FR491275A - Process for the production of blue sulfur dyes - Google Patents

Process for the production of blue sulfur dyes

Info

Publication number
FR491275A
FR491275A FR491275DA FR491275A FR 491275 A FR491275 A FR 491275A FR 491275D A FR491275D A FR 491275DA FR 491275 A FR491275 A FR 491275A
Authority
FR
France
Prior art keywords
production
sulfur dyes
blue sulfur
blue
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR491275A publication Critical patent/FR491275A/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
    • C09B49/00—Sulfur dyes
    • C09B49/10—Sulfur dyes from diphenylamines, indamines, or indophenols, e.g. p-aminophenols or leucoindophenols

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR491275D 1917-10-22 1918-08-14 Process for the production of blue sulfur dyes Expired FR491275A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH491275X 1917-10-22

Publications (1)

Publication Number Publication Date
FR491275A true FR491275A (en) 1919-05-28

Family

ID=1527296

Family Applications (1)

Application Number Title Priority Date Filing Date
FR491275D Expired FR491275A (en) 1917-10-22 1918-08-14 Process for the production of blue sulfur dyes

Country Status (1)

Country Link
FR (1) FR491275A (en)

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