Patents by Inventor Tetuo Tuboi

Tetuo Tuboi 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).

  • Crystalline synthetic resin composition
    Patent number: 5342868
    Abstract: The crystalline synthetic resin composition of the present invention comprises 100 parts by weight of a crystalline synthetic resin compounded with (a) 0.01 to 5 parts by weight of at least one of alkali-metal carboxylates, alkali metal .beta.-diketonates and alkali metal salts of .beta.-ketoacetic esters and (b) 0.01 to 5 parts by weight of at least one of basic polyvalent metal salts of cyclic organophosphoric esters of the following general formula (I): ##STR1## wherein R.sub.1 represents a hydrogen atom or an alkyl group having 1 to 4 carbon atoms, R.sub.2 and R.sub.3 each represent a hydrogen atom or an alkyl group having 1 to 12 carbon atoms, M represents a group III or IV metal atom of the periodic table, and X represents HO--when M represents a group III metal atom of the periodic table and X represents 0.dbd. or (HO).sub.2 --when M represents a group IV metal atom of the periodic table. The compositions can be used for packaging materials, and coated molded articles.
    Type: Grant
    Filed: March 4, 1993
    Date of Patent: August 30, 1994
    Assignee: Asahi Denka Kogyo Kabushiki Kaisha
    Inventors: Ryoji Kimura, Tetuo Tuboi, Kazunori Nishikawa