FR1237E - Processes for the preparation of indigos derived from benzene and naphthalene and intermediate products - Google Patents

Processes for the preparation of indigos derived from benzene and naphthalene and intermediate products

Info

Publication number
FR1237E
FR1237E FR1237DA FR1237E FR 1237 E FR1237 E FR 1237E FR 1237D A FR1237D A FR 1237DA FR 1237 E FR1237 E FR 1237E
Authority
FR
France
Prior art keywords
indigos
naphthalene
benzene
derived
processes
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)
Inventor
Dreyfus Camille
Dreyfus Henry
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 FR1237E publication Critical patent/FR1237E/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
    • C09B7/00—Indigoid dyes
    • C09B7/02—Bis-indole indigos

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR1237D 1902-11-08 1902-12-19 Processes for the preparation of indigos derived from benzene and naphthalene and intermediate products Expired FR1237E (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR326168T 1902-11-08
FR1237T 1902-12-19

Publications (1)

Publication Number Publication Date
FR1237E true FR1237E (en) 1903-06-26

Family

ID=1343224

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1237D Expired FR1237E (en) 1902-11-08 1902-12-19 Processes for the preparation of indigos derived from benzene and naphthalene and intermediate products

Country Status (1)

Country Link
FR (1) FR1237E (en)

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