FR1070375A - Improvements in the preparation of tetrasulfuric leucoesters of indanthrone - Google Patents

Improvements in the preparation of tetrasulfuric leucoesters of indanthrone

Info

Publication number
FR1070375A
FR1070375A FR1070375DA FR1070375A FR 1070375 A FR1070375 A FR 1070375A FR 1070375D A FR1070375D A FR 1070375DA FR 1070375 A FR1070375 A FR 1070375A
Authority
FR
France
Prior art keywords
leucoesters
tetrasulfuric
indanthrone
preparation
tetrasulfuric leucoesters
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.)
Wyeth Holdings LLC
Original Assignee
American Cyanamid 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 American Cyanamid Co filed Critical American Cyanamid Co
Application granted granted Critical
Publication of FR1070375A publication Critical patent/FR1070375A/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
    • C09B9/00—Esters or ester-salts of leuco compounds of vat dyestuffs
    • C09B9/02—Esters or ester-salts of leuco compounds of vat dyestuffs of anthracene dyes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR1070375D 1952-02-15 1953-02-06 Improvements in the preparation of tetrasulfuric leucoesters of indanthrone Expired FR1070375A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1070375XA 1952-02-15 1952-02-15

Publications (1)

Publication Number Publication Date
FR1070375A true FR1070375A (en) 1954-07-23

Family

ID=22314521

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1070375D Expired FR1070375A (en) 1952-02-15 1953-02-06 Improvements in the preparation of tetrasulfuric leucoesters of indanthrone

Country Status (1)

Country Link
FR (1) FR1070375A (en)

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