NL149488B - Werkwijze ter bereiding van ureum. - Google Patents
Werkwijze ter bereiding van ureum.Info
- Publication number
- NL149488B NL149488B NL656503214A NL6503214A NL149488B NL 149488 B NL149488 B NL 149488B NL 656503214 A NL656503214 A NL 656503214A NL 6503214 A NL6503214 A NL 6503214A NL 149488 B NL149488 B NL 149488B
- Authority
- NL
- Netherlands
- Prior art keywords
- urea
- preparation
- Prior art date
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
-
- 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 NL6503214A (nl) | 1966-03-09 |
| NL149488B true 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 (nl) |
| BE (1) | BE660115A (nl) |
| CH (1) | CH471088A (nl) |
| DE (1) | DE1493038A1 (nl) |
| FR (1) | FR1423412A (nl) |
| GB (1) | GB1099371A (nl) |
| NL (1) | NL149488B (nl) |
| SE (1) | SE355358B (nl) |
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 (nl) * | 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/nl 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 |
|---|---|
| BE660115A (nl) | 1965-08-23 |
| DE1493038A1 (de) | 1969-01-02 |
| FR1423412A (fr) | 1966-01-03 |
| US3470247A (en) | 1969-09-30 |
| NL6503214A (nl) | 1966-03-09 |
| SE355358B (nl) | 1973-04-16 |
| CH471088A (it) | 1969-04-15 |
| GB1099371A (en) | 1968-01-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| NL142413B (nl) | Werkwijze ter bereiding van guanidinederivaten. | |
| NL148300B (nl) | Werkwijze ter bereiding van polyoxyperfluormethylenen. | |
| NL144982B (nl) | Werkwijze ter bereiding van smeermiddelen. | |
| NL152884B (nl) | Werkwijze ter bereiding van polyurethanen. | |
| NL140714B (nl) | Werkwijze ter bereiding van margarine. | |
| NL148619B (nl) | Werkwijze ter bereiding van polyurethan-elastomeren. | |
| NL143233B (nl) | Werkwijze ter bereiding van 2,4,6,8,9-penta-azabicyclo 3,3,1 nonaanderivaten. | |
| NL148350B (nl) | Werkwijze ter bereiding van disazopigmenten. | |
| NL148915B (nl) | Werkwijze voor de bereiding van poly-epsilon-caprolactam. | |
| NL148618B (nl) | Werkwijze ter bereiding van entcopolymeren. | |
| NL146821B (nl) | Werkwijze ter bereiding van alfa-tocoferol. | |
| NL144945B (nl) | Werkwijze ter bereiding van derivaten van 7-acylaminocefalosporanzuur. | |
| NL143253B (nl) | Werkwijze ter bereiding van polyurethanelastomeren. | |
| NL149488B (nl) | Werkwijze ter bereiding van ureum. | |
| DK110033C (da) | Fremgangsmåde til fremstilling af antibioticet Rhi-12-648. | |
| NL161137B (nl) | Werkwijze ter bereiding van ureum. | |
| NL6511229A (nl) | Werkwijze ter bereiding van basische kleurstoffen | |
| FI46965C (fi) | Menetelmä 5-fenyyli-1,4-bentsodiatsepiini-4-oksidien valmistamiseksi | |
| NL162370B (nl) | Werkwijze voor de bereiding van ureum. | |
| NL139335B (nl) | Werkwijze ter bereiding van polyamiden. | |
| NL141178B (nl) | Werkwijze ter bereiding van ureum. | |
| NL143250B (nl) | Werkwijze ter bereiding van laagsmeltende polyamiden. | |
| NL149686B (nl) | Werkwijze ter bereiding van margarine. | |
| DK115406B (da) | Fremgangsmåde til fremstilling af tetrazolderivater. | |
| NL143600B (nl) | Werkwijze ter bereiding van trioxancopolymeren. |
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 |