NO993698L - FremgangsmÕte ved fremstilling av urea - Google Patents

FremgangsmÕte ved fremstilling av urea

Info

Publication number
NO993698L
NO993698L NO993698A NO993698A NO993698L NO 993698 L NO993698 L NO 993698L NO 993698 A NO993698 A NO 993698A NO 993698 A NO993698 A NO 993698A NO 993698 L NO993698 L NO 993698L
Authority
NO
Norway
Prior art keywords
urea
pressure
melamine
preparation
ammonia
Prior art date
Application number
NO993698A
Other languages
English (en)
Other versions
NO312545B1 (no
NO993698D0 (no
Inventor
Julius Gerardus Theodoru Wijck
Jozef Hubert Meessen
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=NO993698(L) "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
Publication of NO993698D0 publication Critical patent/NO993698D0/no
Publication of NO993698L publication Critical patent/NO993698L/no
Publication of NO312545B1 publication Critical 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)
NO19993698A 1997-01-29 1999-07-29 Fremgangsmåte ved fremstilling av urea NO312545B1 (no)

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 (3)

Publication Number Publication Date
NO993698D0 NO993698D0 (no) 1999-07-29
NO993698L true NO993698L (no) 1999-09-21
NO312545B1 NO312545B1 (no) 2002-05-27

Family

ID=19764295

Family Applications (1)

Application Number Title Priority Date Filing Date
NO19993698A NO312545B1 (no) 1997-01-29 1999-07-29 Fremgangsmåte ved fremstilling av urea

Country Status (16)

Country Link
US (1) US6111138A (no)
EP (1) EP0977731B1 (no)
JP (1) JP4063333B2 (no)
KR (1) KR100522226B1 (no)
CN (1) CN1119326C (no)
AT (1) ATE220392T1 (no)
AU (1) AU726205B2 (no)
CA (1) CA2279235C (no)
DE (1) DE69806475T2 (no)
ES (1) ES2180139T3 (no)
ID (1) ID22135A (no)
NL (1) NL1005118C2 (no)
NO (1) NO312545B1 (no)
PL (1) PL196634B1 (no)
TW (1) TW513396B (no)
WO (1) WO1998032731A1 (no)

Families Citing this family (31)

* 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
US8425441B2 (en) * 2004-12-22 2013-04-23 Ossur Hf Spacer element for use in an orthopedic or prosthetic device
US8585623B2 (en) * 2004-12-22 2013-11-19 Ossur Hf Orthopedic 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
US7713225B2 (en) * 2004-12-22 2010-05-11 Ossur Hf Knee brace and method for securing the same
US8231560B2 (en) * 2004-12-22 2012-07-31 Ossur Hf Orthotic device and method for securing the same
DE602005024680D1 (de) * 2005-08-10 2010-12-23 Urea Casale Sa Verfahren zur integrierten Herstellung von Harnstoff und Melamin
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
US9474334B2 (en) 2012-11-13 2016-10-25 Ossur Hf Fastener member for affixation to a structure in an orthopedic device and method for securing the same
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
EP2950759B1 (en) 2013-01-31 2020-05-13 Ossur Hf Orthopedic device having detachable components for treatment stages
WO2014120393A1 (en) 2013-01-31 2014-08-07 Ossur Hf Progressive force strap assembly for use with an orthopedic device
WO2014168910A1 (en) 2013-04-08 2014-10-16 Ossur Hf Strap attachment system for orthopedic device
US10052221B2 (en) 2015-01-06 2018-08-21 Ossur Iceland Ehf Orthopedic device for treating osteoarthritis of the knee
EP3053915A1 (en) * 2015-02-06 2016-08-10 Casale SA Method for revamping a high pressure melamine plant
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
CN111278390B (zh) 2017-10-06 2022-12-20 奥索冰岛有限公司 用于膝盖卸荷的矫形装置
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
USD888258S1 (en) 2018-10-08 2020-06-23 Ossur Iceland Ehf Connector assembly
USD908458S1 (en) 2018-10-08 2021-01-26 Ossur Iceland Ehf Hinge cover
US11872150B2 (en) 2020-12-28 2024-01-16 Ossur Iceland Ehf Sleeve and method for use with orthopedic device
EP4605381A1 (en) 2022-11-22 2025-08-27 Stamicarbon B.V. Coupled urea melamine plant

Family Cites Families (6)

* Cited by examiner, † Cited by third party
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 (no) * 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.

Also Published As

Publication number Publication date
EP0977731B1 (en) 2002-07-10
DE69806475T2 (de) 2003-02-27
NL1005118C2 (nl) 1998-07-30
ATE220392T1 (de) 2002-07-15
WO1998032731A1 (en) 1998-07-30
PL334875A1 (en) 2000-03-27
ES2180139T3 (es) 2003-02-01
EP0977731A1 (en) 2000-02-09
JP4063333B2 (ja) 2008-03-19
CN1119326C (zh) 2003-08-27
PL196634B1 (pl) 2008-01-31
DE69806475D1 (de) 2002-08-14
CA2279235C (en) 2006-12-12
CA2279235A1 (en) 1998-07-30
US6111138A (en) 2000-08-29
KR100522226B1 (ko) 2005-10-17
ID22135A (id) 1999-09-09
TW513396B (en) 2002-12-11
CN1251088A (zh) 2000-04-19
NO312545B1 (no) 2002-05-27
NO993698D0 (no) 1999-07-29
KR20000070500A (ko) 2000-11-25
AU726205B2 (en) 2000-11-02
AU5578898A (en) 1998-08-18
JP2001509159A (ja) 2001-07-10

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