GB1386216A - Chromogenic fluoran compounds - Google Patents

Chromogenic fluoran compounds

Info

Publication number
GB1386216A
GB1386216A GB1686873A GB1686873A GB1386216A GB 1386216 A GB1386216 A GB 1386216A GB 1686873 A GB1686873 A GB 1686873A GB 1686873 A GB1686873 A GB 1686873A GB 1386216 A GB1386216 A GB 1386216A
Authority
GB
United Kingdom
Prior art keywords
trimethyl
diethylaminofluoran
compounds
chromogenic
dimethylaminofluoran
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
GB1686873A
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.)
NCR Voyix Corp
Original Assignee
NCR Corp
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 Corp filed Critical NCR Corp
Publication of GB1386216A publication Critical patent/GB1386216A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09BORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B11/00Diaryl- or thriarylmethane dyes
    • C09B11/04Diaryl- or thriarylmethane dyes derived from triarylmethanes, i.e. central C-atom is substituted by amino, cyano, alkyl
    • C09B11/10Amino derivatives of triarylmethanes
    • C09B11/24Phthaleins containing amino groups ; Phthalanes; Fluoranes; Phthalides; Rhodamine dyes; Phthaleins having heterocyclic aryl rings; Lactone or lactame forms of triarylmethane dyes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41MPRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00Duplicating or marking methods; Sheet materials for use therein
    • B41M5/124Duplicating 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
    • B41M5/132Chemical colour-forming components; Additives or binders therefor
    • B41M5/136Organic colour formers, e.g. leuco dyes
    • B41M5/145Organic colour formers, e.g. leuco dyes with a lactone or lactam ring
    • B41M5/1455Organic colour formers, e.g. leuco dyes with a lactone or lactam ring characterised by fluoran compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Color Printing (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
GB1686873A 1972-04-13 1973-04-09 Chromogenic fluoran compounds Expired GB1386216A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US24387172A 1972-04-13 1972-04-13
US34079973A 1973-03-13 1973-03-13

Publications (1)

Publication Number Publication Date
GB1386216A true GB1386216A (en) 1975-03-05

Family

ID=26936161

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1686873A Expired GB1386216A (en) 1972-04-13 1973-04-09 Chromogenic fluoran compounds

Country Status (7)

Country Link
JP (1) JPS5123203B2 (enrdf_load_stackoverflow)
BE (1) BE798135A (enrdf_load_stackoverflow)
CA (1) CA1010884A (enrdf_load_stackoverflow)
DE (1) DE2318403B2 (enrdf_load_stackoverflow)
FR (1) FR2180017B1 (enrdf_load_stackoverflow)
GB (1) GB1386216A (enrdf_load_stackoverflow)
IT (1) IT981920B (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54126405U (enrdf_load_stackoverflow) * 1978-02-23 1979-09-04
FR2693244B1 (fr) * 1992-07-01 1994-08-05 Valeo Embrayage a friction pour vehicule automobile et diaphragme elastique pour un tel embrayage.
GB2424061A (en) * 2005-03-07 2006-09-13 John Richard Coxon A ventilation device

Also Published As

Publication number Publication date
BE798135A (fr) 1973-07-31
DE2318403C3 (enrdf_load_stackoverflow) 1980-11-06
JPS4948411A (enrdf_load_stackoverflow) 1974-05-10
CA1010884A (en) 1977-05-24
FR2180017A1 (enrdf_load_stackoverflow) 1973-11-23
FR2180017B1 (enrdf_load_stackoverflow) 1977-07-29
IT981920B (it) 1974-10-10
DE2318403A1 (de) 1973-10-31
JPS5123203B2 (enrdf_load_stackoverflow) 1976-07-15
DE2318403B2 (de) 1980-03-13

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Legal Events

Date Code Title Description
PS Patent sealed
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Effective date: 19930408