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:
May. 22, 2012
Filed:
Feb. 09, 2007
Applicants:
Henri Rosset, Le Pin, FR;
Ivan Thierry, Jouy sur Morin, FR;
Inventors:
Henri Rosset, Le Pin, FR;
Ivan Thierry, Jouy sur Morin, FR;
Assignees:
Arjowiggins, Paris, FR;
Arjowiggins Security, Paris, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D21F 1/44 (2006.01); D21H 21/40 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a sheet material comprising at least one first layer defining an outer surface of the sheet material and having at least one first color, at least one second layer comprising at least one watermark and having at least one second color, the first and second colors having at least different saturations and/or hue angles.