BE661693A - - Google Patents
Info
- Publication number
- BE661693A BE661693A BE661693DA BE661693A BE 661693 A BE661693 A BE 661693A BE 661693D A BE661693D A BE 661693DA BE 661693 A BE661693 A BE 661693A
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEB76107A DE1209570B (de) | 1964-03-28 | 1964-03-28 | Verfahren zur Herstellung von Melamin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE661693A true BE661693A (xx) | 1965-09-27 |
Family
ID=6978942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE661693D BE661693A (xx) | 1964-03-28 | 1965-03-26 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3300493A (xx) |
| AT (1) | AT254882B (xx) |
| BE (1) | BE661693A (xx) |
| CH (1) | CH446363A (xx) |
| DE (1) | DE1209570B (xx) |
| GB (1) | GB1092762A (xx) |
| NL (1) | NL6503913A (xx) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3290309A (en) * | 1964-02-11 | 1966-12-06 | Chemical Construction Corp | Synthesis of melamine |
| US3332947A (en) * | 1965-09-14 | 1967-07-25 | American Cyanamid Co | Production of melamine |
| RO74590A (ro) * | 1977-01-19 | 1981-08-30 | Stamicarbon Bv,Nl | Procedeu de preparare a melaminei din uree |
| DE3138419A1 (de) * | 1981-09-26 | 1983-04-14 | Basf Ag, 6700 Ludwigshafen | Verfahren zur verbesserung der melaminqualitaet durch reaktivierung von bei der melaminsynthese eingesetzten katalysatoren |
| EP1587797B1 (de) | 2003-01-17 | 2010-08-11 | Basf Se | Zweistufiger reaktor für die melaminsynthese |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3152128A (en) * | 1964-10-06 | Preparation of melamine | ||
| US3158611A (en) * | 1964-11-24 | Converting urea to melamine in the gas phase over | ||
| US2760961A (en) * | 1953-09-18 | 1956-08-28 | American Cyanamid Co | Preparation of melamine |
| GB718934A (en) * | 1952-01-17 | 1954-11-24 | American Cyanamid Co | Improvements relating to the preparation of cyanamide and cyanamide polymers from urea |
-
1964
- 1964-03-28 DE DEB76107A patent/DE1209570B/de active Pending
-
1965
- 1965-03-16 CH CH364865A patent/CH446363A/de unknown
- 1965-03-23 US US442177A patent/US3300493A/en not_active Expired - Lifetime
- 1965-03-26 BE BE661693D patent/BE661693A/xx unknown
- 1965-03-26 GB GB12865/65A patent/GB1092762A/en not_active Expired
- 1965-03-26 AT AT278665A patent/AT254882B/de active
- 1965-03-26 NL NL6503913A patent/NL6503913A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL6503913A (xx) | 1965-09-29 |
| CH446363A (de) | 1967-11-15 |
| AT254882B (de) | 1967-06-12 |
| DE1209570B (de) | 1966-01-27 |
| GB1092762A (en) | 1967-11-29 |
| US3300493A (en) | 1967-01-24 |