NL1005118C2 - Werkwijze voor de bereiding van ureum. - Google Patents

Werkwijze voor de bereiding van ureum. Download PDF

Info

Publication number
NL1005118C2
NL1005118C2 NL1005118A NL1005118A NL1005118C2 NL 1005118 C2 NL1005118 C2 NL 1005118C2 NL 1005118 A NL1005118 A NL 1005118A NL 1005118 A NL1005118 A NL 1005118A NL 1005118 C2 NL1005118 C2 NL 1005118C2
Authority
NL
Netherlands
Prior art keywords
pressure
urea
melamine
reactor
carbamate
Prior art date
Application number
NL1005118A
Other languages
English (en)
Dutch (nl)
Inventor
Jozef Hubert Meessen
Julius Gerardus Theodoru Wijck
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=19764295&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=NL1005118(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 NL1005118A priority Critical patent/NL1005118C2/nl
Priority to KR10-1999-7006744A priority patent/KR100522226B1/ko
Priority to EP98900772A priority patent/EP0977731B1/de
Priority to ES98900772T priority patent/ES2180139T3/es
Priority to AT98900772T priority patent/ATE220392T1/de
Priority to TW087100694A priority patent/TW513396B/zh
Priority to DE69806475T priority patent/DE69806475T2/de
Priority to CA002279235A priority patent/CA2279235C/en
Priority to PL334875A priority patent/PL196634B1/pl
Priority to IDW990763A priority patent/ID22135A/id
Priority to JP53185498A priority patent/JP4063333B2/ja
Priority to CN98803584A priority patent/CN1119326C/zh
Priority to PCT/NL1998/000036 priority patent/WO1998032731A1/en
Priority to AU55788/98A priority patent/AU726205B2/en
Publication of NL1005118C2 publication Critical patent/NL1005118C2/nl
Application granted granted Critical
Priority to US09/361,710 priority patent/US6111138A/en
Priority to NO19993698A priority patent/NO312545B1/no

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
    • C07C273/12—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)
NL1005118A 1997-01-29 1997-01-29 Werkwijze voor de bereiding van ureum. NL1005118C2 (nl)

Priority Applications (16)

Application Number Priority Date Filing Date Title
NL1005118A NL1005118C2 (nl) 1997-01-29 1997-01-29 Werkwijze voor de bereiding van ureum.
PL334875A PL196634B1 (pl) 1997-01-29 1998-01-20 Sposób wytwarzania mocznika
JP53185498A JP4063333B2 (ja) 1997-01-29 1998-01-20 尿素製造方法
ES98900772T ES2180139T3 (es) 1997-01-29 1998-01-20 Procedimiento para preparar urea.
AT98900772T ATE220392T1 (de) 1997-01-29 1998-01-20 Verfahren zur herstellung von harnstoff
TW087100694A TW513396B (en) 1997-01-29 1998-01-20 Process for preparing urea
DE69806475T DE69806475T2 (de) 1997-01-29 1998-01-20 Verfahren zur herstellung von harnstoff
CA002279235A CA2279235C (en) 1997-01-29 1998-01-20 Process for preparing urea
KR10-1999-7006744A KR100522226B1 (ko) 1997-01-29 1998-01-20 우레아의 제조방법
IDW990763A ID22135A (id) 1997-01-29 1998-01-20 Proses pembuatan urea
EP98900772A EP0977731B1 (de) 1997-01-29 1998-01-20 Verfahren zur herstellung von harnstoff
CN98803584A CN1119326C (zh) 1997-01-29 1998-01-20 制备脲的方法
PCT/NL1998/000036 WO1998032731A1 (en) 1997-01-29 1998-01-20 Process for preparing urea
AU55788/98A AU726205B2 (en) 1997-01-29 1998-01-20 Process for preparing urea
US09/361,710 US6111138A (en) 1997-01-29 1999-07-28 Process for preparing urea
NO19993698A NO312545B1 (no) 1997-01-29 1999-07-29 Fremgangsmåte ved fremstilling av urea

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.
NL1005118 1997-01-29

Publications (1)

Publication Number Publication Date
NL1005118C2 true NL1005118C2 (nl) 1998-07-30

Family

ID=19764295

Family Applications (1)

Application Number Title Priority Date Filing Date
NL1005118A NL1005118C2 (nl) 1997-01-29 1997-01-29 Werkwijze voor de bereiding van ureum.

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 (30)

* Cited by examiner, † Cited by third party
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.
US8216170B2 (en) * 2004-12-22 2012-07-10 Ossur Hf Orthopedic device
US7597675B2 (en) 2004-12-22 2009-10-06 össur hf Knee brace and method for securing the same
US8585623B2 (en) * 2004-12-22 2013-11-19 Ossur Hf Orthopedic device
US8425441B2 (en) * 2004-12-22 2013-04-23 Ossur Hf Spacer element for use in an orthopedic or prosthetic device
US8231560B2 (en) * 2004-12-22 2012-07-31 Ossur Hf Orthotic device and method for securing the same
US7794418B2 (en) * 2004-12-22 2010-09-14 Ossur Hf Knee brace and method for securing the same
US7713225B2 (en) 2004-12-22 2010-05-11 Ossur Hf Knee brace and method for securing the same
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
CN103553972B (zh) 2009-08-21 2017-04-12 旭化成株式会社 N‑取代氨基甲酸酯的制造方法、使用该n‑取代氨基甲酸酯制造异氰酸酯的方法
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
EP2941226B1 (de) 2013-01-07 2017-09-06 Ossur Hf Orthopädische vorrichtung und verfahren zur befestigung davon
US9375341B2 (en) 2013-01-31 2016-06-28 Ossur Hf Orthopedic device having detachable components for treatment stages and method for using the same
EP2950758B1 (de) 2013-01-31 2020-11-18 Össur HF Progressive kraftbandanordnung zur verwendung mit einer orthopädischen vorrichtung
EP2983627B1 (de) 2013-04-08 2018-12-12 Ossur hf Bandbefestigungssystem für orthopädische vorrichtung
US10052221B2 (en) 2015-01-06 2018-08-21 Ossur Iceland Ehf Orthopedic device for treating osteoarthritis of the knee
WO2017214091A1 (en) 2016-06-06 2017-12-14 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
WO2019071251A2 (en) 2017-10-06 2019-04-11 Ossur Iceland Ehf ORTHOPEDIC DEVICE FOR UNLOADING A KNEE
IT201800006795A1 (it) * 2018-06-29 2019-12-29 Procedimento di conversione diretta di off-gas anidri da impianti melammina in urea
USD888258S1 (en) 2018-10-08 2020-06-23 Ossur Iceland Ehf Connector assembly
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
EP4267049A1 (de) 2020-12-28 2023-11-01 Ossur Iceland Ehf Hülse und verfahren zur verwendung mit einer orthopädischen vorrichtung
WO2024112198A1 (en) 2022-11-22 2024-05-30 Stamicarbon B.V. Urea melamine plant with melamine off-gas condenser

