FR1200664A - Process for the preparation of leuco dyes from vat dyes - Google Patents

Process for the preparation of leuco dyes from vat dyes

Info

Publication number
FR1200664A
FR1200664A FR1200664DA FR1200664A FR 1200664 A FR1200664 A FR 1200664A FR 1200664D A FR1200664D A FR 1200664DA FR 1200664 A FR1200664 A FR 1200664A
Authority
FR
France
Prior art keywords
dyes
preparation
vat
leuco
leuco dyes
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
Other languages
French (fr)
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.)
Novartis AG
Original Assignee
Ciba Geigy AG
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 Ciba Geigy AG filed Critical Ciba Geigy AG
Application granted granted Critical
Publication of FR1200664A publication Critical patent/FR1200664A/en
Expired legal-status Critical Current

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
    • C09B67/00—Influencing the physical, e.g. the dyeing or printing properties of dyestuffs without chemical reactions, e.g. by treating with solvents grinding or grinding assistants, coating of pigments or dyes; Process features in the making of dyestuff preparations; Dyestuff preparations of a special physical nature, e.g. tablets, films
    • C09B67/0071—Process features in the making of dyestuff preparations; Dehydrating agents; Dispersing agents; Dustfree compositions
    • C09B67/0077—Preparations with possibly reduced vat, sulfur or indigo dyes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
FR1200664D 1957-07-31 1958-07-28 Process for the preparation of leuco dyes from vat dyes Expired FR1200664A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1200664X 1957-07-31

Publications (1)

Publication Number Publication Date
FR1200664A true FR1200664A (en) 1959-12-23

Family

ID=4562666

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1200664D Expired FR1200664A (en) 1957-07-31 1958-07-28 Process for the preparation of leuco dyes from vat dyes

Country Status (1)

Country Link
FR (1) FR1200664A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2675511A1 (en) * 1991-04-17 1992-10-23 Sandoz Sa NEW PIGMENTS, THEIR PREPARATION AND USE.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2675511A1 (en) * 1991-04-17 1992-10-23 Sandoz Sa NEW PIGMENTS, THEIR PREPARATION AND USE.

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