NL1017990C2 - Werkwijze voor de bereiding van ureum. - Google Patents

Werkwijze voor de bereiding van ureum. Download PDF

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Publication number
NL1017990C2
NL1017990C2 NL1017990A NL1017990A NL1017990C2 NL 1017990 C2 NL1017990 C2 NL 1017990C2 NL 1017990 A NL1017990 A NL 1017990A NL 1017990 A NL1017990 A NL 1017990A NL 1017990 C2 NL1017990 C2 NL 1017990C2
Authority
NL
Netherlands
Prior art keywords
pressure
urea
zone
synthesis
medium
Prior art date
Application number
NL1017990A
Other languages
English (en)
Dutch (nl)
Inventor
Johannes Henricus Mennen
Original Assignee
Dsm Nv
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=19773343&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=NL1017990(C2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Dsm Nv filed Critical Dsm Nv
Priority to NL1017990A priority Critical patent/NL1017990C2/nl
Priority to AU2002303036A priority patent/AU2002303036B2/en
Priority to RU2003134953/04A priority patent/RU2254331C1/ru
Priority to MXPA03010020A priority patent/MXPA03010020A/es
Priority to CA2445589A priority patent/CA2445589C/en
Priority to CNB028090241A priority patent/CN1260208C/zh
Priority to PCT/NL2002/000263 priority patent/WO2002090323A1/en
Priority to US10/474,734 priority patent/US6852886B2/en
Priority to GCP20021974 priority patent/GC0000391A/en
Priority to MYPI20021603A priority patent/MY124851A/en
Priority to EG20020452A priority patent/EG22992A/xx
Publication of NL1017990C2 publication Critical patent/NL1017990C2/nl
Application granted granted Critical

Links

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
    • C07C273/04—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 from carbon dioxide and ammonia

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
NL1017990A 2001-05-03 2001-05-03 Werkwijze voor de bereiding van ureum. NL1017990C2 (nl)

Priority Applications (11)

Application Number Priority Date Filing Date Title
NL1017990A NL1017990C2 (nl) 2001-05-03 2001-05-03 Werkwijze voor de bereiding van ureum.
CA2445589A CA2445589C (en) 2001-05-03 2002-04-24 Process for the preparation of urea
RU2003134953/04A RU2254331C1 (ru) 2001-05-03 2002-04-24 Способ получения мочевины (варианты), способ повышения производительности процесса
MXPA03010020A MXPA03010020A (es) 2001-05-03 2002-04-24 PROCEDIMIETO PARA LA PREPARACIoN DE UREA.
AU2002303036A AU2002303036B2 (en) 2001-05-03 2002-04-24 Process for the preparation of urea
CNB028090241A CN1260208C (zh) 2001-05-03 2002-04-24 脲的制备方法
PCT/NL2002/000263 WO2002090323A1 (en) 2001-05-03 2002-04-24 Process for the preparation of urea
US10/474,734 US6852886B2 (en) 2001-05-03 2002-04-24 Process for the preparation of urea
GCP20021974 GC0000391A (en) 2001-05-03 2002-04-30 Process for the preparation of urea
MYPI20021603A MY124851A (en) 2001-05-03 2002-05-02 Process for the preparation of urea
EG20020452A EG22992A (en) 2001-05-03 2002-05-04 Process for the preparation of urea

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1017990 2001-05-03
NL1017990A NL1017990C2 (nl) 2001-05-03 2001-05-03 Werkwijze voor de bereiding van ureum.

Publications (1)

Publication Number Publication Date
NL1017990C2 true NL1017990C2 (nl) 2002-11-05

Family

ID=19773343

Family Applications (1)

Application Number Title Priority Date Filing Date
NL1017990A NL1017990C2 (nl) 2001-05-03 2001-05-03 Werkwijze voor de bereiding van ureum.

Country Status (11)

