FR656648A - New black and gray vat dyes - Google Patents

New black and gray vat dyes

Info

Publication number
FR656648A
FR656648A FR656648DA FR656648A FR 656648 A FR656648 A FR 656648A FR 656648D A FR656648D A FR 656648DA FR 656648 A FR656648 A FR 656648A
Authority
FR
France
Prior art keywords
vat dyes
new black
gray
gray vat
black
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.)
Imperial Chemical Industries Ltd
Original Assignee
British Dyestuffs Corp Ltd
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 British Dyestuffs Corp Ltd filed Critical British Dyestuffs Corp Ltd
Application granted granted Critical
Publication of FR656648A publication Critical patent/FR656648A/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
    • C09B3/00—Dyes with an anthracene nucleus condensed with one or more carbocyclic rings
    • C09B3/22—Dibenzanthrones; Isodibenzanthrones
    • C09B3/30—Preparation from starting materials already containing the dibenzanthrone or isodibenzanthrone nucleus

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR656648D 1927-07-15 1928-06-29 New black and gray vat dyes Expired FR656648A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB656648X 1927-07-15

Publications (1)

Publication Number Publication Date
FR656648A true FR656648A (en) 1929-05-10

Family

ID=10490572

Family Applications (1)

Application Number Title Priority Date Filing Date
FR656648D Expired FR656648A (en) 1927-07-15 1928-06-29 New black and gray vat dyes

Country Status (1)

Country Link
FR (1) FR656648A (en)

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