Patents by Inventor Kunio Kosugi

Kunio Kosugi 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).

  • Process for producing a polyether carbonate surface active material
    Patent number: 4382014
    Abstract: A process for producing a polyether carbonate surface active material having hydrocarbon residue at terminal thereof in an efficient manner, wherein an active hydrogen-containing compound which has a hydrocarbon residue containing 4 or more of carbon atoms and a five-membered ring carbonic acid ester are telomerized in the presence of an ate-complex of a metal of Group II,III or IV of the periodic table having at least two alkoxy groups.
    Type: Grant
    Filed: September 29, 1980
    Date of Patent: May 3, 1983
    Assignee: The President of Shizuoka University
    Inventors: Shizuyoshi Sakai, Tatsuo Fujinami, Kunio Kosugi, Hiroshi Takemura, Michiaki Sagesaka