Patents by Inventor Masamichi Knodo

Masamichi Knodo 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).

  • Tris(beta,beta-dimethylphenethyl) tin compounds
    Patent number: 4703059
    Abstract: A compound represented by the formula ##STR1## wherein R represents an alkyl group having 7 to 11 carbon atoms, a phenyl group which may be substituted by a lower alkyl group or a halogen atom, or a group of the formula ##STR2## in which X represents a hydrogen or halogen atom. This compound can be prepared by reacting a compound represented by the formula ##STR3## wherein m is an integer of 1 to 2, and Y represents a chlorine atom when m is 1 and --O-- when m is 2, with a compound represented by the following formula ##STR4## wherein M represents a hydrogen or alkali metal atom; and is useful as a miticide.
    Type: Grant
    Filed: September 13, 1985
    Date of Patent: October 27, 1987
    Assignee: Yashima Chemical Industrial Co., Ltd.
    Inventors: Toshio Kano, Masamichi Knodo, Tatsufumi Ikeda, Chiharu Morikawa