CS155191B2 - Method of urea making with low content of carbamate - Google Patents
Method of urea making with low content of carbamateInfo
- Publication number
- CS155191B2 CS155191B2 CS686495A CS649568A CS155191B2 CS 155191 B2 CS155191 B2 CS 155191B2 CS 686495 A CS686495 A CS 686495A CS 649568 A CS649568 A CS 649568A CS 155191 B2 CS155191 B2 CS 155191B2
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- carbamate
- low content
- urea
- making
- urea making
- Prior art date
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 |
|---|---|
| CS155191B2 true CS155191B2 (en) | 1974-05-30 |
Family
ID=11175595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS686495A CS155191B2 (en) | 1967-09-29 | 1968-09-16 | Method of urea making with low content of carbamate |
Country Status (15)
| Country | Link |
|---|---|
| JP (1) | JPS5432767B1 (es) |
| AT (1) | AT290545B (es) |
| BE (1) | BE719035A (es) |
| CH (1) | CH487855A (es) |
| CS (1) | CS155191B2 (es) |
| DE (1) | DE1768776B2 (es) |
| DK (1) | DK118396B (es) |
| ES (1) | ES358855A1 (es) |
| FR (1) | FR1576811A (es) |
| GB (1) | GB1184004A (es) |
| IE (1) | IE32209B1 (es) |
| LU (1) | LU56630A1 (es) |
| NL (1) | NL161137C (es) |
| NO (1) | NO145949C (es) |
| SE (1) | SE373574B (es) |
Families Citing this family (7)
| 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. |
| IN169678B (es) * | 1987-08-13 | 1991-11-30 | Austral Pacific Fertilizers | |
| 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 |
-
1968
- 1968-06-21 NO NO2461/68A patent/NO145949C/no unknown
- 1968-06-21 DK DK296968AA patent/DK118396B/da unknown
- 1968-06-21 AT AT598768A patent/AT290545B/de not_active IP Right Cessation
- 1968-06-25 NL NL6808895.A patent/NL161137C/xx not_active IP Right Cessation
- 1968-06-27 GB GB30814/68A patent/GB1184004A/en not_active Expired
- 1968-06-28 SE SE6808922A patent/SE373574B/xx unknown
- 1968-06-28 DE DE19681768776 patent/DE1768776B2/de not_active Ceased
- 1968-07-08 JP JP4720368A patent/JPS5432767B1/ja active Pending
- 1968-07-25 IE IE894/68A patent/IE32209B1/xx unknown
- 1968-08-01 LU LU56630D patent/LU56630A1/xx unknown
- 1968-08-02 BE BE719035D patent/BE719035A/xx not_active IP Right Cessation
- 1968-08-02 FR FR1576811D patent/FR1576811A/fr not_active Expired
- 1968-08-03 CH CH1166268A patent/CH487855A/fr not_active IP Right Cessation
- 1968-09-16 CS CS686495A patent/CS155191B2/cs unknown
- 1968-09-25 ES ES358855A patent/ES358855A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE1768776B2 (de) | 1973-05-03 |
| ES358855A1 (es) | 1970-05-16 |
| CH487855A (fr) | 1970-03-31 |
| GB1184004A (en) | 1970-03-11 |
| FR1576811A (es) | 1969-08-01 |
| IE32209L (en) | 1969-03-29 |
| DE1768776A1 (de) | 1971-09-16 |
| JPS5432767B1 (es) | 1979-10-16 |
| NL161137C (nl) | 1980-01-15 |
| NL6808895A (es) | 1969-04-01 |
| AT290545B (de) | 1971-06-11 |
| NL161137B (nl) | 1979-08-15 |
| BE719035A (es) | 1969-01-16 |
| SE373574B (sv) | 1975-02-10 |
| LU56630A1 (es) | 1968-11-14 |
| DK118396B (da) | 1970-08-17 |
| NO145949C (no) | 1982-06-30 |
| NO145949B (no) | 1982-03-22 |
| IE32209B1 (en) | 1973-05-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ZA704419B (en) | Injectable aqueous solutions of tetramisole | |
| IL30031A0 (en) | Candy and method of making same | |
| IL29455A (en) | Method of producing hexabromo-cyclododecane | |
| CS155191B2 (en) | Method of urea making with low content of carbamate | |
| CS162656B2 (en) | Method of new d-glucofuranosides making | |
| GB1184384A (en) | Production of Haloges | |
| IL28623A (en) | 6-chloro-2-(-5-nitro-2-furyl)-cinchoninic acid | |
| IL30966A0 (en) | Phenylpropiophenones and method of use | |
| CA760462A (en) | Production of urea | |
| IE30881L (en) | Manufacture of urea | |
| IL31275A (en) | Penicillins and their preparation | |
| IL25057A (en) | 6-amino-penicillanic acid derivatives and their preparation | |
| GB1171587A (en) | Phototropic Glass | |
| FR1217823A (fr) | Piquet | |
| CA762966A (en) | Method of preparing urea | |
| IL31240A0 (en) | Method of pruning by the use of aliphatic disulphites | |
| CA927396A (en) | Substituted n-dibromophenyl ureas and thioureas | |
| CA771095A (en) | Method of preparing cyanogen | |
| IL29985A0 (en) | Benzene-sulphonamines and process of preparing them | |
| AU435421B2 (en) | Process for making ammonia and urea | |
| IE30853L (en) | Urea preparation | |
| CA758618A (en) | Method of synthesizing urea | |
| IL27323A (en) | Stabilized ammonium nitrate compositions and their production | |
| CS162658B2 (en) | Method of new d-glucofuranosides making | |
| CA767095A (en) | Catalyst and method of making same |