ATE240946T1 - Verfahren zur herstellung vom melamin - Google Patents
Verfahren zur herstellung vom melaminInfo
- Publication number
- ATE240946T1 ATE240946T1 AT99970385T AT99970385T ATE240946T1 AT E240946 T1 ATE240946 T1 AT E240946T1 AT 99970385 T AT99970385 T AT 99970385T AT 99970385 T AT99970385 T AT 99970385T AT E240946 T1 ATE240946 T1 AT E240946T1
- Authority
- AT
- Austria
- Prior art keywords
- melamine
- melt
- treated
- ammonia
- column
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
- B01D3/16—Fractionating columns in which vapour bubbles through liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
- B01D3/16—Fractionating columns in which vapour bubbles through liquid
- B01D3/22—Fractionating columns in which vapour bubbles through liquid with horizontal sieve plates or grids; Construction of sieve plates or grids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
- B01D3/32—Other features of fractionating columns ; Constructional details of fractionating columns not provided for in groups B01D3/16 - B01D3/30
- B01D3/324—Tray constructions
- B01D3/328—Sealing between the column and the trays
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Phenolic Resins Or Amino Resins (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Gas Separation By Absorption (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Degasification And Air Bubble Elimination (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Distillation Of Fermentation Liquor, Processing Of Alcohols, Vinegar And Beer (AREA)
- Compounds Of Unknown Constitution (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL1010316A NL1010316C2 (nl) | 1998-10-14 | 1998-10-14 | Werkwijze voor de bereiding van melamine. |
PCT/NL1999/000362 WO2000021940A1 (en) | 1998-10-14 | 1999-06-10 | Method for preparing melamine |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE240946T1 true ATE240946T1 (de) | 2003-06-15 |
Family
ID=19767963
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT99970385T ATE240946T1 (de) | 1998-10-14 | 1999-06-10 | Verfahren zur herstellung vom melamin |
Country Status (20)
Country | Link |
---|---|
US (1) | US6548669B2 (de) |
EP (1) | EP1119556B1 (de) |
JP (1) | JP2002527426A (de) |
KR (1) | KR100524457B1 (de) |
CN (1) | CN1156458C (de) |
AT (1) | ATE240946T1 (de) |
AU (1) | AU753600B2 (de) |
CA (1) | CA2347087C (de) |
DE (1) | DE69908161T2 (de) |
EA (1) | EA003323B1 (de) |
EG (1) | EG21897A (de) |
ES (1) | ES2200592T3 (de) |
GB (1) | GB2342648B (de) |
ID (1) | ID28442A (de) |
NL (1) | NL1010316C2 (de) |
NO (1) | NO317339B1 (de) |
PL (1) | PL194903B1 (de) |
SA (1) | SA99200366B1 (de) |
TW (1) | TW546292B (de) |
WO (1) | WO2000021940A1 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6670398B2 (en) * | 1997-05-14 | 2003-12-30 | Atherogenics, Inc. | Compounds and methods for treating transplant rejection |
IT1315255B1 (it) * | 1999-11-16 | 2003-02-03 | Eurotecnica Dev And Licensing | Procedimento di purificazione della melammina. |
AT411462B (de) | 2001-12-12 | 2004-01-26 | Agrolinz Melamin Gmbh | Verfahren zur reinigung einer melaminschmelze |
AT411452B (de) * | 2001-12-20 | 2004-01-26 | Agrolinz Melamin Gmbh | Uv-resistenter, thermohärtbarer aminoplastverbund, dessen herstellung und verwendung |
US20070284889A1 (en) * | 2006-06-09 | 2007-12-13 | Carlton Leslie | Railroad track de-icing method and apparatus |
