FR2056850A5 - - Google Patents
Info
- Publication number
- FR2056850A5 FR2056850A5 FR7029551A FR7029551A FR2056850A5 FR 2056850 A5 FR2056850 A5 FR 2056850A5 FR 7029551 A FR7029551 A FR 7029551A FR 7029551 A FR7029551 A FR 7029551A FR 2056850 A5 FR2056850 A5 FR 2056850A5
- Authority
- FR
- France
- 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.)
- Expired
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
- C07C273/14—Separation; Purification; Stabilisation; Use of additives
- C07C273/16—Separation; Purification
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 |
|---|---|---|---|
| JP44068311A JPS4919259B1 (US07122603-20061017-C00045.png) | 1969-08-30 | 1969-08-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2056850A5 true FR2056850A5 (US07122603-20061017-C00045.png) | 1971-05-14 |
Family
ID=13370122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7029551A Expired FR2056850A5 (US07122603-20061017-C00045.png) | 1969-08-30 | 1970-08-11 |
Country Status (9)
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2342961A1 (fr) * | 1976-03-02 | 1977-09-30 | Mitsui Toatsu Chemicals | Procede de separation et de recuperation de produits n'ayant pas reagi dans la synthese de l'uree |
| EP0019326A1 (en) * | 1979-05-09 | 1980-11-26 | Stamicarbon B.V. | Process for purifying urea-containing waste water and process for preparing melamine |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4036878A (en) * | 1972-06-12 | 1977-07-19 | Unie Van Kunstmestfabrieken, B.V. | Process for preparing urea |
| NL7417042A (nl) * | 1974-01-16 | 1975-07-18 | Fisons Ltd | Werkwijze voor de bereiding van ammoniumfos- faten. |
| US4061633A (en) * | 1974-02-25 | 1977-12-06 | Lazar Isaevich Blyakhman | Method of recovering primary and secondary amines |
| JPS555977B2 (US07122603-20061017-C00045.png) * | 1974-05-14 | 1980-02-12 | ||
| IT1014987B (it) * | 1974-06-12 | 1977-04-30 | Snam Progetti | Procedimento integrato urea am moniaca |
| JPS5268129A (en) * | 1975-12-05 | 1977-06-06 | Mitsui Toatsu Chem Inc | Recovery of unreacted material and heat on urea synthesis |
| US4110374A (en) * | 1976-03-02 | 1978-08-29 | Mitsui Toatsu Chemicals Inc. | Process for separating and recovering unreacted materials in urea synthesis |
| US4341640A (en) * | 1976-09-27 | 1982-07-27 | Standard Oil Company | Urea hydrolysis |
| JPS56128749A (en) * | 1980-03-13 | 1981-10-08 | Mitsui Toatsu Chem Inc | Stripping of unreacted material in urea preparation process |
| JP2004141263A (ja) * | 2002-10-22 | 2004-05-20 | Aruze Corp | 遊技機 |
| EP3366670A1 (en) * | 2017-02-27 | 2018-08-29 | Casale Sa | A process and system to capture ammonia from a purge gas of a urea plant |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1458030A (fr) * | 1964-12-16 | 1966-01-24 | Stamicarbon | Procédé et dispositif pour la préparation d'urée |
| FR1425802A (fr) * | 1964-02-27 | 1966-01-24 | Allied Chem | Procédé et installation de préparation d'urée, ainsi que les produits conformes à ceux obtenus par le présent procédé ou procédé similaire |
| FR1434858A (fr) * | 1964-05-29 | 1966-04-08 | Stamicarbon | Procédé pour la préparation d'urée |
| US3317601A (en) * | 1962-08-08 | 1967-05-02 | Toyo Koatsu Ind Inc | Synthesizing urea |
| FR1498842A (fr) * | 1965-11-08 | 1967-10-20 | Chemical Construction Corp | Procédé de synthèse de l'urée |
| FR1534669A (fr) * | 1964-02-17 | 1968-08-02 | Allied Chem | Procédé et dispositif de décomposition de carbamate d'ammonium notamment résultant de la synthèse de l'urée ainsi que les produits obtenus par le présent procédé ou procédé similaire |
-
1969
- 1969-08-30 JP JP44068311A patent/JPS4919259B1/ja active Pending
-
1970
- 1970-07-31 ES ES382368A patent/ES382368A1/es not_active Expired
- 1970-08-11 FR FR7029551A patent/FR2056850A5/fr not_active Expired
- 1970-08-18 US US00064805A patent/US3725210A/en not_active Expired - Lifetime
- 1970-08-19 GB GB1295742D patent/GB1295742A/en not_active Expired
- 1970-08-24 SU SU1473676A patent/SU467518A3/ru active
- 1970-08-27 DE DE2042574A patent/DE2042574C3/de not_active Expired
- 1970-08-28 NL NL707012798A patent/NL148595B/xx not_active IP Right Cessation
- 1970-08-28 CA CA091,858A patent/CA939293A/en not_active Expired
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3317601A (en) * | 1962-08-08 | 1967-05-02 | Toyo Koatsu Ind Inc | Synthesizing urea |
| FR1534669A (fr) * | 1964-02-17 | 1968-08-02 | Allied Chem | Procédé et dispositif de décomposition de carbamate d'ammonium notamment résultant de la synthèse de l'urée ainsi que les produits obtenus par le présent procédé ou procédé similaire |
| FR1425802A (fr) * | 1964-02-27 | 1966-01-24 | Allied Chem | Procédé et installation de préparation d'urée, ainsi que les produits conformes à ceux obtenus par le présent procédé ou procédé similaire |
| FR1434858A (fr) * | 1964-05-29 | 1966-04-08 | Stamicarbon | Procédé pour la préparation d'urée |
| FR1458030A (fr) * | 1964-12-16 | 1966-01-24 | Stamicarbon | Procédé et dispositif pour la préparation d'urée |
| FR1498842A (fr) * | 1965-11-08 | 1967-10-20 | Chemical Construction Corp | Procédé de synthèse de l'urée |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2342961A1 (fr) * | 1976-03-02 | 1977-09-30 | Mitsui Toatsu Chemicals | Procede de separation et de recuperation de produits n'ayant pas reagi dans la synthese de l'uree |
| EP0019326A1 (en) * | 1979-05-09 | 1980-11-26 | Stamicarbon B.V. | Process for purifying urea-containing waste water and process for preparing melamine |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2042574C3 (de) | 1978-08-10 |
| NL7012798A (US07122603-20061017-C00045.png) | 1971-03-02 |
| NL148595B (nl) | 1976-02-16 |
| DE2042574A1 (de) | 1971-03-11 |
| US3725210A (en) | 1973-04-03 |
| CA939293A (en) | 1974-01-01 |
| ES382368A1 (es) | 1972-11-16 |
| JPS4919259B1 (US07122603-20061017-C00045.png) | 1974-05-16 |
| SU467518A3 (ru) | 1975-04-15 |
| GB1295742A (US07122603-20061017-C00045.png) | 1972-11-08 |
| DE2042574B2 (de) | 1977-12-08 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |