CA945371A - Mixtures of two chromogenic compounds - Google Patents

Mixtures of two chromogenic compounds

Info

Publication number
CA945371A
CA945371A CA126,277A CA126277A CA945371A CA 945371 A CA945371 A CA 945371A CA 126277 A CA126277 A CA 126277A CA 945371 A CA945371 A CA 945371A
Authority
CA
Canada
Prior art keywords
mixtures
chromogenic compounds
chromogenic
compounds
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
CA126,277A
Other languages
English (en)
Other versions
CA126277S (en
Inventor
Helmut Schwab
Chao-Han Lin
Troy E. Hoover
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.)
National Cash Register Co
Original Assignee
National Cash Register Co
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 National Cash Register Co filed Critical National Cash Register Co
Application granted granted Critical
Publication of CA945371A publication Critical patent/CA945371A/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
    • B41M5/145—Organic colour formers, e.g. leuco dyes with a lactone or lactam ring
    • B41M5/1455—Organic colour formers, e.g. leuco dyes with a lactone or lactam ring characterised by fluoran compounds
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B11/00—Diaryl- or thriarylmethane dyes
    • C09B11/04—Diaryl- or thriarylmethane dyes derived from triarylmethanes, i.e. central C-atom is substituted by amino, cyano, alkyl
    • C09B11/10—Amino derivatives of triarylmethanes
    • C09B11/24—Phthaleins containing amino groups ; Phthalanes; Fluoranes; Phthalides; Rhodamine dyes; Phthaleins having heterocyclic aryl rings; Lactone or lactame forms of triarylmethane dyes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Color Printing (AREA)
  • Materials For Medical Uses (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
  • Heat Sensitive Colour Forming Recording (AREA)
CA126,277A 1970-11-16 1971-10-27 Mixtures of two chromogenic compounds Expired CA945371A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US8975170A 1970-11-16 1970-11-16

Publications (1)

Publication Number Publication Date
CA945371A true CA945371A (en) 1974-04-16

Family

ID=22219415

Family Applications (1)

Application Number Title Priority Date Filing Date
CA126,277A Expired CA945371A (en) 1970-11-16 1971-10-27 Mixtures of two chromogenic compounds

Country Status (16)

Country Link
JP (1) JPS5711793B1 (no)
AT (1) AT311388B (no)
AU (1) AU458444B2 (no)
BE (1) BE775360A (no)
CA (1) CA945371A (no)
CH (1) CH590912A5 (no)
DE (1) DE2156214C3 (no)
DK (1) DK133421B (no)
FR (1) FR2117101A5 (no)
GB (1) GB1338617A (no)
IT (1) IT941751B (no)
NL (1) NL166273C (no)
NO (1) NO137532C (no)
SE (1) SE381619B (no)
SU (1) SU508232A3 (no)
ZA (1) ZA717269B (no)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5033891B2 (no) * 1971-10-29 1975-11-04
FR2186516A1 (en) * 1972-05-30 1974-01-11 Pilot Ink Co Ltd Thermochromatic temp. indicating compsns. - contg. org. electron donors and phenolic cpds.
DE3044120A1 (de) 1980-11-24 1982-07-15 Basf Ag, 6700 Ludwigshafen Druck- und thermoempfindliches aufzeichnungsmaterial
US4422388A (en) * 1981-12-01 1983-12-27 Raskin Jean F Wood and other solid register burner
US4639271A (en) * 1985-04-24 1987-01-27 Moore Business Forms, Inc. Chromogenic mixtures

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS495927A (no) * 1972-02-21 1974-01-19
NL167185C (nl) * 1972-04-05 1981-11-16 Shell Int Research Werkwijze ter bereiding van een gemodificeerd dieen- polymeer.
JPS4912293A (no) * 1972-05-18 1974-02-02
JPS4913450A (no) * 1972-05-22 1974-02-05

Also Published As

Publication number Publication date
NO137532C (no) 1978-03-15
NO137532B (no) 1977-12-05
SU508232A3 (ru) 1976-03-25
GB1338617A (en) 1973-11-28
DK133421C (no) 1976-11-22
AT311388B (de) 1973-11-12
AU458444B2 (en) 1975-02-27
NL7115782A (no) 1972-05-18
BE775360A (fr) 1972-03-16
CH590912A5 (no) 1977-08-31
DE2156214A1 (de) 1972-05-31
JPS5711793B1 (no) 1982-03-06
DE2156214C3 (de) 1975-05-07
DE2156214B2 (de) 1974-02-28
NL166273C (nl) 1981-07-15
ZA717269B (en) 1972-07-26
AU3543771A (en) 1973-05-17
SE381619B (sv) 1975-12-15
FR2117101A5 (no) 1972-07-21
IT941751B (it) 1973-03-10
NL166273B (nl) 1981-02-16
DK133421B (da) 1976-05-17

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