IT978438B - REFINING PROCESS OF HEX METHYLENDIAMINE - Google Patents
REFINING PROCESS OF HEX METHYLENDIAMINEInfo
- Publication number
- IT978438B IT978438B IT1956973A IT1956973A IT978438B IT 978438 B IT978438 B IT 978438B IT 1956973 A IT1956973 A IT 1956973A IT 1956973 A IT1956973 A IT 1956973A IT 978438 B IT978438 B IT 978438B
- Authority
- IT
- Italy
- Prior art keywords
- methylendiamine
- hex
- refining process
- refining
- hex methylendiamine
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
- C07C209/44—Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of carboxylic acids or esters thereof in presence of ammonia or amines, or by reduction of nitriles, carboxylic acid amides, imines or imino-ethers
- C07C209/48—Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of carboxylic acids or esters thereof in presence of ammonia or amines, or by reduction of nitriles, carboxylic acid amides, imines or imino-ethers by reduction of nitriles
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 |
---|---|---|---|
US24642572A | 1972-04-21 | 1972-04-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT978438B true IT978438B (en) | 1974-09-20 |
Family
ID=22930626
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT1956973A IT978438B (en) | 1972-04-21 | 1973-01-24 | REFINING PROCESS OF HEX METHYLENDIAMINE |
Country Status (8)
Country | Link |
---|---|
JP (1) | JPS4914409A (en) |
BE (1) | BE794576A (en) |
CA (1) | CA1000230A (en) |
DE (1) | DE2304303A1 (en) |
FR (1) | FR2180653A1 (en) |
GB (1) | GB1378273A (en) |
IT (1) | IT978438B (en) |
NL (1) | NL7301392A (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4687850A (en) * | 1984-12-03 | 1987-08-18 | The B.F. Goodrich Company | Purification of 1-(2-amino-2-alkylpropyl)-3,3,5,5-tetraalkylpiperazinones |
DE4223776C1 (en) * | 1992-07-18 | 1993-09-16 | Mercedes-Benz Aktiengesellschaft, 70327 Stuttgart, De | Recycling amine from sand moulding process - by progressively increasing pH of used gases in solution and removing amine by gravity separation |
-
0
- BE BE794576D patent/BE794576A/en unknown
-
1973
- 1973-01-19 GB GB289773A patent/GB1378273A/en not_active Expired
- 1973-01-24 IT IT1956973A patent/IT978438B/en active
- 1973-01-24 CA CA161,920A patent/CA1000230A/en not_active Expired
- 1973-01-30 FR FR7303247A patent/FR2180653A1/fr not_active Withdrawn
- 1973-01-30 DE DE19732304303 patent/DE2304303A1/en not_active Ceased
- 1973-01-31 JP JP1207173A patent/JPS4914409A/ja active Pending
- 1973-01-31 NL NL7301392A patent/NL7301392A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
BE794576A (en) | 1973-07-26 |
CA1000230A (en) | 1976-11-23 |
GB1378273A (en) | 1974-12-27 |
FR2180653A1 (en) | 1973-11-30 |
DE2304303A1 (en) | 1973-11-08 |
NL7301392A (en) | 1973-10-23 |
JPS4914409A (en) | 1974-02-07 |
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