GB1271304A - Improvements in and relating to copying papers - Google Patents

Improvements in and relating to copying papers

Info

Publication number
GB1271304A
GB1271304A GB47568/69A GB4756869A GB1271304A GB 1271304 A GB1271304 A GB 1271304A GB 47568/69 A GB47568/69 A GB 47568/69A GB 4756869 A GB4756869 A GB 4756869A GB 1271304 A GB1271304 A GB 1271304A
Authority
GB
United Kingdom
Prior art keywords
colour
aluminate
inorganic mineral
slurry
sept
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
GB47568/69A
Other languages
English (en)
Inventor
Frank Llewellyn Jenkins
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.)
Arjo Wiggins Ltd
Original Assignee
Wiggins Teape Research and Development 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
Priority to BE756602D priority Critical patent/BE756602A/xx
Application filed by Wiggins Teape Research and Development Ltd filed Critical Wiggins Teape Research and Development Ltd
Priority to GB47568/69A priority patent/GB1271304A/en
Priority to ZA706479A priority patent/ZA706479B/xx
Publication of GB1271304A publication Critical patent/GB1271304A/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)
  • Paper (AREA)
GB47568/69A 1969-09-26 1969-09-26 Improvements in and relating to copying papers Expired GB1271304A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
BE756602D BE756602A (zh) 1969-09-26
GB47568/69A GB1271304A (en) 1969-09-26 1969-09-26 Improvements in and relating to copying papers
ZA706479A ZA706479B (en) 1969-09-26 1970-09-22 Improvements in and relating to copying papers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB47568/69A GB1271304A (en) 1969-09-26 1969-09-26 Improvements in and relating to copying papers

Publications (1)

Publication Number Publication Date
GB1271304A true GB1271304A (en) 1972-04-19

Family

ID=10445448

Family Applications (1)

Application Number Title Priority Date Filing Date
GB47568/69A Expired GB1271304A (en) 1969-09-26 1969-09-26 Improvements in and relating to copying papers

Country Status (3)

Country Link
BE (1) BE756602A (zh)
GB (1) GB1271304A (zh)
ZA (1) ZA706479B (zh)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0023613A2 (de) * 1979-07-26 1981-02-11 Bayer Ag Reaktionsdurchschreibepapier
EP0042266A1 (en) * 1980-06-13 1981-12-23 The Wiggins Teape Group Limited Record material carrying a colour developer composition
EP0042265A1 (en) * 1980-06-12 1981-12-23 The Wiggins Teape Group Limited Record material carrying a colour developer composition
JPS5715996A (en) * 1980-07-03 1982-01-27 Mizusawa Ind Chem Ltd Novel clay mineral based color former for heat-sensitive copying paper and production thereof
US4462616A (en) * 1981-12-04 1984-07-31 The Wiggins Teape Group Limited Record material
US4509065A (en) * 1981-12-04 1985-04-02 The Wiggins Teape Group Limited Record material
US5209947A (en) * 1989-12-16 1993-05-11 The Wiggins Teape Group Limited Process for the production of record material
US5304242A (en) * 1991-05-16 1994-04-19 The Wiggins Teape Group Limited Color developer composition
EP0678399A1 (de) * 1994-04-20 1995-10-25 Süd-Chemie Ag Farbentwickler für Selbstdurchschreibepapiere

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0023613B1 (de) * 1979-07-26 1984-04-18 Bayer Ag Reaktionsdurchschreibepapier
EP0023613A2 (de) * 1979-07-26 1981-02-11 Bayer Ag Reaktionsdurchschreibepapier
US4387117A (en) * 1980-06-12 1983-06-07 The Wiggins Teape Group Limited Record material carrying a color developer composition
US4458922A (en) * 1980-06-12 1984-07-10 The Wiggins Teape Group Limited Record material carrying a color developer composition
EP0042265A1 (en) * 1980-06-12 1981-12-23 The Wiggins Teape Group Limited Record material carrying a colour developer composition
WO1981003642A1 (en) * 1980-06-12 1981-12-24 Wiggins Teape Group Ltd Record material carrying a colour developer composition
US4435004A (en) 1980-06-13 1984-03-06 The Wiggins Teape Group Limited Record material carrying a color developer composition
US4391850A (en) * 1980-06-13 1983-07-05 The Wiggins Teape Group Limited Record material carrying a color developer composition
WO1981003643A1 (en) * 1980-06-13 1981-12-24 Wiggins Teape Group Ltd Record material carrying a colour developer composition
EP0042266A1 (en) * 1980-06-13 1981-12-23 The Wiggins Teape Group Limited Record material carrying a colour developer composition
JPS5715996A (en) * 1980-07-03 1982-01-27 Mizusawa Ind Chem Ltd Novel clay mineral based color former for heat-sensitive copying paper and production thereof
JPS6315158B2 (zh) * 1980-07-03 1988-04-04 Mizusawa Industrial Chem
US4462616A (en) * 1981-12-04 1984-07-31 The Wiggins Teape Group Limited Record material
US4509065A (en) * 1981-12-04 1985-04-02 The Wiggins Teape Group Limited Record material
US5209947A (en) * 1989-12-16 1993-05-11 The Wiggins Teape Group Limited Process for the production of record material
US5304242A (en) * 1991-05-16 1994-04-19 The Wiggins Teape Group Limited Color developer composition
EP0678399A1 (de) * 1994-04-20 1995-10-25 Süd-Chemie Ag Farbentwickler für Selbstdurchschreibepapiere

Also Published As

Publication number Publication date
ZA706479B (en) 1972-04-26
BE756602A (zh) 1971-03-24

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