AT240371B - Process for the recovery of melamine obtained from urea by pyrolysis under pressure - Google Patents
Process for the recovery of melamine obtained from urea by pyrolysis under pressureInfo
- Publication number
- AT240371B AT240371B AT929062A AT929062A AT240371B AT 240371 B AT240371 B AT 240371B AT 929062 A AT929062 A AT 929062A AT 929062 A AT929062 A AT 929062A AT 240371 B AT240371 B AT 240371B
- Authority
- AT
- Austria
- Prior art keywords
- urea
- recovery
- under pressure
- pyrolysis under
- melamine obtained
- Prior art date
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT2173661 | 1961-12-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
AT240371B true AT240371B (en) | 1965-05-25 |
Family
ID=11186137
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT929062A AT240371B (en) | 1961-12-01 | 1962-11-27 | Process for the recovery of melamine obtained from urea by pyrolysis under pressure |
Country Status (8)
Country | Link |
---|---|
AT (1) | AT240371B (en) |
BE (1) | BE625578A (en) |
CH (1) | CH423797A (en) |
DE (1) | DE1470032A1 (en) |
ES (1) | ES282992A1 (en) |
GB (1) | GB958633A (en) |
LU (1) | LU42783A1 (en) |
SE (1) | SE309422B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3455659A (en) * | 1967-09-06 | 1969-07-15 | American Cyanamid Co | Superheating ammonia |
ITMI20080861A1 (en) | 2008-05-13 | 2009-11-14 | Eurotecnica Melamine Luxembourg | IMPROVED PROCESS FOR THE PURIFICATION OF MELAMINE AND ITS EQUIPMENT |
RU2417992C2 (en) * | 2009-07-20 | 2011-05-10 | Открытое акционерное общество "Научно-исследовательский и проектный институт карбамида и продуктов органического синтеза" (ОАО "НИИК") | Method of producing melamine and method of removing dissolved gases from aqueous solution of crude melamine |
-
1962
- 1962-11-26 DE DE19621470032 patent/DE1470032A1/en active Pending
- 1962-11-26 GB GB4464162A patent/GB958633A/en not_active Expired
- 1962-11-27 AT AT929062A patent/AT240371B/en active
- 1962-11-28 CH CH1393962A patent/CH423797A/en unknown
- 1962-11-30 BE BE625578A patent/BE625578A/en unknown
- 1962-11-30 ES ES282992A patent/ES282992A1/en not_active Expired
- 1962-11-30 LU LU42783D patent/LU42783A1/xx unknown
- 1962-11-30 SE SE1289762A patent/SE309422B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
GB958633A (en) | 1964-05-21 |
LU42783A1 (en) | 1963-11-30 |
SE309422B (en) | 1969-03-24 |
BE625578A (en) | 1963-05-30 |
CH423797A (en) | 1966-11-15 |
DE1470032A1 (en) | 1969-05-29 |
ES282992A1 (en) | 1963-06-01 |
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