ITUB20152258A1 (it) * | 2015-07-17 | 2017-01-17 | Eurotecnica Melamine Luxemburg Zweigniederlassung In Ittigen | Procedimento per la produzione di melammina con separazione e recupero di CO2 e NH3 aventi elevata purezza |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3116294A (en) * | 1963-12-31 | Process- for preparing high-purity melamine from urea | ||
IT1292427B1 (it) * | 1997-06-27 | 1999-02-08 | Eurotecnica Contractors And En | Procedimento e apparecchiatura per la produzione di melammina |
NL1008573C2 (nl) * | 1998-03-12 | 1999-09-14 | Dsm Nv | Inrichting voor het uitvoeren van gas/vloeistof contact. |
-
1998
- 1998-10-14 NL NL1010316A patent/NL1010316C2/nl not_active IP Right Cessation
-
1999
- 1999-05-11 GB GB9910745A patent/GB2342648B/en not_active Expired - Fee Related
- 1999-06-10 EP EP99970385A patent/EP1119556B1/de not_active Expired - Lifetime
- 1999-06-10 EA EA200100435A patent/EA003323B1/ru not_active IP Right Cessation
- 1999-06-10 ES ES99970385T patent/ES2200592T3/es not_active Expired - Lifetime
- 1999-06-10 DE DE69908161T patent/DE69908161T2/de not_active Expired - Lifetime
- 1999-06-10 CA CA002347087A patent/CA2347087C/en not_active Expired - Fee Related
- 1999-06-10 AU AU42942/99A patent/AU753600B2/en not_active Ceased
- 1999-06-10 ID IDW20010820A patent/ID28442A/id unknown
- 1999-06-10 WO PCT/NL1999/000362 patent/WO2000021940A1/en active IP Right Grant
- 1999-06-10 PL PL347174A patent/PL194903B1/pl not_active IP Right Cessation
- 1999-06-10 KR KR10-2001-7004596A patent/KR100524457B1/ko not_active IP Right Cessation
- 1999-06-10 JP JP2000575846A patent/JP2002527426A/ja not_active Withdrawn
- 1999-06-10 CN CNB998121428A patent/CN1156458C/zh not_active Expired - Fee Related
- 1999-06-10 AT AT99970385T patent/ATE240946T1/de not_active IP Right Cessation
- 1999-06-15 TW TW088110031A patent/TW546292B/zh not_active IP Right Cessation
- 1999-07-03 EG EG80199A patent/EG21897A/xx active
- 1999-07-18 SA SA99200366A patent/SA99200366B1/ar unknown
-
2001
- 2001-04-10 US US09/828,999 patent/US6548669B2/en not_active Expired - Fee Related
- 2001-04-10 NO NONO/SPC/2A patent/NO317339B1/no not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EG21897A (en) | 2002-04-30 |
ID28442A (id) | 2001-05-24 |
US20020004597A1 (en) | 2002-01-10 |
NL1010316A1 (nl) | 1999-08-20 |
EP1119556A1 (de) | 2001-08-01 |
CA2347087A1 (en) | 2000-04-20 |
KR100524457B1 (ko) | 2005-10-26 |
DE69908161T2 (de) | 2004-03-25 |
PL347174A1 (en) | 2002-03-25 |
EA003323B1 (ru) | 2003-04-24 |
US6548669B2 (en) | 2003-04-15 |
AU753600B2 (en) | 2002-10-24 |
TW546292B (en) | 2003-08-11 |
GB9910745D0 (en) | 1999-07-07 |
NL1010316C2 (nl) | 1999-09-23 |
AU4294299A (en) | 2000-05-01 |
NO20011834L (no) | 2001-06-07 |
ES2200592T3 (es) | 2004-03-01 |
EA200100435A1 (ru) | 2001-10-22 |
NO317339B1 (no) | 2004-10-11 |
JP2002527426A (ja) | 2002-08-27 |
PL194903B1 (pl) | 2007-07-31 |
DE69908161D1 (de) | 2003-06-26 |
CA2347087C (en) | 2008-12-30 |
NO20011834D0 (no) | 2001-04-10 |
WO2000021940A1 (en) | 2000-04-20 |
GB2342648B (en) | 2000-08-23 |
KR20010080115A (ko) | 2001-08-22 |
CN1156458C (zh) | 2004-07-07 |
GB2342648A (en) | 2000-04-19 |
CN1323299A (zh) | 2001-11-21 |
EP1119556B1 (de) | 2003-05-21 |
SA99200366B1 (ar) | 2006-11-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
UEP | Publication of translation of european patent specification |
Ref document number: 1119556 Country of ref document: EP |
|
REN | Ceased due to non-payment of the annual fee |