GB2051847B - Manufacture of colour developing sheets - Google Patents

Manufacture of colour developing sheets

Info

Publication number
GB2051847B
GB2051847B GB8014702A GB8014702A GB2051847B GB 2051847 B GB2051847 B GB 2051847B GB 8014702 A GB8014702 A GB 8014702A GB 8014702 A GB8014702 A GB 8014702A GB 2051847 B GB2051847 B GB 2051847B
Authority
GB
United Kingdom
Prior art keywords
manufacture
colour developing
developing sheets
sheets
colour
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
GB8014702A
Other versions
GB2051847A (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.)
Wiggins Teape Group Ltd
Original Assignee
Wiggins Teape Group 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 Wiggins Teape Group Ltd filed Critical Wiggins Teape Group Ltd
Priority to GB8014702A priority Critical patent/GB2051847B/en
Publication of GB2051847A publication Critical patent/GB2051847A/en
Application granted granted Critical
Publication of GB2051847B publication Critical patent/GB2051847B/en
Expired 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
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/124—Duplicating or marking methods; Sheet materials for use therein using pressure to make a masked colour visible, e.g. to make a coloured support visible, to create an opaque or transparent pattern, or to form colour by uniting colour-forming components
    • B41M5/132—Chemical colour-forming components; Additives or binders therefor
    • B41M5/155—Colour-developing components, e.g. acidic compounds; Additives or binders therefor; Layers containing such colour-developing components, additives or binders
    • B41M5/1555—Inorganic mineral developers, e.g. clays

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Color Printing (AREA)
GB8014702A 1979-05-22 1980-05-02 Manufacture of colour developing sheets Expired GB2051847B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8014702A GB2051847B (en) 1979-05-22 1980-05-02 Manufacture of colour developing sheets

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB7917814 1979-05-22
GB8014702A GB2051847B (en) 1979-05-22 1980-05-02 Manufacture of colour developing sheets

Publications (2)

Publication Number Publication Date
GB2051847A GB2051847A (en) 1981-01-21
GB2051847B true GB2051847B (en) 1983-03-02

Family

ID=26271612

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8014702A Expired GB2051847B (en) 1979-05-22 1980-05-02 Manufacture of colour developing sheets

Country Status (1)

Country Link
GB (1) GB2051847B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4327158A1 (en) * 1993-08-12 1995-02-16 Sued Chemie Ag Process for the preparation of neutral to alkaline color developer pigments
DE4413672A1 (en) * 1994-04-20 1995-10-26 Sued Chemie Ag Color developer for carbonless paper

Also Published As

Publication number Publication date
GB2051847A (en) 1981-01-21

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Legal Events

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

Effective date: 19950502