Title:
複屈折マーキング
Document Type and Number:
Japanese Patent JP2004528203
Kind Code:
A
Abstract:
The invention relates to a birefringent marking comprising a liquid crystal material. The invention further relates to method of providing such a birefringent marking and to the use of the birefringent marking for decorative or security applications.
Inventors:
Kunz, Matthias
Hammond-Smith, Robert
Patrick, John
Graham, Gee Donald
Riddle, Rodney
Hammond-Smith, Robert
Patrick, John
Graham, Gee Donald
Riddle, Rodney
Application Number:
JP2002583198A
Publication Date:
September 16, 2004
Filing Date:
March 28, 2002
Export Citation:
Assignee:
Merck Patent Gesellschaft mit beschraenkter Haftung
International Classes:
B41M1/14; B41M3/00; B41M3/14; B42D1/00; B42D15/00; B42D25/29; B42D25/324; B42D25/328; B42D25/36; B42D25/364; B42D25/378; G02B5/30; (IPC1-7): B42D15/10; G02B5/30
Attorney, Agent or Firm:
Akio Miyazaki
Nobuyuki Kaneda
Katsuhiro Ito
Ishibashi Masayuki
Nobuyuki Kaneda
Katsuhiro Ito
Ishibashi Masayuki