ES516549A0 - Procedimiento para preparar urea. - Google Patents

Procedimiento para preparar urea.

Info

Publication number: ES516549A0
Authority: ES; Spain
Prior art keywords: procedure; preparing urea; urea; preparing
Prior art date: 1981-10-16
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.): Granted

Application number

ES516549A

Other languages

English (en)

Other versions

ES8404676A1 (es

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Casale SA

Original Assignee

Ammonia Casale SA

Priority date (The priority date 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 date listed.)

1981-10-16

Filing date

1982-10-15

Publication date

1984-05-01

1982-10-15 Application filed by Ammonia Casale SA filed Critical Ammonia Casale SA

1984-05-01 Publication of ES8404676A1 publication Critical patent/ES8404676A1/es

1984-05-01 Publication of ES516549A0 publication Critical patent/ES516549A0/es

Status Granted legal-status Critical Current

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)

ES516549A 1981-10-16 1982-10-15 Procedimiento para preparar urea. Granted ES516549A0 (es)

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 (2)

Publication Number	Publication Date
ES8404676A1 ES8404676A1 (es)	1984-05-01
ES516549A0 true ES516549A0 (es)	1984-05-01

Family

ID=11213863

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ES516549A Granted ES516549A0 (es)	1981-10-16	1982-10-15	Procedimiento para preparar urea.

Country Status (12)

Country	Link
US (1)	US4670588A (es)
JP (1)	JPS5883666A (es)
AR (1)	AR230620A1 (es)
CA (1)	CA1327606C (es)
DE (1)	DE3228594A1 (es)
ES (1)	ES516549A0 (es)
FR (1)	FR2514758B1 (es)
GB (1)	GB2107311B (es)
IN (1)	IN157310B (es)
IT (1)	IT1211125B (es)
NL (1)	NL8203258A (es)
SU (1)	SU1428191A3 (es)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
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 (es) *	1987-08-13	1991-11-30	Austral Pacific Fertilizers
EP0479103B1 (en) *	1990-10-05	1996-03-06	Urea Casale S.A.	Process for the production of urea by steps with differentiated yields, and relevant implementations also on existing plants
US5276183A (en) *	1991-01-29	1994-01-04	Urea Casale S.A.	Process and plant for the production of urea
EP0544056B1 (en) *	1991-11-14	1998-06-24	Urea Casale S.A.	Process for urea production with differentiated yield reaction spaces
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)

* Cited by examiner, † Cited by third party
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.
US3984469A (en) *	1969-10-16	1976-10-05	Snam Progetti S.P.A.	Process for the production of urea
US4137262A (en) *	1969-10-16	1979-01-30	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
NO150512C (no) *	1977-05-05	1984-10-31	Montedison Spa	Fremgangsmaate ved fremstilling av urea.
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/ES516549A0/es active Granted
- 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
ES8404676A1 (es)	1984-05-01
IT8124526A0 (it)	1981-10-16
SU1428191A3 (ru)	1988-09-30
CA1327606C (en)	1994-03-08
AR230620A1 (es)	1984-05-31
GB2107311B (en)	1986-01-29
IT1211125B (it)	1989-09-29
GB2107311A (en)	1983-04-27
DE3228594A1 (de)	1983-04-28
JPS5883666A (ja)	1983-05-19
FR2514758A1 (fr)	1983-04-22
US4670588A (en)	1987-06-02
FR2514758B1 (fr)	1985-07-05
NL8203258A (nl)	1983-05-16
IN157310B (es)	1986-03-01

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