GB1234589A - - Google Patents
Info
- Publication number
- GB1234589A GB1234589A GB1234589DA GB1234589A GB 1234589 A GB1234589 A GB 1234589A GB 1234589D A GB1234589D A GB 1234589DA GB 1234589 A GB1234589 A GB 1234589A
- Authority
- GB
- United Kingdom
- Prior art keywords
- acid
- biphenyldisulphonic
- temperature
- mixture
- sulphur dioxide
- 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
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 abstract 6
- 239000000203 mixture Substances 0.000 abstract 3
- 235000010269 sulphur dioxide Nutrition 0.000 abstract 3
- 239000004291 sulphur dioxide Substances 0.000 abstract 3
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical compound C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 abstract 2
- 238000004519 manufacturing process Methods 0.000 abstract 2
- 239000011541 reaction mixture Substances 0.000 abstract 2
- 238000010992 reflux Methods 0.000 abstract 2
- AKEJUJNQAAGONA-UHFFFAOYSA-N sulfur trioxide Chemical compound O=S(=O)=O AKEJUJNQAAGONA-UHFFFAOYSA-N 0.000 abstract 2
- 235000010290 biphenyl Nutrition 0.000 abstract 1
- 239000004305 biphenyl Substances 0.000 abstract 1
- 230000008020 evaporation Effects 0.000 abstract 1
- 238000001704 evaporation Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 239000007787 solid Substances 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C309/00—Sulfonic acids; Halides, esters, or anhydrides thereof
-
- 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
- Y02P20/141—Feedstock
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US68716067A | 1967-12-01 | 1967-12-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1234589A true GB1234589A (cs) | 1971-06-03 |
Family
ID=24759319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1234589D Expired GB1234589A (cs) | 1967-12-01 | 1968-10-18 |
Country Status (7)
| Country | Link |
|---|---|
| BE (1) | BE722620A (cs) |
| CH (1) | CH501601A (cs) |
| DE (1) | DE1804693A1 (cs) |
| DK (1) | DK118658B (cs) |
| FR (1) | FR1588033A (cs) |
| GB (1) | GB1234589A (cs) |
| LU (1) | LU57150A1 (cs) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4973650A (en) * | 1989-06-09 | 1990-11-27 | General Electric Company | Polyarylsulfone derived from 1,4"-(bishalophenylsulfone)terphenyl |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1236425B (de) * | 1962-05-12 | 1967-03-09 | Gerresheimer Glas Ag | Filterring fuer Muffendraenrohre |
| DE1263627B (de) * | 1963-07-27 | 1968-03-14 | Dr Rainer Kowald | Draenung mit an den Stossstellen des Draenrohrstranges angebrachten Filterkoerpern, Verfahren zur Herstellung der an den Stossstellen angebrachten Filterkoerper und Draenmaschine zur Ausuebung des Verfahrens |
| DE1298457B (de) * | 1966-06-02 | 1969-06-26 | Baar Heinz Joachim | Doppelsteckmuffe fuer Tonrohrdraenagen |
| GB2105713B (en) * | 1981-07-23 | 1985-06-12 | Sugai Chemical Ind Co Ltd | Process for producing 4,4'-diphenyldisulfonic acid and its monopotassium salt |
| DE3402622C2 (de) * | 1984-01-26 | 1986-10-30 | Bayer Ag, 5090 Leverkusen | Verfahren zur Herstellung von Diphenyl-4,4'-disulfonsäure |
-
1968
- 1968-10-18 GB GB1234589D patent/GB1234589A/en not_active Expired
- 1968-10-21 BE BE722620D patent/BE722620A/xx unknown
- 1968-10-22 CH CH1577068A patent/CH501601A/de not_active IP Right Cessation
- 1968-10-23 FR FR1588033D patent/FR1588033A/fr not_active Expired
- 1968-10-23 DK DK512268AA patent/DK118658B/da unknown
- 1968-10-23 DE DE19681804693 patent/DE1804693A1/de active Pending
- 1968-10-23 LU LU57150D patent/LU57150A1/xx unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4973650A (en) * | 1989-06-09 | 1990-11-27 | General Electric Company | Polyarylsulfone derived from 1,4"-(bishalophenylsulfone)terphenyl |
Also Published As
| Publication number | Publication date |
|---|---|
| BE722620A (cs) | 1969-04-01 |
| FR1588033A (cs) | 1970-04-03 |
| DK118658B (da) | 1970-09-21 |
| DE1804693A1 (de) | 1969-06-12 |
| CH501601A (de) | 1971-01-15 |
| LU57150A1 (cs) | 1969-01-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB1234589A (cs) | ||
| GB1188791A (en) | Olefin Oxides | |
| GB1190303A (en) | Process for the production of neopentylglycol-carboxylic acid-carbonic acid mixed esters | |
| GB1278874A (en) | Separation of components from a reaction product mixture of water, isobutyric acid and methacrylic acid | |
| GB1171273A (en) | Alkane Sulfonic and Percarboxylic Acids | |
| GB1468647A (en) | Process for the preparation of 2-nitro-4,6-dichloro-5-methyl phenol | |
| GB1381730A (en) | Process for the industrial manufacture of dinitrostilbene disulphonic acid | |
| GB1393929A (en) | Production of di-4-chlorophenyl sulphone | |
| GB1444565A (en) | Process for conversion of alkyl transchrysantemates in admixture with alkyl cis-chrysanthemates to the corresponding acid | |
| GB1258460A (cs) | ||
| GB1264275A (cs) | ||
| GB1172632A (en) | Improvements in or relating to Processes for the Preparation of Naphthalene Disulfonic Acid. | |
| GB1256288A (en) | Process for recovering methyl methacrylate | |
| GB1276774A (en) | Process for the preparation of isocyanates | |
| IE32184B1 (en) | Process for preparing 4-fluoro-3-nitroaniline | |
| GB876487A (en) | Preparation of acetonedicarboxylic acid and esters thereof | |
| GB1377588A (en) | Process for preparing dinitroanthraquinones | |
| GB1294153A (en) | Process for the preparation of 4-bromo-2,5-dichlorophenol | |
| GB1362909A (en) | Purification of inorganic compounds | |
| JPS5344528A (en) | Separation of dihalogenobenzenes | |
| GB1351453A (en) | Preparation of 4,4-dichlorodiphenyl sulphone | |
| GB1148975A (en) | Dihydroxy diphenyl sulfone and its preparation | |
| SU381400A1 (ru) | Способ флотации калийных руд | |
| GB1332090A (en) | Optical resolution of salts of dl-2-pyrolidone-5-carboxylic acid | |
| GB1417363A (en) | Process for the production of 4,5-imidazoledicarboxyamide |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |