ATE220392T1 - Verfahren zur herstellung von harnstoff - Google Patents
Verfahren zur herstellung von harnstoffInfo
- Publication number
- ATE220392T1 ATE220392T1 AT98900772T AT98900772T ATE220392T1 AT E220392 T1 ATE220392 T1 AT E220392T1 AT 98900772 T AT98900772 T AT 98900772T AT 98900772 T AT98900772 T AT 98900772T AT E220392 T1 ATE220392 T1 AT E220392T1
- Authority
- AT
- Austria
- Prior art keywords
- pressure
- urea
- melamine
- ammonia
- carbon dioxide
- Prior art date
Links
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title abstract 4
- 239000004202 carbamide Substances 0.000 title abstract 4
- 238000004519 manufacturing process Methods 0.000 title 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract 4
- 238000000034 method Methods 0.000 abstract 4
- 229920000877 Melamine resin Polymers 0.000 abstract 3
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 abstract 3
- 229910021529 ammonia Inorganic materials 0.000 abstract 2
- BVCZEBOGSOYJJT-UHFFFAOYSA-N ammonium carbamate Chemical compound [NH4+].NC([O-])=O BVCZEBOGSOYJJT-UHFFFAOYSA-N 0.000 abstract 2
- 229910002092 carbon dioxide Inorganic materials 0.000 abstract 2
- 239000001569 carbon dioxide Substances 0.000 abstract 2
- KXDHJXZQYSOELW-UHFFFAOYSA-N carbonic acid monoamide Natural products NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 abstract 2
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 abstract 1
- 238000003786 synthesis reaction Methods 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C273/00—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
- C07C273/02—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds
- C07C273/12—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds combined with the synthesis of melamine
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL1005118A NL1005118C2 (nl) | 1997-01-29 | 1997-01-29 | Werkwijze voor de bereiding van ureum. |
| PCT/NL1998/000036 WO1998032731A1 (en) | 1997-01-29 | 1998-01-20 | Process for preparing urea |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE220392T1 true ATE220392T1 (de) | 2002-07-15 |
Family
ID=19764295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT98900772T ATE220392T1 (de) | 1997-01-29 | 1998-01-20 | Verfahren zur herstellung von harnstoff |
Country Status (16)
| Country | Link |
|---|---|
| US (1) | US6111138A (de) |
| EP (1) | EP0977731B1 (de) |
| JP (1) | JP4063333B2 (de) |
| KR (1) | KR100522226B1 (de) |
| CN (1) | CN1119326C (de) |
| AT (1) | ATE220392T1 (de) |
| AU (1) | AU726205B2 (de) |
| CA (1) | CA2279235C (de) |
| DE (1) | DE69806475T2 (de) |
| ES (1) | ES2180139T3 (de) |
| ID (1) | ID22135A (de) |
| NL (1) | NL1005118C2 (de) |
| NO (1) | NO312545B1 (de) |
| PL (1) | PL196634B1 (de) |
| TW (1) | TW513396B (de) |
| WO (1) | WO1998032731A1 (de) |
Families Citing this family (31)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6380385B1 (en) | 1995-12-07 | 2002-04-30 | Agrolinz Melanin Gmbh | Process for the preparation of pure melamine |
| AT411830B (de) | 1998-12-03 | 2004-06-25 | Agrolinz Melamin Gmbh | Verfahren zur herstellung von harnstoff unter einbindung der melamin-offgase in eine harnstoffanlage |
