FR1571861A - - Google Patents
Info
- Publication number
- FR1571861A FR1571861A FR1571861DA FR1571861A FR 1571861 A FR1571861 A FR 1571861A FR 1571861D A FR1571861D A FR 1571861DA FR 1571861 A FR1571861 A FR 1571861A
- 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
- C07C273/14—Separation; Purification; Stabilisation; Use of additives
- C07C273/16—Separation; Purification
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB30575/67A GB1156099A (en) | 1967-07-03 | 1967-07-03 | Improvements in and relating to the Production of Auto-Condensation Products of Urea, in Particular Biuret. |
| GB3057568 | 1968-05-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1571861A true FR1571861A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1969-06-20 |
Family
ID=26260507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR1571861D Expired FR1571861A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1967-07-03 | 1968-07-03 |
Country Status (5)
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3935260A (en) * | 1970-10-21 | 1976-01-27 | African Explosives & Chemical Industries Limited | Auto-condensation products of urea |
| US4345099A (en) * | 1981-08-10 | 1982-08-17 | Union Oil Company Of California | Method of selectively removing biuret from urea and compositions for use therein |
| US4645859A (en) * | 1983-12-30 | 1987-02-24 | Union Oil Company Of California | Methods for purifying biuret |
| US4645860A (en) * | 1983-12-30 | 1987-02-24 | Union Oil Company Of California | Biuret manufacture |
| US4698443A (en) * | 1985-07-10 | 1987-10-06 | Union Oil Company Of California | Biuret purification |
| DE102004005907B4 (de) | 2004-02-05 | 2006-01-05 | Uhde Gmbh | Anlage zur Herstellung von biuretarmem harnstoffhaltigem Düngemittelgranulat |
-
1967
- 1967-07-03 GB GB30575/67A patent/GB1156099A/en not_active Expired
-
1968
- 1968-07-01 BE BE717459D patent/BE717459A/xx unknown
- 1968-07-01 NL NL6809275A patent/NL6809275A/xx unknown
- 1968-07-02 DE DE19681768804 patent/DE1768804A1/de active Pending
- 1968-07-03 FR FR1571861D patent/FR1571861A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE717459A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1969-01-02 |
| NL6809275A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1969-01-07 |
| GB1156099A (en) | 1969-06-25 |
| DE1768804A1 (de) | 1972-01-05 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |