NL6503214A - - Google Patents
Info
- Publication number
- NL6503214A NL6503214A NL6503214A NL6503214A NL6503214A NL 6503214 A NL6503214 A NL 6503214A NL 6503214 A NL6503214 A NL 6503214A NL 6503214 A NL6503214 A NL 6503214A NL 6503214 A NL6503214 A NL 6503214A
- Authority
- NL
- Netherlands
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
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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
-
- 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 |
|---|---|---|---|
| IT1928364 | 1964-09-08 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NL6503214A true NL6503214A (ru) | 1966-03-09 |
| NL149488B NL149488B (nl) | 1976-05-17 |
Family
ID=11156385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL656503214A NL149488B (nl) | 1964-09-08 | 1965-03-12 | Werkwijze ter bereiding van ureum. |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3470247A (ru) |
| BE (1) | BE660115A (ru) |
| CH (1) | CH471088A (ru) |
| DE (1) | DE1493038A1 (ru) |
| FR (1) | FR1423412A (ru) |
| GB (1) | GB1099371A (ru) |
| NL (1) | NL149488B (ru) |
| SE (1) | SE355358B (ru) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3932504A (en) * | 1970-05-19 | 1976-01-13 | Vulcan-Cincinnati, Inc. | Urea manufacture |
| US4088684A (en) * | 1976-07-30 | 1978-05-09 | Ivo Mavrovic | Urea reactor effluent solution recycle in urea synthesis |
| JPS5750954A (en) * | 1980-09-12 | 1982-03-25 | Mitsui Toatsu Chem Inc | Synthesis of urea |
| US4500734A (en) * | 1980-12-11 | 1985-02-19 | Snamprogetti S.P.A. | Process for the production of urea |
| US6274767B1 (en) * | 1992-11-19 | 2001-08-14 | Urea Casale, S.A. | Process for the revamping of urea synthesis plants consisting of a stripper with ammonia |
| EP3398935A1 (en) * | 2017-05-05 | 2018-11-07 | Casale Sa | Process and plant for the synthesis of urea |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB948786A (en) * | 1959-10-23 | 1964-02-05 | Toyo Koatsu Ind Inc | An improvement in synthesis of urea |
| BE564100A (ru) * | 1962-04-10 | 1900-01-01 |
-
1965
- 1965-02-02 FR FR4156A patent/FR1423412A/fr not_active Expired
- 1965-02-18 GB GB7144/65A patent/GB1099371A/en not_active Expired
- 1965-02-23 BE BE660115D patent/BE660115A/xx unknown
- 1965-03-01 CH CH277965A patent/CH471088A/it not_active IP Right Cessation
- 1965-03-03 US US436769A patent/US3470247A/en not_active Expired - Lifetime
- 1965-03-12 NL NL656503214A patent/NL149488B/xx not_active IP Right Cessation
- 1965-03-13 SE SE03303/65A patent/SE355358B/xx unknown
- 1965-03-31 DE DE1965S0096306 patent/DE1493038A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR1423412A (fr) | 1966-01-03 |
| GB1099371A (en) | 1968-01-17 |
| BE660115A (ru) | 1965-08-23 |
| DE1493038A1 (de) | 1969-01-02 |
| NL149488B (nl) | 1976-05-17 |
| CH471088A (it) | 1969-04-15 |
| US3470247A (en) | 1969-09-30 |
| SE355358B (ru) | 1973-04-16 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| V1 | Lapsed because of non-payment of the annual fee | ||
| NL80 | Abbreviated name of patent owner mentioned of already nullified patent |
Owner name: SNAM |