| NL1014280C2 (nl) * | 2000-02-03 | 2001-08-06 | Dsm Nv | Werkwijze voor de bereiding van melamine uit ureum. |
| NL1021637C2 (nl) * | 2002-07-29 | 2004-01-30 | Dsm Nv | Werkwijze voor het vergroten van de capaciteit van een ureumfabriek. |
| US8585623B2 (en) | 2004-12-22 | 2013-11-19 | Ossur Hf | Orthopedic device |
| US8231560B2 (en) | 2004-12-22 | 2012-07-31 | Ossur Hf | Orthotic device and method for securing the same |
| US7713225B2 (en) | 2004-12-22 | 2010-05-11 | Ossur Hf | Knee brace and method for securing the same |
| US8425441B2 (en) * | 2004-12-22 | 2013-04-23 | Ossur Hf | Spacer element for use in an orthopedic or prosthetic device |
| US7794418B2 (en) * | 2004-12-22 | 2010-09-14 | Ossur Hf | Knee brace and method for securing the same |
| US7597675B2 (en) * | 2004-12-22 | 2009-10-06 | össur hf | Knee brace and method for securing the same |
| US8216170B2 (en) | 2004-12-22 | 2012-07-10 | Ossur Hf | Orthopedic device |
| PL1752447T3 (pl) * | 2005-08-10 | 2011-03-31 | Urea Casale Sa | Zintegrowany proces produkcji mocznika i melaminy |
| US7687041B2 (en) * | 2008-02-27 | 2010-03-30 | Kellogg Brown & Root Llc | Apparatus and methods for urea production |
| KR101332485B1 (ko) | 2009-08-21 | 2013-11-26 | 아사히 가세이 케미칼즈 가부시키가이샤 | Ｎ-치환 카르밤산 에스테르의 제조 방법 및 상기 ｎ-치환 카르밤산 에스테르를 사용하는 이소시아네이트의 제조 방법 |
| KR101389545B1 (ko) | 2012-04-27 | 2014-05-30 | 제우스산업 주식회사 | 암모니아 가스를 재사용하여 글리세롤로부터 글리세롤 카보네이트를 제조하는 방법 |
| EP2919603B1 (de) | 2012-11-13 | 2016-09-21 | Össur HF | Befestigungselement zur befestigung an einer struktur in einer orthopädischen vorrichtung und verfahren zur befestigung davon |
| CN105228564B (zh) | 2013-01-07 | 2017-11-14 | 奥索有限责任公司 | 矫形装置及其固定方法 |
| EP2950758B1 (de) | 2013-01-31 | 2020-11-18 | Össur HF | Progressive kraftbandanordnung zur verwendung mit einer orthopädischen vorrichtung |
| EP2950759B1 (de) | 2013-01-31 | 2020-05-13 | Ossur Hf | Orthopädische vorrichtung mit abnehmbaren komponenten für behandlungsphasen |
| EP2983627B1 (de) | 2013-04-08 | 2018-12-12 | Ossur hf | Bandbefestigungssystem für orthopädische vorrichtung |
| WO2016112110A1 (en) | 2015-01-06 | 2016-07-14 | Ossur Iceland Ehf | Orthopedic device for treating osteoarthritis of the knee |
| EP3053915A1 (de) * | 2015-02-06 | 2016-08-10 | Casale SA | Methode zur verbesserung einer hochdruck-melamin herstellungsanlage |
| US11253384B2 (en) | 2016-06-06 | 2022-02-22 | Ossur Iceland Ehf | Orthopedic device, strap system and method for securing the same |
| US11850175B2 (en) | 2016-06-06 | 2023-12-26 | Ossur Iceland Ehf | Orthopedic device, strap system and method for securing the same |
| EP3691578B1 (de) | 2017-10-06 | 2023-09-13 | Ossur Iceland EHF | Orthopädische vorrichtung zur knieentlastung |
| IT201800006795A1 (it) * | 2018-06-29 | 2019-12-29 | Procedimento di conversione diretta di off-gas anidri da impianti melammina in urea | |
| USD882803S1 (en) | 2018-10-08 | 2020-04-28 | Ossur Iceland Ehf | Orthopedic shell |
| USD908458S1 (en) | 2018-10-08 | 2021-01-26 | Ossur Iceland Ehf | Hinge cover |
| USD888258S1 (en) | 2018-10-08 | 2020-06-23 | Ossur Iceland Ehf | Connector assembly |
