DD114078A5 - - Google Patents
Info
- Publication number
- DD114078A5 DD114078A5 DD179427A DD17942774A DD114078A5 DD 114078 A5 DD114078 A5 DD 114078A5 DD 179427 A DD179427 A DD 179427A DD 17942774 A DD17942774 A DD 17942774A DD 114078 A5 DD114078 A5 DD 114078A5
- Authority
- DD
- German Democratic Republic
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
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
- E05Y2900/104—Application of doors, windows, wings or fittings thereof for buildings or parts thereof for elevators
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Other In-Based Heterocyclic Compounds (AREA)
- Fertilizers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL7308834A NL7308834A (it) | 1973-06-26 | 1973-06-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
DD114078A5 true DD114078A5 (it) | 1975-07-12 |
Family
ID=19819146
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DD179427A DD114078A5 (it) | 1973-06-26 | 1974-06-24 |
Country Status (19)
Country | Link |
---|---|
US (1) | US3907781A (it) |
JP (1) | JPS5036483A (it) |
AR (1) | AR199442A1 (it) |
AT (1) | AT334382B (it) |
AU (1) | AU476555B2 (it) |
BE (1) | BE816872A (it) |
BR (1) | BR7405226D0 (it) |
CS (1) | CS168478B2 (it) |
DD (1) | DD114078A5 (it) |
DE (1) | DE2430757A1 (it) |
ES (1) | ES427627A1 (it) |
FR (1) | FR2235121B1 (it) |
GB (1) | GB1434687A (it) |
IN (1) | IN139743B (it) |
IT (1) | IT1016162B (it) |
NL (1) | NL7308834A (it) |
SU (1) | SU552019A3 (it) |
TR (1) | TR18106A (it) |
ZA (1) | ZA744054B (it) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL7410450A (nl) * | 1974-08-05 | 1976-02-09 | Stamicarbon | Werkwijze voor het winnen van epsilon-capro- lactam uit een epsilon-caprolactamzwavelzuur reactiemengsel. |
NL7505130A (nl) * | 1975-05-01 | 1976-11-03 | Stamicarbon | Werkwijze voor de winning van zuiver epsilon- -caprolactam uit een waterige oplossing hiervan. |
DE2651195C3 (de) * | 1976-11-10 | 1985-01-31 | Basf Ag, 6700 Ludwigshafen | Verfahren zur Gewinnung von grobkristallinem reinem Ammonsulfat |
US4138472A (en) * | 1976-11-10 | 1979-02-06 | Basf Aktiengesellschaft | Process for obtaining coarsely crystalline pure ammonium sulfate |
DE2845019A1 (de) * | 1978-10-16 | 1980-04-30 | Basf Ag | Verfahren zur kontinuierlichen herstellung von epsilon -caprolactam durch beckmann'sche umlagerung |
FR2786180B1 (fr) * | 1998-11-19 | 2001-11-23 | Rhone Poulenc Fibres | Procede de traitement de lactames et procede de purification d'un lactame |
EP1092681A1 (de) * | 1999-10-13 | 2001-04-18 | Va Tech Wabag AG | Verfahren zum Neutralisieren einer Abfallsäure und gleichzeitigem Gewinnen von Salzkristallen |
US20130211038A1 (en) | 2010-07-02 | 2013-08-15 | Dsm Ip Assets B.V. | High temperature lactam neutralisation |
WO2013053377A1 (en) | 2011-10-10 | 2013-04-18 | Dsm Ip Assets B.V. | High temperature lactam neutralisation |
CN103012273A (zh) * | 2012-11-26 | 2013-04-03 | 中国化学赛鼎宁波工程有限公司 | 一种己内酰胺重排液制备己内酰胺的中和结晶系统及其方法 |
CN103145618B (zh) * | 2013-03-15 | 2014-06-18 | 东明天军化工有限公司 | 一种己内酰胺和硫酸铵联产的方法 |
CN104356039B (zh) * | 2014-11-10 | 2017-02-15 | 河北美邦工程科技有限公司 | 一种己内酰胺制备工艺 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2993889A (en) * | 1961-07-25 | Separation of a lactam from an acid | ||
NL144600B (nl) * | 1964-03-07 | 1975-01-15 | Stamicarbon | Afscheiding van lactamen uit een sterk zwavelzuur milieu. |
GB1123472A (en) * | 1965-01-21 | 1968-08-14 | Snia Viscosa | Improvements in or relating to the neutralization of acid solutions of caprolactam |
US3852273A (en) * | 1971-05-07 | 1974-12-03 | Stamicarbon | Process for preparing and recovering lactams |
NL164028C (nl) * | 1971-05-07 | 1980-11-17 | Stamicarbon | Werkwijze voor de afscheiding van lactamen. |
-
1973
- 1973-06-26 NL NL7308834A patent/NL7308834A/xx unknown
-
1974
- 1974-06-18 AT AT503874A patent/AT334382B/de active
- 1974-06-24 SU SU2040365A patent/SU552019A3/ru active
- 1974-06-24 IT IT51708/74A patent/IT1016162B/it active
- 1974-06-24 US US482601A patent/US3907781A/en not_active Expired - Lifetime
- 1974-06-24 DD DD179427A patent/DD114078A5/xx unknown
- 1974-06-24 ZA ZA00744054A patent/ZA744054B/xx unknown
- 1974-06-25 ES ES427627A patent/ES427627A1/es not_active Expired
- 1974-06-25 TR TR18106A patent/TR18106A/xx unknown
- 1974-06-25 FR FR7422071A patent/FR2235121B1/fr not_active Expired
- 1974-06-26 BE BE145892A patent/BE816872A/xx unknown
- 1974-06-26 DE DE2430757A patent/DE2430757A1/de active Pending
- 1974-06-26 CS CS4506A patent/CS168478B2/cs unknown
- 1974-06-26 JP JP49073141A patent/JPS5036483A/ja active Pending
- 1974-06-26 BR BR5226/74A patent/BR7405226D0/pt unknown
- 1974-06-26 AR AR254412A patent/AR199442A1/es active
- 1974-06-26 GB GB2839274A patent/GB1434687A/en not_active Expired
- 1974-07-02 AU AU70727/74A patent/AU476555B2/en not_active Expired
- 1974-07-26 IN IN1671/CAL/74A patent/IN139743B/en unknown
Also Published As
Publication number | Publication date |
---|---|
IT1016162B (it) | 1977-05-30 |
AU476555B2 (en) | 1976-09-30 |
FR2235121B1 (it) | 1978-01-13 |
ZA744054B (en) | 1975-10-29 |
SU552019A3 (ru) | 1977-03-25 |
NL7308834A (it) | 1974-12-30 |
CS168478B2 (it) | 1976-06-29 |
ATA503874A (de) | 1976-05-15 |
JPS5036483A (it) | 1975-04-05 |
AT334382B (de) | 1976-01-10 |
TR18106A (tr) | 1976-09-30 |
FR2235121A1 (it) | 1975-01-24 |
AU7072774A (en) | 1976-01-08 |
IN139743B (it) | 1976-07-24 |
US3907781A (en) | 1975-09-23 |
ES427627A1 (es) | 1976-10-16 |
BE816872A (fr) | 1974-12-27 |
AR199442A1 (es) | 1974-08-30 |
GB1434687A (en) | 1976-05-05 |
DE2430757A1 (de) | 1975-01-23 |
BR7405226D0 (pt) | 1975-01-21 |