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 acidInfo
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C303/00—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides
- C07C303/42—Separation; Purification; Stabilisation; Use of additives
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/69—Sulfur trioxide; Sulfuric acid
- C01B17/90—Separation; Purification
- C01B17/92—Recovery from acid tar or the like, e.g. alkylation acids
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
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)
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 |
-
1977
- 1977-07-04 DE DE19772730157 patent/DE2730157C2/en not_active Expired
- 1977-07-05 GB GB2808077A patent/GB1554671A/en not_active Expired
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 |