AU530025B2 - Safety paper - Google Patents

Safety paper

Info

Publication number
AU530025B2
AU530025B2 AU77618/81A AU7761881A AU530025B2 AU 530025 B2 AU530025 B2 AU 530025B2 AU 77618/81 A AU77618/81 A AU 77618/81A AU 7761881 A AU7761881 A AU 7761881A AU 530025 B2 AU530025 B2 AU 530025B2
Authority
AU
Australia
Prior art keywords
safety paper
paper
safety
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.)
Ceased
Application number
AU77618/81A
Other versions
AU7761881A (en
Inventor
Merton James Lay
William Harvey Mowry
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.)
Unisys Corp
Original Assignee
Burroughs 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 Burroughs Corp filed Critical Burroughs Corp
Priority to AU77618/81A priority Critical patent/AU530025B2/en
Publication of AU7761881A publication Critical patent/AU7761881A/en
Application granted granted Critical
Publication of AU530025B2 publication Critical patent/AU530025B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • B41M3/146—Security printing using a non human-readable pattern which becomes visible on reproduction, e.g. a void mark
    • 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
AU77618/81A 1981-11-18 1981-11-18 Safety paper Ceased AU530025B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU77618/81A AU530025B2 (en) 1981-11-18 1981-11-18 Safety paper

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU77618/81A AU530025B2 (en) 1981-11-18 1981-11-18 Safety paper

Publications (2)

Publication Number Publication Date
AU7761881A AU7761881A (en) 1982-05-27
AU530025B2 true AU530025B2 (en) 1983-06-30

Family

ID=3758041

Family Applications (1)

Application Number Title Priority Date Filing Date
AU77618/81A Ceased AU530025B2 (en) 1981-11-18 1981-11-18 Safety paper

Country Status (1)

Country Link
AU (1) AU530025B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0547786A1 (en) * 1991-12-19 1993-06-23 Moore Business Forms, Inc. Water resistant security ink composition and document incorporating such ink

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0547786A1 (en) * 1991-12-19 1993-06-23 Moore Business Forms, Inc. Water resistant security ink composition and document incorporating such ink

Also Published As

Publication number Publication date
AU7761881A (en) 1982-05-27

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