GB1369908A - Removal of mercury residues from anthraquinone-alpha-sulphonic acids - Google Patents

Removal of mercury residues from anthraquinone-alpha-sulphonic acids

Info

Publication number
GB1369908A
GB1369908A GB179072A GB179072A GB1369908A GB 1369908 A GB1369908 A GB 1369908A GB 179072 A GB179072 A GB 179072A GB 179072 A GB179072 A GB 179072A GB 1369908 A GB1369908 A GB 1369908A
Authority
GB
United Kingdom
Prior art keywords
anthraquinone
mercury
removal
sulphonic acid
residues
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
GB179072A
Other languages
English (en)
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.)
BASF SE
Original Assignee
BASF SE
Badische Anilin and Sodafabrik 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 BASF SE, Badische Anilin and Sodafabrik AG filed Critical BASF SE
Publication of GB1369908A publication Critical patent/GB1369908A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C309/00Sulfonic acids; Halides, esters, or anhydrides thereof
    • C07C309/01Sulfonic acids
    • C07C309/28Sulfonic acids having sulfo groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton
    • C07C309/33Sulfonic acids having sulfo groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton of six-membered aromatic rings being part of condensed ring systems
    • C07C309/38Sulfonic acids having sulfo groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton of six-membered aromatic rings being part of condensed ring systems formed by at least three rings

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Removal Of Specific Substances (AREA)
GB179072A 1971-01-16 1972-01-14 Removal of mercury residues from anthraquinone-alpha-sulphonic acids Expired GB1369908A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2102037A DE2102037B2 (de) 1971-01-16 1971-01-16 Verfahren zur Herstellung von weitgehend quecksilberfreier Anthrachinon-l-sulfonsäure- und von weitgehend quecksilberfreien Antrachinon-1,5-bzw. -1,8-disulfonsäuren

Publications (1)

Publication Number Publication Date
GB1369908A true GB1369908A (en) 1974-10-09

Family

ID=5796117

Family Applications (1)

Application Number Title Priority Date Filing Date
GB179072A Expired GB1369908A (en) 1971-01-16 1972-01-14 Removal of mercury residues from anthraquinone-alpha-sulphonic acids

Country Status (6)

Country Link
US (1) US3792065A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CH (1) CH563968A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2102037B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2122140A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1369908A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IT (1) IT948200B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4124606A (en) * 1976-12-08 1978-11-07 Buffalo Color Corporation Sulfonation of anthraquinone in sulfur dioxide solvent
US4942251A (en) * 1988-01-15 1990-07-17 China Technical Consultants, Inc. Process for producing α-anthraquinonesulfonic acids and recovering the catalyst used therein

Also Published As

Publication number Publication date
DE2102037A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1972-07-27
DE2102037B2 (de) 1975-07-03
FR2122140A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1972-08-25
US3792065A (en) 1974-02-12
CH563968A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1975-07-15
IT948200B (it) 1973-05-30

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee