GB2484233B - Improvements in rare-earth-based materials - Google Patents

Improvements in rare-earth-based materials

Info

Publication number
GB2484233B
GB2484233B GB1200640.9A GB201200640A GB2484233B GB 2484233 B GB2484233 B GB 2484233B GB 201200640 A GB201200640 A GB 201200640A GB 2484233 B GB2484233 B GB 2484233B
Authority
GB
United Kingdom
Prior art keywords
rare
earth
based materials
materials
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 - Fee Related
Application number
GB1200640.9A
Other versions
GB2484233A (en
GB201200640D0 (en
Inventor
Jack Silver
Robert Withnall
George Fern
Emma Barrett
Paul Marsh
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.)
Governor and Co of Bank of England
Original Assignee
Governor and Co of Bank of England
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 Governor and Co of Bank of England filed Critical Governor and Co of Bank of England
Publication of GB201200640D0 publication Critical patent/GB201200640D0/en
Publication of GB2484233A publication Critical patent/GB2484233A/en
Application granted granted Critical
Publication of GB2484233B publication Critical patent/GB2484233B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • B42D25/20—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
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
    • G03G21/04—Preventing copies being made of an original
    • G03G21/043—Preventing copies being made of an original by using an original which is not reproducible or only reproducible with a different appearence, e.g. originals with a photochromic layer or a colour background
    • C01F17/0043—
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F17/00—Compounds of rare earth metals
    • C01F17/20—Compounds containing only rare earth metals as the metal element
    • C01F17/206—Compounds containing only rare earth metals as the metal element oxide or hydroxide being the only anion
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D11/00—Inks
    • C09D11/02—Printing inks
    • C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/06—Luminescent, e.g. electroluminescent, chemiluminescent materials containing organic luminescent materials
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
    • 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
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2211/00—Chemical nature of organic luminescent or tenebrescent compounds
    • C09K2211/10—Non-macromolecular compounds
    • C09K2211/1018—Heterocyclic compounds
    • C09K2211/1025—Heterocyclic compounds characterised by ligands
    • C09K2211/1074—Heterocyclic compounds characterised by ligands containing more than three nitrogen atoms as heteroatoms
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2211/00—Chemical nature of organic luminescent or tenebrescent compounds
    • C09K2211/18—Metal complexes
    • C09K2211/187—Metal complexes of the iron group metals, i.e. Fe, Co or Ni
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2211/00—Chemical nature of organic luminescent or tenebrescent compounds
    • C09K2211/18—Metal complexes
    • C09K2211/188—Metal complexes of other metals not provided for in one of the previous groups
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/00172—Apparatus for electrophotographic processes relative to the original handling
    • G03G2215/00206—Original medium
    • G03G2215/00299—Confidential, e.g. secret documents

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Geology (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Chemical & Material Sciences (AREA)
  • Accounting & Taxation (AREA)
  • Finance (AREA)
  • Wood Science & Technology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Luminescent Compositions (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Printing Methods (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Glass Compositions (AREA)
  • Cleaning In Electrography (AREA)
GB1200640.9A 2007-04-18 2008-04-17 Improvements in rare-earth-based materials Expired - Fee Related GB2484233B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0707420.6A GB0707420D0 (en) 2007-04-18 2007-04-18 Copy-protected documents

Publications (3)

Publication Number Publication Date
GB201200640D0 GB201200640D0 (en) 2012-02-29
GB2484233A GB2484233A (en) 2012-04-04
GB2484233B true GB2484233B (en) 2012-11-14

Family

ID=38116888

Family Applications (6)

Application Number Title Priority Date Filing Date
GBGB0707420.6A Ceased GB0707420D0 (en) 2007-04-18 2007-04-18 Copy-protected documents
GB0806998A Withdrawn GB2448606A (en) 2007-04-18 2008-04-17 Doped rare-earth oxides
GB0806996.5A Expired - Fee Related GB2448605B (en) 2007-04-18 2008-04-17 Copy-protected documents
GB0806995.7A Expired - Fee Related GB2448604B (en) 2007-04-18 2008-04-17 Copy-protected documents
GB1200640.9A Expired - Fee Related GB2484233B (en) 2007-04-18 2008-04-17 Improvements in rare-earth-based materials
GB0806994.0A Expired - Fee Related GB2448603B (en) 2007-04-18 2008-04-17 Copy-protected documents

Family Applications Before (4)

Application Number Title Priority Date Filing Date
GBGB0707420.6A Ceased GB0707420D0 (en) 2007-04-18 2007-04-18 Copy-protected documents
GB0806998A Withdrawn GB2448606A (en) 2007-04-18 2008-04-17 Doped rare-earth oxides
GB0806996.5A Expired - Fee Related GB2448605B (en) 2007-04-18 2008-04-17 Copy-protected documents
GB0806995.7A Expired - Fee Related GB2448604B (en) 2007-04-18 2008-04-17 Copy-protected documents

