FR2516918A1 - Synthese de l'uree - Google Patents
Synthese de l'uree Download PDFInfo
- Publication number
- FR2516918A1 FR2516918A1 FR8219689A FR8219689A FR2516918A1 FR 2516918 A1 FR2516918 A1 FR 2516918A1 FR 8219689 A FR8219689 A FR 8219689A FR 8219689 A FR8219689 A FR 8219689A FR 2516918 A1 FR2516918 A1 FR 2516918A1
- Authority
- FR
- France
- Prior art keywords
- ammonia
- urea
- carbon dioxide
- sample
- synthesis
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56187775A JPS5890544A (ja) | 1981-11-25 | 1981-11-25 | 尿素合成法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2516918A1 true FR2516918A1 (fr) | 1983-05-27 |
Family
ID=16211989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8219689A Withdrawn FR2516918A1 (fr) | 1981-11-25 | 1982-11-24 | Synthese de l'uree |
Country Status (9)
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4928740B2 (ja) * | 2005-05-31 | 2012-05-09 | 東洋エンジニアリング株式会社 | 尿素合成方法および装置 |
| JP5564497B2 (ja) | 2009-05-28 | 2014-07-30 | 東洋エンジニアリング株式会社 | カルバミン酸アンモニウム水溶液の分析方法および未反応ガス吸収槽の運転方法 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3758572A (en) * | 1971-04-26 | 1973-09-11 | Dow Chemical Co | Process for recovering urea from pyrolysis systems |
-
1981
- 1981-11-25 JP JP56187775A patent/JPS5890544A/ja active Granted
-
1982
- 1982-11-15 GB GB08232566A patent/GB2110675B/en not_active Expired
- 1982-11-15 IN IN1331/CAL/82A patent/IN159630B/en unknown
- 1982-11-19 NL NL8204495A patent/NL8204495A/nl not_active Application Discontinuation
- 1982-11-24 IT IT24430/82A patent/IT1155070B/it active
- 1982-11-24 FR FR8219689A patent/FR2516918A1/fr not_active Withdrawn
- 1982-11-24 DE DE19823243356 patent/DE3243356A1/de not_active Withdrawn
- 1982-11-24 BR BR8206811A patent/BR8206811A/pt unknown
- 1982-11-24 KR KR8205292A patent/KR870001237B1/ko not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3758572A (en) * | 1971-04-26 | 1973-09-11 | Dow Chemical Co | Process for recovering urea from pyrolysis systems |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6239152B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1987-08-21 |
| GB2110675A (en) | 1983-06-22 |
| IT1155070B (it) | 1987-01-21 |
| IT8224430A0 (it) | 1982-11-24 |
| GB2110675B (en) | 1985-07-24 |
| IT8224430A1 (it) | 1984-05-24 |
| KR840002348A (ko) | 1984-06-25 |
| KR870001237B1 (ko) | 1987-06-26 |
| DE3243356A1 (de) | 1983-06-01 |
| JPS5890544A (ja) | 1983-05-30 |
| IN159630B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1987-05-30 |
| BR8206811A (pt) | 1983-10-04 |
| NL8204495A (nl) | 1983-06-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |