IT1094908B - Procedimento per la preparazione di guanidina - Google Patents
Procedimento per la preparazione di guanidinaInfo
- Publication number
- IT1094908B IT1094908B IT22004/78A IT2200478A IT1094908B IT 1094908 B IT1094908 B IT 1094908B IT 22004/78 A IT22004/78 A IT 22004/78A IT 2200478 A IT2200478 A IT 2200478A IT 1094908 B IT1094908 B IT 1094908B
- Authority
- IT
- Italy
- Prior art keywords
- preparation procedure
- guanidine preparation
- guanidine
- procedure
- preparation
- 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
-
- 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
-
- 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
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 |
|---|---|---|---|
| JP52038093A JPS585904B2 (ja) | 1977-04-05 | 1977-04-05 | グアニジン及びその塩類の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IT7822004A0 IT7822004A0 (it) | 1978-04-05 |
| IT1094908B true IT1094908B (it) | 1985-08-10 |
Family
ID=12515846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT22004/78A IT1094908B (it) | 1977-04-05 | 1978-04-05 | Procedimento per la preparazione di guanidina |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US4157348A (it) |
| JP (1) | JPS585904B2 (it) |
| BR (1) | BR7802091A (it) |
| CA (1) | CA1084527A (it) |
| DE (1) | DE2814800A1 (it) |
| FR (1) | FR2386518A1 (it) |
| GB (1) | GB1600649A (it) |
| IN (1) | IN148282B (it) |
| IT (1) | IT1094908B (it) |
| NL (1) | NL7803583A (it) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6111316A (ja) * | 1984-06-28 | 1986-01-18 | 関東精機株式会社 | 梱包機におけるバンド溶融装置 |
| JPH0535043Y2 (it) * | 1989-04-27 | 1993-09-06 | ||
| DE4405546A1 (de) * | 1994-02-22 | 1995-08-24 | Nigu Chemie Gmbh | Verfahren zur Rückgewinnung von Guanidinsalzen |
| US20050029194A1 (en) * | 2003-08-07 | 2005-02-10 | Hall David Bruce | Method for removal of guanidine compound from aqueous media |
| CA2565636A1 (en) * | 2004-05-05 | 2005-11-17 | Robert K. Graupner | Guanidine based composition and system for same |
| GB2452169A (en) * | 2007-02-25 | 2009-02-25 | Puregeneration | Carbon dioxide sequestering fuel synthesis system and use thereof |
| WO2011079041A1 (en) * | 2009-12-24 | 2011-06-30 | Novomer, Inc. | Methods for the synthesis of polycyclic guanidine compounds |
| EP2690090A1 (en) * | 2012-07-27 | 2014-01-29 | Urea Casale SA | Concentration of the urea solution in a process for the synthesis of urea |
| JP5910696B1 (ja) * | 2014-10-06 | 2016-04-27 | 栗田工業株式会社 | 逆浸透膜の洗浄剤、洗浄液、および洗浄方法 |
| EP3862345A1 (en) * | 2020-02-04 | 2021-08-11 | Casale Sa | A process for producing low-biuret urea |
| CN114436900A (zh) * | 2020-11-02 | 2022-05-06 | 田雨 | 一种磷酸一二胍的生产工艺 |
| CN114436898A (zh) * | 2020-11-02 | 2022-05-06 | 田雨 | 一种硫酸胍的生产工艺 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2234732C2 (de) * | 1972-07-14 | 1983-05-05 | Lentia GmbH Chem. u. pharm. Erzeugnisse - Industriebedarf, 8000 München | Verfahren zur Gewinnung von Guanidin |
| JPS5311021B2 (it) * | 1973-06-16 | 1978-04-18 |
-
1977
- 1977-04-05 JP JP52038093A patent/JPS585904B2/ja not_active Expired
-
1978
- 1978-03-21 US US05/888,613 patent/US4157348A/en not_active Expired - Lifetime
- 1978-03-21 IN IN303/CAL/78A patent/IN148282B/en unknown
- 1978-03-30 FR FR7809336A patent/FR2386518A1/fr active Granted
- 1978-04-04 BR BR7802091A patent/BR7802091A/pt unknown
- 1978-04-04 GB GB13188/78A patent/GB1600649A/en not_active Expired
- 1978-04-04 CA CA300,386A patent/CA1084527A/en not_active Expired
- 1978-04-04 NL NL7803583A patent/NL7803583A/xx not_active Application Discontinuation
- 1978-04-05 IT IT22004/78A patent/IT1094908B/it active
- 1978-04-05 DE DE19782814800 patent/DE2814800A1/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| BR7802091A (pt) | 1979-04-03 |
| FR2386518A1 (fr) | 1978-11-03 |
| NL7803583A (nl) | 1978-10-09 |
| JPS53124220A (en) | 1978-10-30 |
| FR2386518B1 (it) | 1982-03-12 |
| IT7822004A0 (it) | 1978-04-05 |
| JPS585904B2 (ja) | 1983-02-02 |
| CA1084527A (en) | 1980-08-26 |
| GB1600649A (en) | 1981-10-21 |
| US4157348A (en) | 1979-06-05 |
| DE2814800A1 (de) | 1978-10-12 |
| IN148282B (it) | 1981-01-03 |
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