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB0806994.0A Expired - Fee Related GB2448603B (en) 2007-04-18 2008-04-17 Copy-protected documents

Country Status (1)

Country Link
GB (6) GB0707420D0 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0918939D0 (en) * 2009-10-29 2009-12-16 Bank Of England Security document
CN116218525B (en) * 2023-01-16 2024-06-21 海南大学 Thermosensitive up-conversion luminescent material and preparation method thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1539914A (en) * 2003-10-23 2004-10-27 北京有色金属研究总院 Red luminescent powder in use for LED, preparing method and electric light source produced
US20070170842A1 (en) * 2000-07-28 2007-07-26 Patent-Treuhand-Gesellschaft Fur Elektrische Gluhlampen Mbh Illumination device with at least one LED as the light source

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3758486A (en) * 1969-05-13 1973-09-11 Westinghouse Electric Corp Rare earth niobate composition
US4678322A (en) * 1986-05-30 1987-07-07 Xerox Corporation Method and apparatus for the prevention of unauthorized copying of documents
US4791449A (en) * 1986-05-30 1988-12-13 Xerox Corporation System for prevention of unauthorized copying
US5271764A (en) * 1992-02-12 1993-12-21 Xerox Corporation Ink compositions
JP4378789B2 (en) * 1999-05-21 2009-12-09 凸版印刷株式会社 Anti-counterfeit printed matter
US6483576B1 (en) * 1999-12-10 2002-11-19 Laser Lock Technologies, Inc. Counterfeit detection system
GB0314883D0 (en) * 2003-06-26 2003-07-30 Ncr Int Inc Security labelling
US20050143249A1 (en) * 2003-06-26 2005-06-30 Ross Gary A. Security labels which are difficult to counterfeit
EP1990312A3 (en) * 2005-10-03 2009-09-02 Sun Chemical Corporation Security pigments and the process of making thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070170842A1 (en) * 2000-07-28 2007-07-26 Patent-Treuhand-Gesellschaft Fur Elektrische Gluhlampen Mbh Illumination device with at least one LED as the light source
CN1539914A (en) * 2003-10-23 2004-10-27 北京有色金属研究总院 Red luminescent powder in use for LED, preparing method and electric light source produced

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Wang et al, "Luminescent metastable Y2WO6:Ln3+ (Ln = Eu, Er, Sm, and Dy) microspheres with controllable morphology via self assembly", J. Mater. Chem., 2010, 20, 10894-10900 *

Also Published As

Publication number Publication date
GB2448605A (en) 2008-10-22
GB2448603A (en) 2008-10-22
GB2448605B (en) 2012-05-02
GB0806994D0 (en) 2008-05-21
GB2448604A (en) 2008-10-22
GB0806998D0 (en) 2008-05-21
GB2448604B (en) 2012-05-02
GB2484233A (en) 2012-04-04
GB0806996D0 (en) 2008-05-21
GB0707420D0 (en) 2007-05-23
GB2448606A (en) 2008-10-22
GB201200640D0 (en) 2012-02-29
GB2448603B (en) 2012-05-02
GB0806995D0 (en) 2008-05-21

Similar Documents

Publication Publication Date Title
GB0817591D0 (en) Improvements in composite materials
ZA201008295B (en) Improvements in feedwells
GB2440663B (en) Fiber-on-end materials
GB0602192D0 (en) Tissue-adhesive materials
ZA200810799B (en) Material supplement
IL181653A0 (en) Conseption change in lightning
GB0806957D0 (en) Composite material
EP2190331A4 (en) Improvements in barbeques
GB0714021D0 (en) Improvements in anode materials
GB0715132D0 (en) Tissue-adhesive materials
GB0707283D0 (en) Improvements in coalesing filters
GB2484233B (en) Improvements in rare-earth-based materials
GB0713587D0 (en) Insulaitng materials
GB2450802B (en) Fiber-on-end materials
GB201002567D0 (en) Improvements in clothing
GB0721760D0 (en) Composite material
GB0714119D0 (en) Improvements in transistors
GB0823515D0 (en) Improvements in bivvies
GB0803204D0 (en) Improvements in scraper
IL244192A (en) Composite material
GB0714415D0 (en) Improvements in bags
AU2007903454A0 (en) Improvements in Ironmongery
GB0813734D0 (en) Com-fee 2 in 1
AU2007903314A0 (en) Fabric for use in hoarding
GB0614685D0 (en) Improvements in Anode Materials

Legal Events

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

Effective date: 20200417