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:
Oct. 20, 1992
Filed:
Dec. 06, 1989
Applicant:
Inventors:
Andre G Honnorat, Annecy le Vieux, FR;
Claude R Riou, Veyrier du Lac, FR;
Assignee:
Aussedat-Rey, Velizy Villa Coublay, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21H / ;
U.S. Cl.
CPC ...
162140 ; 162158 ; 1621812 ; 1621813 ; 427-7 ; 428916 ;
Abstract
This invention relates to paper-making and in particular to non-fluorescent forgery-proof safety paper which is characterized in that it comprises, on its surface and/or in its mass, a salt of cobalt(II) or (III), at least partially soluble in aqueous phase.
Honnorat, Andre. (1992). Non-fluorescent forgery-proof safety paper and document obtained (U.S. Patent No. 5156717). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5156717
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile