FR1575004A - - Google Patents

Info

Publication number
FR1575004A
FR1575004A FR1575004DA FR1575004A FR 1575004 A FR1575004 A FR 1575004A FR 1575004D A FR1575004D A FR 1575004DA FR 1575004 A FR1575004 A FR 1575004A
Authority
FR
France
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
French (fr)
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
Application filed filed Critical
Application granted granted Critical
Publication of FR1575004A publication Critical patent/FR1575004A/fr
Expired legal-status Critical Current

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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/10—Process efficiency

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
FR1575004D 1967-07-19 1968-07-19 Expired FR1575004A (enFirst)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4610467 1967-07-19

Publications (1)

Publication Number Publication Date
FR1575004A true FR1575004A (enFirst) 1969-07-18

Family

ID=12737672

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1575004D Expired FR1575004A (enFirst) 1967-07-19 1968-07-19

Country Status (6)

Country Link
US (1) US3503970A (enFirst)
DE (1) DE1770788A1 (enFirst)
FR (1) FR1575004A (enFirst)
GB (1) GB1216100A (enFirst)
NL (1) NL6810104A (enFirst)
SU (1) SU370774A3 (enFirst)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL6801577A (enFirst) * 1968-02-02 1969-08-05
US3700672A (en) * 1969-04-15 1972-10-24 Nissan Chemical Ind Ltd Process for recovering by-product gases at high pressure in melamine production
NL6919152A (enFirst) * 1969-12-20 1971-06-22
US3723430A (en) * 1970-10-28 1973-03-27 Nissan Chemical Ind Ltd Method for reclamation of melamine waste gas
NL168506C (nl) * 1970-12-31 1982-04-16 Stamicarbon Werkwijze voor de bereiding van ureum.
NL1004475C2 (nl) * 1996-11-08 1998-05-11 Dsm Nv Werkwijze voor de bereiding van ureum.
TW385307B (en) * 1996-08-30 2000-03-21 Dsm Nv Process for the preparation of urea
NL1003923C2 (nl) * 1996-08-30 1998-03-04 Dsm Nv Werkwijze voor de bereiding van ureum.
NL1005118C2 (nl) * 1997-01-29 1998-07-30 Dsm Nv Werkwijze voor de bereiding van ureum.
ES2239236T3 (es) * 2001-07-24 2005-09-16 Dsm Ip Assets B.V. Metodo para obtener una solucion de carbamato de amonio a partir de una mezcla gaseosa que contiene amoniaco, agua y dioxido de carbono.
PL1634869T3 (pl) * 2004-09-09 2011-12-30 Urea Casale Sa Zintegrowany proces produkcji mocznika i melaminy oraz związana z nim instalacja
DE102005023042B4 (de) * 2005-05-06 2007-10-31 Lurgi Ag Verfahren zur Herstellung von Melamin
EP1918274A1 (en) * 2006-11-04 2008-05-07 Urea Casale S.A. Integrated process for urea and melamine production
IT1403101B1 (it) * 2010-12-15 2013-10-04 Eurotecnica Melamine Luxemburg Zweigniederlassung In Ittigen Uso di urea contenente formaldeide in un procedimento per la produzione di melammina mediante pirolisi dell'urea e relativo procedimento per la produzione di melammina
US8728210B2 (en) * 2011-07-07 2014-05-20 Hsueh Yuan Lee Exhaust gas treatment apparatus and method
CN102491920A (zh) * 2011-10-27 2012-06-13 山东省舜天化工集团有限公司 一种利用三聚氰胺尾气联产液体尿素的方法
CN111995592B (zh) * 2020-09-30 2024-02-06 四川金象赛瑞化工股份有限公司 一种尿素与三聚氰胺联产的方法和装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3310558A (en) * 1967-03-21 Melamine recovery

Also Published As

Publication number Publication date
GB1216100A (en) 1970-12-16
US3503970A (en) 1970-03-31
SU370774A3 (enFirst) 1973-02-15
DE1770788A1 (de) 1972-02-17
NL6810104A (enFirst) 1969-01-21

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Legal Events

Date Code Title Description
CD Change of name or company name
ST Notification of lapse