BE693668A - - Google Patents
Info
- Publication number
- BE693668A BE693668A BE693668DA BE693668A BE 693668 A BE693668 A BE 693668A BE 693668D A BE693668D A BE 693668DA BE 693668 A BE693668 A BE 693668A
- Authority
- BE
- Belgium
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D251/00—Heterocyclic compounds containing 1,3,5-triazine rings
- C07D251/02—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings
- C07D251/12—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members
- C07D251/26—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members with only hetero atoms directly attached to ring carbon atoms
- C07D251/40—Nitrogen atoms
- C07D251/54—Three nitrogen atoms
- C07D251/56—Preparation of melamine
- C07D251/60—Preparation of melamine from urea or from carbon dioxide and ammonia
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US526491A US3386999A (en) | 1966-02-10 | 1966-02-10 | Synthesis of melamine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE693668A true BE693668A (pt) | 1967-08-03 |
Family
ID=24097577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE693668D BE693668A (pt) | 1966-02-10 | 1967-02-03 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3386999A (pt) |
| BE (1) | BE693668A (pt) |
| DE (1) | DE1670422A1 (pt) |
| GB (1) | GB1149301A (pt) |
| NL (1) | NL6701353A (pt) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1670126A1 (de) * | 1966-08-09 | 1970-10-29 | Basf Ag | Verfahren zur Kuehlung der bei der Melaminsynthese erhaltenen Abgase |
| DE1695567A1 (de) * | 1966-08-16 | 1971-05-06 | Nissan Chemical Ind Ltd | Verfahren zur Herstellung von hochwertigem Melamin |
| US4138560A (en) * | 1975-06-10 | 1979-02-06 | Basf Aktiengesellschaft | Process for cooling melamine synthesis waste gases |
| DE3041324A1 (de) * | 1980-11-03 | 1982-06-16 | Basf Ag, 6700 Ludwigshafen | Verfahren zum gleichzeitigen abbau von spurenbestandteilen in den reaktionsabgasen der melaminsynthese |
| US4565867A (en) * | 1984-01-05 | 1986-01-21 | Melamine Chemicals, Inc. | Anhydrous high-pressure melamine synthesis |
| NL9002606A (nl) * | 1990-11-29 | 1992-06-16 | Stamicarbon | Proces voor de bereiding van melamine uit ureum. |
| AT397214B (de) * | 1992-03-30 | 1994-02-25 | Chemie Linz Gmbh | Vorrichtung zur abscheidung von melamin |
| DE4211763A1 (de) * | 1992-04-08 | 1993-10-14 | Chemie Linz Deutschland | Vorrichtung zur Abscheidung von Melamin |
| GB2337259B (en) * | 1998-05-12 | 2000-03-29 | Dsm Nv | Method for preparing melamine |
| US6303781B1 (en) | 1998-05-12 | 2001-10-16 | Dsm N.V. | Method for preparing melamine |
| ES2209560T3 (es) * | 1998-11-13 | 2004-06-16 | Ami Agrolinz Melamine International Gmbh | Procedimiento para la obtencion de melamina pura. |
| WO2003045538A1 (de) * | 2001-11-16 | 2003-06-05 | Ami - Agrolinz Melamine International Gmbh | Verfahren zur reinigung von offgasen einer melaminanlage |
| DE102005023042B4 (de) * | 2005-05-06 | 2007-10-31 | Lurgi Ag | Verfahren zur Herstellung von Melamin |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2566225A (en) * | 1951-08-28 | Process for preparing substituted | ||
| US3310558A (en) * | 1967-03-21 | Melamine recovery | ||
| NO73486A (pt) * | 1943-07-17 |
-
1966
- 1966-02-10 US US526491A patent/US3386999A/en not_active Expired - Lifetime
-
1967
- 1967-01-16 GB GB2330/67A patent/GB1149301A/en not_active Expired
- 1967-01-19 DE DE19671670422 patent/DE1670422A1/de active Pending
- 1967-01-27 NL NL6701353A patent/NL6701353A/xx unknown
- 1967-02-03 BE BE693668D patent/BE693668A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1670422A1 (de) | 1971-02-11 |
| GB1149301A (en) | 1969-04-23 |
| US3386999A (en) | 1968-06-04 |
| NL6701353A (pt) | 1967-08-11 |