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2013682A1 (de) * 1968-07-25 1970-04-03 Basf Ag
GB1216100A (en) * 1967-07-19 1970-12-16 Mitsui Toatsu Chemicals Production of urea and melamine
GB1309275A (en) * 1969-11-01 1973-03-07 Nissan Chemical Ind Ltd Synthesis of urea from melamine synthesis waste gas
US4433146A (en) * 1982-04-07 1984-02-21 Stamicarbon B.V. Process for the preparation of melamine

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3723430A (en) * 1970-10-28 1973-03-27 Nissan Chemical Ind Ltd Method for reclamation of melamine waste gas
NL8400839A (nl) * 1984-03-16 1985-10-16 Unie Van Kunstmestfab Bv Werkwijze voor de bereiding van ureum.

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1216100A (en) * 1967-07-19 1970-12-16 Mitsui Toatsu Chemicals Production of urea and melamine
FR2013682A1 (de) * 1968-07-25 1970-04-03 Basf Ag
GB1309275A (en) * 1969-11-01 1973-03-07 Nissan Chemical Ind Ltd Synthesis of urea from melamine synthesis waste gas
US4433146A (en) * 1982-04-07 1984-02-21 Stamicarbon B.V. Process for the preparation of melamine

Also Published As

Publication number Publication date
CA2279235A1 (en) 1998-07-30
EP0977731B1 (de) 2002-07-10
PL196634B1 (pl) 2008-01-31
ID22135A (id) 1999-09-09
US6111138A (en) 2000-08-29
TW513396B (en) 2002-12-11
NO993698L (no) 1999-09-21
AU5578898A (en) 1998-08-18
ES2180139T3 (es) 2003-02-01
ATE220392T1 (de) 2002-07-15
EP0977731A1 (de) 2000-02-09
DE69806475D1 (de) 2002-08-14
CN1251088A (zh) 2000-04-19
KR20000070500A (ko) 2000-11-25
WO1998032731A1 (en) 1998-07-30
CN1119326C (zh) 2003-08-27
NO312545B1 (no) 2002-05-27
JP2001509159A (ja) 2001-07-10
CA2279235C (en) 2006-12-12
NO993698D0 (no) 1999-07-29
AU726205B2 (en) 2000-11-02
KR100522226B1 (ko) 2005-10-17
JP4063333B2 (ja) 2008-03-19
DE69806475T2 (de) 2003-02-27
PL334875A1 (en) 2000-03-27

Similar Documents

Publication Publication Date Title
NL1005118C2 (nl) Werkwijze voor de bereiding van ureum.
CA2264135C (en) Process for the preparation of urea
EA200400015A1 (ru) Улучшенный способ получения меламина высокой чистоты с высоким выходом
NL1003923C2 (nl) Werkwijze voor de bereiding van ureum.
NL1003105C2 (nl) Werkwijze voor de bereiding van melamine.
CA2293801C (en) Process and apparatus for melamine manufacture
KR101011548B1 (ko) 우레아 플랜트의 용량을 증가시키는 방법
NL1009516C2 (nl) Werkwijze voor de bereiding van ureum.
NL1007713C2 (nl) Werkwijze voor de bereiding van ureum.
NL1014756C2 (nl) Reactor en werkwijze voor de bereiding van ureum.
EP3521278B1 (de) Verfahren zur umgestaltung einer hochdruckmelaminanlage
NL8602770A (nl) Werkwijze voor de bereiding van ureum.
NL1004475C2 (nl) Werkwijze voor de bereiding van ureum.
EP3656759A1 (de) Verfahren zur synthese von harnstoff
NL1002669C2 (nl) Werkwijze voor de bereiding van melamine.
NL1016797C2 (nl) Werkwijze voor de bereiding van ureum.
NL1014281C2 (nl) Werkwijze voor de bereiding van melamine uit ureum.
NL1015929C2 (nl) Werkwijze voor de bereiding van melamine uit ureum.
NL1016643C2 (nl) Werkwijze voor de bereiding van ureum.
CN112703181A (zh) 将来自三聚氰胺合成设备的无水废气流转化成尿素的方法
NL1014280C2 (nl) Werkwijze voor de bereiding van melamine uit ureum.
KR100509078B1 (ko) 멜라민의 제조방법
NL1013217C2 (nl) Werkwijze voor de bereiding van melamine.
MXPA99007028A (en) Process for preparing urea

Legal Events

Date Code Title Description
PD2B A search report has been drawn up
VD1 Lapsed due to non-payment of the annual fee

Effective date: 20010801