DE68912878D1 - Integriertes Verfahren zur Herstellung von Aminoacetonitrilen. - Google Patents
Integriertes Verfahren zur Herstellung von Aminoacetonitrilen.Info
- Publication number
- DE68912878D1 DE68912878D1 DE89250068T DE68912878T DE68912878D1 DE 68912878 D1 DE68912878 D1 DE 68912878D1 DE 89250068 T DE89250068 T DE 89250068T DE 68912878 T DE68912878 T DE 68912878T DE 68912878 D1 DE68912878 D1 DE 68912878D1
- Authority
- DE
- Germany
- Prior art keywords
- aminoacetonitriles
- formaldehyde
- reactor
- unpurified
- crude
- 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 - Fee Related
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C255/00—Carboxylic acid nitriles
- C07C255/01—Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms
- C07C255/24—Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms containing cyano groups and singly-bound nitrogen atoms, not being further bound to other hetero atoms, bound to the same saturated acyclic carbon skeleton
- C07C255/25—Aminoacetonitriles
-
- 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
- Y02P20/10—Process efficiency
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Apparatus For Disinfection Or Sterilisation (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/264,413 US4895971A (en) | 1988-10-31 | 1988-10-31 | Process for the production of iminodiacetonitrile |
Publications (2)
Publication Number | Publication Date |
---|---|
DE68912878D1 true DE68912878D1 (de) | 1994-03-17 |
DE68912878T2 DE68912878T2 (de) | 1994-05-19 |
Family
ID=23005972
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE68912878T Expired - Fee Related DE68912878T2 (de) | 1988-10-31 | 1989-10-31 | Integriertes Verfahren zur Herstellung von Aminoacetonitrilen. |
Country Status (6)
Country | Link |
---|---|
US (1) | US4895971A (de) |
EP (1) | EP0367364B1 (de) |
AT (1) | ATE101123T1 (de) |
CA (1) | CA1340024C (de) |
DE (1) | DE68912878T2 (de) |
ES (1) | ES2061961T3 (de) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5008428A (en) * | 1989-10-26 | 1991-04-16 | W. R. Grace & Co.-Conn. | Integrated process for the production of aminoacetonitriles |
US5187301A (en) * | 1989-10-26 | 1993-02-16 | W. R. Grace & Co.-Conn. | Preparation of iminodiacetonitrile from glycolonitrile |
US5616772A (en) * | 1995-06-06 | 1997-04-01 | Hampshire Chemical Corp. | Method of stabilizing nitriles |
US5648483A (en) * | 1995-06-07 | 1997-07-15 | The Procter & Gamble Company | Continuous transesterification method for preparing polyol polyesters |
US5844111A (en) * | 1995-06-07 | 1998-12-01 | The Procter & Gamble Company | Method for purifying an inert gas while preparing lower alkyl esters |
TW589297B (en) * | 2000-05-15 | 2004-06-01 | Monsanto Co | Process for making iminodiacetic acid compounds from monoethanolamine substrates |
WO2008104578A1 (de) * | 2007-03-01 | 2008-09-04 | Basf Se | Verfahren zur herstellung von ethylenaminen aus roh-aan |
US8153845B2 (en) * | 2007-03-01 | 2012-04-10 | Basf Se | Method for producing aminonitriles |
EP2350212A4 (de) * | 2008-11-07 | 2012-05-23 | Huntsman Petrochemical Llc | Polyaminoacetonitrile sowie verfahren zu ihrer herstellung und verwendung |
CN105017074B (zh) * | 2015-06-16 | 2017-10-03 | 重庆紫光化工股份有限公司 | 亚氨基二乙腈生产母液的处理回收方法及装置 |
CN105001121B (zh) * | 2015-06-16 | 2017-09-22 | 重庆紫光化工股份有限公司 | 亚氨基二乙腈生产母液的资源化利用方法及装置 |
CN113402407A (zh) * | 2021-06-16 | 2021-09-17 | 上海蓝科石化环保科技股份有限公司 | 一种羟基乙腈氨化反应装置及工艺 |
Family Cites Families (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE669808C (de) * | 1935-12-05 | 1939-01-04 | Bergwerksverband Zur Verwertun | Verfahren zur Herstellung von Aminonitrilen |
US2608380A (en) * | 1947-12-03 | 1952-08-26 | Union Carbide & Carbon Corp | Shaft seal for low-temperature expansion engines |
