GB1554671A - Preparation for separating sulphuric acid from naphtalene-1,3,6,trisulphonic acid - Google Patents

Preparation for separating sulphuric acid from naphtalene-1,3,6,trisulphonic acid

Info

Publication number
GB1554671A
GB1554671A GB2808077A GB2808077A GB1554671A GB 1554671 A GB1554671 A GB 1554671A GB 2808077 A GB2808077 A GB 2808077A GB 2808077 A GB2808077 A GB 2808077A GB 1554671 A GB1554671 A GB 1554671A
Authority
GB
United Kingdom
Prior art keywords
acid
naphtalene
preparation
trisulphonic
separating
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
GB2808077A
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.)
Sumitomo Chemical Co Ltd
Original Assignee
Sumitomo Chemical Co Ltd
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 JP8073476A external-priority patent/JPS5926618B2/en
Priority claimed from JP1111877A external-priority patent/JPS5926620B2/en
Application filed by Sumitomo Chemical Co Ltd filed Critical Sumitomo Chemical Co Ltd
Publication of GB1554671A publication Critical patent/GB1554671A/en
Expired 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
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00Sulfur; Compounds thereof
    • C01B17/69Sulfur trioxide; Sulfuric acid
    • C01B17/90Separation; Purification
    • C01B17/92Recovery from acid tar or the like, e.g. alkylation acids
GB2808077A 1976-07-06 1977-07-05 Preparation for separating sulphuric acid from naphtalene-1,3,6,trisulphonic acid Expired GB1554671A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP8073476A JPS5926618B2 (en) 1976-07-06 1976-07-06 Concentration separation method for naphthalene-1,3,6-trisulfonic acid
JP1111877A JPS5926620B2 (en) 1977-02-02 1977-02-02 Concentration separation method for naphthalene-1,3,6-trisulfonic acid

Publications (1)

Publication Number Publication Date
GB1554671A true GB1554671A (en) 1979-10-24

Family

ID=26346509

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2808077A Expired GB1554671A (en) 1976-07-06 1977-07-05 Preparation for separating sulphuric acid from naphtalene-1,3,6,trisulphonic acid

Country Status (2)

Country Link
DE (1) DE2730157C2 (en)
GB (1) GB1554671A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2853337A1 (en) * 1978-12-09 1980-06-26 Bayer Ag NEW NAPHTHALINE SULFURATION PRODUCTS, METHOD FOR THE PRODUCTION AND USE THEREOF

Also Published As

Publication number Publication date
DE2730157C2 (en) 1986-05-28
DE2730157A1 (en) 1978-01-12

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19920705