FR2042135A5 - - Google Patents

Info

Publication number
FR2042135A5
FR2042135A5 FR7009891A FR7009891A FR2042135A5 FR 2042135 A5 FR2042135 A5 FR 2042135A5 FR 7009891 A FR7009891 A FR 7009891A FR 7009891 A FR7009891 A FR 7009891A FR 2042135 A5 FR2042135 A5 FR 2042135A5
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
FR7009891A
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SnamProgetti SpA
Original Assignee
SnamProgetti SpA
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 by SnamProgetti SpA filed Critical SnamProgetti SpA
Application granted granted Critical
Publication of FR2042135A5 publication Critical patent/FR2042135A5/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
    • C07C273/14—Separation; Purification; Stabilisation; Use of additives
    • C07C273/16—Separation; Purification
    • 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
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/582—Recycling of unreacted starting or intermediate materials

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
FR7009891A 1969-04-04 1970-03-19 Expired FR2042135A5 (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1507269 1969-04-04

Publications (1)

Publication Number Publication Date
FR2042135A5 true FR2042135A5 (xx) 1971-02-05

Family

ID=11146229

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7009891A Expired FR2042135A5 (xx) 1969-04-04 1970-03-19

Country Status (17)

Country Link
JP (1) JPS5238017B1 (xx)
AT (1) AT305304B (xx)
BE (1) BE747769A (xx)
BR (1) BR7017988D0 (xx)
CA (1) CA949918A (xx)
CH (1) CH514555A (xx)
CS (1) CS152471B2 (xx)
DE (1) DE2015781B2 (xx)
ES (1) ES378592A1 (xx)
FR (1) FR2042135A5 (xx)
GB (1) GB1292515A (xx)
IE (1) IE34603B1 (xx)
LU (1) LU60616A1 (xx)
NL (1) NL7004886A (xx)
RO (1) RO69432A (xx)
YU (1) YU35113B (xx)
ZM (1) ZM3570A1 (xx)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1209532B (it) * 1984-04-20 1989-08-30 Snam Progetti Processo per la sintesi di urea e materiale utilizzato nello stesso.
JP3259661B2 (ja) * 1997-06-27 2002-02-25 株式会社イトーキクレビオ パネル体連結装置
ITMI20120013A1 (it) 2012-01-09 2013-07-10 Saipem Spa Procedimento per la sintesi di urea comprendente un flusso di passivazione a fondo stripper
DE102019208859A1 (de) 2019-06-18 2020-12-24 Skw Stickstoffwerke Piesteritz Gmbh Verfahren zur kontinuierlichen Herstellung reiner Harnstofflösungen durch Verwertung von Prozesswasser

Also Published As

Publication number Publication date
IE34603L (en) 1970-10-04
CS152471B2 (xx) 1973-12-19
YU35113B (en) 1980-09-25
NL7004886A (xx) 1970-10-06
BR7017988D0 (pt) 1973-04-12
YU85270A (en) 1979-12-31
GB1292515A (en) 1972-10-11
AT305304B (de) 1973-01-15
BE747769A (fr) 1970-08-31
RO69432A (ro) 1980-12-30
IE34603B1 (en) 1975-06-25
CA949918A (en) 1974-06-25
JPS5238017B1 (xx) 1977-09-27
LU60616A1 (xx) 1970-05-28
ZM3570A1 (en) 1971-07-22
ES378592A1 (es) 1972-06-16
CH514555A (fr) 1971-10-31
DE2015781B2 (de) 1973-05-03
DE2015781A1 (de) 1970-10-08

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Legal Events

Date Code Title Description
ST Notification of lapse