GB1292832A - Developing composition - Google Patents

Developing composition

Info

Publication number
GB1292832A
GB1292832A GB4783769A GB4783769A GB1292832A GB 1292832 A GB1292832 A GB 1292832A GB 4783769 A GB4783769 A GB 4783769A GB 4783769 A GB4783769 A GB 4783769A GB 1292832 A GB1292832 A GB 1292832A
Authority
GB
United Kingdom
Prior art keywords
ferric ion
composition
paper
sodium salt
chelating agent
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
GB4783769A
Other languages
English (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.)
Hawkeye Acquisition Inc
Original Assignee
Meredith 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 Meredith Corp filed Critical Meredith Corp
Publication of GB1292832A publication Critical patent/GB1292832A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C09D11/50—Sympathetic, colour changing or similar inks
    • 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
    • B41M3/001—Printing processes to produce particular kinds of printed work, e.g. patterns using chemical colour-formers or chemical reactions, e.g. leuco dyes or acids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Color Printing (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
GB4783769A 1969-04-14 1969-09-29 Developing composition Expired GB1292832A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US81605369A 1969-04-14 1969-04-14

Publications (1)

Publication Number Publication Date
GB1292832A true GB1292832A (en) 1972-10-11

Family

ID=25219575

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4783769A Expired GB1292832A (en) 1969-04-14 1969-09-29 Developing composition

Country Status (3)

Country Link
DE (1) DE1946374A1 (de)
FR (1) FR2039145A1 (de)
GB (1) GB1292832A (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3850649A (en) * 1971-08-05 1974-11-26 Minnesota Mining & Mfg Latent image printing
US4602264A (en) * 1982-08-25 1986-07-22 Kanzaki Paper Manufacturing Co., Ltd. Recording materials
DE10234443B3 (de) * 2002-07-29 2004-02-26 Signalbau Huber Gmbh Baugruppenträger mit gefedertem Element

Also Published As

Publication number Publication date
DE1946374A1 (de) 1970-11-26
FR2039145A1 (de) 1971-01-15

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees