FR430321A - Improvements in the manufacture of black coloring materials - Google Patents

Improvements in the manufacture of black coloring materials

Info

Publication number
FR430321A
FR430321A FR430321DA FR430321A FR 430321 A FR430321 A FR 430321A FR 430321D A FR430321D A FR 430321DA FR 430321 A FR430321 A FR 430321A
Authority
FR
France
Prior art keywords
manufacture
coloring materials
black coloring
black
materials
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.)
Read Holliday & Sons Ltd
Original Assignee
Read Holliday & Sons 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 Read Holliday & Sons Ltd filed Critical Read Holliday & Sons Ltd
Application granted granted Critical
Publication of FR430321A publication Critical patent/FR430321A/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
    • C09B35/00—Disazo and polyazo dyes of the type A<-D->B prepared by diazotising and coupling
    • C09B35/38—Trisazo dyes ot the type
    • C09B35/44—Trisazo dyes ot the type the component K being a hydroxy amine
    • C09B35/46—Trisazo dyes ot the type the component K being a hydroxy amine the component K being an amino naphthol

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR430321D 1911-05-30 1911-05-30 Improvements in the manufacture of black coloring materials Expired FR430321A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR430321T 1911-05-30

Publications (1)

Publication Number Publication Date
FR430321A true FR430321A (en) 1911-10-13

Family

ID=1472576

Family Applications (1)

Application Number Title Priority Date Filing Date
FR430321D Expired FR430321A (en) 1911-05-30 1911-05-30 Improvements in the manufacture of black coloring materials

Country Status (1)

Country Link
FR (1) FR430321A (en)

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