CA1003205A - Anti-counterfeiting devices - Google Patents

Anti-counterfeiting devices

Info

Publication number
CA1003205A
CA1003205A CA169,523A CA169523A CA1003205A CA 1003205 A CA1003205 A CA 1003205A CA 169523 A CA169523 A CA 169523A CA 1003205 A CA1003205 A CA 1003205A
Authority
CA
Canada
Prior art keywords
counterfeiting devices
counterfeiting
devices
Prior art date
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.)
Expired
Application number
CA169,523A
Other languages
English (en)
Other versions
CA169523S (en
Inventor
Donald E. Hayford
Joe W. Jones
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NCR Voyix Corp
Original Assignee
NCR Corp
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 NCR Corp filed Critical NCR Corp
Application granted granted Critical
Publication of CA1003205A publication Critical patent/CA1003205A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/36—Identification or security features, e.g. for preventing forgery comprising special materials
    • B42D25/364—Liquid crystals
    • 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
    • B42D25/24—Passports
    • 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
    • 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
    • D21H21/46—Elements suited for chemical verification or impeding chemical tampering, e.g. by use of eradicators
    • B42D2033/26—

Landscapes

  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Finance (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Credit Cards Or The Like (AREA)
  • Printing Methods (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
  • Inspection Of Paper Currency And Valuable Securities (AREA)
  • Paints Or Removers (AREA)
CA169,523A 1972-05-12 1973-04-25 Anti-counterfeiting devices Expired CA1003205A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US25268772A 1972-05-12 1972-05-12

Publications (1)

Publication Number Publication Date
CA1003205A true CA1003205A (en) 1977-01-11

Family

ID=22957088

Family Applications (1)

Application Number Title Priority Date Filing Date
CA169,523A Expired CA1003205A (en) 1972-05-12 1973-04-25 Anti-counterfeiting devices

Country Status (3)

Country Link
JP (1) JPS5716912B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1003205A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1387389A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5521127U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1978-07-26 1980-02-09
JPS58138705A (ja) * 1982-02-12 1983-08-17 Mitsui Petrochem Ind Ltd オレフイン系重合体の製造方法
SE8903823D0 (sv) * 1989-11-14 1989-11-14 Tumba Bruk Ab Lottpapper, foerfarande foer framstaellning av lottpapper samt dess anvaendning vid tillverkning av lottprodukter
JPH0372478U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1989-11-17 1991-07-22
GB2274428B (en) * 1993-01-20 1996-08-21 Portals Security threads
US5629055A (en) * 1994-02-14 1997-05-13 Pulp And Paper Research Institute Of Canada Solidified liquid crystals of cellulose with optically variable properties
DE102009016525A1 (de) * 2009-04-06 2010-10-07 Giesecke & Devrient Gmbh Mikrokapsel mit Flüssigkristall
JP2016529336A (ja) * 2013-06-12 2016-09-23 シクパ ホルディング ソシエテ アノニムＳｉｃｐａ Ｈｏｌｄｉｎｇ Ｓａ 感熱性タンパー表示マーキング

Also Published As

Publication number Publication date
GB1387389A (en) 1975-03-19
JPS4950899A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1974-05-17
JPS5716912B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1982-04-07
DE2323076A1 (de) 1973-11-22
DE2323076B2 (de) 1975-06-26

Similar Documents

Publication Publication Date Title
AU5439373A (en) Pillow-doll combination
AU4806372A (en) Saf-t-jet
AU467469B2 (en) Trifluoromethylmercaptoacetamindocephalosphorins
CA971078A (en) Gas-moving devices
AU454372B2 (en) Childsafe actuator-overcap
AU5583373A (en) Deipenylyl-alkanoylaminopyridine
CA1003205A (en) Anti-counterfeiting devices
AU475339B2 (en) S-substituted-2-thiodenosines
AU475748B2 (en) Napnthopyrans
AU470359B2 (en) Sulphamoylphenyl-imidazolidinones
AU468159B2 (en) 5-aroyl-furans
AU5517973A (en) Cycloalkyllactamimides
AU471369B2 (en) Diphenylmethoxyethylamines
AU468236B2 (en) 2-acyl-5-nitrothiazoles
AU468599B2 (en) 15-oxasteroids
AU5342873A (en) Pyronorifamycins
AU472554B2 (en) Isothocyanobenzoxazoles
CA899940A (en) Lock-alarm combination
AU465942B2 (en) Buhner
AU474168B2 (en) Anilinobenzothiazoles
AU473061B2 (en) 3-aminohydroxypropoxy-2-substituted-4-pyranones
AU477230B2 (en) Isothiocyanobenzimidazoles
AU477577B2 (en) Amidinoureas
AU477717B2 (en) Bis-alkanolamines
AU479372B2 (en) Dl-methionyl-dl-methionine