GB810401A - Improvements in writing and manifolding material - Google Patents

Improvements in writing and manifolding material

Info

Publication number
GB810401A
GB810401A GB2565/57A GB256557A GB810401A GB 810401 A GB810401 A GB 810401A GB 2565/57 A GB2565/57 A GB 2565/57A GB 256557 A GB256557 A GB 256557A GB 810401 A GB810401 A GB 810401A
Authority
GB
United Kingdom
Prior art keywords
parts
sheet
colour
spiro
solution
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
GB2565/57A
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.)
GUNTHER WAGNER VERWALTUNGSGESE
Original Assignee
GUNTHER WAGNER VERWALTUNGSGESE
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 GUNTHER WAGNER VERWALTUNGSGESE filed Critical GUNTHER WAGNER VERWALTUNGSGESE
Publication of GB810401A publication Critical patent/GB810401A/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
    • B41M5/136—Organic colour formers, e.g. leuco dyes
    • B41M5/15—Spiro-pyrans
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Color Printing (AREA)
GB2565/57A 1956-02-06 1957-01-24 Improvements in writing and manifolding material Expired GB810401A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEW18372A DE1127920B (de) 1956-02-06 1956-02-06 Druckempfindliches Aufzeichnungsmaterial
AT50757 1957-01-24

Publications (1)

Publication Number Publication Date
GB810401A true GB810401A (en) 1959-03-18

Family

ID=25592980

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2565/57A Expired GB810401A (en) 1956-02-06 1957-01-24 Improvements in writing and manifolding material

Country Status (5)

Country Link
US (1) US3293060A (fi)
BE (1) BE721713A (fi)
DE (1) DE1127920B (fi)
GB (1) GB810401A (fi)
NL (2) NL214309A (fi)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3421894A (en) * 1966-01-13 1969-01-14 Ncr Co Recording process utilizing 6'-nitro-1,3,3 - trimethyl-benzoindolinospiropyran dispersed in heat-meltable wax
DE2303825A1 (de) * 1972-01-28 1973-08-02 Mizusawa Industrial Chem Einen farbbildner fuer druckempfindliches registrierpapier enthaltende waessrige zusammensetzung und verfahren zu ihrer herstellung

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL268635A (fi) * 1960-08-26 1900-01-01
US3488207A (en) * 1965-10-22 1970-01-06 Us Plywood Champ Papers Inc Process of preparing a colored substance and transfer copy set
US3622364A (en) * 1968-11-12 1971-11-23 Mizusawa Industrial Chem Color former for pressure sensitive recording paper and process for producing same
GB1245079A (en) * 1968-12-10 1971-09-02 Fuji Photo Film Co Ltd Spiro-indoline derivatives and their use in pressure-sensitive copying paper
US3900216A (en) * 1969-10-22 1975-08-19 Fuji Photo Film Co Ltd Method for producing clay coated paper for pressure sensitive copying paper
DE2230225C2 (de) * 1972-06-21 1985-01-17 Basf Ag, 6700 Ludwigshafen Neue Chinoxalin-spiropyrane und deren Verwendung als Farbbildner für Kopierverfahren
FR2198416A5 (fi) * 1972-08-30 1974-03-29 Fuji Photo Film Co Ltd
US3963852A (en) * 1973-08-04 1976-06-15 Moore Business Forms, Inc. Clay-coated record material of improved image durability
US3981523A (en) * 1975-03-24 1976-09-21 Moore Business Forms, Inc. Carbonless manifold business forms
ZA772380B (en) * 1976-05-31 1977-12-28 Moore Business Forms Inc Oxime ethers of michlers hydrol method of producing same and pressuresensitive recording systems containing such compounds

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1132537A (en) * 1913-08-23 1915-03-16 Crescent Clay Refining Company Process of treating clay and like materials.
US1251058A (en) * 1916-11-22 1917-12-25 Frank Langford Process for purifying aluminous ores, earths, clays, and sand.
US1840363A (en) * 1928-12-13 1932-01-12 Illner Rudolf Process for altering the physical properties of finely divided mineral substances
US2489332A (en) * 1946-04-30 1949-11-29 Houdry Process Corp Preparation of an iron-freed acid treated kaolin catalyst
US2550467A (en) * 1948-07-13 1951-04-24 Ncr Co Manifold record material and process for making it
US2755200A (en) * 1953-12-28 1956-07-17 Du Pont Stabilized coloring compositions and methods of making and using same
US2755201A (en) * 1954-01-08 1956-07-17 Du Pont Stabilized ink compositions, transfer sheets coated therewith and methods of making same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3421894A (en) * 1966-01-13 1969-01-14 Ncr Co Recording process utilizing 6'-nitro-1,3,3 - trimethyl-benzoindolinospiropyran dispersed in heat-meltable wax
DE2303825A1 (de) * 1972-01-28 1973-08-02 Mizusawa Industrial Chem Einen farbbildner fuer druckempfindliches registrierpapier enthaltende waessrige zusammensetzung und verfahren zu ihrer herstellung

Also Published As

Publication number Publication date
BE721713A (fi) 1969-03-14
NL214309A (fi)
US3293060A (en) 1966-12-20
NL102415C (fi)
DE1127920B (de) 1962-04-19

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