IN157310B - - Google Patents
Info
- Publication number
- IN157310B IN157310B IN985/CAL/82A IN985CA1982A IN157310B IN 157310 B IN157310 B IN 157310B IN 985CA1982 A IN985CA1982 A IN 985CA1982A IN 157310 B IN157310 B IN 157310B
- Authority
- IN
- India
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT8124526A IT1211125B (it) | 1981-10-16 | 1981-10-16 | Composti azotati. processo per la preparazione di |
Publications (1)
Publication Number | Publication Date |
---|---|
IN157310B true IN157310B (ja) | 1986-03-01 |
Family
ID=11213863
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IN985/CAL/82A IN157310B (ja) | 1981-10-16 | 1982-08-25 |
Country Status (12)
Country | Link |
---|---|
US (1) | US4670588A (ja) |
JP (1) | JPS5883666A (ja) |
AR (1) | AR230620A1 (ja) |
CA (1) | CA1327606C (ja) |
DE (1) | DE3228594A1 (ja) |
ES (1) | ES8404676A1 (ja) |
FR (1) | FR2514758B1 (ja) |
GB (1) | GB2107311B (ja) |
IN (1) | IN157310B (ja) |
IT (1) | IT1211125B (ja) |
NL (1) | NL8203258A (ja) |
SU (1) | SU1428191A3 (ja) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL8400840A (nl) * | 1984-03-16 | 1985-10-16 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van ureum. |
JPH082859B2 (ja) * | 1987-02-24 | 1996-01-17 | 東洋エンジニアリング株式会社 | 尿素製造方法 |
IN169678B (ja) * | 1987-08-13 | 1991-11-30 | Austral Pacific Fertilizers | |
ATE134994T1 (de) * | 1990-10-05 | 1996-03-15 | Urea Casale Sa | Verfahren zur herstellung von harnstoff mit unterschiedlichen leistungen sowie die implementierung in existierenden anlagen |
EP0497215A1 (en) * | 1991-01-29 | 1992-08-05 | Urea Casale S.A. | Process and plant for the production of urea with differentiated yield reaction spaces |
ATE167666T1 (de) * | 1991-11-14 | 1998-07-15 | Urea Casale Sa | Verfahren zur herstellung von harnstoff mit reaktionsräumen unterschiedlicher ausbeuten |
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 |
IT1274362B (it) * | 1995-02-16 | 1997-07-17 | Snam Progetti | Procedimento ad alta resa per la sintesi dell'urea |
US5767313A (en) * | 1995-05-23 | 1998-06-16 | Dsm N.V. | Method for the preparation of urea |
US6231632B1 (en) | 1999-05-25 | 2001-05-15 | Engelhard Corporation | Urea processing agent |
EP2644264A1 (de) | 2012-03-28 | 2013-10-02 | Aurotec GmbH | Druckreguliertes Mehrreaktorsystem |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH498811A (de) * | 1967-05-22 | 1970-11-15 | Chemical Construction Corp | Verfahren zur Herstellung von Harnstoff aus Ammoniak und Kohlendioxyd |
ES379855A1 (es) * | 1969-06-11 | 1973-02-16 | Titsui Toatsu Chemicals Inc | Procedimiento para sintetizar urea de dioxido de carbono y amoniaco. |
US4137262A (en) * | 1969-10-16 | 1979-01-30 | Snam Progetti S.P.A. | Process for the production of urea |
US3984469A (en) * | 1969-10-16 | 1976-10-05 | Snam Progetti S.P.A. | Process for the production of urea |
BE787832A (fr) * | 1971-09-02 | 1973-02-22 | Stamicarbon | Procede pour la preparation d'uree |
IT1068268B (it) * | 1976-09-09 | 1985-03-21 | Snam Progetti | Procedimento per la produzione di urea e purificazione delle acque |
NL174548C (nl) * | 1977-05-05 | 1988-05-16 | Montedison Spa | Werkwijze voor het bereiden van ureum door reaktie van ammoniak en kooldioxyde. |
IT1174366B (it) * | 1978-07-24 | 1987-07-01 | Ortu Francesco | Decompositore di carbammato per produzione industriale di urea |
IT1141030B (it) * | 1980-08-29 | 1986-10-01 | Snam Progetti | Procedimento per la produzione di urea |
-
1981
- 1981-10-16 IT IT8124526A patent/IT1211125B/it active
-
1982
- 1982-07-30 DE DE19823228594 patent/DE3228594A1/de not_active Withdrawn
- 1982-08-09 FR FR8213857A patent/FR2514758B1/fr not_active Expired
- 1982-08-19 NL NL8203258A patent/NL8203258A/nl not_active Application Discontinuation
- 1982-08-25 IN IN985/CAL/82A patent/IN157310B/en unknown
- 1982-09-20 SU SU823494195A patent/SU1428191A3/ru active
- 1982-09-21 AR AR290732A patent/AR230620A1/es active
- 1982-09-22 GB GB08227073A patent/GB2107311B/en not_active Expired
- 1982-10-15 JP JP57180069A patent/JPS5883666A/ja active Pending
- 1982-10-15 ES ES516549A patent/ES8404676A1/es not_active Expired
- 1982-10-15 CA CA000413515A patent/CA1327606C/en not_active Expired - Fee Related
-
1984
- 1984-08-13 US US06/640,243 patent/US4670588A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
SU1428191A3 (ru) | 1988-09-30 |
GB2107311A (en) | 1983-04-27 |
IT1211125B (it) | 1989-09-29 |
FR2514758A1 (fr) | 1983-04-22 |
NL8203258A (nl) | 1983-05-16 |
ES516549A0 (es) | 1984-05-01 |
JPS5883666A (ja) | 1983-05-19 |
ES8404676A1 (es) | 1984-05-01 |
IT8124526A0 (it) | 1981-10-16 |
AR230620A1 (es) | 1984-05-31 |
DE3228594A1 (de) | 1983-04-28 |
US4670588A (en) | 1987-06-02 |
FR2514758B1 (fr) | 1985-07-05 |
GB2107311B (en) | 1986-01-29 |
CA1327606C (en) | 1994-03-08 |