FR500914A - New way of preparing azo dyes - Google Patents

New way of preparing azo dyes

Info

Publication number
FR500914A
FR500914A FR500914A FR500914DA FR500914A FR 500914 A FR500914 A FR 500914A FR 500914 A FR500914 A FR 500914A FR 500914D A FR500914D A FR 500914DA FR 500914 A FR500914 A FR 500914A
Authority
FR
France
Prior art keywords
azo dyes
new way
preparing azo
preparing
new
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
FR500914A
Other languages
French (fr)
Inventor
Raymond Vidal
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 FR500914A publication Critical patent/FR500914A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09BORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B41/00Special methods of performing the coupling reaction
    • C09B41/006Special methods of performing the coupling reaction characterised by process features
    • C09B41/009Diazotising and coupling in one step

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
FR500914A 1916-12-09 1916-12-09 New way of preparing azo dyes Expired FR500914A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR500914T 1916-12-09

Publications (1)

Publication Number Publication Date
FR500914A true FR500914A (en) 1920-03-27

Family

ID=8905376

Family Applications (1)

Application Number Title Priority Date Filing Date
FR500914A Expired FR500914A (en) 1916-12-09 1916-12-09 New way of preparing azo dyes

Country Status (1)

Country Link
FR (1) FR500914A (en)

Similar Documents

Publication Publication Date Title
FR500914A (en) New way of preparing azo dyes
FR515095A (en) Production of substantive azo dyes
FR500192A (en) Preparation of azo dyestuffs
FR520984A (en) Process for the preparation of azo dyes
FR530192A (en) Production of new azo dyes
FR505007A (en) Process for the preparation of nitro derivatives of azo dyes
FR520985A (en) Process for the preparation of new azo dyes
FR515278A (en) Production of new indigoid dyes
FR487778A (en) Process for the preparation of new copper combinations of substantive azo dyes
ES62564A1 (en) Preparation of direct black colorants.
FR514972A (en) Production of new azo dyestuffs
FR515442A (en) Production of new azo dyestuffs
FR441620A (en) New monoazo dyes
CA202548A (en) Manufacture of splice bars for compromise rail joints
FR500193A (en) Preparation of diazo derivatives
FR483725A (en) Coloring of photographs
FR500190A (en) Preparation of black coloring matter
FR23783E (en) Preparation of azo combinations
FR23785E (en) Preparation of azo combinations
FR526485A (en) Preparation of azo combinations
AU1673720A (en) Improved arrangement forthe optical projection of pictures
ES62565A1 (en) Preparation of blue coloring matters.
FR791365A (en) Production of azo dyes
FR508230A (en) Preparation of new azo dyes of orange shade
FR549020A (en) Process for the preparation of azo dyes