ZA717269B - Chromogenic marking material - Google Patents

Chromogenic marking material

Info

Publication number
ZA717269B
ZA717269B ZA717269A ZA717269A ZA717269B ZA 717269 B ZA717269 B ZA 717269B ZA 717269 A ZA717269 A ZA 717269A ZA 717269 A ZA717269 A ZA 717269A ZA 717269 B ZA717269 B ZA 717269B
Authority
ZA
South Africa
Prior art keywords
chromogenic
marking material
marking
chromogenic marking
Prior art date
Application number
ZA717269A
Other languages
English (en)
Inventor
H Schwab
C Lin
T Hoover
Original Assignee
Ncr
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 Ncr filed Critical Ncr
Publication of ZA717269B publication Critical patent/ZA717269B/xx

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
ZA717269A 1970-11-16 1971-10-29 Chromogenic marking material ZA717269B (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
ZA717269B true ZA717269B (en) 1972-07-26

Family

ID=22219415

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA717269A ZA717269B (en) 1970-11-16 1971-10-29 Chromogenic marking material

Country Status (16)

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

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5033891B2 (xx) * 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 (xx) * 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 (xx) * 1972-05-18 1974-02-02
JPS4913450A (xx) * 1972-05-22 1974-02-05

Also Published As

Publication number Publication date
JPS5711793B1 (xx) 1982-03-06
DE2156214A1 (de) 1972-05-31
DK133421C (xx) 1976-11-22
AU3543771A (en) 1973-05-17
CH590912A5 (xx) 1977-08-31
GB1338617A (en) 1973-11-28
AU458444B2 (en) 1975-02-27
IT941751B (it) 1973-03-10
AT311388B (de) 1973-11-12
SE381619B (sv) 1975-12-15
DE2156214B2 (de) 1974-02-28
DE2156214C3 (de) 1975-05-07
DK133421B (da) 1976-05-17
BE775360A (fr) 1972-03-16
SU508232A3 (ru) 1976-03-25
NL166273C (nl) 1981-07-15
NO137532B (no) 1977-12-05
NL7115782A (xx) 1972-05-18
CA945371A (en) 1974-04-16
NL166273B (nl) 1981-02-16
FR2117101A5 (xx) 1972-07-21
NO137532C (no) 1978-03-15

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