Country Link
US (1) US6852886B2 (ru)
CN (1) CN1260208C (ru)
AU (1) AU2002303036B2 (ru)
CA (1) CA2445589C (ru)
EG (1) EG22992A (ru)
GC (1) GC0000391A (ru)
MX (1) MXPA03010020A (ru)
MY (1) MY124851A (ru)
NL (1) NL1017990C2 (ru)
RU (1) RU2254331C1 (ru)
WO (1) WO2002090323A1 (ru)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1375475A1 (en) * 2002-06-28 2004-01-02 Urea Casale S.A. Plant for urea production
NL1023303C2 (nl) * 2003-04-29 2004-11-01 Dsm Nv Werkwijze voor de bereiding van een ureum- en formaldehydebevattende waterige oplossing.
NL1026607C2 (nl) * 2004-07-07 2006-01-10 Dsm Ip Assets Bv Werkwijze voor de bereiding van ureum.
NL1027697C2 (nl) * 2004-12-09 2006-06-12 Dsm Ip Assets Bv Werkwijze voor het verhogen van de capaciteit van een bestaand ureumproces.
NL1028497C2 (nl) 2005-03-09 2006-09-12 Dsm Ip Assets Bv Werkwijze voor de bereiding van een ureum-bevattende waterige stroom.
EP1719755A1 (en) * 2005-05-04 2006-11-08 Urea Casale S.A. Process for urea production and related plant
EA019704B1 (ru) * 2005-05-13 2014-05-30 Стамикарбон Б.В. Способ концентрирования потока водного карбамата аммония
EP1918274A1 (en) 2006-11-04 2008-05-07 Urea Casale S.A. Integrated process for urea and melamine production
EP1918273A1 (en) * 2006-11-04 2008-05-07 Urea Casale S.A. Process for urea production and related plant
EP2107051A1 (en) 2008-04-02 2009-10-07 DSM IP Assets B.V. Process for inreasing the capacity of an existing urea plant
BR112014026866B1 (pt) * 2012-05-03 2020-09-24 Stamicarbon B.V. Processo e aparelho para a produção de ureia a partir de amônia e dióxido de carbono
GB201208312D0 (en) * 2012-05-11 2012-06-27 Afc Energy Plc Fuel cell system
DE102013113980A1 (de) * 2013-12-12 2015-06-18 Thyssenkrupp Ag Verfahren zur Herstellung von Ammoniakgas und CO2 für eine Harnstoffsynthese
US10376859B2 (en) 2016-03-30 2019-08-13 Stamicarbon B.V. Urea production with bi-pressurized synthesis
EP3452444B1 (en) 2016-05-03 2020-06-10 Stamicarbon B.V. Controlling biuret in urea production
CN109070043B (zh) 2016-05-03 2019-12-06 斯塔米卡邦有限公司 在控制缩二脲的情况下的尿素生产
CN111278804B (zh) 2017-10-27 2021-07-20 斯塔米卡邦有限公司 高压氨基甲酸盐冷凝器
CA3186903A1 (en) 2020-06-23 2021-12-30 Stamicarbon B.V. Thermal stripping urea plant and process
JP2024506980A (ja) 2021-02-22 2024-02-15 スタミカーボン・ベー・フェー 尿素製造プロセス及び並列ｍｐユニットを備えたプラント
WO2023158303A1 (en) 2022-02-15 2023-08-24 Stamicarbon B.V. Stripping-type urea plant for def production
WO2024010450A1 (en) 2022-07-07 2024-01-11 Stamicarbon B.V. Production of urea and melamine
US20240262789A1 (en) 2022-11-22 2024-08-08 Stamicarbon B.V. Multiproduct low biuret urea production

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8900152A (nl) * 1989-01-23 1990-08-16 Stamicarbon Werkwijze voor de bereiding van ureum.

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1004977C2 (nl) * 1997-01-13 1998-07-15 Dsm Nv Methode om de capaciteit van een bestaand ureum proces te verhogen.

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8900152A (nl) * 1989-01-23 1990-08-16 Stamicarbon Werkwijze voor de bereiding van ureum.

Also Published As

Publication number Publication date
CA2445589A1 (en) 2002-11-14
RU2254331C1 (ru) 2005-06-20
AU2002303036B2 (en) 2008-01-10
RU2003134953A (ru) 2005-05-27
WO2002090323A1 (en) 2002-11-14
CA2445589C (en) 2011-06-28
MY124851A (en) 2006-07-31
GC0000391A (en) 2007-03-31
US6852886B2 (en) 2005-02-08
MXPA03010020A (es) 2004-02-12
EG22992A (en) 2003-12-31
CN1260208C (zh) 2006-06-21
US20040116743A1 (en) 2004-06-17
CN1505610A (zh) 2004-06-16

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Legal Events

Date Code Title Description
PD2B A search report has been drawn up
SD Assignments of patents

Owner name: DSM IP ASSETS B.V.

Effective date: 20050915

TD Modifications of names of proprietors of patents

Owner name: KONINKLIJKE DSM N.V.

Effective date: 20050915

SD Assignments of patents

Effective date: 20100831

MM Lapsed because of non-payment of the annual fee

Effective date: 20160601