Patents by Inventor Chiaki Nakata

Chiaki Nakata 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).

  • Method for adhering artificial nail
    Patent number: 4615348
    Abstract: A method for adhering an artificial nail to a natural nail by the use of an adhesive comprising at least one of .alpha.-cyanoacrylates of the formula: ##STR1## wherein R is n-propyl, isopropyl, n-butyl, isobutyl, methoxyethyl, ethoxyethyl or etrahydrofurfuryl. This method does not generate heat and assures easy removal of the adhesion with a conventional solvent.
    Type: Grant
    Filed: December 13, 1982
    Date of Patent: October 7, 1986
    Assignees: Taoka Chemical Company Limited, Sumitomo Chemical Co. Limited
    Inventors: Chiaki Nakata, Toshio Takenaka
  • Adhesive composition
    Patent number: 4377490
    Abstract: An adhesive composition enhanced in initial adhesion strength which comprises (A) an .alpha.-cyanoacrylate ester, (B) at least one chosen from aliphatic polyols and their derivatives and polyethers and their derivatives and (C) at least one chosen from aromatic polyols and their derivatives and carboxylic acids and their derivatives.
    Type: Grant
    Filed: September 9, 1981
    Date of Patent: March 22, 1983
    Assignees: Sumitomo Chemical Company, Limited, Taoka Chemical Co., Ltd.
    Inventors: Yoshihisa Shiraishi, Kazuhiro Nakagawa, Chiaki Nakata, Koiti Ohasi
  • Adhesive composition
    Patent number: 4307216
    Abstract: An adhesive composition which comprises an .alpha.-cyanoacrylate compound with a certain ester ether compound and, preferably, a polyhydroxybenzoic acid compound. The composition is enhanced in heat shock resistance and improved in initial adhesion rate.
    Type: Grant
    Filed: January 14, 1980
    Date of Patent: December 22, 1981
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Yoshihisa Shiraishi, Kazuhiro Nakagawa, Chiaki Nakata, Koiti Ohasi