FR2378753B1 - - Google Patents

Info

Publication number
FR2378753B1
FR2378753B1 FR7802224A FR7802224A FR2378753B1 FR 2378753 B1 FR2378753 B1 FR 2378753B1 FR 7802224 A FR7802224 A FR 7802224A FR 7802224 A FR7802224 A FR 7802224A FR 2378753 B1 FR2378753 B1 FR 2378753B1
Authority
FR
France
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
FR7802224A
Other languages
French (fr)
Other versions
FR2378753A1 (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.)
Bayer AG
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
Priority claimed from DE2703076A external-priority patent/DE2703076C3/de
Priority claimed from DE19772747714 external-priority patent/DE2747714A1/de
Application filed by Bayer AG filed Critical Bayer AG
Publication of FR2378753A1 publication Critical patent/FR2378753A1/fr
Application granted granted Critical
Publication of FR2378753B1 publication Critical patent/FR2378753B1/fr
Granted legal-status Critical Current

Links

FR7802224A 1977-01-26 1978-01-26 Procede perfectionne pour preparer les acides aminonaphtalene-sulfoniques, a partir des acides nitronaphtalenesulfoniques par hydrogenation catalytique Granted FR2378753A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2703076A DE2703076C3 (de) 1977-01-26 1977-01-26 Verfahren zur Herstellung von Aminonaphthalinsulfonsäuren
DE19772747714 DE2747714A1 (de) 1977-10-25 1977-10-25 Verfahren zur herstellung von aminonaphthalinsulfonsaeuren

Publications (2)

Publication Number Publication Date
FR2378753A1 FR2378753A1 (fr) 1978-08-25
FR2378753B1 true FR2378753B1 ( ) 1983-09-09

Family

ID=25771515

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7802224A Granted FR2378753A1 (fr) 1977-01-26 1978-01-26 Procede perfectionne pour preparer les acides aminonaphtalene-sulfoniques, a partir des acides nitronaphtalenesulfoniques par hydrogenation catalytique

Country Status (5)

Country Link
US (1) US4163752A ( )
JP (1) JPS5392747A ( )
CH (1) CH632990A5 ( )
FR (1) FR2378753A1 ( )
GB (1) GB1568023A ( )

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3347452A1 (de) * 1983-12-29 1985-07-11 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung von aromatischen aminosulfonsaeuren
DE4025131A1 (de) * 1990-08-08 1992-02-13 Bayer Ag Verfahren zur herstellung von aminoarylsulfonsaeuren
CN100574877C (zh) * 2007-06-18 2009-12-30 大连理工大学 一种非晶态镍铝合金催化硝基t酸加氢制备氨基t酸的方法
CN111848459A (zh) * 2020-08-14 2020-10-30 中国天辰工程有限公司 一种清洁高效的1,6和1,7-克利夫酸制备方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1112652A (fr) * 1954-11-13 1956-03-16 Tomado Nv Râtelier ou échafaudage analogue
JPS5629660B2 ( ) * 1973-04-19 1981-07-09
GB1499589A (en) * 1976-12-02 1978-02-01 Ici Ltd Catalytic reduction of nitrobenzene sulphonic acids

Also Published As

Publication number Publication date
US4163752A (en) 1979-08-07
GB1568023A (en) 1980-05-21
JPS5654312B2 ( ) 1981-12-24
CH632990A5 (de) 1982-11-15
JPS5392747A (en) 1978-08-15
FR2378753A1 (fr) 1978-08-25

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Legal Events

Date Code Title Description
ST Notification of lapse