FR2320937A1 - Reglage automatique de reactions chimiques, en particulier de diazotations - Google Patents

Reglage automatique de reactions chimiques, en particulier de diazotations

Info

Publication number
FR2320937A1
FR2320937A1 FR7624490A FR7624490A FR2320937A1 FR 2320937 A1 FR2320937 A1 FR 2320937A1 FR 7624490 A FR7624490 A FR 7624490A FR 7624490 A FR7624490 A FR 7624490A FR 2320937 A1 FR2320937 A1 FR 2320937A1
Authority
FR
France
Prior art keywords
diazotations
chemical reactions
automatic adjustment
adjustment
automatic
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.)
Granted
Application number
FR7624490A
Other languages
English (en)
Other versions
FR2320937B1 (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.)
Novartis AG
Original Assignee
Ciba Geigy 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 Ciba Geigy AG filed Critical Ciba Geigy AG
Publication of FR2320937A1 publication Critical patent/FR2320937A1/fr
Application granted granted Critical
Publication of FR2320937B1 publication Critical patent/FR2320937B1/fr
Granted 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
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D11/00—Control of flow ratio
    • G05D11/02—Controlling ratio of two or more flows of fluid or fluent material
    • G05D11/13—Controlling ratio of two or more flows of fluid or fluent material characterised by the use of electric means
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D21/00—Control of chemical or physico-chemical variables, e.g. pH value
    • G05D21/02—Control of chemical or physico-chemical variables, e.g. pH value characterised by the use of electric means

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
FR7624490A 1975-08-12 1976-08-11 Reglage automatique de reactions chimiques, en particulier de diazotations Granted FR2320937A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB33614/75A GB1547760A (en) 1975-08-12 1975-08-12 Control of continuos diazotisation of aromatic amines

Publications (2)

Publication Number Publication Date
FR2320937A1 true FR2320937A1 (fr) 1977-03-11
FR2320937B1 FR2320937B1 (fr) 1978-05-05

Family

ID=10355210

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7624490A Granted FR2320937A1 (fr) 1975-08-12 1976-08-11 Reglage automatique de reactions chimiques, en particulier de diazotations

Country Status (9)

Country Link
JP (1) JPS5227725A (fr)
CA (1) CA1075682A (fr)
CH (1) CH623029A5 (fr)
DE (1) DE2635778A1 (fr)
DK (1) DK363176A (fr)
FR (1) FR2320937A1 (fr)
GB (1) GB1547760A (fr)
IT (1) IT1065121B (fr)
SE (1) SE7608970L (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0001236A1 (fr) * 1977-09-17 1979-04-04 Bayer Ag Procédé de diazotation indirecte, en continu, d'amines aromatiques
EP0058296A1 (fr) * 1981-02-07 1982-08-25 Hoechst Aktiengesellschaft Procédé de réglage de réactions de diazotation en discontinu
EP0209492A2 (fr) * 1985-07-15 1987-01-21 Ciba-Geigy Ag Procédé pour éliminer l'excès de nitrite dans les solutions de diazotation

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL199874A (fr) * 1954-08-26

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0001236A1 (fr) * 1977-09-17 1979-04-04 Bayer Ag Procédé de diazotation indirecte, en continu, d'amines aromatiques
EP0058296A1 (fr) * 1981-02-07 1982-08-25 Hoechst Aktiengesellschaft Procédé de réglage de réactions de diazotation en discontinu
EP0209492A2 (fr) * 1985-07-15 1987-01-21 Ciba-Geigy Ag Procédé pour éliminer l'excès de nitrite dans les solutions de diazotation
EP0209492A3 (fr) * 1985-07-15 1989-11-02 Ciba-Geigy Ag Procédé pour éliminer l'excès de nitrite dans les solutions de diazotation

Also Published As

Publication number Publication date
SE7608970L (sv) 1977-02-13
FR2320937B1 (fr) 1978-05-05
DE2635778A1 (de) 1977-02-24
JPS5227725A (en) 1977-03-02
JPS6210222B2 (fr) 1987-03-05
GB1547760A (en) 1979-06-27
CA1075682A (fr) 1980-04-15
IT1065121B (it) 1985-02-25
DK363176A (da) 1977-02-13
CH623029A5 (en) 1981-05-15
DE2635778C2 (fr) 1987-08-27

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Legal Events

Date Code Title Description
ST Notification of lapse