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FR488146A - Manufacture and production of coloring matter - Google Patents

Manufacture and production of coloring matter

Info

Publication number
FR488146A
FR488146A FR488146A FR488146DA FR488146A FR 488146 A FR488146 A FR 488146A FR 488146 A FR488146 A FR 488146A FR 488146D A FR488146D A FR 488146DA FR 488146 A FR488146 A FR 488146A
Authority
FR
France
Prior art keywords
manufacture
production
coloring matter
coloring
matter
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
FR488146A
Other languages
French (fr)
Inventor
Ernest Francis Ehrhardt
Herbert Wilfrid Ehrhardt
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 FR488146A publication Critical patent/FR488146A/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
    • C09B45/00—Complex metal compounds of azo dyes
    • C09B45/02—Preparation from dyes containing in o-position a hydroxy group and in o'-position hydroxy, alkoxy, carboxyl, amino or keto groups
    • C09B45/14—Monoazo compounds
    • C09B45/16—Monoazo compounds containing chromium
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10D—STRINGED MUSICAL INSTRUMENTS; WIND MUSICAL INSTRUMENTS; ACCORDIONS OR CONCERTINAS; PERCUSSION MUSICAL INSTRUMENTS; AEOLIAN HARPS; SINGING-FLAME MUSICAL INSTRUMENTS; MUSICAL INSTRUMENTS NOT OTHERWISE PROVIDED FOR
    • G10D9/00—Details of, or accessories for, wind musical instruments
    • G10D9/04—Valves; Valve controls
    • G10D9/047—Valves; Valve controls for wood wind instruments

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Electrophonic Musical Instruments (AREA)
FR488146A 1917-04-05 1917-12-24 Manufacture and production of coloring matter Expired FR488146A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB488146X 1925-04-03

Publications (1)

Publication Number Publication Date
FR488146A true FR488146A (en) 1918-09-05

Family

ID=10450000

Family Applications (1)

Application Number Title Priority Date Filing Date
FR488146A Expired FR488146A (en) 1917-04-05 1917-12-24 Manufacture and production of coloring matter

Country Status (2)

Country Link
DE (1) DE488146C (en)
FR (1) FR488146A (en)

Also Published As

Publication number Publication date
DE488146C (en) 1930-01-03

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