CH110644A - Process for the production of a new azo dye. - Google Patents

Process for the production of a new azo dye.

Info

Publication number
CH110644A
CH110644A CH110644DA CH110644A CH 110644 A CH110644 A CH 110644A CH 110644D A CH110644D A CH 110644DA CH 110644 A CH110644 A CH 110644A
Authority
CH
Switzerland
Prior art keywords
production
azo dye
new azo
new
dye
Prior art date
Application number
Other languages
German (de)
Inventor
Gesellschaft Fuer Chemis Basel
Original Assignee
Chem Ind Basel
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 Chem Ind Basel filed Critical Chem Ind Basel
Publication of CH110644A publication Critical patent/CH110644A/en

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
    • C09B62/00—Reactive dyes, i.e. dyes which form covalent bonds with the substrates or which polymerise with themselves
    • C09B62/02—Reactive dyes, i.e. dyes which form covalent bonds with the substrates or which polymerise with themselves with the reactive group directly attached to a heterocyclic ring
    • C09B62/04—Reactive dyes, i.e. dyes which form covalent bonds with the substrates or which polymerise with themselves with the reactive group directly attached to a heterocyclic ring to a triazine ring
    • C09B62/08—Azo dyes
    • C09B62/085—Monoazo dyes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Coloring (AREA)
CH110644D 1923-01-09 1923-12-12 Process for the production of a new azo dye. CH110644A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR109481X 1923-01-09
CH109481T 1923-12-12

Publications (1)

Publication Number Publication Date
CH110644A true CH110644A (en) 1925-06-16

Family

ID=25707570

Family Applications (91)

Application Number Title Priority Date Filing Date
CH111709D CH111709A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110650D CH110650A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH111712D CH111712A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110676D CH110676A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110657D CH110657A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110647D CH110647A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH109481D CH109481A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110405D CH110405A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH111277D CH111277A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110683D CH110683A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110674D CH110674A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110689D CH110689A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110640D CH110640A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110634D CH110634A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH111276D CH111276A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110637D CH110637A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH111713D CH111713A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110661D CH110661A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110645D CH110645A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110626D CH110626A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110685D CH110685A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110636D CH110636A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110654D CH110654A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110678D CH110678A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110677D CH110677A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110690D CH110690A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110660D CH110660A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110630D CH110630A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH111275D CH111275A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110688D CH110688A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110675D CH110675A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110635D CH110635A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110681D CH110681A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110625D CH110625A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110638D CH110638A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110641D CH110641A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110672D CH110672A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110627D CH110627A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110686D CH110686A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110691D CH110691A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110633D CH110633A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH111274D CH111274A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110684D CH110684A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110671D CH110671A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110673D CH110673A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110663D CH110663A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110655D CH110655A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110643D CH110643A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110665D CH110665A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110407D CH110407A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110656D CH110656A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110649D CH110649A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110624D CH110624A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110632D CH110632A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH111707D CH111707A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110648D CH110648A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH111704D CH111704A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110642D CH110642A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110687D CH110687A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110668D CH110668A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH111711D CH111711A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH111702D CH111702A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110669D CH110669A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110646D CH110646A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110662D CH110662A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH111708D CH111708A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110406D CH110406A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110651D CH110651A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110659D CH110659A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH111703D CH111703A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110670D CH110670A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110652D CH110652A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110644D CH110644A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110666D CH110666A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110679D CH110679A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110631D CH110631A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110629D CH110629A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH111710D CH111710A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110682D CH110682A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH111705D CH111705A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110658D CH110658A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110692D CH110692A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110664D CH110664A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110680D CH110680A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110628D CH110628A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110667D CH110667A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH111706D CH111706A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110639D CH110639A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110693D CH110693A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110653D CH110653A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110623D CH110623A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.

Family Applications Before (72)

Application Number Title Priority Date Filing Date
CH111709D CH111709A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110650D CH110650A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH111712D CH111712A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110676D CH110676A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110657D CH110657A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110647D CH110647A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH109481D CH109481A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110405D CH110405A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH111277D CH111277A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110683D CH110683A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110674D CH110674A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110689D CH110689A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110640D CH110640A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110634D CH110634A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH111276D CH111276A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110637D CH110637A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH111713D CH111713A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110661D CH110661A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110645D CH110645A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110626D CH110626A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110685D CH110685A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110636D CH110636A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110654D CH110654A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110678D CH110678A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110677D CH110677A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110690D CH110690A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110660D CH110660A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110630D CH110630A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH111275D CH111275A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110688D CH110688A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110675D CH110675A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110635D CH110635A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110681D CH110681A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110625D CH110625A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110638D CH110638A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110641D CH110641A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110672D CH110672A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110627D CH110627A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110686D CH110686A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110691D CH110691A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110633D CH110633A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH111274D CH111274A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110684D CH110684A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110671D CH110671A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110673D CH110673A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110663D CH110663A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110655D CH110655A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110643D CH110643A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110665D CH110665A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110407D CH110407A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110656D CH110656A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110649D CH110649A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110624D CH110624A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110632D CH110632A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH111707D CH111707A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110648D CH110648A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH111704D CH111704A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110642D CH110642A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110687D CH110687A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110668D CH110668A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH111711D CH111711A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH111702D CH111702A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110669D CH110669A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110646D CH110646A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110662D CH110662A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH111708D CH111708A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110406D CH110406A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110651D CH110651A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110659D CH110659A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH111703D CH111703A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110670D CH110670A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110652D CH110652A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.

