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:
Sep. 23, 1997
Filed:
Oct. 27, 1995
Applicant:
Inventor:
Norbert Hampp, Munchen, DE;
Assignee:
Consortium fur Elektrochemische Industrie GmbH, Munchen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428195 ; 428206 ; 428212 ; 4284111 ; 428457 ; 428913 ; 283 72 ;
Abstract
A composition for the delocalized marking of articles, which makes the forging or improper use or exploitation of these articles difficult. It includes chemical elements having a K.sub..alpha. line of from 3.69 keV to 76.315 keV in defined distributions, the physical properties of these substances and/or their elemental and/or quantitative composition serving as delocalized information which cannot be discerned with the naked eye.