BE736586A - - Google Patents
Info
- Publication number
- BE736586A BE736586A BE736586DA BE736586A BE 736586 A BE736586 A BE 736586A BE 736586D A BE736586D A BE 736586DA BE 736586 A BE736586 A BE 736586A
- Authority
- BE
- Belgium
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C273/00—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
- C07C273/02—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds
- C07C273/12—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds combined with the synthesis of melamine
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Treating Waste Gases (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1770969A DE1770969C3 (de) | 1968-07-25 | 1968-07-25 | Verfahren zur Rückführung der Abgase der Melaminsynthese in die Hamstoffsynthese |
Publications (1)
Publication Number | Publication Date |
---|---|
BE736586A true BE736586A (xx) | 1970-01-26 |
Family
ID=5700711
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE736586D BE736586A (xx) | 1968-07-25 | 1969-07-25 |
Country Status (6)
Country | Link |
---|---|
US (1) | US3708536A (xx) |
BE (1) | BE736586A (xx) |
DE (1) | DE1770969C3 (xx) |
FR (1) | FR2013682A1 (xx) |
GB (1) | GB1266363A (xx) |
NL (1) | NL6911232A (xx) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5146120B2 (xx) * | 1973-08-22 | 1976-12-07 | ||
US4138560A (en) * | 1975-06-10 | 1979-02-06 | Basf Aktiengesellschaft | Process for cooling melamine synthesis waste gases |
NL7903623A (nl) * | 1979-05-09 | 1980-11-11 | Stamicarbon | Werkwijze voor het zuiveren van ureumhoudend afvalwater en werkwijze voor het bereiden van melamine. |
US4433146A (en) * | 1982-04-07 | 1984-02-21 | Stamicarbon B.V. | Process for the preparation of melamine |
NL1003923C2 (nl) * | 1996-08-30 | 1998-03-04 | Dsm Nv | Werkwijze voor de bereiding van ureum. |
TW385307B (en) * | 1996-08-30 | 2000-03-21 | Dsm Nv | Process for the preparation of urea |
NL1004475C2 (nl) * | 1996-11-08 | 1998-05-11 | Dsm Nv | Werkwijze voor de bereiding van ureum. |
NL1005118C2 (nl) * | 1997-01-29 | 1998-07-30 | Dsm Nv | Werkwijze voor de bereiding van ureum. |
AT409627B (de) * | 2000-12-27 | 2002-09-25 | Agrolinz Melamin Gmbh | Verfahren zur reinigung von offgasen aus einer melaminanlage |
EP1429996B1 (en) * | 2001-07-24 | 2005-05-18 | DSM IP Assets B.V. | Method for obtaining an ammonium carbamate solution from a gas mixture containing ammonia, water and carbon dioxide |
EP1918274A1 (en) | 2006-11-04 | 2008-05-07 | Urea Casale S.A. | Integrated process for urea and melamine production |
CN111995592B (zh) * | 2020-09-30 | 2024-02-06 | 四川金象赛瑞化工股份有限公司 | 一种尿素与三聚氰胺联产的方法和装置 |
-
1968
- 1968-07-25 DE DE1770969A patent/DE1770969C3/de not_active Expired
-
1969
- 1969-07-22 NL NL6911232A patent/NL6911232A/xx unknown
- 1969-07-23 US US00844089A patent/US3708536A/en not_active Expired - Lifetime
- 1969-07-24 FR FR6925274A patent/FR2013682A1/fr not_active Withdrawn
- 1969-07-24 GB GB1266363D patent/GB1266363A/en not_active Expired
- 1969-07-25 BE BE736586D patent/BE736586A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
FR2013682A1 (xx) | 1970-04-03 |
DE1770969B2 (de) | 1977-12-15 |
DE1770969A1 (de) | 1972-01-13 |
DE1770969C3 (de) | 1978-08-24 |
GB1266363A (xx) | 1972-03-08 |
US3708536A (en) | 1973-01-02 |
NL6911232A (xx) | 1970-01-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: BADISCHE ANILIN & SODAFABRIK A.G. Effective date: 19840725 |