FR70599E - Procédé de diazotation continue - Google Patents

Procédé de diazotation continue

Info

Publication number
FR70599E
FR70599E FR70599DA FR70599E FR 70599 E FR70599 E FR 70599E FR 70599D A FR70599D A FR 70599DA FR 70599 E FR70599 E FR 70599E
Authority
FR
France
Prior art keywords
diazotization process
continuous diazotization
continuous
diazotization
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
English (en)
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.)
Hoechst AG
Original Assignee
Hoechst AG
Farbwerke Hoechst AG
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 Hoechst AG, Farbwerke Hoechst AG filed Critical Hoechst AG
Application granted granted Critical
Publication of FR70599E publication Critical patent/FR70599E/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C245/00—Compounds containing chains of at least two nitrogen atoms with at least one nitrogen-to-nitrogen multiple bond
    • C07C245/20—Diazonium compounds
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C303/00—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides
    • C07C303/02—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides of sulfonic acids or halides thereof
    • C07C303/22—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides of sulfonic acids or halides thereof from sulfonic acids, by reactions not involving the formation of sulfo or halosulfonyl groups; from sulfonic halides by reactions not involving the formation of halosulfonyl groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D231/00—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings
    • C07D231/02—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings
    • C07D231/06—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
    • C07D231/08—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with oxygen or sulfur atoms directly attached to ring carbon atoms
    • 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
    • C09B41/00—Special methods of performing the coupling reaction
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T436/00—Chemistry: analytical and immunological testing
    • Y10T436/15—Inorganic acid or base [e.g., hcl, sulfuric acid, etc. ]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
FR70599D 1954-08-26 1956-10-15 Procédé de diazotation continue Expired FR70599E (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE340831X 1954-08-26
DEF18646A DE1008309B (de) 1954-08-26 1955-10-14 Verfahren zur kontinuierlichen Diazotierung von Aminen

Publications (1)

Publication Number Publication Date
FR70599E true FR70599E (fr) 1959-05-29

Family

ID=25819113

Family Applications (2)

Application Number Title Priority Date Filing Date
FR1141437D Expired FR1141437A (fr) 1954-08-26 1955-08-25 Procédé de diazotation continue
FR70599D Expired FR70599E (fr) 1954-08-26 1956-10-15 Procédé de diazotation continue

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR1141437D Expired FR1141437A (fr) 1954-08-26 1955-08-25 Procédé de diazotation continue

Country Status (7)

Country Link
US (1) US3117954A (fr)
BE (2) BE540844A (fr)
CH (2) CH340831A (fr)
DE (2) DE960205C (fr)
FR (2) FR1141437A (fr)
GB (2) GB812368A (fr)
NL (4) NL211338A (fr)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1062034B (de) * 1955-06-13 1959-07-23 Leuna Werke Veb Verfahren zur Pruefung von festen, fluessigen oder gasfoermigen Stoffen auf Anwesenheit von Azofarbstoffe bildenden Substanzen
FR1285286A (fr) * 1960-12-19 1962-02-23 Azote Office Nat Ind Préparation d'acide trichlorocyanurique
BE629326A (fr) * 1962-03-09
GB1051614A (fr) * 1962-06-02
DE1231251B (de) * 1963-11-28 1966-12-29 Basf Ag Verfahren zur kontinuierlichen Herstellung von Diazoverbindungen
CH505213A (de) * 1968-11-07 1971-03-31 Saba Gmbh Verfahren zum Ätzen von Kupfer und Kupferlegierungen, insbesondere von kupferkaschierten Schichtpressstoffen
US4145362A (en) 1969-04-10 1979-03-20 S.A. P R B En Neerlandais Prb N.V. Process for the arylation of olefines
GB1547760A (en) * 1975-08-12 1979-06-27 Ciba Geigy Ag Control of continuos diazotisation of aromatic amines
DE2741925A1 (de) * 1977-09-17 1979-03-29 Bayer Ag Verfahren zur kontinuierlichen indirekten diazotierung von aromatischen aminen
DE2960465D1 (en) * 1978-02-14 1981-10-22 Ici Plc Process for the diazotisation of amines
DE2825655A1 (de) * 1978-06-12 1979-12-20 Hoechst Ag Verfahren zur kontinuierlichen diazotierung von aminen
US4246171A (en) * 1978-09-07 1981-01-20 Ciba-Geigy Corporation Continuous diazotization process, wherein the rate of addition of inorganic nitrite is automatically controlled by polarovoltric means
DE3104375A1 (de) * 1981-02-07 1982-08-19 Hoechst Ag, 6000 Frankfurt Verfahren zur steuerung von diazotierungsreaktionen
DE3125104A1 (de) * 1981-06-26 1983-01-13 Hoechst Ag, 6000 Frankfurt Verfahren zur herstellung von aryldiazosulfonaten
JPS5910845A (ja) * 1982-07-09 1984-01-20 Sanwa Shoji Kk 液中亜硫酸の定量法およびその定量装置
GB2129434B (en) * 1982-10-08 1986-04-16 Ciba Geigy Ag Production of azo compounds
EP0184555A3 (fr) * 1984-12-06 1989-11-02 Ciba-Geigy Ag Procédé de diazotation d'amines
EP0220130B1 (fr) * 1985-08-22 1990-03-28 Ciba-Geigy Ag Méthode de détermination de la concentration des ions de diazonium
US4918168A (en) * 1987-11-24 1990-04-17 Mallinckrodt Inc. Process for the continuous diazotization of amines in a multi-stage reactor
US5055563A (en) * 1990-06-13 1991-10-08 Mallinckrodt Specialty Chemicals Company Continuous preparation of aromatic diazonium fluoride salts from corresponding aromatic amines

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2478767A (en) * 1945-10-04 1949-08-09 Du Pont Manufacture of azo compounds
US2714104A (en) * 1953-07-31 1955-07-26 Universal Oil Prod Co Preparation of p-alkylaminoazobenzenes

Also Published As

Publication number Publication date
DE960205C (de) 1957-03-21
BE540844A (fr)
NL211338A (fr)
BE551798A (fr)
DE1008309B (de) 1957-05-16
FR1141437A (fr) 1957-09-02
NL96899C (fr)
NL100682C (fr)
US3117954A (en) 1964-01-14
GB844062A (en) 1960-08-10
GB812368A (en) 1959-04-22
NL199874A (fr)
CH340831A (de) 1959-09-15
CH344422A (de) 1960-02-15

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