Patents by Inventor Yoshito Saeki

Yoshito Saeki 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).

  • Sublimable herbicidal compositions containing triisopropyl-or tritertiary-butyl-s-trioxane carriers
    Patent number: 4214892
    Abstract: An improvement is provided in sublimable agricultural chemical compositions in the form of rough grains, pulverized powders or tablets which comprises at least one agricultural chemical and a carrier therefor. The improvement resides in the employment as the carrier, triisopropyl-s-trioxane or tritertiary-butyl-s-trioxane.
    Type: Grant
    Filed: August 7, 1978
    Date of Patent: July 29, 1980
    Assignee: Ogawa & Co., Ltd.
    Inventors: Yasuhiko Ueno, Yoshito Saeki, Takuya Akiyama, Masao Fujita
  • Sublimable fungicidal compositions containing triisopropyl- or tritertiary-butyl-s-trioxane carriers
    Patent number: 4210640
    Abstract: An improvement is provided in sublimable agricultural chemical compositions in the form of rough grains, pulverized powders or tablets which comprises at least one agricultural chemical and a carrier therefor. The improvement resides in the employment as the carrier, triisopropyl-s-trioxane or tritertiary-butyl-s-trioxane.
    Type: Grant
    Filed: August 7, 1978
    Date of Patent: July 1, 1980
    Assignee: Ogawa & Co., Ltd.
    Inventors: Yasuhiko Ueno, Yoshito Saeki, Takuya Akiyama, Masao Fujita
  • Sublimable insecticidal compositions containing triisopropyl- or tritertiary-butyl-s-trioxane carriers
    Patent number: 4123525
    Abstract: An improvement is provided in sublimable agricultural chemical compositions in the form of rough grains, pulverized powders or tablets which comprises at least one agricultural chemical and a carrier therefor. The improvement resides in the employment as the carrier, triisopropyl-s-trioxane or tritertiary-butyl-s-trioxane.
    Type: Grant
    Filed: October 29, 1976
    Date of Patent: October 31, 1978
    Assignee: Ogawa & Co., Ltd.
    Inventors: Yasuhiko Ueno, Yoshito Saeki, Takuya Akiyama, Masao Fujita
  • Sublimable aromatic compositions
    Patent number: 4045551
    Abstract: Sublimable aromatic compositions containing triisopropyl-s-trioxane or tritertiary-butyl-s-trioxane and an additive such as perfume, which compositions, contrary to conventional sublimable materials, are characterized by their ability to contain large percentages of perfume without a drop in their melting point, enabling manufacture of superfine sublimable aromatic compositions.
    Type: Grant
    Filed: July 2, 1975
    Date of Patent: August 30, 1977
    Assignee: Ogawa & Co., Ltd.
    Inventors: Yasuhiko Ueno, Yoshito Saeki, Takuya Akiyama, Masao Fujita
  • Method of manufacturing cis,cis-2,4,6-triisopropyl-1,3,5-trioxane
    Patent number: 3981889
    Abstract: Method of producing cis,cis-2,4,6-triisopropyl-1,3,5-trioxane by cyclic trimerization of isobutylaldehyde in the presence of a strong acid catalyst.
    Type: Grant
    Filed: April 22, 1974
    Date of Patent: September 21, 1976
    Assignee: Ogawa & Co., Ltd.
    Inventors: Masao Fujita, Takuya Akiyama, Yoshito Saeki, Yasuhiko Ueno