BE803773A - Procede de preparation d'aminobenzenes - Google Patents

Procede de preparation d'aminobenzenes

Info

Publication number
BE803773A
BE803773A BE134721A BE134721A BE803773A BE 803773 A BE803773 A BE 803773A BE 134721 A BE134721 A BE 134721A BE 134721 A BE134721 A BE 134721A BE 803773 A BE803773 A BE 803773A
Authority
BE
Belgium
Prior art keywords
aminobenzenes
preparing
preparing aminobenzenes
Prior art date
Application number
BE134721A
Other languages
English (en)
Original Assignee
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 filed Critical Hoechst Ag
Publication of BE803773A publication Critical patent/BE803773A/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/48—Polyethers
    • C08G18/4804—Two or more polyethers of different physical or chemical nature
    • C08G18/482—Mixtures of polyethers containing at least one polyether containing nitrogen
BE134721A 1972-08-19 1973-08-20 Procede de preparation d'aminobenzenes BE803773A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722240849 DE2240849C3 (de) 1972-08-19 1972-08-19 Verfahren zur Herstellung von Aminobenzolen

Publications (1)

Publication Number Publication Date
BE803773A true BE803773A (fr) 1974-02-20

Family

ID=5853995

Family Applications (1)

Application Number Title Priority Date Filing Date
BE134721A BE803773A (fr) 1972-08-19 1973-08-20 Procede de preparation d'aminobenzenes

Country Status (2)

Country Link
BE (1) BE803773A (fr)
DE (1) DE2240849C3 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2455704C3 (de) * 1974-11-25 1978-06-08 Hoechst Ag, 6000 Frankfurt Verfahren zur Herstellung von 4-Chlor-23-dimethoxy anilin
US4207254A (en) * 1976-03-26 1980-06-10 Basf Wyandotte Corporation Method for preparing improved toluene sulfonic acid derivatives and the products thereof
DE2758111A1 (de) * 1977-12-24 1979-07-05 Basf Ag Verfahren zur herstellung von halogenanilinen
CA1148562A (fr) * 1979-02-22 1983-06-21 Alfred J. Bird Catalyseur pour l'hydrogenation de composes aromatiques nitres halogenes
DE3003254A1 (de) * 1980-01-30 1981-08-20 Hoechst Ag, 6000 Frankfurt Verfahren zur katalytischen hydrierung organischer verbindungen
DE3104388A1 (de) * 1981-02-07 1982-10-21 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung von 1-alkyl-2-chlor-5-nitro-4-benzol-sulfonsaeuren
DE3347452A1 (de) * 1983-12-29 1985-07-11 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung von aromatischen aminosulfonsaeuren
DE3720213A1 (de) * 1987-06-17 1988-12-29 Bayer Ag Verfahren zur herstellung von (3-aminophenyl)(2-hydroxyethyl)sulfon
EP0414637A1 (fr) * 1989-08-23 1991-02-27 Ciba-Geigy Ag Procédé de préparation d'amines aromatiques

Also Published As

Publication number Publication date
DE2240849A1 (de) 1974-03-14
DE2240849B2 (de) 1974-07-18
DE2240849C3 (de) 1975-03-20

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: FARBWERKE HOECHST A.G. VORMALS MEISTER LUCIUS & B

Effective date: 19910831