727
    Abstract: A pharmaceutical composition for rectal administration containing 11.alpha.,15(S)-dihydroxy-20-methoxy-16(S)-methyl-9-oxo-5(cis,13(trans)-pr ostadienoic acid or a water-soluble salt thereof dissolved or dispersed in a lipophilic or hydrophilic base in the presence or absence of a buffer solution or an aqueous organic amine solution.
    Type: Grant
    Filed: January 9, 1978
    Date of Patent: May 8, 1979
    Assignee: Yamanouchi Pharmaceutical Co., Ltd.
    Inventors: Hidefumi Matsui, Kenichi Tomioka, Hiroitsu Kawada, Hiroo Maeno