CS152471B2 - - Google Patents
Info
- Publication number
- CS152471B2 CS152471B2 CS2186A CS218670A CS152471B2 CS 152471 B2 CS152471 B2 CS 152471B2 CS 2186 A CS2186 A CS 2186A CS 218670 A CS218670 A CS 218670A CS 152471 B2 CS152471 B2 CS 152471B2
- Authority
- CS
- Czechoslovakia
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT1507269 | 1969-04-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS152471B2 true CS152471B2 (cs) | 1973-12-19 |
Family
ID=11146229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS2186A CS152471B2 (cs) | 1969-04-04 | 1970-04-02 |
Country Status (17)
| Country | Link |
|---|---|
| JP (1) | JPS5238017B1 (cs) |
| AT (1) | AT305304B (cs) |
| BE (1) | BE747769A (cs) |
| BR (1) | BR7017988D0 (cs) |
| CA (1) | CA949918A (cs) |
| CH (1) | CH514555A (cs) |
| CS (1) | CS152471B2 (cs) |
| DE (1) | DE2015781B2 (cs) |
| ES (1) | ES378592A1 (cs) |
| FR (1) | FR2042135A5 (cs) |
| GB (1) | GB1292515A (cs) |
| IE (1) | IE34603B1 (cs) |
| LU (1) | LU60616A1 (cs) |
| NL (1) | NL7004886A (cs) |
| RO (1) | RO69432A (cs) |
| YU (1) | YU35113B (cs) |
| ZM (1) | ZM3570A1 (cs) |
Families Citing this family (4)
| 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 |
-
1970
- 1970-03-19 GB GB03413/70A patent/GB1292515A/en not_active Expired
- 1970-03-19 FR FR7009891A patent/FR2042135A5/fr not_active Expired
- 1970-03-20 BE BE747769D patent/BE747769A/xx not_active IP Right Cessation
- 1970-03-26 ZM ZM35/70A patent/ZM3570A1/xx unknown
- 1970-03-27 LU LU60616D patent/LU60616A1/xx unknown
- 1970-03-27 AT AT2890/70A patent/AT305304B/de not_active IP Right Cessation
- 1970-03-31 CH CH470570A patent/CH514555A/fr not_active IP Right Cessation
- 1970-03-31 YU YU852/70A patent/YU35113B/xx unknown
- 1970-04-01 CA CA078,921A patent/CA949918A/en not_active Expired
- 1970-04-02 CS CS2186A patent/CS152471B2/cs unknown
- 1970-04-02 DE DE19702015781 patent/DE2015781B2/de not_active Ceased
- 1970-04-03 JP JP45027937A patent/JPS5238017B1/ja active Pending
- 1970-04-03 IE IE413/70A patent/IE34603B1/xx unknown
- 1970-04-03 BR BR217988/70A patent/BR7017988D0/pt unknown
- 1970-04-03 ES ES378592A patent/ES378592A1/es not_active Expired
- 1970-04-03 RO RO7062975A patent/RO69432A/ro unknown
- 1970-04-06 NL NL7004886A patent/NL7004886A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| IE34603L (en) | 1970-10-04 |
| YU35113B (en) | 1980-09-25 |
| NL7004886A (cs) | 1970-10-06 |
| BR7017988D0 (pt) | 1973-04-12 |
| FR2042135A5 (cs) | 1971-02-05 |
| 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 (cs) | 1977-09-27 |
| LU60616A1 (cs) | 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 |