Title:
透明発光ポリマーを使用した同一性検証方法
Document Type and Number:
Japanese Patent JP2007503511
Kind Code:
A
Abstract:
Disclosed are methods of using a transparent, luminescent polymer for transparent marking and/or labeling for identity verification purposes. Also disclosed are sheets, films, markers, labels and taggants comprising transparent, luminescent polymers. Also disclosed are articles labeled with a transparent, luminescent polymer. This invention particularly relates to use of transparent, luminescent polymer compositions comprising ethylene (meth)acrylic acid copolymers and rare earth ions and transparent, luminescent polymer compositions comprising methyl (meth)acrylate/(meth)acrylic acid copolymers, fatty acids and rare earth ions for these purposes.
Inventors:
David M. Dean
Application Number:
JP2006524721A
Publication Date:
February 22, 2007
Filing Date:
August 18, 2004
Export Citation:
Assignee:
E.I.DU PONT DE NEMOURS AND COMPANY
International Classes:
C08L33/00; C08K5/09; C08L23/04; C08L43/00; C09K11/02; C09K11/06; G09F3/02; C08L23/08
Domestic Patent References:
JPH10315605A | 1998-12-02 | |||
JP2004526303A | 2004-08-26 |
Foreign References:
WO2002058084A2 | 2002-07-25 |
Attorney, Agent or Firm:
Yoshikazu Tani
Kazuo Abe
Kazuo Abe