CH522257A - Process for the production of documents protected against forgery - Google Patents

Process for the production of documents protected against forgery

Info

Publication number
CH522257A
CH522257A CH572871A CH572871A CH522257A CH 522257 A CH522257 A CH 522257A CH 572871 A CH572871 A CH 572871A CH 572871 A CH572871 A CH 572871A CH 522257 A CH522257 A CH 522257A
Authority
CH
Switzerland
Prior art keywords
production
protected against
against forgery
documents protected
documents
Prior art date
Application number
CH572871A
Other languages
German (de)
Inventor
Lindmark Gunnar
Original Assignee
Esselte Ab
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Esselte Ab filed Critical Esselte Ab
Publication of CH522257A publication Critical patent/CH522257A/en

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/40—Agents facilitating proof of genuineness or preventing fraudulent alteration, e.g. for security paper
    • D21H21/44—Latent security elements, i.e. detectable or becoming apparent only by use of special verification or tampering devices or methods
    • D21H21/48—Elements suited for physical verification, e.g. by irradiation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
    • B41M3/14—Security printing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • 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
    • B42D25/20—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose
    • B42D25/29—Securities; Bank notes
CH572871A 1970-04-20 1971-04-20 Process for the production of documents protected against forgery CH522257A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE538470A SE357637B (en) 1970-04-20 1970-04-20

Publications (1)

Publication Number Publication Date
CH522257A true CH522257A (en) 1972-06-15

Family

ID=20266356

Family Applications (1)

Application Number Title Priority Date Filing Date
CH572871A CH522257A (en) 1970-04-20 1971-04-20 Process for the production of documents protected against forgery

Country Status (8)

Country Link
AT (1) AT323762B (en)
CH (1) CH522257A (en)
DE (1) DE2118928A1 (en)
FI (1) FI53418C (en)
FR (1) FR2089929A5 (en)
GB (1) GB1344866A (en)
NL (1) NL7105335A (en)
SE (1) SE357637B (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1585533A (en) * 1976-12-07 1981-03-04 Portals Ltd Security papers
US5599578A (en) * 1986-04-30 1997-02-04 Butland; Charles L. Technique for labeling an object for its identification and/or verification
DE3714783A1 (en) * 1987-05-04 1988-11-24 Rainer Kuenstler Printing ink and use thereof
US6232124B1 (en) 1996-05-06 2001-05-15 Verification Technologies, Inc. Automated fingerprint methods and chemistry for product authentication and monitoring
US6490030B1 (en) 1999-01-18 2002-12-03 Verification Technologies, Inc. Portable product authentication device
US6512580B1 (en) 1999-10-27 2003-01-28 Verification Technologies, Inc. Method and apparatus for portable product authentication
US7124944B2 (en) 2000-06-30 2006-10-24 Verification Technologies, Inc. Product packaging including digital data
US6638593B2 (en) 2000-06-30 2003-10-28 Verification Technologies, Inc. Copy-protected optical media and method of manufacture thereof
US7660415B2 (en) 2000-08-03 2010-02-09 Selinfreund Richard H Method and apparatus for controlling access to storage media
US7976068B2 (en) 2002-10-10 2011-07-12 Document Security Systems, Inc. Double-blind security features
US8444181B2 (en) 2002-10-10 2013-05-21 Document Security Systems, Inc. Single-color screen patterns for copy protection
WO2004068421A2 (en) * 2002-10-10 2004-08-12 Document Security Systems, Inc. Document containing security images
US7845572B2 (en) 2005-08-01 2010-12-07 Document Security Systems, Inc. Solid-color embedded security feature

Also Published As

Publication number Publication date
DE2118928A1 (en) 1971-11-04
FI53418B (en) 1978-01-31
FR2089929A5 (en) 1972-01-07
SE357637B (en) 1973-07-02
FI53418C (en) 1978-05-10
NL7105335A (en) 1971-10-22
AT323762B (en) 1975-07-25
GB1344866A (en) 1974-01-23

Similar Documents

Publication Publication Date Title
ATA340072A (en) DEVICE FOR PRODUCING METAL POWDER
CH528365A (en) Machine for the production of envelopes from paper blanks
CH522257A (en) Process for the production of documents protected against forgery
CH536705A (en) Device for the production of curved wound bodies
AT311169B (en) Process for delignifying cellulosic materials
AT275569B (en) Process for the production of printing forms
AT318932B (en) Process for the production of metal-ceramic objects
CH493691A (en) Process for the production of pulp containing lignocellulose
AT284064B (en) Process for making very small capsules
AT316288B (en) Sewing machine for the production of rimmed pocket slots or the like.
AT289384B (en) Process for the continuous production of ethylene homopolymers
AT320574B (en) Device for the production of netting
AT307589B (en) Process for the production of aluminum coatings
CH475582A (en) Process for the production of relief forms for printing purposes
AT320961B (en) Process for the production of small-part polyethylene
BR7100533D0 (en) PROCESS FOR THE TREATMENT OF MINERALS
AT295557B (en) Process for the production of printing forms
AT293157B (en) Device for the production of flat structures
AT320962B (en) Process for the production of small-sized polyethylene
AT311776B (en) Process for the manufacture of complementary feed
CH557846A (en) PROCESS FOR PRODUCING HIGHLY OXALKYLATED POLYAMIDES
AT244078B (en) Process for the production of magnetogram carriers
DE1528287B1 (en) Process for the production of chipboard
CH483882A (en) Process for the continuous separation of dispersions
AT321011B (en) Process for making jewelry items

Legal Events

Date Code Title Description
PL Patent ceased