JPH0144181B2 - - Google Patents

Info

Publication number
JPH0144181B2
JPH0144181B2 JP57074667A JP7466782A JPH0144181B2 JP H0144181 B2 JPH0144181 B2 JP H0144181B2 JP 57074667 A JP57074667 A JP 57074667A JP 7466782 A JP7466782 A JP 7466782A JP H0144181 B2 JPH0144181 B2 JP H0144181B2
Authority
JP
Japan
Prior art keywords
acid
weight
solution
acids
ions
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.)
Expired
Application number
JP57074667A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57185257A (en
Inventor
Beere Horusuto
Ururitsuhi Buranku Haintsu
Rindonaa Otsutoo
Shesuraa Birii
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
Application filed by Bayer AG filed Critical Bayer AG
Publication of JPS57185257A publication Critical patent/JPS57185257A/ja
Publication of JPH0144181B2 publication Critical patent/JPH0144181B2/ja
Granted legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C303/00Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides
    • C07C303/42Separation; Purification; Stabilisation; Use of additives
    • C07C303/44Separation; Purification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
JP57074667A 1981-05-07 1982-05-06 Isolation of h acid and k acid Granted JPS57185257A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19813118147 DE3118147A1 (de) 1981-05-07 1981-05-07 Verfahren zur isolierung von h-saeure und k-saeure

Publications (2)

Publication Number Publication Date
JPS57185257A JPS57185257A (en) 1982-11-15
JPH0144181B2 true JPH0144181B2 (forum.php) 1989-09-26

Family

ID=6131721

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57074667A Granted JPS57185257A (en) 1981-05-07 1982-05-06 Isolation of h acid and k acid

Country Status (4)

Country Link
US (1) US4426334A (forum.php)
EP (1) EP0064651B1 (forum.php)
JP (1) JPS57185257A (forum.php)
DE (2) DE3118147A1 (forum.php)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011140019A1 (en) 2010-05-07 2011-11-10 3M Innovative Properties Company Apparatus for manufacturing multilayer polymeric films
CN107986997A (zh) * 2017-12-08 2018-05-04 荆门市熊兴化工有限公司 一种用于h酸生产过程中的碱熔方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52156844A (en) 1976-06-21 1977-12-27 Sumitomo Chem Co Ltd Preparation of 8-amino-1-naphthol-3,6-disulfonic acid
DE2716030C3 (de) * 1977-04-09 1981-07-16 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von Monoalkalisalzes der 1-Amino-8-naphthol-3,6-disulfonsäure
DE2732266A1 (de) 1977-07-16 1979-02-01 Bayer Ag Verfahren zur herstellung von 1-amino-8-naphthol-3,6-disulfonsaeure (h-saeure)
DE2732291A1 (de) 1977-07-16 1979-02-01 Bayer Ag Verfahren zur herstellung von 1-amino-8-naphthol-3,6-disulfonsaeure (h-saeure)
US4325889A (en) 1978-08-04 1982-04-20 Bayer Aktiengesellschaft Process for the preparation of 1-amino-8-naphthol-3,6-disulphonic acid (H-acid)
DE2834166A1 (de) * 1978-08-04 1980-02-28 Bayer Ag Verfahren zur herstellung von 1-amino-8-naphthol-3,6-disulfonsaeure (h-saeure)
DE2843884A1 (de) * 1978-10-07 1980-04-24 Basf Ag Mittel, enthaltend 2-(retinyliden)- malonsaeurederivate

Also Published As

Publication number Publication date
DE3118147A1 (de) 1982-12-02
JPS57185257A (en) 1982-11-15
EP0064651B1 (de) 1984-06-20
DE3260272D1 (en) 1984-07-26
EP0064651A1 (de) 1982-11-17
US4426334A (en) 1984-01-17

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