Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Transmarine Corp
Original Assignee
Transmarine Corp
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Publication date
Application filed by Transmarine CorpfiledCriticalTransmarine Corp
Priority to FR108192ApriorityCriticalpatent/FR1524748A/fr
Application grantedgrantedCritical
Publication of FR1524748ApublicationCriticalpatent/FR1524748A/fr
B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
B42D25/30—Identification or security features, e.g. for preventing forgery
B42D25/36—Identification or security features, e.g. for preventing forgery comprising special materials
B42D25/378—Special inks
B42D25/382—Special inks absorbing or reflecting infrared light
FR108192A1967-05-291967-05-29Document destiné à être utilisé avec un appareil pour la vérification de l'authenticité d'un document
ExpiredFR1524748A
(fr)