Family Applications After (18)

Application Number Title Priority Date Filing Date
CH110666D CH110666A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110679D CH110679A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110631D CH110631A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110629D CH110629A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH111710D CH111710A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110682D CH110682A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH111705D CH111705A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110658D CH110658A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110692D CH110692A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110664D CH110664A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110680D CH110680A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110628D CH110628A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110667D CH110667A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH111706D CH111706A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110639D CH110639A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110693D CH110693A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110653D CH110653A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.
CH110623D CH110623A (en) 1923-01-09 1923-12-12 Process for the production of a new azo dye.

Country Status (1)

Country Link
CH (91) CH111709A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2459435A (en) * 1943-09-01 1949-01-18 Geigy Ag J R Substantive triazine azo dyes
US2892828A (en) * 1954-11-29 1959-06-30 Ici Ltd Triazine monoazo dyestuffs
GB837953A (en) * 1957-08-23 1960-06-15 Ici Ltd New monoazo triazine dyestuffs

Also Published As

Publication number Publication date
CH110625A (en) 1925-06-16
CH110649A (en) 1925-06-16
CH110680A (en) 1925-06-16
CH111713A (en) 1925-09-01
CH110659A (en) 1925-06-16
CH110687A (en) 1925-06-16
CH110673A (en) 1925-06-16
CH110683A (en) 1925-06-16
CH110641A (en) 1925-06-16
CH111703A (en) 1925-09-01
CH110660A (en) 1925-06-16
CH110684A (en) 1925-06-16
CH110681A (en) 1925-06-16
CH110655A (en) 1925-06-16
CH110675A (en) 1925-06-16
CH110672A (en) 1925-06-16
CH110667A (en) 1925-06-16
CH110651A (en) 1925-06-16
CH110632A (en) 1925-06-16
CH110691A (en) 1925-06-16
CH110405A (en) 1925-06-01
CH110656A (en) 1925-06-16
CH110645A (en) 1925-06-16
CH110678A (en) 1925-06-16
CH110406A (en) 1925-06-01
CH110637A (en) 1925-06-16
CH110631A (en) 1925-06-16
CH110653A (en) 1925-06-16
CH111704A (en) 1925-09-01
CH111705A (en) 1925-09-01
CH110407A (en) 1925-06-01
CH110639A (en) 1925-06-16
CH111277A (en) 1925-08-01
CH110646A (en) 1925-06-16
CH111276A (en) 1925-08-01
CH110648A (en) 1925-06-16
CH110629A (en) 1925-06-16
CH111709A (en) 1925-09-01
CH110650A (en) 1925-06-16
CH111711A (en) 1925-09-01
CH110626A (en) 1925-06-16
CH110685A (en) 1925-06-16
CH110658A (en) 1925-06-16
CH110693A (en) 1925-06-16
CH111275A (en) 1925-08-01
CH110669A (en) 1925-06-16
CH110692A (en) 1925-06-16
CH110663A (en) 1925-06-16
CH110654A (en) 1925-06-16
CH110652A (en) 1925-06-16
CH110638A (en) 1925-06-16
CH110623A (en) 1925-06-16
CH110657A (en) 1925-06-16
CH110682A (en) 1925-06-16
CH110624A (en) 1925-06-16
CH110630A (en) 1925-06-16
CH110661A (en) 1925-06-16
CH110628A (en) 1925-06-16
CH111708A (en) 1925-09-01
CH110627A (en) 1925-06-16
CH110674A (en) 1925-06-16
CH110635A (en) 1925-06-16
CH110634A (en) 1925-06-16
CH110633A (en) 1925-06-16
CH111706A (en) 1925-09-01
CH111707A (en) 1925-09-01
CH110686A (en) 1925-06-16
CH110671A (en) 1925-06-16
CH110688A (en) 1925-06-16
CH110676A (en) 1925-06-16
CH110636A (en) 1925-06-16
CH110666A (en) 1925-06-16
CH110640A (en) 1925-06-16
CH111274A (en) 1925-08-01
CH110665A (en) 1925-06-16
CH109481A (en) 1925-03-16
CH111702A (en) 1925-09-01
CH110643A (en) 1925-06-16
CH110679A (en) 1925-06-16
CH110642A (en) 1925-06-16
CH110668A (en) 1925-06-16
CH110664A (en) 1925-06-16
CH110670A (en) 1925-06-16
CH110689A (en) 1925-06-16
CH110662A (en) 1925-06-16
CH111710A (en) 1925-09-01
CH110690A (en) 1925-06-16
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CH110647A (en) 1925-06-16
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CH110637A (en) Process for the production of a new azo dye.