NL295812A - - Google Patents
Info
- Publication number
- NL295812A NL295812A NL295812DA NL295812A NL 295812 A NL295812 A NL 295812A NL 295812D A NL295812D A NL 295812DA NL 295812 A NL295812 A NL 295812A
- Authority
- NL
- Netherlands
Links
Classifications
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- 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
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- 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
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- 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 |
|---|---|---|---|
| IT1549662 | 1962-07-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL295812A true NL295812A (zh) | 1900-01-01 |
Family
ID=11148052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL295812D NL295812A (zh) | 1962-07-27 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3378585A (zh) |
| AT (1) | AT249074B (zh) |
| BE (1) | BE635479A (zh) |
| DE (1) | DE1277841B (zh) |
| ES (1) | ES290269A1 (zh) |
| GB (1) | GB1016220A (zh) |
| NL (1) | NL295812A (zh) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3954861A (en) * | 1968-02-05 | 1976-05-04 | Snamprogetti S.P.A | Process for producing urea |
| US4036878A (en) * | 1972-06-12 | 1977-07-19 | Unie Van Kunstmestfabrieken, B.V. | Process for preparing urea |
| US8550019B1 (en) | 2010-12-15 | 2013-10-08 | Vti, L.L.C. | Slurry applicator for an agriculture machine |
| ITMI20110804A1 (it) | 2011-05-10 | 2012-11-11 | Saipem Spa | "processo ad alta resa per la sintesi dell'urea" |
| US11310956B1 (en) | 2021-06-01 | 2022-04-26 | Vti, L.L.C. | Slurry applicator with independent opening and closing units |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2916516A (en) * | 1956-03-09 | 1959-12-08 | Basf Ag | Evaporation of aqueous urea solutions |
| US2913493A (en) * | 1956-10-03 | 1959-11-17 | Hydrocarbon Research Inc | Urea synthesis |
| US2961464A (en) * | 1956-12-15 | 1960-11-22 | Stamicarbon | Urea concentration process |
| GB948786A (en) * | 1959-10-23 | 1964-02-05 | Toyo Koatsu Ind Inc | An improvement in synthesis of urea |
| FR1252669A (fr) * | 1959-12-09 | 1961-02-03 | Toyo Koatsu Ind Inc | Procédé de préparation d'urée à basse teneur en biuret |
| DE1126856B (de) * | 1960-07-01 | 1962-04-05 | Basf Ag | Verfahren zur Rueckfuehrung der Abgase der Harnstoffsynthese |
-
0
- NL NL295812D patent/NL295812A/xx unknown
- BE BE635479D patent/BE635479A/xx unknown
-
1963
- 1963-07-24 ES ES290269A patent/ES290269A1/es not_active Expired
- 1963-07-26 AT AT599363A patent/AT249074B/de active
- 1963-07-26 DE DEM57635A patent/DE1277841B/de active Pending
- 1963-07-26 US US297956A patent/US3378585A/en not_active Expired - Lifetime
- 1963-07-26 GB GB29761/63A patent/GB1016220A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3378585A (en) | 1968-04-16 |
| AT249074B (de) | 1966-09-26 |
| DE1277841B (de) | 1968-09-19 |
| GB1016220A (en) | 1966-01-05 |
| ES290269A1 (es) | 1964-02-16 |
| BE635479A (zh) | 1900-01-01 |