Patents by Inventor Hiroko Yabe

Hiroko Yabe 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).

  • Antifungal and mildewproofing imidazole compounds
    Patent number: 4912123
    Abstract: Disclosed is a novel imidazole compound represented by the following formula: ##STR1## wherein A.sub.1 stands for a thien-3-yl or 4-chlorophenyl group and A.sub.2 stands for a 2,4-dichlorophenyl, 2-chlorothien-3-yl or 2-chloro-5-bromothien-3-yl group, with the proviso that at least one of A.sub.1 and A.sub.2 stands for a thien-3-yl or halogen-substituted thien-3-yl group. This compound is effective as a therapeutic antifungal agent or mildewproofing agent.
    Type: Grant
    Filed: October 27, 1988
    Date of Patent: March 27, 1990
    Assignee: Shikoku Chemicals Corporation
    Inventors: Takayuki Fujita, Yoshiya Iwasaki, Hiroko Yabe, Tadashi Akita
  • Chemotherapeutant composition
    Patent number: 4798844
    Abstract: 1-(4-Chlorophenyl)-2-(1H-imidazolyl)-3-(2,4-dichlorophenyl)-2-propen-1-one hydrochloride is useful as a chemotherapeutant which is administered to men or animals for remedy of diseases caused by true fungi or bacteria.
    Type: Grant
    Filed: April 14, 1987
    Date of Patent: January 17, 1989
    Assignee: Shikoku Chemicals Corporation
    Inventors: Takayuki Fujita, Yoshiya Iwasaki, Hiroko Yabe
  • Chlorothienyl-imidazole propenones
    Patent number: 4720551
    Abstract: Disclosed are compounds represented by the following general formula and its hydrochloride salts: ##STR1## wherein A.sub.1 stands for a phenyl group, a halophenyl group, a thienyl group or a halothienyl group, and A.sub.2 stands for a phenyl group or a halophenyl group.These compounds can be obtained by reacting an imidazole compound of the following formula: ##STR2## with a benzaldehyde compound of the formula A.sub.2 -CHO. These compounds are valuable as fungicidal agents.
    Type: Grant
    Filed: September 12, 1986
    Date of Patent: January 19, 1988
    Assignee: Shikoku Chemicals Corporation
    Inventors: Takayuki Fujita, Hiroko Yabe, Tadashi Akita