FR714768A - Improvements in the reduction of vat dyes to their leuco-derivatives - Google Patents

Improvements in the reduction of vat dyes to their leuco-derivatives

Info

Publication number
FR714768A
FR714768A FR714768DA FR714768A FR 714768 A FR714768 A FR 714768A FR 714768D A FR714768D A FR 714768DA FR 714768 A FR714768 A FR 714768A
Authority
FR
France
Prior art keywords
leuco
derivatives
reduction
vat dyes
vat
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and 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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Application granted granted Critical
Publication of FR714768A publication Critical patent/FR714768A/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)
FR714768D 1931-04-03 1931-04-03 Improvements in the reduction of vat dyes to their leuco-derivatives Expired FR714768A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR714768T 1931-04-03

Publications (1)

Publication Number Publication Date
FR714768A true FR714768A (en) 1931-11-19

Family

ID=9088423

Family Applications (1)

Application Number Title Priority Date Filing Date
FR714768D Expired FR714768A (en) 1931-04-03 1931-04-03 Improvements in the reduction of vat dyes to their leuco-derivatives

Country Status (1)

Country Link
FR (1) FR714768A (en)

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