NL7115835A - - Google Patents
Info
- Publication number
- NL7115835A NL7115835A NL7115835A NL7115835A NL7115835A NL 7115835 A NL7115835 A NL 7115835A NL 7115835 A NL7115835 A NL 7115835A NL 7115835 A NL7115835 A NL 7115835A NL 7115835 A NL7115835 A NL 7115835A
- Authority
- NL
- Netherlands
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C255/00—Carboxylic acid nitriles
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S203/00—Distillation: processes, separatory
- Y10S203/03—Acrylonitrile
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Extraction Or Liquid Replacement (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2102886A DE2102886B2 (de) | 1971-01-22 | 1971-01-22 | Verfahren zur Gewinnung von reinem Acetonitril |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7115835A true NL7115835A (OSRAM) | 1972-07-25 |
Family
ID=5796597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7115835A NL7115835A (OSRAM) | 1971-01-22 | 1971-11-17 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3870746A (OSRAM) |
| JP (1) | JPS5328413B1 (OSRAM) |
| BE (1) | BE778325A (OSRAM) |
| DE (1) | DE2102886B2 (OSRAM) |
| FR (1) | FR2122858A5 (OSRAM) |
| GB (1) | GB1377232A (OSRAM) |
| NL (1) | NL7115835A (OSRAM) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4141826A (en) * | 1977-03-30 | 1979-02-27 | The Standard Oil Company | Treatment of acrylonitrile waste water with activated carbon |
| WO1993023366A1 (en) * | 1992-05-21 | 1993-11-25 | Cryodyne Technologies Inc. | Method for purification of acetonitrile |
| US5426208A (en) * | 1992-05-21 | 1995-06-20 | Cryodyne Technologies, Inc. | Method of purification of acetonitrile |
| JP4750345B2 (ja) * | 2000-07-18 | 2011-08-17 | イネオス・ユーエスエイ・エルエルシー | 改良されたアセトニトリルの精製及び回収方法 |
| US20120073954A1 (en) * | 2010-09-28 | 2012-03-29 | Romas Cesas | Recovery of acetonitrile from a waste stream |
| CN109052774A (zh) * | 2018-06-21 | 2018-12-21 | 天津中昊天久工程技术有限公司 | 溶剂可循环高效乙腈废水回收系统 |
| CN113461568A (zh) * | 2021-06-24 | 2021-10-01 | 索闻特环保科技(上海)有限公司 | 处理乙腈废液中甲苯的方法 |
| CN114634423B (zh) * | 2022-02-25 | 2024-08-27 | 国药集团威奇达药业有限公司 | 从7-act合成产生的乙腈母液中连续回收乙腈的方法 |
| JP2025512885A (ja) | 2022-03-30 | 2025-04-22 | ドナルドソン カンパニー，インコーポレイティド | 溶媒を再利用するためのシステム及び方法 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2463629A (en) * | 1946-10-30 | 1949-03-08 | American Cyanamid Co | Azeotropic distillation of acetonitrile-trichloracetonitrile mixtures |
| NL262785A (OSRAM) * | 1960-04-07 | |||
| DE1212962B (de) * | 1960-08-12 | 1966-03-24 | Knapsack Ag | Verfahren zur Abtrennung und Gewinnung von Acrylsaeurenitril und Ammoniak aus gasfoermigen Gemischen durch Auswaschen |
| US3281450A (en) * | 1963-09-27 | 1966-10-25 | Goodrich Co B F | Purification of acetonitrile |
| US3451899A (en) * | 1965-12-21 | 1969-06-24 | Badger Co | Purification of acetonitrile by an azeotropic distillation method |
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1971
- 1971-01-22 DE DE2102886A patent/DE2102886B2/de active Granted
- 1971-11-17 NL NL7115835A patent/NL7115835A/xx not_active Application Discontinuation
- 1971-12-16 FR FR7145309A patent/FR2122858A5/fr not_active Expired
-
1972
- 1972-01-13 GB GB165572A patent/GB1377232A/en not_active Expired
- 1972-01-14 US US217843A patent/US3870746A/en not_active Expired - Lifetime
- 1972-01-19 JP JP754672A patent/JPS5328413B1/ja active Pending
- 1972-01-20 BE BE778325A patent/BE778325A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2102886C3 (OSRAM) | 1974-11-07 |
| JPS5328413B1 (OSRAM) | 1978-08-15 |
| US3870746A (en) | 1975-03-11 |
| BE778325A (fr) | 1972-05-16 |
| GB1377232A (en) | 1974-12-11 |
| DE2102886A1 (de) | 1972-08-10 |
| DE2102886B2 (de) | 1974-03-14 |
| FR2122858A5 (OSRAM) | 1972-09-01 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| DNT | Communications of changes of names of applicants whose applications have been laid open to public inspection |
Free format text: DEGUSSA AKTIENGESELLSCHAFT |
|
| BV | The patent application has lapsed |