FR1573707A - - Google Patents
Info
- Publication number
- FR1573707A FR1573707A FR1573707DA FR1573707A FR 1573707 A FR1573707 A FR 1573707A FR 1573707D A FR1573707D A FR 1573707DA FR 1573707 A FR1573707 A FR 1573707A
- 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
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 |
---|---|---|---|
JP4882567 | 1967-07-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1573707A true FR1573707A (xx) | 1969-07-04 |
Family
ID=12813984
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1573707D Expired FR1573707A (xx) | 1967-07-31 | 1968-07-23 |
Country Status (3)
Country | Link |
---|---|
FR (1) | FR1573707A (xx) |
GB (1) | GB1217560A (xx) |
NL (1) | NL6810747A (xx) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0479103A1 (en) * | 1990-10-05 | 1992-04-08 | Urea Casale S.A. | Process for the production of urea by steps with differentiated yields, and relevant implementations also on existing plants |
EP0799194B1 (en) * | 1994-12-23 | 2001-05-02 | Urea Casale S.A. | Method for modernizing a plant for urea production |
-
1968
- 1968-07-10 GB GB3300268A patent/GB1217560A/en not_active Expired
- 1968-07-23 FR FR1573707D patent/FR1573707A/fr not_active Expired
- 1968-07-29 NL NL6810747A patent/NL6810747A/xx unknown
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0479103A1 (en) * | 1990-10-05 | 1992-04-08 | Urea Casale S.A. | Process for the production of urea by steps with differentiated yields, and relevant implementations also on existing plants |
US5403956A (en) * | 1990-10-05 | 1995-04-04 | Urea Casale, S.A. | Process for urea production |
US5573735A (en) * | 1990-10-05 | 1996-11-12 | Urea Casale, S.A. | Method of retrofitting urea production plant |
US5580236A (en) * | 1990-10-05 | 1996-12-03 | Urea Casale, S.A. | Plant for urea production |
EP0799194B1 (en) * | 1994-12-23 | 2001-05-02 | Urea Casale S.A. | Method for modernizing a plant for urea production |
US6287525B1 (en) | 1994-12-23 | 2001-09-11 | Urea Casale | Process and plant for urea production with reaction spaces having differentiated yields |
Also Published As
Publication number | Publication date |
---|---|
NL6810747A (xx) | 1969-02-04 |
GB1217560A (en) | 1970-12-31 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
CD | Change of name or company name | ||
ST | Notification of lapse |