GB1603176A - Recovery of isophthalonitrile - Google Patents
Recovery of isophthalonitrile Download PDFInfo
- Publication number
- GB1603176A GB1603176A GB18335/78A GB1833578A GB1603176A GB 1603176 A GB1603176 A GB 1603176A GB 18335/78 A GB18335/78 A GB 18335/78A GB 1833578 A GB1833578 A GB 1833578A GB 1603176 A GB1603176 A GB 1603176A
- Authority
- GB
- United Kingdom
- Prior art keywords
- isophthalonitrile
- effluent
- quench
- liquid
- temperature
- 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
- C07C255/00—Carboxylic acid nitriles
- C07C255/49—Carboxylic acid nitriles having cyano groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton
- C07C255/50—Carboxylic acid nitriles having cyano groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton to carbon atoms of non-condensed six-membered aromatic rings
- C07C255/51—Carboxylic acid nitriles having cyano groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton to carbon atoms of non-condensed six-membered aromatic rings containing at least two cyano groups bound to the carbon skeleton
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 |
---|---|---|---|
US05/797,810 US4134910A (en) | 1977-05-17 | 1977-05-17 | Recovery of isophthalonitrile |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1603176A true GB1603176A (en) | 1981-11-18 |
Family
ID=25171860
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB18335/78A Expired GB1603176A (en) | 1977-05-17 | 1978-05-08 | Recovery of isophthalonitrile |
Country Status (6)
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS579860A (en) * | 1981-02-18 | 1982-01-19 | Daido Steel Co Ltd | Free cutting steel for high-performance gear and its manufacture |
US4502997A (en) * | 1983-03-04 | 1985-03-05 | The Lummus Company | Treatment of purge gas |
US5045156A (en) * | 1991-01-09 | 1991-09-03 | Nalco Chemical Company | Distillation of isophthalonitrile with a hydrocarbon liquid |
US5605606A (en) * | 1993-07-19 | 1997-02-25 | Nalco/Exxon Energy Chemicals. L.P. | Removal foulants from distillation train using non-solvent precipitation |
JP4747417B2 (ja) * | 2000-04-04 | 2011-08-17 | 三菱瓦斯化学株式会社 | ニトリル化合物の製造方法 |
JP4929523B2 (ja) * | 2000-09-21 | 2012-05-09 | 三菱瓦斯化学株式会社 | イソフタロニトリルの製造方法 |
JP4729779B2 (ja) * | 2000-09-25 | 2011-07-20 | 三菱瓦斯化学株式会社 | キシリレンジアミンの製造方法 |
JP5017756B2 (ja) * | 2001-07-16 | 2012-09-05 | 三菱瓦斯化学株式会社 | 高純度メタキシリレンジアミンの製造方法 |
JP5017755B2 (ja) * | 2001-07-16 | 2012-09-05 | 三菱瓦斯化学株式会社 | 高純度キシリレンジアミンの製造方法 |
DE10341633A1 (de) * | 2003-09-10 | 2005-04-28 | Basf Ag | Verfahren zur Herstellung von Xylylendiamin |
DE10341614A1 (de) * | 2003-09-10 | 2005-04-28 | Basf Ag | Verfahren zur Herstellung von Xylylendiamin (XDA) |
CA2953141C (en) * | 2014-07-01 | 2023-11-07 | Anellotech, Inc. | Improved processes for recovering valuable components from a catalytic fast pyrolysis process |
JP6773261B1 (ja) * | 2019-03-29 | 2020-10-21 | 三菱瓦斯化学株式会社 | ニトリル化合物の製造方法 |
CN110590603B (zh) * | 2019-10-17 | 2021-12-07 | 江苏新河农用化工有限公司 | 一种间苯二甲腈连续精馏提纯方法 |
JPWO2021172499A1 (US07709020-20100504-C00041.png) * | 2020-02-28 | 2021-09-02 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2842584A (en) * | 1956-12-11 | 1958-07-08 | Carbogen Corp | Production of succinonitrile |
US3472891A (en) * | 1966-02-08 | 1969-10-14 | Showa Denko Kk | Process for continuous recovery of dicyanobenzenes |
DE1618152C2 (de) * | 1967-05-06 | 1975-05-07 | Basf Ag, 6700 Ludwigshafen | Verfahren zum Abscheiden von Phthalsäuredinitrilen aus Phthalsäuredinitril enthaltenden Reaktionsgasen |
DE1569676B1 (de) * | 1967-09-16 | 1970-05-14 | Basf Ag | Verfahren zur Herstellung von metallhaltigen Phthalocyaninen |
US3732275A (en) * | 1970-12-30 | 1973-05-08 | Basf Ag | Separating phthalonitriles from reaction gases containing the same |
US3801620A (en) * | 1971-08-23 | 1974-04-02 | Sun Research Development | Separation of liquid isophthalonitrile |
US3839402A (en) * | 1973-02-05 | 1974-10-01 | Sun Research Development | Purification of aromatic nitriles |
-
1977
- 1977-05-17 US US05/797,810 patent/US4134910A/en not_active Expired - Lifetime
-
1978
- 1978-05-08 GB GB18335/78A patent/GB1603176A/en not_active Expired
- 1978-05-10 JP JP5543778A patent/JPS5416445A/ja active Pending
- 1978-05-11 DE DE2820599A patent/DE2820599C2/de not_active Expired
- 1978-05-17 FR FR7814531A patent/FR2391193A1/fr active Granted
- 1978-05-17 NL NL7805326A patent/NL7805326A/xx not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
NL7805326A (nl) | 1978-11-21 |
JPS5416445A (en) | 1979-02-07 |
DE2820599A1 (de) | 1978-11-30 |
US4134910A (en) | 1979-01-16 |
DE2820599C2 (de) | 1987-02-19 |
FR2391193B1 (US07709020-20100504-C00041.png) | 1983-10-28 |
FR2391193A1 (fr) | 1978-12-15 |
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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 |
Effective date: 19930508 |