Patents by Inventor Mieko Takei

Mieko Takei 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).

  • Organic peroxide and use thereof
    Patent number: 5292914
    Abstract: An organic peroxide consisting of 1 to 30 repeating units represented by the formula ##STR1## wherein R stands for one group selected from the class consisting of ethylene, acetylene, cyclohexylene, and phenylene groups and one of 1 and m stands for an integer of at least 1 and 1+m stands for an integer in the range of from 6 to 220. Polymerization initiator for a vinyl monomer consisting of the organic peroxide mentioned above. A method for polymerizing a vinyl monomer by using the polymerization initiator mentioned above.
    Type: Grant
    Filed: July 1, 1993
    Date of Patent: March 8, 1994
    Assignee: NOF Corporation
    Inventors: Shuji Suyama, Tomoyuki Nakamura, Hiroyuki Nagai, Mieko Takei