| US11872150B2 (en) | 2020-12-28 | 2024-01-16 | Ossur Iceland Ehf | Sleeve and method for use with orthopedic device |
| AU2023384849A1 (en) | 2022-11-22 | 2025-06-05 | Stamicarbon B.V. | Coupled urea melamine plant |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3503970A (en) * | 1967-07-19 | 1970-03-31 | Mitsui Toatsu Chemicals | Integrated process for producing urea and melamine |
| DE1770969C3 (de) * | 1968-07-25 | 1978-08-24 | Basf Ag, 6700 Ludwigshafen | Verfahren zur Rückführung der Abgase der Melaminsynthese in die Hamstoffsynthese |
| JPS5022020B1 (de) * | 1969-11-01 | 1975-07-28 | ||
| US3723430A (en) * | 1970-10-28 | 1973-03-27 | Nissan Chemical Ind Ltd | Method for reclamation of melamine waste gas |
| US4433146A (en) * | 1982-04-07 | 1984-02-21 | Stamicarbon B.V. | Process for the preparation of melamine |
| NL8400839A (nl) * | 1984-03-16 | 1985-10-16 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van ureum. |
-
1997
- 1997-01-29 NL NL1005118A patent/NL1005118C2/nl not_active IP Right Cessation
-
1998
- 1998-01-20 ES ES98900772T patent/ES2180139T3/es not_active Expired - Lifetime
- 1998-01-20 CA CA002279235A patent/CA2279235C/en not_active Expired - Fee Related
- 1998-01-20 KR KR10-1999-7006744A patent/KR100522226B1/ko not_active Expired - Fee Related
- 1998-01-20 AU AU55788/98A patent/AU726205B2/en not_active Ceased
- 1998-01-20 JP JP53185498A patent/JP4063333B2/ja not_active Expired - Fee Related
- 1998-01-20 DE DE69806475T patent/DE69806475T2/de not_active Expired - Lifetime
- 1998-01-20 AT AT98900772T patent/ATE220392T1/de active
- 1998-01-20 ID IDW990763A patent/ID22135A/id unknown
- 1998-01-20 TW TW087100694A patent/TW513396B/zh not_active IP Right Cessation
- 1998-01-20 WO PCT/NL1998/000036 patent/WO1998032731A1/en not_active Ceased
- 1998-01-20 PL PL334875A patent/PL196634B1/pl unknown
- 1998-01-20 CN CN98803584A patent/CN1119326C/zh not_active Expired - Fee Related
- 1998-01-20 EP EP98900772A patent/EP0977731B1/de not_active Expired - Lifetime
-
1999
- 1999-07-28 US US09/361,710 patent/US6111138A/en not_active Expired - Lifetime
- 1999-07-29 NO NO19993698A patent/NO312545B1/no not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| ES2180139T3 (es) | 2003-02-01 |
| PL334875A1 (en) | 2000-03-27 |
| AU726205B2 (en) | 2000-11-02 |
| US6111138A (en) | 2000-08-29 |
| NO993698D0 (no) | 1999-07-29 |
| NO312545B1 (no) | 2002-05-27 |
| NO993698L (no) | 1999-09-21 |
| NL1005118C2 (nl) | 1998-07-30 |
| TW513396B (en) | 2002-12-11 |
| CA2279235C (en) | 2006-12-12 |
| CN1251088A (zh) | 2000-04-19 |
| ID22135A (id) | 1999-09-09 |
| EP0977731A1 (de) | 2000-02-09 |
| KR100522226B1 (ko) | 2005-10-17 |
| KR20000070500A (ko) | 2000-11-25 |
| DE69806475D1 (de) | 2002-08-14 |
| EP0977731B1 (de) | 2002-07-10 |
| CA2279235A1 (en) | 1998-07-30 |
| CN1119326C (zh) | 2003-08-27 |
| JP4063333B2 (ja) | 2008-03-19 |
| WO1998032731A1 (en) | 1998-07-30 |
| JP2001509159A (ja) | 2001-07-10 |
| DE69806475T2 (de) | 2003-02-27 |
| AU5578898A (en) | 1998-08-18 |
| PL196634B1 (pl) | 2008-01-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEIH | Change in the person of patent owner |