IT981920B - CHROMOGENIC FLUORANE COMPOUNDS - Google Patents

CHROMOGENIC FLUORANE COMPOUNDS

Info

Publication number
IT981920B
IT981920B IT2282073A IT2282073A IT981920B IT 981920 B IT981920 B IT 981920B IT 2282073 A IT2282073 A IT 2282073A IT 2282073 A IT2282073 A IT 2282073A IT 981920 B IT981920 B IT 981920B
Authority
IT
Italy
Prior art keywords
chromogenic
fluorane compounds
fluorane
compounds
chromogenic fluorane
Prior art date
Application number
IT2282073A
Other languages
Italian (it)
Original Assignee
Ncr 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 Ncr Co filed Critical Ncr Co
Application granted granted Critical
Publication of IT981920B publication Critical patent/IT981920B/en

Links

Classifications

    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Color Printing (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
IT2282073A 1972-04-13 1973-04-10 CHROMOGENIC FLUORANE COMPOUNDS IT981920B (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
IT981920B true IT981920B (en) 1974-10-10

Family

ID=26936161

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2282073A IT981920B (en) 1972-04-13 1973-04-10 CHROMOGENIC FLUORANE COMPOUNDS

Country Status (7)

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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54126405U (en) * 1978-02-23 1979-09-04
FR2693244B1 (en) * 1992-07-01 1994-08-05 Valeo FRICTION CLUTCH FOR MOTOR VEHICLE AND ELASTIC DIAPHRAGM FOR SUCH A CLUTCH.
GB2424061A (en) * 2005-03-07 2006-09-13 John Richard Coxon A ventilation device

Also Published As

Publication number Publication date
DE2318403C3 (en) 1980-11-06
CA1010884A (en) 1977-05-24
DE2318403A1 (en) 1973-10-31
GB1386216A (en) 1975-03-05
JPS5123203B2 (en) 1976-07-15
JPS4948411A (en) 1974-05-10
DE2318403B2 (en) 1980-03-13
FR2180017B1 (en) 1977-07-29
BE798135A (en) 1973-07-31
FR2180017A1 (en) 1973-11-23

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