ZA9610295B - Process for the preparation of pure melamine - Google Patents
Process for the preparation of pure melamineInfo
- Publication number
- ZA9610295B ZA9610295B ZA9610295A ZA9610295A ZA9610295B ZA 9610295 B ZA9610295 B ZA 9610295B ZA 9610295 A ZA9610295 A ZA 9610295A ZA 9610295 A ZA9610295 A ZA 9610295A ZA 9610295 B ZA9610295 B ZA 9610295B
- Authority
- ZA
- South Africa
- Prior art keywords
- preparation
- pure melamine
- melamine
- pure
- 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
-
- 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
- C07D251/62—Purification of melamine
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Phenolic Resins Or Amino Resins (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Sorption Type Refrigeration Machines (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT0199495A AT403579B (en) | 1995-12-07 | 1995-12-07 | METHOD FOR PRODUCING HIGH PURITY MELAMINE |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA9610295B true ZA9610295B (en) | 1997-06-17 |
Family
ID=3525542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA9610295A ZA9610295B (en) | 1995-12-07 | 1996-12-06 | Process for the preparation of pure melamine |
Country Status (29)
| Country | Link |
|---|---|
| EP (1) | EP0874832B1 (en) |
| JP (1) | JP2000501404A (en) |
| KR (1) | KR100462920B1 (en) |
| CN (1) | CN1067995C (en) |
| AR (1) | AR004873A1 (en) |
| AT (2) | AT403579B (en) |
| AU (1) | AU709030B2 (en) |
| BG (1) | BG102504A (en) |
| BR (1) | BR9611892A (en) |
| CA (1) | CA2239542A1 (en) |
| CO (1) | CO4770995A1 (en) |
| DE (1) | DE59609075D1 (en) |
| DZ (1) | DZ2135A1 (en) |
| EA (1) | EA000931B1 (en) |
| EG (1) | EG20917A (en) |
| HR (1) | HRP960575A2 (en) |
| HU (1) | HUP9904406A3 (en) |
| IL (1) | IL124630A0 (en) |
| MX (1) | MX9804435A (en) |
| MY (1) | MY112761A (en) |
| NO (1) | NO309982B1 (en) |
| NZ (1) | NZ324297A (en) |
| PL (1) | PL189811B1 (en) |
| SK (1) | SK74998A3 (en) |
| TR (1) | TR199801029T2 (en) |
| TW (1) | TW341567B (en) |
| UA (1) | UA46072C2 (en) |
| WO (1) | WO1997020826A1 (en) |
| ZA (1) | ZA9610295B (en) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2197470T3 (en) | 1997-05-21 | 2004-01-01 | Dsm Ip Assets B.V. | METHOD TO PREPARE MELAMINE. |
| NL1006095C2 (en) * | 1997-05-21 | 1998-11-25 | Dsm Nv | Preparation of melamine from urea via a high pressure process |
| KR100495264B1 (en) | 1997-05-28 | 2005-06-14 | 코닌클리즈케 디에스엠 엔.브이. | Method for preparing melamine |
| NL1006147C2 (en) * | 1997-05-28 | 1998-12-01 | Dsm Nv | Pure melamine is formed from urea by spray cooling the melamine melt |
| DE69837432T2 (en) * | 1997-06-02 | 2007-12-13 | Dsm Ip Assets B.V. | CRYSTALLINE MELAMINE |
| NL1006191C2 (en) * | 1997-06-02 | 1998-12-03 | Dsm Nv | Multi-crystalline melamine powder is prepared from urea |
| WO1998055466A1 (en) * | 1997-06-02 | 1998-12-10 | Dsm N.V. | Method for preparing melamine |
| NL1006192C2 (en) * | 1997-06-02 | 1998-12-03 | Dsm Nv | Melamine is prepared from urea in a high pressure process |
| NL1008571C2 (en) * | 1998-03-12 | 1999-07-28 | Dsm Nv | Crystalline melamine. |
| TR200101341T2 (en) | 1998-11-13 | 2001-11-21 | Agrolinz Melamin Gmbh | Method for producing pure melamine |
| KR100575020B1 (en) | 1998-12-23 | 2006-05-02 | 아엠이-아그로린츠 멜라민 인터내셔날 게엠베하 | Method for purifying melamine |
| EP1035117A1 (en) * | 1999-03-08 | 2000-09-13 | Dsm N.V. | Method for preparing melamine from urea |
| BR0009017A (en) * | 1999-03-15 | 2001-12-26 | Agrolinz Melamin Gmbh | Process for preparing solid melamine |
| AU6697600A (en) * | 1999-07-27 | 2001-02-13 | Agrolinz Melamin Gmbh | Method for producing solid melamine |
| NL1013217C2 (en) * | 1999-10-05 | 2001-04-06 | Dsm Nv | Process for the preparation of melamine. |
| EP1138676A1 (en) | 2000-03-27 | 2001-10-04 | Casale Chemicals SA | Process for producing melamine at high pureness |
