CH487854A - Verfahren zur Herstellung von Harnstoff - Google Patents
Verfahren zur Herstellung von HarnstoffInfo
- Publication number
- CH487854A CH487854A CH546567A CH546567A CH487854A CH 487854 A CH487854 A CH 487854A CH 546567 A CH546567 A CH 546567A CH 546567 A CH546567 A CH 546567A CH 487854 A CH487854 A CH 487854A
- Authority
- CH
- Switzerland
- Prior art keywords
- urea
- production
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL666605483A NL148878B (nl) | 1966-04-22 | 1966-04-22 | Werkwijze voor de continue bereiding van ureum. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH487854A true CH487854A (de) | 1970-03-31 |
Family
ID=19796380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH546567A CH487854A (de) | 1966-04-22 | 1967-04-18 | Verfahren zur Herstellung von Harnstoff |
Country Status (15)
| Country | Link |
|---|---|
| JP (1) | JPS4925253B1 (de) |
| AT (1) | AT273152B (de) |
| BE (1) | BE697348A (de) |
| CH (1) | CH487854A (de) |
| CS (1) | CS157019B2 (de) |
| DE (1) | DE1643065B2 (de) |
| DK (1) | DK116865B (de) |
| ES (1) | ES339600A1 (de) |
| FI (1) | FI46064C (de) |
| GB (1) | GB1160030A (de) |
| GR (1) | GR36579B (de) |
| IL (1) | IL27801A (de) |
| NL (1) | NL148878B (de) |
| NO (1) | NO123524B (de) |
| OA (1) | OA02416A (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PH12569A (en) * | 1970-09-03 | 1979-06-20 | Snam Progetti | Process for producing urea |
| JPS531967U (de) * | 1976-06-24 | 1978-01-10 |
-
1966
- 1966-04-22 NL NL666605483A patent/NL148878B/xx not_active IP Right Cessation
-
1967
- 1967-04-16 IL IL27801A patent/IL27801A/en unknown
- 1967-04-17 AT AT357967A patent/AT273152B/de active
- 1967-04-18 CH CH546567A patent/CH487854A/de not_active IP Right Cessation
- 1967-04-19 DE DE1643065A patent/DE1643065B2/de not_active Withdrawn
- 1967-04-19 GB GB18051/67A patent/GB1160030A/en not_active Expired
- 1967-04-20 DK DK215967AA patent/DK116865B/da not_active IP Right Cessation
- 1967-04-20 JP JP42025394A patent/JPS4925253B1/ja active Pending
- 1967-04-21 NO NO167829A patent/NO123524B/no unknown
- 1967-04-21 ES ES339600A patent/ES339600A1/es not_active Expired
- 1967-04-21 OA OA52910A patent/OA02416A/xx unknown
- 1967-04-21 CS CS292267A patent/CS157019B2/cs unknown
- 1967-04-21 BE BE697348D patent/BE697348A/xx not_active IP Right Cessation
- 1967-04-21 FI FI671184A patent/FI46064C/fi active
- 1967-04-23 GR GR670136579A patent/GR36579B/el unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1643065A1 (de) | 1971-04-15 |
| OA02416A (fr) | 1970-05-05 |
| JPS4925253B1 (de) | 1974-06-28 |
| BE697348A (de) | 1967-10-02 |
| DK116865B (da) | 1970-02-23 |
| NL6605483A (de) | 1967-10-23 |
| ES339600A1 (es) | 1968-07-16 |
| GB1160030A (en) | 1969-07-30 |
| FI46064B (de) | 1972-08-31 |
| GR36579B (el) | 1969-02-21 |
| IL27801A (en) | 1970-08-19 |
| FI46064C (fi) | 1972-12-11 |
| NL148878B (nl) | 1976-03-15 |
| DE1643065B2 (de) | 1976-01-02 |
| NO123524B (de) | 1971-12-06 |
| CS157019B2 (de) | 1974-08-23 |
| AT273152B (de) | 1969-08-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |