FR1576811A - - Google Patents

Info

Publication number
FR1576811A
FR1576811A FR1576811DA FR1576811A FR 1576811 A FR1576811 A FR 1576811A FR 1576811D A FR1576811D A FR 1576811DA FR 1576811 A FR1576811 A FR 1576811A
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)
Inventor
M Guadalupi
U Zardi
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 FR1576811A publication Critical patent/FR1576811A/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
    • C07C273/04—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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J17/00—Gas-filled discharge tubes with solid cathode
    • H01J17/02—Details
    • H01J17/04—Electrodes; Screens
    • H01J17/06—Cathodes
    • H01J17/066—Cold cathodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0064—Tubes with cold main electrodes (including cold cathodes)
    • H01J2893/0065—Electrode systems
    • H01J2893/0066—Construction, material, support, protection and temperature regulation of electrodes; Electrode cups
    • 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
    • Y02P20/141—Feedstock

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
FR1576811D 1967-09-29 1968-08-02 Expired FR1576811A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2102767 1967-09-29

Publications (1)

Publication Number Publication Date
FR1576811A true FR1576811A (de) 1969-08-01

Family

ID=11175595

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1576811D Expired FR1576811A (de) 1967-09-29 1968-08-02

Country Status (15)

Country Link
JP (1) JPS5432767B1 (de)
AT (1) AT290545B (de)
BE (1) BE719035A (de)
CH (1) CH487855A (de)
CS (1) CS155191B2 (de)
DE (1) DE1768776B2 (de)
DK (1) DK118396B (de)
ES (1) ES358855A1 (de)
FR (1) FR1576811A (de)
GB (1) GB1184004A (de)
IE (1) IE32209B1 (de)
LU (1) LU56630A1 (de)
NL (1) NL161137C (de)
NO (1) NO145949C (de)
SE (1) SE373574B (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5053538A (en) * 1987-08-13 1991-10-01 Austral-Pacific Fertilizers Ltd. Process for enhanced urea production

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL174548C (nl) * 1977-05-05 1988-05-16 Montedison Spa Werkwijze voor het bereiden van ureum door reaktie van ammoniak en kooldioxyde.
NL7713190A (nl) * 1977-11-30 1979-06-01 Unie Van Kunstmestfab Bv Werkwijze en inrichting voor het verwijderen van ammoniumcarbamaat uit een ureumsynthese- oplossing.
IT1209532B (it) * 1984-04-20 1989-08-30 Snam Progetti Processo per la sintesi di urea e materiale utilizzato nello stesso.
IT1274362B (it) 1995-02-16 1997-07-17 Snam Progetti Procedimento ad alta resa per la sintesi dell'urea
ITMI20120013A1 (it) 2012-01-09 2013-07-10 Saipem Spa Procedimento per la sintesi di urea comprendente un flusso di passivazione a fondo stripper
US20240092730A1 (en) 2021-12-20 2024-03-21 Stamicarbon B.V. Thermal stripping urea production

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5053538A (en) * 1987-08-13 1991-10-01 Austral-Pacific Fertilizers Ltd. Process for enhanced urea production

Also Published As

Publication number Publication date
DE1768776B2 (de) 1973-05-03
ES358855A1 (es) 1970-05-16
CH487855A (fr) 1970-03-31
CS155191B2 (en) 1974-05-30
GB1184004A (en) 1970-03-11
IE32209L (en) 1969-03-29
DE1768776A1 (de) 1971-09-16
JPS5432767B1 (de) 1979-10-16
NL161137C (nl) 1980-01-15
NL6808895A (de) 1969-04-01
AT290545B (de) 1971-06-11
NL161137B (nl) 1979-08-15
BE719035A (de) 1969-01-16
SE373574B (sv) 1975-02-10
LU56630A1 (de) 1968-11-14
DK118396B (da) 1970-08-17
NO145949C (no) 1982-06-30
NO145949B (no) 1982-03-22
IE32209B1 (en) 1973-05-16

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