BE821858A - Procede de preparation d'isobutylidene.diuree granulee - Google Patents
Procede de preparation d'isobutylidene.diuree granuleeInfo
- Publication number
- BE821858A BE821858A BE150212A BE150212A BE821858A BE 821858 A BE821858 A BE 821858A BE 150212 A BE150212 A BE 150212A BE 150212 A BE150212 A BE 150212A BE 821858 A BE821858 A BE 821858A
- Authority
- BE
- Belgium
- Prior art keywords
- diuree
- isobutylidene
- granulated
- preparation
- granulated isobutylidene
- Prior art date
Links
- QFHMNFAUXJAINK-UHFFFAOYSA-N [1-(carbamoylamino)-2-methylpropyl]urea Chemical class NC(=O)NC(C(C)C)NC(N)=O QFHMNFAUXJAINK-UHFFFAOYSA-N 0.000 title 1
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
- C07C273/18—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 substituted ureas
- C07C273/1854—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 substituted ureas by reactions not involving the formation of the N-C(O)-N- moiety
- C07C273/1863—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 substituted ureas by reactions not involving the formation of the N-C(O)-N- moiety from urea
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Fertilizers (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2355212A DE2355212C2 (de) | 1973-11-05 | 1973-11-05 | Verfahren zur Herstellung von körnigem Isobutylidendiharnstoff |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE821858A true BE821858A (fr) | 1975-05-05 |
Family
ID=5897238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE150212A BE821858A (fr) | 1973-11-05 | 1974-11-05 | Procede de preparation d'isobutylidene.diuree granulee |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3962329A (fr) |
| JP (1) | JPS5071629A (fr) |
| BE (1) | BE821858A (fr) |
| DE (1) | DE2355212C2 (fr) |
| FR (1) | FR2249875B1 (fr) |
| GB (1) | GB1478865A (fr) |
| NL (1) | NL7414424A (fr) |
| ZA (1) | ZA747072B (fr) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5424942B2 (fr) * | 1974-04-09 | 1979-08-24 | ||
| US4250324A (en) * | 1977-11-18 | 1981-02-10 | Beasley Marvin L | Water-degradable esters and process for the preparation thereof |
| WO2014016745A1 (fr) | 2012-07-23 | 2014-01-30 | Saudi Basic Industries Corporation | Procédé pour la préparation d'isobutylidènediurée |
| WO2015114542A1 (fr) | 2014-01-31 | 2015-08-06 | Saudi Basic Industries Corporation | Capsule d'engrais comprenant un ou plusieurs cœurs et son procédé de fabrication |
| EP4474370A3 (fr) | 2014-05-05 | 2025-02-19 | SABIC Global Technologies B.V. | Engrais granulaires enrobés, leurs procédés de fabrication et leurs utilisations |
| US11104618B2 (en) | 2015-07-20 | 2021-08-31 | Sabic Global Technologies B.V. | Fertilizer composition and methods of making and using same |
| CN108026118B (zh) | 2015-07-20 | 2021-11-05 | 沙特基础工业全球技术公司 | 肥料组合物及其制备方法和使用方法 |
| CN105061329B (zh) * | 2015-08-26 | 2017-08-01 | 上海化工研究院有限公司 | 一种有机溶剂重结晶提纯丁烯叉二脲的方法及装置 |
| EP3377461B1 (fr) | 2015-11-16 | 2025-08-06 | Sabic Agri-Nutrients Company | Engrais granulaires enrobés, procédés de fabrication de ceux-ci, et utilisations associées |
| WO2017087265A1 (fr) | 2015-11-16 | 2017-05-26 | Sabic Global Technologies B.V. | Procédés de fabrication d'engrais granulaires enrobés |
| EP3414214A1 (fr) | 2016-02-08 | 2018-12-19 | SABIC Global Technologies B.V. | Procédé de fabrication de noyau d'ensemencement d'engrais |
| EP3612508B1 (fr) | 2017-04-19 | 2026-01-28 | Sabic Agri-Nutrients Company | Engrais à efficacité améliorée comportant un inhibiteur d'uréase et un inhibiteur de nitrification dans des particules séparées |
| WO2018193344A1 (fr) | 2017-04-19 | 2018-10-25 | Sabic Global Technologies B.V. | Engrais à efficacité améliorée comportant un inhibiteur d'uréase et un inhibiteur de nitrification séparés à l'intérieur de la même particule |
| US11345645B2 (en) | 2017-04-20 | 2022-05-31 | Sabic Global Technologies B.V. | Enhanced efficiency fertilizer with embedded powder composition |
| EP3615512B1 (fr) | 2017-04-24 | 2026-04-01 | Sabic Agri-Nutrients Company | Compositions de condensation d'urée et leurs procédés de production |
| US11021409B2 (en) | 2017-08-09 | 2021-06-01 | Sabic Global Technologies B.V. | Extruded fertilizer granules with urease and/or nitrification inhibitors |
| US11964924B2 (en) | 2018-07-23 | 2024-04-23 | Sabic Global Technologies B.V. | Spherical urea-aldehyde condensate fertilizers |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3459528A (en) * | 1966-04-26 | 1969-08-05 | Uss Agri Chem Inc | Urea condensation product slow release nitrogen fertilizer compounds and the preparation thereof |
| US3507641A (en) * | 1966-12-29 | 1970-04-21 | Grace W R & Co | Preparation of slurry fertilizer by acid treatment of phosphate rock and ammoniation |
-
1973
- 1973-11-05 DE DE2355212A patent/DE2355212C2/de not_active Expired
-
1974
- 1974-10-25 US US05/517,889 patent/US3962329A/en not_active Expired - Lifetime
- 1974-11-04 GB GB47582/74A patent/GB1478865A/en not_active Expired
- 1974-11-04 ZA ZA00747072A patent/ZA747072B/xx unknown
- 1974-11-04 FR FR7436558A patent/FR2249875B1/fr not_active Expired
- 1974-11-05 JP JP49126650A patent/JPS5071629A/ja active Pending
- 1974-11-05 BE BE150212A patent/BE821858A/fr unknown
- 1974-11-05 NL NL7414424A patent/NL7414424A/xx not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| DE2355212B1 (de) | 1975-03-06 |
| DE2355212C2 (de) | 1975-10-23 |
| JPS5071629A (fr) | 1975-06-13 |
| NL7414424A (nl) | 1975-05-07 |
| FR2249875B1 (fr) | 1978-11-24 |
| ZA747072B (en) | 1975-12-31 |
| US3962329A (en) | 1976-06-08 |
| GB1478865A (en) | 1977-07-06 |
| FR2249875A1 (fr) | 1975-05-30 |
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