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:
Jul. 17, 2018
Filed:
May. 28, 2008
Applicant:
Henri Rosset, Le Pin, FR;
Inventor:
Henri Rosset, Le Pin, FR;
Assignee:
ARIOWIGGINS SECURITY, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21H 11/00 (2006.01); D21H 13/00 (2006.01); D21H 15/00 (2006.01); D21H 17/00 (2006.01); D21H 19/00 (2006.01); D21H 21/00 (2006.01); D21H 23/00 (2006.01); D21H 25/00 (2006.01); D21H 27/00 (2006.01); B44F 11/00 (2006.01); D21F 11/00 (2006.01); B42D 1/00 (2006.01); B42D 19/00 (2006.01); B42D 15/00 (2006.01); D21H 21/40 (2006.01); D21H 17/42 (2006.01); D21H 17/43 (2006.01); D21H 17/44 (2006.01); D21H 21/18 (2006.01); D21H 21/20 (2006.01);
U.S. Cl.
CPC ...
D21H 21/40 (2013.01); D21H 17/42 (2013.01); D21H 17/43 (2013.01); D21H 17/44 (2013.01); D21H 21/18 (2013.01); D21H 21/20 (2013.01);
Abstract
The present invention relates to a crumple-resistant security sheet comprising fibers; an anionic polymer in a proportion lying in the range 5% to 45% by dry weight relative to the total dry weight of the fibers, and presenting a glass transition temperature greater than 40° C.; and a main cationic flocculation agent in a quantity lying in the range 1% to 5% by dry weight relative to the total dry weight of the fibers.