NL294614A - - Google Patents
Info
- Publication number
- NL294614A NL294614A NL294614DA NL294614A NL 294614 A NL294614 A NL 294614A NL 294614D A NL294614D A NL 294614DA NL 294614 A NL294614 A NL 294614A
- Authority
- NL
- Netherlands
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
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J4/00—Feed or outlet devices; Feed or outlet control devices
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES80520A DE1226112B (de) | 1962-07-20 | 1962-07-20 | Verfahren zur kontinuierlichen Herstellung von Melamin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL294614A true NL294614A (xx) |
Family
ID=7508922
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL294614D NL294614A (xx) | 1962-07-20 | ||
| NL294614A NL142161B (nl) | 1962-07-20 | 1963-06-27 | Werkwijze voor de continue bereiding van melamine. |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL294614A NL142161B (nl) | 1962-07-20 | 1963-06-27 | Werkwijze voor de continue bereiding van melamine. |
Country Status (5)
| Country | Link |
|---|---|
| AT (1) | AT248444B (xx) |
| CH (1) | CH436321A (xx) |
| DE (1) | DE1226112B (xx) |
| GB (1) | GB1004426A (xx) |
| NL (2) | NL142161B (xx) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030028020A1 (en) * | 2001-07-27 | 2003-02-06 | Gupta Ram B. | Process for the synthesis of high purity melamine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2712491A (en) * | 1954-03-16 | 1955-07-05 | American Cyanamid Co | Preparation of ammonium cyanate from urea |
-
0
- NL NL294614D patent/NL294614A/xx unknown
-
1962
- 1962-07-20 DE DES80520A patent/DE1226112B/de active Pending
-
1963
- 1963-06-14 GB GB2384363A patent/GB1004426A/en not_active Expired
- 1963-06-26 AT AT512863A patent/AT248444B/de active
- 1963-06-27 NL NL294614A patent/NL142161B/xx not_active IP Right Cessation
- 1963-06-27 CH CH797063A patent/CH436321A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH436321A (de) | 1967-05-31 |
| DE1226112B (de) | 1966-10-06 |
| AT248444B (de) | 1966-07-25 |
| GB1004426A (en) | 1965-09-15 |
| NL142161B (nl) | 1974-05-15 |