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
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT2102767 | 1967-09-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1576811A true FR1576811A (en) | 1969-08-01 |
Family
ID=11175595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR1576811D Expired FR1576811A (en) | 1967-09-29 | 1968-08-02 |
Country Status (15)
| Country | Link |
|---|---|
| JP (1) | JPS5432767B1 (en) |
| AT (1) | AT290545B (en) |
| BE (1) | BE719035A (en) |
| CH (1) | CH487855A (en) |
| CS (1) | CS155191B2 (en) |
| DE (1) | DE1768776B2 (en) |
| DK (1) | DK118396B (en) |
| ES (1) | ES358855A1 (en) |
| FR (1) | FR1576811A (en) |
| GB (1) | GB1184004A (en) |
| IE (1) | IE32209B1 (en) |
| LU (1) | LU56630A1 (en) |
| NL (1) | NL161137C (en) |
| NO (1) | NO145949C (en) |
| SE (1) | SE373574B (en) |
Cited By (1)
| 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)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO150512C (en) * | 1977-05-05 | 1984-10-31 | Montedison Spa | PROCEDURE FOR MANUFACTURING UREA. |
| NL7713190A (en) * | 1977-11-30 | 1979-06-01 | Unie Van Kunstmestfab Bv | METHOD AND DEVICE FOR THE REMOVAL OF AMMONIUM CARBAMATE FROM A UREEA SYNTHESIS SOLUTION. |
| IT1209532B (en) * | 1984-04-20 | 1989-08-30 | Snam Progetti | PROCESS FOR THE SYNTHESIS OF UREA AND MATERIAL USED IN ITSELF. |
| IT1274362B (en) | 1995-02-16 | 1997-07-17 | Snam Progetti | HIGH YIELD PROCEDURE FOR THE SYNTHESIS OF UREA |
| ITMI20120013A1 (en) | 2012-01-09 | 2013-07-10 | Saipem Spa | PROCEDURE FOR THE SYNTHESIS OF UREA INCLUDING A STRIPPER FUND OF PASSIVATION |
| WO2023121443A1 (en) | 2021-12-20 | 2023-06-29 | Stamicarbon B.V. | Thermal stripping urea production |
-
1968
- 1968-06-21 AT AT598768A patent/AT290545B/en not_active IP Right Cessation
- 1968-06-21 NO NO2461/68A patent/NO145949C/en unknown
- 1968-06-21 DK DK296968AA patent/DK118396B/en unknown
- 1968-06-25 NL NL6808895.A patent/NL161137C/en not_active IP Right Cessation
- 1968-06-27 GB GB30814/68A patent/GB1184004A/en not_active Expired
- 1968-06-28 SE SE6808922A patent/SE373574B/en unknown
- 1968-06-28 DE DE19681768776 patent/DE1768776B2/en not_active Ceased
- 1968-07-08 JP JP4720368A patent/JPS5432767B1/ja active Pending
- 1968-07-25 IE IE894/68A patent/IE32209B1/en unknown
- 1968-08-01 LU LU56630D patent/LU56630A1/xx unknown
- 1968-08-02 FR FR1576811D patent/FR1576811A/fr not_active Expired
- 1968-08-02 BE BE719035D patent/BE719035A/xx not_active IP Right Cessation
- 1968-08-03 CH CH1166268A patent/CH487855A/en not_active IP Right Cessation
- 1968-09-16 CS CS686495A patent/CS155191B2/en unknown
- 1968-09-25 ES ES358855A patent/ES358855A1/en not_active Expired
Cited By (1)
| 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 |
|---|---|
| NL161137C (en) | 1980-01-15 |
| BE719035A (en) | 1969-01-16 |
| CH487855A (en) | 1970-03-31 |
| DE1768776B2 (en) | 1973-05-03 |
| DE1768776A1 (en) | 1971-09-16 |
| NO145949B (en) | 1982-03-22 |
| NL161137B (en) | 1979-08-15 |
| LU56630A1 (en) | 1968-11-14 |
| NL6808895A (en) | 1969-04-01 |
| IE32209L (en) | 1969-03-29 |
| ES358855A1 (en) | 1970-05-16 |
| NO145949C (en) | 1982-06-30 |
| DK118396B (en) | 1970-08-17 |
| JPS5432767B1 (en) | 1979-10-16 |
| IE32209B1 (en) | 1973-05-16 |
| CS155191B2 (en) | 1974-05-30 |
| AT290545B (en) | 1971-06-11 |
| SE373574B (en) | 1975-02-10 |
| GB1184004A (en) | 1970-03-11 |