NL77361C - - Google Patents

Info

Publication number
NL77361C
NL77361C NL77361DC NL77361C NL 77361 C NL77361 C NL 77361C NL 77361D C NL77361D C NL 77361DC NL 77361 C NL77361 C NL 77361C
Authority
NL
Netherlands
Application number
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.)
Family has litigation
Publication of NL77361C publication Critical patent/NL77361C/xx
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=19784292&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=NL77361(C) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

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
NL77361D 1953-04-15 NL77361C (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL329362X 1953-04-15

Publications (1)

Publication Number Publication Date
NL77361C true NL77361C (de)

Family

ID=19784292

Family Applications (1)

Application Number Title Priority Date Filing Date
NL77361D NL77361C (de) 1953-04-15

Country Status (9)

Country Link
US (1) US2727069A (de)
BE (1) BE527914A (de)
CH (1) CH329362A (de)
CY (1) CY266A (de)
DE (1) DE953876C (de)
FR (1) FR1098397A (de)
GB (1) GB739876A (de)
MY (1) MY6400004A (de)
NL (1) NL77361C (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH326158A (de) * 1954-05-17 1957-12-15 Inventa Ag Verfahren zur Herstellung von reinem Harnstoff
US3137724A (en) * 1956-04-16 1964-06-16 Lonza Electric & Chem Works Process for the pressure synthesis of urea
US2999008A (en) * 1957-03-20 1961-09-05 Vulcan Cincinnati Inc Purification of carbon dioxide for urea synthesis
BE639788A (de) * 1963-05-29
US3251843A (en) * 1964-03-02 1966-05-17 Nissan Chemical Ind Ltd Melamine production improvement
US3488293A (en) * 1964-10-16 1970-01-06 Allied Chem Prevention of corrosion due to urea fertilizer effluent
NL164328C (nl) * 1970-04-02 1980-12-15 Stamicarbon Werkwijze voor het verhogen van de weerstand tegen cor- rosie van austenitische chroom-nikkelstalen, alsmede werkwijze voor de bereiding van ureum in apperatuur waarvan de weerstand tegen corrosie aldus is verhoogd.
DE3364579D1 (en) * 1982-06-03 1986-08-28 Montedison Spa Method for avoiding the corrosion of strippers in urea manufacturing plants
FR2570083B1 (fr) * 1984-09-07 1989-09-29 Creusot Loire Elements metalliques utilisables dans les installations de synthese de l'uree
DE4424638A1 (de) * 1994-07-13 1996-04-11 Univ Dresden Tech Verfahren zur Herstellung von oxidischen Korrosionsschutzschichten auf hoch chromlegierten Stählen
DE19544224B4 (de) * 1995-11-28 2004-10-14 Alstom Chemische Fahrweise eines Wasser/Dampf-Kreislaufes
NL1014512C2 (nl) 2000-02-28 2001-08-29 Dsm Nv Methode voor het lassen van duplex staal.
CA2457200A1 (en) * 2001-08-31 2003-03-06 Dsm Ip Assets B.V. Process for rendering metals corrosion resistant
EP2107051A1 (de) 2008-04-02 2009-10-07 DSM IP Assets B.V. Verfahren zur Erhöhung der Kapazität einer vorhandenen Harnstoffanlage
EP2123633A1 (de) 2008-05-19 2009-11-25 DSM IP Assets B.V. Verfahren zur Herstellung von Harnstoff aus Ammoniak und Kohlendioxid
EP2123634A1 (de) 2008-05-19 2009-11-25 DSM IP Assets B.V. Verfahren zur Herstellung von Harnstoff aus Ammoniak und Kohlendioxid
ITMI20120013A1 (it) 2012-01-09 2013-07-10 Saipem Spa Procedimento per la sintesi di urea comprendente un flusso di passivazione a fondo stripper
WO2014192823A1 (ja) * 2013-05-28 2014-12-04 東洋エンジニアリング株式会社 尿素合成方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE301751C (de) *
BE515510A (de) *
BE491319A (de) * 1946-11-15 1900-01-01
NL148963C (de) * 1947-06-27 1900-01-01
US2680766A (en) * 1951-03-23 1954-06-08 Du Pont Method of inhibiting corrosion in urea synthesis reactors

Also Published As

Publication number Publication date
BE527914A (de)
CH329362A (de) 1958-04-30
US2727069A (en) 1955-12-13
MY6400004A (en) 1964-12-31
CY266A (en) 1963-10-02
DE953876C (de) 1956-12-06
FR1098397A (fr) 1955-07-25
GB739876A (en) 1955-11-02

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