BE784559A - Procede pour preparer des lactames - Google Patents
Procede pour preparer des lactamesInfo
- Publication number
- BE784559A BE784559A BE784559A BE784559A BE784559A BE 784559 A BE784559 A BE 784559A BE 784559 A BE784559 A BE 784559A BE 784559 A BE784559 A BE 784559A BE 784559 A BE784559 A BE 784559A
- Authority
- BE
- Belgium
- Prior art keywords
- preparing lactams
- lactams
- preparing
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D201/00—Preparation, separation, purification or stabilisation of unsubstituted lactams
- C07D201/16—Separation or purification
-
- 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
- C01B17/48—Sulfur dioxide; Sulfurous acid
- C01B17/50—Preparation of sulfur dioxide
- C01B17/501—Preparation of sulfur dioxide by reduction of sulfur compounds
- C01B17/504—Preparation of sulfur dioxide by reduction of sulfur compounds of ammonium sulfates
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C1/00—Ammonia; Compounds thereof
- C01C1/24—Sulfates of ammonium
-
- 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
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Cephalosporin Compounds (AREA)
- Hydrogenated Pyridines (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19712130036 DE2130036B2 (de) | 1971-06-18 | 1971-06-18 | Verfahren zur herstellung von lactamen |
Publications (1)
Publication Number | Publication Date |
---|---|
BE784559A true BE784559A (fr) | 1972-10-02 |
Family
ID=5810994
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE784559A BE784559A (fr) | 1971-06-18 | 1972-06-08 | Procede pour preparer des lactames |
Country Status (11)
Country | Link |
---|---|
US (1) | US4054562A (it) |
JP (1) | JPS4917276B1 (it) |
AT (1) | AT318642B (it) |
BE (1) | BE784559A (it) |
CH (1) | CH591442A5 (it) |
DE (1) | DE2130036B2 (it) |
ES (1) | ES404007A1 (it) |
FR (1) | FR2141794B1 (it) |
GB (1) | GB1379126A (it) |
IT (1) | IT956409B (it) |
NL (1) | NL7207713A (it) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL7601061A (nl) * | 1976-02-03 | 1977-08-05 | Stamicarbon | Werkwijze voor het winnen van epsilon-caprolac- tam uit een epsilon-caprolactamzwavelzuur-reac- tiemengsel. |
NL7607047A (nl) * | 1976-06-28 | 1977-12-30 | Stamicarbon | Werkwijze voor het winnen van epsilon-caprolac- tam uit een epsilon-caprolactam-zwavelzuur- -reactiemengsel. |
NL7700882A (nl) * | 1977-01-28 | 1978-08-01 | Stamicarbon | Werkwijze voor het winnen van epsilon-caprolac- tam uit een epsilon-caprolactamzwavelzuurreac- tiemengsel. |
DE2845019A1 (de) * | 1978-10-16 | 1980-04-30 | Basf Ag | Verfahren zur kontinuierlichen herstellung von epsilon -caprolactam durch beckmann'sche umlagerung |
IL64712A (en) * | 1982-01-05 | 1984-07-31 | Fertilizer Dev Sa | Process for recovering sulfuric acid and ammonia from diammonium sulfate |
GB8610856D0 (en) * | 1986-05-02 | 1986-06-11 | Boc Group Plc | Treatment of waste material |
US5498790A (en) * | 1993-06-09 | 1996-03-12 | Novus International, Inc. | Regeneration of sulfuric acid from sulfate by-products of 2-hydroxy-4-(methylthio)butyric acid manufacture |
US6469163B1 (en) * | 1998-12-24 | 2002-10-22 | Praxair Technology Inc. | Method for production of hydroxylamine sulfate in the conventional process for the synthesis of caprolactam |
US7022844B2 (en) | 2002-09-21 | 2006-04-04 | Honeywell International Inc. | Amide-based compounds, production, recovery, purification and uses thereof |
WO2016156932A1 (en) | 2015-04-02 | 2016-10-06 | Anthea Aromatics Private Limited | An efficient process for the synthesis of cyclic amides |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3133055A (en) * | 1964-05-12 | Production ofcaprolactam | ||
US2221369A (en) * | 1940-11-12 | Process foe producing lactams | ||
NL282684A (it) * | 1961-08-30 | 1900-01-01 | ||
DE1199243B (de) * | 1963-07-10 | 1965-08-26 | Huels Chemische Werke Ag | Verfahren zur Herstellung schwefeldioxydhaltiger Gase aus ammoniumsalzhaltigen Abfallschwefelsaeuren |
NL136780C (it) * | 1963-10-31 | |||
GB1084096A (it) * | 1963-12-03 | 1900-01-01 | ||
DE1229995B (de) * | 1964-01-17 | 1966-12-08 | Chemiebau Dr A Zieren Ges Mit | Verfahren zur Gewinnung von Ammoniak und Schwefeldioxyd |
NL135679C (it) * | 1968-11-12 | 1900-01-01 | ||
GB1367241A (en) * | 1971-02-19 | 1974-09-18 | Zieren Chemiebau Gmbh Dr A | Process for the combustion of ammonium sulphate |
DE2110036C3 (de) * | 1971-03-03 | 1975-10-02 | Davy Powergas Gmbh, 5000 Koeln | Verfahren zur Spaltung von Ammoniumsulfat |
CA989830A (en) * | 1971-05-07 | 1976-05-25 | Abraham H. De Rooij | Process for preparing and recovering lactams |
NL164028C (nl) * | 1971-05-07 | 1980-11-17 | Stamicarbon | Werkwijze voor de afscheiding van lactamen. |
-
1971
- 1971-06-18 DE DE19712130036 patent/DE2130036B2/de not_active Withdrawn
-
1972
- 1972-03-29 GB GB1471072A patent/GB1379126A/en not_active Expired
- 1972-05-11 JP JP47046833A patent/JPS4917276B1/ja active Pending
- 1972-06-07 NL NL7207713A patent/NL7207713A/xx unknown
- 1972-06-08 AT AT492872A patent/AT318642B/de not_active IP Right Cessation
- 1972-06-08 FR FR7220559A patent/FR2141794B1/fr not_active Expired
- 1972-06-08 BE BE784559A patent/BE784559A/xx unknown
- 1972-06-09 US US05/261,219 patent/US4054562A/en not_active Expired - Lifetime
- 1972-06-09 IT IT25479/72A patent/IT956409B/it active
- 1972-06-15 CH CH896172A patent/CH591442A5/xx not_active IP Right Cessation
- 1972-06-17 ES ES404007A patent/ES404007A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2141794A1 (it) | 1973-01-26 |
ES404007A1 (es) | 1975-06-01 |
JPS4917276B1 (it) | 1974-04-27 |
GB1379126A (en) | 1975-01-02 |
DE2130036A1 (de) | 1973-01-04 |
DE2130036B2 (de) | 1977-02-10 |
CH591442A5 (it) | 1977-09-15 |
US4054562A (en) | 1977-10-18 |
IT956409B (it) | 1973-10-10 |
NL7207713A (it) | 1972-12-20 |
FR2141794B1 (it) | 1977-12-23 |
AT318642B (de) | 1974-11-11 |
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