| AT410210B (en) * | 2000-08-07 | 2003-03-25 | Agrolinz Melamin Gmbh | METHOD FOR PRODUCING MELAMINE |
| AT500297B8 (en) | 2000-11-08 | 2007-02-15 | Agrolinz Melamin Gmbh | PROCESS FOR CLEANING MELAMINE AMMONIA |
| AT410793B (en) * | 2000-12-27 | 2003-07-25 | Agrolinz Melamin Gmbh | METHOD FOR PRODUCING MELAMINE |
| CN1315812C (en) | 2001-11-16 | 2007-05-16 | Ami－阿格罗林茨三聚氰胺有限公司 | Method for producing melem-free melamine and quenching device |
| FR2843964B1 (en) * | 2002-08-29 | 2004-10-01 | Sanofi Synthelabo | DIOXANE-2-ALKYLCARBAMATES DERIVATIVES, THEIR PREPARATION AND THEIR THERAPEUTIC APPLICATION |
| 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 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3116294A (en) * | 1963-12-31 | Process- for preparing high-purity melamine from urea | ||
| US3637686A (en) * | 1969-02-10 | 1972-01-25 | Nissan Chemical Ind Ltd | Process for recovering purified melamine |
| US4565867A (en) * | 1984-01-05 | 1986-01-21 | Melamine Chemicals, Inc. | Anhydrous high-pressure melamine synthesis |
| DE3546893C3 (en) * | 1984-01-05 | 1998-01-29 | Melamine Chemicals Inc | Anhydrous high-pressure melamine synthesis |
| DE3500188C2 (en) * | 1984-01-05 | 1994-08-18 | Melamine Chemicals Inc | Anhydrous high-pressure melamine synthesis |
| AT402294B (en) * | 1994-12-23 | 1997-03-25 | Agrolinz Melamin Gmbh | METHOD FOR PRODUCING HIGH PURITY MELAMINE |
| AT402296B (en) * | 1995-02-03 | 1997-03-25 | Agrolinz Melamin Gmbh | METHOD FOR PURIFYING MELAMINE |
| US5514796A (en) * | 1995-06-07 | 1996-05-07 | Melamine Chemicals, Inc. | Melamine of improved purity produced by high-pressure, non-catalytic process |
| US5514797A (en) * | 1995-06-07 | 1996-05-07 | Melamine Chemicals, Inc. | Method for increasing purity of melamine |
-
1995
- 1995-12-07 AT AT0199495A patent/AT403579B/en active
-
1996
- 1996-12-02 TW TW085114862A patent/TW341567B/en active
- 1996-12-03 EG EG106896A patent/EG20917A/en active
- 1996-12-04 DZ DZ960180A patent/DZ2135A1/en active
- 1996-12-04 BR BR9611892A patent/BR9611892A/en active Search and Examination
- 1996-12-04 HU HU9904406A patent/HUP9904406A3/en unknown
- 1996-12-04 EA EA199800532A patent/EA000931B1/en not_active IP Right Cessation
- 1996-12-04 CA CA002239542A patent/CA2239542A1/en not_active Abandoned
- 1996-12-04 UA UA98063040A patent/UA46072C2/en unknown
- 1996-12-04 CN CN96198818A patent/CN1067995C/en not_active Expired - Fee Related
- 1996-12-04 EP EP96942322A patent/EP0874832B1/en not_active Expired - Lifetime
- 1996-12-04 TR TR1998/01029T patent/TR199801029T2/en unknown
- 1996-12-04 IL IL12463096A patent/IL124630A0/en unknown
- 1996-12-04 NZ NZ324297A patent/NZ324297A/en unknown
- 1996-12-04 JP JP9520981A patent/JP2000501404A/en active Pending
- 1996-12-04 KR KR10-1998-0704219A patent/KR100462920B1/en not_active IP Right Cessation
- 1996-12-04 SK SK749-98A patent/SK74998A3/en unknown
- 1996-12-04 PL PL96327067A patent/PL189811B1/en not_active IP Right Cessation
- 1996-12-04 AU AU11755/97A patent/AU709030B2/en not_active Ceased
- 1996-12-04 MY MYPI96005088A patent/MY112761A/en unknown
- 1996-12-04 DE DE59609075T patent/DE59609075D1/en not_active Expired - Lifetime
- 1996-12-04 WO PCT/EP1996/005389 patent/WO1997020826A1/en active IP Right Grant
- 1996-12-04 AT AT96942322T patent/ATE215936T1/en not_active IP Right Cessation
- 1996-12-05 HR HRA1994/95A patent/HRP960575A2/en not_active Application Discontinuation
- 1996-12-05 CO CO96063884A patent/CO4770995A1/en unknown
- 1996-12-06 AR ARP960105520A patent/AR004873A1/en active IP Right Grant
- 1996-12-06 ZA ZA9610295A patent/ZA9610295B/en unknown
-
1998
- 1998-05-15 NO NO982251A patent/NO309982B1/en not_active IP Right Cessation
- 1998-06-02 BG BG102504A patent/BG102504A/en unknown
- 1998-06-04 MX MX9804435A patent/MX9804435A/en unknown
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