Patents by Inventor Keiichi Maruo

Keiichi Maruo 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).

  • Herbicidal composition
    Patent number: 3975181
    Abstract: A novel herbicidal composition for combating the undesired vegetation of perennial weeds of Cyperaceae and Gramineae comprising as active ingredients at least one of the herbicidal compounds having contact acute phytotoxicity and at least one of the herbicidal compounds having translocated chronic phytotoxicity and being selected from the group consisting of fluoropropionic acids of the formula: ##EQU1## wherein X is fluorine or chlorine, and their salts and amides with an inert carrier.
    Type: Grant
    Filed: March 23, 1973
    Date of Patent: August 17, 1976
    Assignee: Daikin Kogyo Co., Ltd.
    Inventors: Shiro Watanabe, Keiichi Maruo, Hiroshi Ono