AT305303B - Verfahren zur kontinuierlichen Herstellung einer wässerigen Harnstofflösung - Google Patents
Verfahren zur kontinuierlichen Herstellung einer wässerigen HarnstofflösungInfo
- Publication number
- AT305303B AT305303B AT1160069A AT1160069A AT305303B AT 305303 B AT305303 B AT 305303B AT 1160069 A AT1160069 A AT 1160069A AT 1160069 A AT1160069 A AT 1160069A AT 305303 B AT305303 B AT 305303B
- Authority
- AT
- Austria
- Prior art keywords
- continuous production
- urea solution
- aqueous urea
- aqueous
- solution
- 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)
- Lead Frames For Integrated Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT2513168 | 1968-12-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AT305303B true AT305303B (de) | 1973-02-26 |
Family
ID=11215793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT1160069A AT305303B (de) | 1968-12-16 | 1969-12-12 | Verfahren zur kontinuierlichen Herstellung einer wässerigen Harnstofflösung |
Country Status (19)
| Country | Link |
|---|---|
| JP (1) | JPS4828422B1 (xx) |
| AT (1) | AT305303B (xx) |
| BE (1) | BE743187A (xx) |
| BR (1) | BR6915202D0 (xx) |
| CA (1) | CA975797A (xx) |
| CH (1) | CH507213A (xx) |
| CS (1) | CS152343B2 (xx) |
| DE (1) | DE1962862A1 (xx) |
| DK (1) | DK145081C (xx) |
| ES (1) | ES374565A1 (xx) |
| FR (1) | FR2026261A1 (xx) |
| GB (1) | GB1268430A (xx) |
| IE (1) | IE33879B1 (xx) |
| LU (1) | LU60025A1 (xx) |
| NL (1) | NL169465C (xx) |
| NO (1) | NO135868C (xx) |
| RO (1) | RO59626A (xx) |
| YU (1) | YU39894B (xx) |
| ZM (1) | ZM17669A1 (xx) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE787832A (fr) * | 1971-09-02 | 1973-02-22 | Stamicarbon | Procede pour la preparation d'uree |
| JPS53102724A (en) * | 1977-02-18 | 1978-09-07 | Matsushita Electric Ind Co Ltd | Magnetic head and its manufacture |
| JPS5575833U (xx) * | 1978-11-15 | 1980-05-24 | ||
| JPS61109760A (ja) * | 1984-11-02 | 1986-05-28 | Toyo Eng Corp | 尿素製造法 |
| EA201791374A1 (ru) | 2014-12-18 | 2017-10-31 | Стамикарбон Б.В. | Способ производства карбамида |
-
1969
- 1969-11-14 GB GB56005/69A patent/GB1268430A/en not_active Expired
- 1969-12-08 NL NLAANVRAGE6918420,A patent/NL169465C/xx not_active IP Right Cessation
- 1969-12-09 IE IE1653/69A patent/IE33879B1/xx unknown
- 1969-12-09 ZM ZM176/69A patent/ZM17669A1/xx unknown
- 1969-12-11 YU YU3104/69A patent/YU39894B/xx unknown
- 1969-12-12 AT AT1160069A patent/AT305303B/de not_active IP Right Cessation
- 1969-12-15 DE DE19691962862 patent/DE1962862A1/de active Pending
- 1969-12-15 ES ES374565A patent/ES374565A1/es not_active Expired
- 1969-12-15 NO NO4946/69A patent/NO135868C/no unknown
- 1969-12-15 JP JP44100165A patent/JPS4828422B1/ja active Pending
- 1969-12-15 DK DK662269A patent/DK145081C/da active
- 1969-12-15 CA CA069,917A patent/CA975797A/en not_active Expired
- 1969-12-16 FR FR6943429A patent/FR2026261A1/fr not_active Withdrawn
- 1969-12-16 CH CH1869269A patent/CH507213A/fr not_active IP Right Cessation
- 1969-12-16 RO RO61877A patent/RO59626A/ro unknown
- 1969-12-16 BR BR215202/69A patent/BR6915202D0/pt unknown
- 1969-12-16 BE BE743187D patent/BE743187A/xx not_active IP Right Cessation
- 1969-12-16 CS CS8294A patent/CS152343B2/cs unknown
- 1969-12-16 LU LU60025D patent/LU60025A1/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| YU39894B (en) | 1985-06-30 |
| GB1268430A (en) | 1972-03-29 |
| LU60025A1 (xx) | 1970-02-16 |
| FR2026261A1 (xx) | 1970-09-18 |
| CH507213A (fr) | 1971-05-15 |
| NL169465C (nl) | 1982-07-16 |
| BR6915202D0 (pt) | 1973-03-08 |
| DE1962862A1 (de) | 1970-07-02 |
| NL6918420A (xx) | 1970-06-18 |
| DK145081B (da) | 1982-08-23 |
| ES374565A1 (es) | 1972-01-01 |
| IE33879B1 (en) | 1974-11-27 |
| DK145081C (da) | 1983-01-31 |
| CA975797A (en) | 1975-10-07 |
| CS152343B2 (xx) | 1973-12-19 |
| NO135868C (xx) | 1977-06-15 |
| JPS4828422B1 (xx) | 1973-09-01 |
| YU310469A (en) | 1982-02-28 |
| RO59626A (xx) | 1976-08-15 |
| BE743187A (xx) | 1970-05-28 |
| NO135868B (xx) | 1977-03-07 |
| NL169465B (nl) | 1982-02-16 |
| IE33879L (en) | 1970-06-16 |
| ZM17669A1 (en) | 1970-05-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ELJ | Ceased due to non-payment of the annual fee |