The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 06, 2004
Filed:
Feb. 20, 2001
Applicant:
Inventors:
Assignee:
SICPA Holding S.A., Prilly, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 1/00 ; B32B 3/100 ; C09D 1/100 ; B42D 1/500 ;
U.S. Cl.
CPC ...
B32B 1/00 ; B32B 3/100 ; C09D 1/100 ; B42D 1/500 ;
Abstract
Inorganic sheets ( ) of at least two surperposed layers are provided with one or more symbols ( ) which have a size of between 1 and 10 &mgr;m. The inorganic sheet is made up into pigment flakes ( ). The symbols on the pigment flakes ( ) allow a tracing of compositions such as printing inks or paintings and of substrates carrying such compositions.