BE863326A - PERFECTED PROCESS FOR THE PREPARATION OF AMINONAPHTALENESULPHONIC ACIDS - Google Patents

PERFECTED PROCESS FOR THE PREPARATION OF AMINONAPHTALENESULPHONIC ACIDS

Info

Publication number
BE863326A
BE863326A BE2056637A BE2056637A BE863326A BE 863326 A BE863326 A BE 863326A BE 2056637 A BE2056637 A BE 2056637A BE 2056637 A BE2056637 A BE 2056637A BE 863326 A BE863326 A BE 863326A
Authority
BE
Belgium
Prior art keywords
aminonaphtalenesulphonic
acids
preparation
perfected process
perfected
Prior art date
Application number
BE2056637A
Other languages
French (fr)
Original Assignee
Bayer 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 Bayer Ag filed Critical Bayer Ag
Publication of BE863326A publication Critical patent/BE863326A/en

Links

Classifications

    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/584—Recycling of catalysts
BE2056637A 1977-01-26 1978-01-26 PERFECTED PROCESS FOR THE PREPARATION OF AMINONAPHTALENESULPHONIC ACIDS BE863326A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2703076A DE2703076C3 (en) 1977-01-26 1977-01-26 Process for the preparation of aminonaphthalenesulfonic acids

Publications (1)

Publication Number Publication Date
BE863326A true BE863326A (en) 1978-07-26

Family

ID=5999557

Family Applications (1)

Application Number Title Priority Date Filing Date
BE2056637A BE863326A (en) 1977-01-26 1978-01-26 PERFECTED PROCESS FOR THE PREPARATION OF AMINONAPHTALENESULPHONIC ACIDS

Country Status (2)

Country Link
BE (1) BE863326A (en)
DE (1) DE2703076C3 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4025131A1 (en) * 1990-08-08 1992-02-13 Bayer Ag METHOD FOR PRODUCING AMINOARYL SULPHONIC ACIDS
CN101993398B (en) * 2009-08-24 2014-03-05 中国中化股份有限公司 Method for preparing 1,8-diamido-3,6-naphthalene disulfonic acid by catalytic hydrogenation

Also Published As

Publication number Publication date
DE2703076C3 (en) 1981-07-23
DE2703076B2 (en) 1980-09-18
DE2703076A1 (en) 1978-07-27

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: BAYER A.G.

Effective date: 19840126