BE755713A - IMPROVED STABILIZED LEUCODERIVES AND PERFECTED PROCESS TO PRODUCE THEM - Google Patents

IMPROVED STABILIZED LEUCODERIVES AND PERFECTED PROCESS TO PRODUCE THEM

Info

Publication number
BE755713A
BE755713A BE755713DA BE755713A BE 755713 A BE755713 A BE 755713A BE 755713D A BE755713D A BE 755713DA BE 755713 A BE755713 A BE 755713A
Authority
BE
Belgium
Prior art keywords
leucoderives
produce
perfected process
improved stabilized
stabilized
Prior art date
Application number
Other languages
French (fr)
Original Assignee
Wiggins Teape Res Dev
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.)
Publication date
Publication of BE755713A publication Critical patent/BE755713A/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
    • C09B19/00—Oxazine 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
    • 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
    • C09B17/00—Azine dyes
    • C09B17/02—Azine dyes of the benzene series
    • 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
    • C09B21/00—Thiazine dyes
BE755713D 1969-09-04 IMPROVED STABILIZED LEUCODERIVES AND PERFECTED PROCESS TO PRODUCE THEM BE755713A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB43912/69A GB1271289A (en) 1969-09-04 1969-09-04 Improvements in and relating to stabilized leucodyestuffs and their production

Publications (1)

Publication Number Publication Date
BE755713A true BE755713A (en) 1971-03-03

Family

ID=10430896

Family Applications (1)

Application Number Title Priority Date Filing Date
BE755713D BE755713A (en) 1969-09-04 IMPROVED STABILIZED LEUCODERIVES AND PERFECTED PROCESS TO PRODUCE THEM

Country Status (4)

Country Link
BE (1) BE755713A (en)
BR (1) BR7021936D0 (en)
GB (1) GB1271289A (en)
ZA (1) ZA705931B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4563415A (en) * 1983-04-05 1986-01-07 Minnesota Mining And Manufacturing Company Thermographic system using naphthoylated leuco phenazine dyes
CA1243317A (en) * 1983-04-05 1988-10-18 Harvey A. Brown Thermographic system using naphthoylated leuco phenazine dyes
US4647525A (en) * 1984-10-01 1987-03-03 Minnesota Mining And Manufacturing Company Stabilized leuco phenazine dyes and their use in an imaging system
US4889932A (en) * 1984-10-01 1989-12-26 Minnesota Mining And Manufacturing Company Stabilized leuco phenazine dyes and their use in an imaging system

Also Published As

Publication number Publication date
BR7021936D0 (en) 1973-05-17
ZA705931B (en) 1972-04-26
GB1271289A (en) 1972-04-19

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Legal Events

Date Code Title Description
RE20 Patent expired

Owner name: WIGGINS TEAPE RESEARCH & DEVELOPMENT LTD

Effective date: 19900903