DD112752A5 - - Google Patents
Info
- Publication number
- DD112752A5 DD112752A5 DD176982A DD17698274A DD112752A5 DD 112752 A5 DD112752 A5 DD 112752A5 DD 176982 A DD176982 A DD 176982A DD 17698274 A DD17698274 A DD 17698274A DD 112752 A5 DD112752 A5 DD 112752A5
- Authority
- DD
- German Democratic Republic
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
- Y02P20/141—Feedstock
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT21300/73A IT981191B (it) | 1973-03-08 | 1973-03-08 | Procedimento per la purificazione da nh 3 e carbammato della soluzio ne uscente da un reattore di sinte si dell ure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD112752A5 true DD112752A5 (xx) | 1975-05-05 |
Family
ID=11179741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD176982A DD112752A5 (xx) | 1973-03-08 | 1974-03-06 |
Country Status (25)
| Country | Link |
|---|---|
| JP (2) | JPS49124029A (xx) |
| AR (1) | AR200429A1 (xx) |
| AT (1) | AT342067B (xx) |
| BE (1) | BE811880A (xx) |
| BR (1) | BR7401582D0 (xx) |
| CA (1) | CA1022103A (xx) |
| CH (1) | CH603565A5 (xx) |
| DD (1) | DD112752A5 (xx) |
| DK (1) | DK144008C (xx) |
| EG (1) | EG11031A (xx) |
| ES (1) | ES424334A1 (xx) |
| FR (1) | FR2220516B1 (xx) |
| GB (1) | GB1402249A (xx) |
| IE (1) | IE38973B1 (xx) |
| IN (1) | IN139208B (xx) |
| IT (1) | IT981191B (xx) |
| LU (1) | LU69576A1 (xx) |
| MW (1) | MW874A1 (xx) |
| NL (1) | NL7403054A (xx) |
| PH (1) | PH12740A (xx) |
| RO (1) | RO69510A (xx) |
| SE (1) | SE386145B (xx) |
| TR (1) | TR17998A (xx) |
| ZA (1) | ZA741186B (xx) |
| ZM (1) | ZM4274A1 (xx) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2955916A (en) * | 1955-11-21 | 1960-10-11 | Lonza Electric & Chem Works | Method of producing carbon dioxide and ammonia from intermediate reaction products in the synthesis of urea |
| FR1534669A (fr) * | 1964-02-17 | 1968-08-02 | Allied Chem | Procédé et dispositif de décomposition de carbamate d'ammonium notamment résultant de la synthèse de l'urée ainsi que les produits obtenus par le présent procédé ou procédé similaire |
-
1973
- 1973-03-08 IT IT21300/73A patent/IT981191B/it active
-
1974
- 1974-02-22 ZA ZA00741186A patent/ZA741186B/xx unknown
- 1974-02-26 EG EG61/74A patent/EG11031A/xx active
- 1974-02-26 TR TR17998A patent/TR17998A/xx unknown
- 1974-02-28 MW MW8/74*UA patent/MW874A1/xx unknown
- 1974-02-28 FR FR7406822A patent/FR2220516B1/fr not_active Expired
- 1974-03-04 BR BR1582/74A patent/BR7401582D0/pt unknown
- 1974-03-04 AR AR252612A patent/AR200429A1/es active
- 1974-03-05 IE IE00465/74A patent/IE38973B1/xx unknown
- 1974-03-05 BE BE141648A patent/BE811880A/xx not_active IP Right Cessation
- 1974-03-05 RO RO7477908A patent/RO69510A/ro unknown
- 1974-03-05 JP JP49024872A patent/JPS49124029A/ja active Pending
- 1974-03-06 SE SE7402993A patent/SE386145B/xx not_active IP Right Cessation
- 1974-03-06 CH CH317174A patent/CH603565A5/xx not_active IP Right Cessation
- 1974-03-06 ZM ZM42/74A patent/ZM4274A1/xx unknown
- 1974-03-06 GB GB1015374A patent/GB1402249A/en not_active Expired
- 1974-03-06 NL NL7403054A patent/NL7403054A/xx not_active Application Discontinuation
- 1974-03-06 DD DD176982A patent/DD112752A5/xx unknown
- 1974-03-07 CA CA194,352A patent/CA1022103A/en not_active Expired
- 1974-03-07 AT AT189874A patent/AT342067B/de not_active IP Right Cessation
- 1974-03-07 ES ES424334A patent/ES424334A1/es not_active Expired
- 1974-03-07 DK DK125174A patent/DK144008C/da not_active IP Right Cessation
- 1974-03-07 LU LU69576A patent/LU69576A1/xx unknown
- 1974-03-08 PH PH15599A patent/PH12740A/en unknown
- 1974-03-19 IN IN592/CAL/74A patent/IN139208B/en unknown
-
1981
- 1981-03-06 JP JP1981030423U patent/JPS56134344U/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| GB1402249A (en) | 1975-08-06 |
| TR17998A (tr) | 1976-08-20 |
| JPS56134344U (xx) | 1981-10-12 |
| ZA741186B (en) | 1975-01-29 |
| LU69576A1 (xx) | 1974-07-05 |
| PH12740A (en) | 1979-08-09 |
| ES424334A1 (es) | 1976-06-01 |
| AT342067B (de) | 1978-03-10 |
| FR2220516A1 (xx) | 1974-10-04 |
| IE38973L (en) | 1974-09-08 |
| EG11031A (en) | 1976-11-30 |
| MW874A1 (en) | 1975-05-13 |
| DE2411205B2 (de) | 1976-01-15 |
| NL7403054A (xx) | 1974-09-10 |
| DK144008C (da) | 1982-04-26 |
| IT981191B (it) | 1974-10-10 |
| IN139208B (xx) | 1976-05-22 |
| BR7401582D0 (pt) | 1974-11-05 |
| FR2220516B1 (xx) | 1978-01-06 |
| ZM4274A1 (en) | 1974-11-21 |
| AU6594074A (en) | 1975-08-28 |
| CA1022103A (en) | 1977-12-06 |
| JPS49124029A (xx) | 1974-11-27 |
| CH603565A5 (xx) | 1978-08-31 |
| AR200429A1 (es) | 1974-11-08 |
| DK144008B (da) | 1981-11-16 |
| BE811880A (fr) | 1974-07-01 |
| ATA189874A (de) | 1977-07-15 |
| DE2411205A1 (de) | 1974-09-26 |
| RO69510A (ro) | 1980-12-30 |
| SE386145B (sv) | 1976-08-02 |
| IE38973B1 (en) | 1978-07-05 |