BE865774A - Procede de preparation de l'acide 1-amino-8-naphtol-3,6-disulfonique (acide "h") - Google Patents

Procede de preparation de l'acide 1-amino-8-naphtol-3,6-disulfonique (acide "h")

Info

Publication number
BE865774A
BE865774A BE2056856A BE2056856A BE865774A BE 865774 A BE865774 A BE 865774A BE 2056856 A BE2056856 A BE 2056856A BE 2056856 A BE2056856 A BE 2056856A BE 865774 A BE865774 A BE 865774A
Authority
BE
Belgium
Prior art keywords
acid
naphtol
amino
preparation
disulphonic
Prior art date
Application number
BE2056856A
Other languages
English (en)
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 BE865774A publication Critical patent/BE865774A/xx

Links

BE2056856A 1977-04-09 1978-04-07 Procede de preparation de l'acide 1-amino-8-naphtol-3,6-disulfonique (acide "h") BE865774A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19772716030 DE2716030C3 (de) 1977-04-09 1977-04-09 Verfahren zur Herstellung von Monoalkalisalzes der 1-Amino-8-naphthol-3,6-disulfonsäure

Publications (1)

Publication Number Publication Date
BE865774A true BE865774A (fr) 1978-10-09

Family

ID=6006077

Family Applications (1)

Application Number Title Priority Date Filing Date
BE2056856A BE865774A (fr) 1977-04-09 1978-04-07 Procede de preparation de l'acide 1-amino-8-naphtol-3,6-disulfonique (acide "h")

Country Status (8)

Country Link
JP (1) JPS53127448A (cg-RX-API-DMAC7.html)
BE (1) BE865774A (cg-RX-API-DMAC7.html)
BR (1) BR7802175A (cg-RX-API-DMAC7.html)
CH (1) CH634045A5 (cg-RX-API-DMAC7.html)
DE (1) DE2716030C3 (cg-RX-API-DMAC7.html)
FR (1) FR2386520A1 (cg-RX-API-DMAC7.html)
GB (1) GB1577697A (cg-RX-API-DMAC7.html)
IT (1) IT1156158B (cg-RX-API-DMAC7.html)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2834166A1 (de) * 1978-08-04 1980-02-28 Bayer Ag Verfahren zur herstellung von 1-amino-8-naphthol-3,6-disulfonsaeure (h-saeure)
DE2843680A1 (de) * 1978-10-06 1980-04-24 Bayer Ag Verfahren zur herstellung von 1-amino-8-naphthol-4,6-disulfonsaeure (k-saeure)
DE3118147A1 (de) * 1981-05-07 1982-12-02 Bayer Ag, 5090 Leverkusen Verfahren zur isolierung von h-saeure und k-saeure
JPS6388617A (ja) * 1986-10-01 1988-04-19 Mitsubishi Electric Corp 比例制御ガバナ
CN109096154A (zh) * 2018-08-16 2018-12-28 山东裕源集团有限公司 一种h酸生产工艺

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR550850A (fr) * 1921-12-12 1923-03-21 Nouveau procédé de préparation de l'acide h
US1670406A (en) * 1925-05-09 1928-05-22 Newport Co Process of preparing h-acid
US2272272A (en) * 1939-09-02 1942-02-10 Allied Chem & Dye Corp Process for preparing hydroxy naphthalene compounds
JPS52156844A (en) * 1976-06-21 1977-12-27 Sumitomo Chem Co Ltd Preparation of 8-amino-1-naphthol-3,6-disulfonic acid
CH630067A5 (de) * 1977-03-31 1982-05-28 Ciba Geigy Ag Verfahren zur herstellung von naphthylaminhydroxysulfosaeuren.
DE2732291A1 (de) * 1977-07-16 1979-02-01 Bayer Ag Verfahren zur herstellung von 1-amino-8-naphthol-3,6-disulfonsaeure (h-saeure)

Also Published As

Publication number Publication date
JPS53127448A (en) 1978-11-07
CH634045A5 (en) 1983-01-14
IT1156158B (it) 1987-01-28
FR2386520B1 (cg-RX-API-DMAC7.html) 1984-08-31
FR2386520A1 (fr) 1978-11-03
GB1577697A (en) 1980-10-29
BR7802175A (pt) 1978-12-19
JPS5645910B2 (cg-RX-API-DMAC7.html) 1981-10-29
DE2716030B2 (de) 1980-09-11
IT7848792A0 (it) 1978-04-07
DE2716030A1 (de) 1978-10-19
DE2716030C3 (de) 1981-07-16

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: BAYER A.G.

Effective date: 19840407