IN170425B - - Google Patents
Info
- Publication number
- IN170425B IN170425B IN913/MAS/87A IN913MA1987A IN170425B IN 170425 B IN170425 B IN 170425B IN 913MA1987 A IN913MA1987 A IN 913MA1987A IN 170425 B IN170425 B IN 170425B
- Authority
- IN
- India
Links
Classifications
-
- 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
-
- 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
- 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
- C07C303/44—Separation; Purification
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/54—Improvements relating to the production of bulk chemicals using solvents, e.g. supercritical solvents or ionic liquids
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Extraction Or Liquid Replacement (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
- Epoxy Compounds (AREA)
- Treatment Of Sludge (AREA)
- Developing Agents For Electrophotography (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT8622815A IT1213575B (it) | 1986-12-23 | 1986-12-23 | Procedimenti per la separazione di acido solforico da miscele acquose dello stesso con acidi paraffisolfonici. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IN170425B true IN170425B (US07935481-20110503-C00025.png) | 1992-03-21 |
Family
ID=11200755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN913/MAS/87A IN170425B (US07935481-20110503-C00025.png) | 1986-12-23 | 1987-12-21 |
Country Status (13)
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008032723A1 (de) | 2008-07-11 | 2010-01-14 | Clariant International Limited | Verfahren zur Isolierung von Paraffinsulfonsäuren |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB343530A (en) * | 1929-07-01 | 1931-02-19 | Stanislaw Pilat | Improvements in or relating to processes for the production of sulphonic acids |
| US2223194A (en) * | 1938-07-09 | 1940-11-26 | Atlantic Refining Co | Recovery of petroleum sulphonic compounds |
| US2530757A (en) * | 1945-12-04 | 1950-11-21 | Standard Oil Co | Extraction of sulfuric acid sludge |
| US2556256A (en) * | 1948-06-07 | 1951-06-12 | Standard Oil Dev Co | Fractional separation of sulfonic acids |
| GB699341A (en) * | 1949-10-12 | 1953-11-04 | Lobitos Oilfields Ltd | Improvements in or relating to the extraction of sulphonic acids from acid sludge by-products of mineral oils |
| BE664560A (US07935481-20110503-C00025.png) * | 1964-05-27 | |||
| GB1194699A (en) * | 1967-12-28 | 1970-06-10 | Hoechst Ag | Paraffin Sulphonic Acids and Process for their Manufacture |
| US4178307A (en) * | 1970-08-07 | 1979-12-11 | Ato Chimie | Process for preparing sulphonic acids and sulphonates |
| US3960938A (en) * | 1971-03-01 | 1976-06-01 | Texaco Trinidad, Inc. | Extraction of sulfuric acid from sulfuric acid-sulfonic acid mixtures |
| US4321214A (en) * | 1976-03-01 | 1982-03-23 | Standard Oil Company (Indiana) | Extreme purification of sulfonic-type acids for processing to highly overbased metal sulfonates |
| DE3013808C2 (de) * | 1980-04-10 | 1982-12-23 | Chemische Werke Hüls AG, 4370 Marl | Verfahren zur Abtennung von Schwefelsäure aus dem bei der Umsetzung von Paraffinen mit Schwefeldioxid, Sauerstoff und Wasser in Gegenwart von UV-Licht anfallenden Sulfoxidationsaustrag |
| DE3048058C2 (de) * | 1980-12-19 | 1983-04-28 | Hoechst Ag, 6230 Frankfurt | Verfahren zur Abtrennung von Schwefelsäure aus dem bei der Sulfoxidation von n-Paraffinen anfallenden rohen Sulfonierungsgemisch |
| DE3325516A1 (de) * | 1983-07-15 | 1985-01-24 | Hoechst Ag, 6230 Frankfurt | Verfahren zur schonenden isolierung von paraffinsulfonat und schwefelsaeure aus paraffin-sulfoxidations-reaktionsgemischen |
| DE3412844A1 (de) * | 1984-04-05 | 1985-10-17 | Hoechst Ag, 6230 Frankfurt | Verfahren zur abtrennung der restlichen schwefelsaeure aus dem bei der sulfoxidation von paraffinen anfallenden reaktionsgemisch |
-
1986
- 1986-12-23 IT IT8622815A patent/IT1213575B/it active
-
1987
- 1987-12-18 EP EP87202569A patent/EP0273523B1/en not_active Expired - Lifetime
- 1987-12-18 DE DE8787202569T patent/DE3761976D1/de not_active Expired - Lifetime
- 1987-12-18 AT AT87202569T patent/ATE51222T1/de not_active IP Right Cessation
- 1987-12-18 ES ES87202569T patent/ES2015570B3/es not_active Expired - Lifetime
- 1987-12-21 IN IN913/MAS/87A patent/IN170425B/en unknown
- 1987-12-23 CA CA000555288A patent/CA1297903C/en not_active Expired - Lifetime
- 1987-12-23 TR TR14/88A patent/TR23096A/xx unknown
- 1987-12-23 CN CN87108388A patent/CN1015980B/zh not_active Expired
- 1987-12-23 JP JP62324167A patent/JPH0798792B2/ja not_active Expired - Lifetime
- 1987-12-23 KR KR1019870014824A patent/KR900007833B1/ko not_active IP Right Cessation
-
1990
- 1990-03-22 US US07/498,443 patent/US5047580A/en not_active Expired - Fee Related
- 1990-04-27 GR GR90400248T patent/GR3000459T3/el unknown
Also Published As
| Publication number | Publication date |
|---|---|
| IT1213575B (it) | 1989-12-20 |
| KR880007354A (ko) | 1988-08-27 |
| CN1015980B (zh) | 1992-03-25 |
| TR23096A (tr) | 1989-03-15 |
| KR900007833B1 (ko) | 1990-10-20 |
| EP0273523B1 (en) | 1990-03-21 |
| CN87108388A (zh) | 1988-07-13 |
| JPH0798792B2 (ja) | 1995-10-25 |
| US5047580A (en) | 1991-09-10 |
| JPS63166857A (ja) | 1988-07-11 |
| DE3761976D1 (de) | 1990-04-26 |
| ATE51222T1 (de) | 1990-04-15 |
| ES2015570B3 (es) | 1990-09-01 |
| IT8622815A0 (it) | 1986-12-23 |
| EP0273523A1 (en) | 1988-07-06 |
| GR3000459T3 (en) | 1991-06-28 |
| CA1297903C (en) | 1992-03-24 |
