GB9320206D0 - Improvements in security features for paper - Google Patents

Improvements in security features for paper

Info

Publication number
GB9320206D0
GB9320206D0 GB939320206A GB9320206A GB9320206D0 GB 9320206 D0 GB9320206 D0 GB 9320206D0 GB 939320206 A GB939320206 A GB 939320206A GB 9320206 A GB9320206 A GB 9320206A GB 9320206 D0 GB9320206 D0 GB 9320206D0
Authority
GB
United Kingdom
Prior art keywords
paper
security features
security
features
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.)
Granted
Application number
GB939320206A
Other versions
GB2283026B (en
GB2283026A (en
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.)
Portals Ltd
Original Assignee
Portals Ltd
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 Portals Ltd filed Critical Portals Ltd
Priority to GB9320206A priority Critical patent/GB2283026B/en
Publication of GB9320206D0 publication Critical patent/GB9320206D0/en
Priority to ZA946600A priority patent/ZA946600B/en
Priority to AU76223/94A priority patent/AU7622394A/en
Priority to PCT/GB1994/002030 priority patent/WO1995009276A1/en
Priority to CN94116458A priority patent/CN1106091A/en
Publication of GB2283026A publication Critical patent/GB2283026A/en
Application granted granted Critical
Publication of GB2283026B publication Critical patent/GB2283026B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/22—Addition to the formed paper
    • D21H23/24—Addition to the formed paper during paper manufacture
    • D21H23/26—Addition to the formed paper during paper manufacture by selecting point of addition or moisture content of the paper
    • D21H23/28—Addition before the dryer section, e.g. at the wet end or press section
    • 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
    • B41M3/10—Watermarks
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F1/00—Wet end of machines for making continuous webs of paper
    • D21F1/44—Watermarking devices
    • 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
GB9320206A 1993-09-30 1993-09-30 Improvement in security features for paper Expired - Fee Related GB2283026B (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
GB9320206A GB2283026B (en) 1993-09-30 1993-09-30 Improvement in security features for paper
ZA946600A ZA946600B (en) 1993-09-30 1994-08-30 Improvement in security features for paper
AU76223/94A AU7622394A (en) 1993-09-30 1994-09-19 Improvement in security features for paper
PCT/GB1994/002030 WO1995009276A1 (en) 1993-09-30 1994-09-19 Improvement in security features for paper
CN94116458A CN1106091A (en) 1993-09-30 1994-09-26 Improvement of tamper indicating charaterastics of paper

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9320206A GB2283026B (en) 1993-09-30 1993-09-30 Improvement in security features for paper

Publications (3)

Publication Number Publication Date
GB9320206D0 true GB9320206D0 (en) 1993-11-17
GB2283026A GB2283026A (en) 1995-04-26
GB2283026B GB2283026B (en) 1997-01-08

Family

ID=10742794

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9320206A Expired - Fee Related GB2283026B (en) 1993-09-30 1993-09-30 Improvement in security features for paper

Country Status (5)

Country Link
CN (1) CN1106091A (en)
AU (1) AU7622394A (en)
GB (1) GB2283026B (en)
WO (1) WO1995009276A1 (en)
ZA (1) ZA946600B (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2350319B (en) * 1996-06-14 2001-01-10 Rue De Int Ltd Security printed device
DE19829004A1 (en) * 1998-06-30 2000-01-05 Giesecke & Devrient Gmbh Security paper
US6368455B1 (en) * 2001-05-31 2002-04-09 Appleton Papers Inc. Method for making security paper
IT1320079B1 (en) * 2000-10-25 2003-11-18 Cartiere Di Cordenons S P A PRINTABLE FILIGREE PAPER MATERIALS WITH HIGH PRINTING QUALITY.
EP1398175B1 (en) * 2002-09-13 2011-05-18 Agfa-Gevaert Carrier of information bearing a watermark
FR2849657B1 (en) * 2003-01-03 2005-07-15 Arjo Wiggins SHEET HAVING IRIDESCENT APPEARANCE, AND PROCESS FOR PRODUCING THE SAME
GB0325729D0 (en) 2003-11-04 2003-12-10 Rue De Int Ltd Security device
FR2897078B1 (en) * 2006-02-09 2011-08-19 Arjowiggins SHEET MATERIAL COMPRISING AT LEAST ONE WATERMILINE WITH A COLORED NUANCE.
GB0714141D0 (en) 2007-07-19 2007-08-29 Rue De Int Ltd security device
FR2922561B1 (en) * 2007-10-22 2009-12-11 Arjowiggins Licensing Sas SAFETY SHEET COMPRISING AN IRIDESCENT SAFETY BRAND
FR2945551B1 (en) * 2009-05-13 2011-08-26 Oberthur Technologies METHOD FOR MANUFACTURING A SECURITY ELEMENT FOR A SECURITY DOCUMENT
CN111270559A (en) * 2019-09-09 2020-06-12 华南理工大学 Nano-cellulose/nano-zinc oxide multifunctional protective solution, preparation method thereof and method for protecting paper documents

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL11011C (en) * 1914-01-22
US3985927A (en) * 1975-02-24 1976-10-12 Nekoosa Edwards Paper Company, Inc. Compositions and method for producing a chemical watermark on finished paper products
GB1489084A (en) * 1975-10-28 1977-10-19 Tullis Russell Co Ltd Simulated watermarking
DE3024394A1 (en) * 1980-06-28 1982-01-21 Letron GmbH, 8750 Aschaffenburg Paper coating process - has glue press in paper drying section to apply agent by impregnation
FR2524026B1 (en) * 1982-03-25 1985-09-13 Arjomari Prioux TRANSPARENTIATED CELLULOSIC MATERIALS AND THEIR APPLICATIONS, THEIR MANUFACTURING METHOD AND THE TRANSPARENT COMPOSITIONS THEREOF
ZW3287A1 (en) * 1986-02-24 1988-09-07 Moore Business Forms Inc Document bearing characteristic ink-printed indicia juxtaposed with corresponding characteristic synthetic watermark and method for producing same
GB8905471D0 (en) * 1989-03-10 1989-04-19 De La Rue Co Plc Sheet with security device
EP0490825B1 (en) * 1990-12-12 1995-03-15 - Sihl - Zürcher Papierfabrik An Der Sihl Security paper for banknotes or the same, and method for their manufacture
FR2670812B1 (en) * 1990-12-21 1996-06-21 Arjomari Europ PRINTABLE SHEET FOR MANUFACTURING SECURITY DOCUMENTS COMPRISING AN AGAINST COUNTERFEITING OR AUTHENTICATION.

Also Published As

Publication number Publication date
ZA946600B (en) 1995-04-03
GB2283026B (en) 1997-01-08
GB2283026A (en) 1995-04-26
CN1106091A (en) 1995-08-02
AU7622394A (en) 1995-04-18
WO1995009276A1 (en) 1995-04-06

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20040930