US2794044A (en) * | 1955-08-30 | 1957-05-28 | Du Pont | Synthesis of iminodiacetonitrile |
NL135576C (de) * | 1958-09-12 | |||
US3167580A (en) * | 1962-04-12 | 1965-01-26 | American Cyanamid Co | Process for the preparation of iminodiacetonitrile |
US3337607A (en) * | 1965-01-25 | 1967-08-22 | Process for preparation of an amine nitrile | |
US3984453A (en) * | 1966-04-26 | 1976-10-05 | Stauffer Chemical Company | Process for preparing nitrilotriacetonitrile |
US3907858A (en) * | 1967-10-30 | 1975-09-23 | Stauffer Chemical Co | Process of manufacturing nitrilotriacetonitrile |
US3862203A (en) * | 1967-12-18 | 1975-01-21 | Stauffer Chemical Co | Process of manufacturing nitrilotriacetonitrile |
US3950384A (en) * | 1970-05-26 | 1976-04-13 | Hoechst Aktiengesellschaft | Process for the manufacture of nitrilotriacetonitrile |
US3840581A (en) * | 1970-05-26 | 1974-10-08 | Knapsack Ag | Process for the manufacture of nitrilotriacetonitrile |
US3959342A (en) * | 1970-08-24 | 1976-05-25 | Bethlehem Steel Corporation | Process for the preparation of nitrilotriacetonitrile (NTN) |
US3925448A (en) * | 1970-09-30 | 1975-12-09 | Ethyl Corp | Process for producing nitrilotriacetonitrile |
US3856844A (en) * | 1970-12-11 | 1974-12-24 | Ethyl Corp | Chemical process |
US3714335A (en) * | 1971-01-29 | 1973-01-30 | Ethyl Corp | Process for producing hf and nitrilotriacetonitrile |
US3864378A (en) * | 1973-02-05 | 1975-02-04 | Bethlehem Steel Corp | Process for preparing 2-hydroxyethyliminodiacetonitrile |
US3988360A (en) * | 1973-11-15 | 1976-10-26 | W. R. Grace & Co. | Process for preparing iminodiacetonitrile |
US3993681A (en) * | 1975-04-04 | 1976-11-23 | W. R. Grace & Co. | Process for preparing iminodiacetonitrile |
DE2942437A1 (de) * | 1979-10-20 | 1981-04-23 | Degussa Ag, 6000 Frankfurt | Verfahren zur herstellung von iminodiacetonitril |
DE3029205A1 (de) * | 1980-08-01 | 1982-03-11 | Basf Ag, 6700 Ludwigshafen | Verfahren zur herstellung von aminonitrilen |
EP0102343B1 (de) * | 1982-08-30 | 1986-02-26 | Monsanto Company | Verfahren zur Herstellung von Nitrilotriacetonitril |
US4731465A (en) * | 1982-08-30 | 1988-03-15 | Monsanto Company | Process for producing nitrilotriacetonitrile |
EP0102935B1 (de) * | 1982-08-30 | 1986-02-26 | Monsanto Company | Verfahren zur Herstellung von Nitrilotriacetonitril |
DE3242193A1 (de) * | 1982-11-15 | 1984-05-17 | Basf Ag, 6700 Ludwigshafen | Neue (alpha)-iminodiacetonitrile und verfahren zu ihrer herstellung |
US4485049A (en) * | 1983-01-03 | 1984-11-27 | Monsanto Company | Two-stage crystallization of nitrilotriacetonitrile from a hot solution |
DE3443462A1 (de) * | 1984-11-29 | 1986-05-28 | Basf Ag, 6700 Ludwigshafen | Verfahren zur herstellung von umsetzungsprodukten des cyanwasserstoffs |
US4661614A (en) * | 1986-03-06 | 1987-04-28 | Monsanto Company | Process for the preparation of iminodiacetonitrile |
-
1988
- 1988-10-31 US US07/264,413 patent/US4895971A/en not_active Expired - Lifetime
-
1989
- 1989-03-02 CA CA000592580A patent/CA1340024C/en not_active Expired - Fee Related
- 1989-10-31 EP EP89250068A patent/EP0367364B1/de not_active Expired - Lifetime
- 1989-10-31 ES ES89250068T patent/ES2061961T3/es not_active Expired - Lifetime
- 1989-10-31 AT AT89250068T patent/ATE101123T1/de not_active IP Right Cessation
- 1989-10-31 DE DE68912878T patent/DE68912878T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0367364B1 (de) | 1994-02-02 |
DE68912878T2 (de) | 1994-05-19 |
CA1340024C (en) | 1998-09-01 |
ATE101123T1 (de) | 1994-02-15 |
EP0367364A1 (de) | 1990-05-09 |
ES2061961T3 (es) | 1994-12-16 |
US4895971A (en) | 1990-01-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |