GB1394295A - Removal of 1,2-diaminocyclohexane impurity from crude hexa methylenediamine - Google Patents
Removal of 1,2-diaminocyclohexane impurity from crude hexa methylenediamineInfo
- Publication number
- GB1394295A GB1394295A GB3720673A GB3720673A GB1394295A GB 1394295 A GB1394295 A GB 1394295A GB 3720673 A GB3720673 A GB 3720673A GB 3720673 A GB3720673 A GB 3720673A GB 1394295 A GB1394295 A GB 1394295A
- Authority
- GB
- United Kingdom
- Prior art keywords
- diaminocyclohexane
- impurity
- removal
- crude
- hexamethylene diamine
- Prior art date
- 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
- NAQMVNRVTILPCV-UHFFFAOYSA-N hexane-1,6-diamine Chemical compound NCCCCCCN NAQMVNRVTILPCV-UHFFFAOYSA-N 0.000 title abstract 8
- SSJXIUAHEKJCMH-UHFFFAOYSA-N cyclohexane-1,2-diamine Chemical compound NC1CCCCC1N SSJXIUAHEKJCMH-UHFFFAOYSA-N 0.000 title abstract 3
- 239000012535 impurity Substances 0.000 title abstract 3
- 150000001720 carbohydrates Chemical class 0.000 abstract 2
- 239000003377 acid catalyst Substances 0.000 abstract 1
- 125000004432 carbon atom Chemical group C* 0.000 abstract 1
- 239000007795 chemical reaction product Substances 0.000 abstract 1
- 150000004985 diamines Chemical class 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Polyamides (AREA)
- Saccharide Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US27846172A | 1972-08-07 | 1972-08-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1394295A true GB1394295A (en) | 1975-05-14 |
Family
ID=23065062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3720673A Expired GB1394295A (en) | 1972-08-07 | 1973-08-06 | Removal of 1,2-diaminocyclohexane impurity from crude hexa methylenediamine |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3781362A (enExample) |
| JP (1) | JPS4955607A (enExample) |
| BE (1) | BE803254A (enExample) |
| CA (1) | CA993895A (enExample) |
| DE (1) | DE2339750A1 (enExample) |
| FR (1) | FR2195621B1 (enExample) |
| GB (1) | GB1394295A (enExample) |
| IT (1) | IT995152B (enExample) |
| NL (1) | NL7310845A (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4085138A (en) * | 1976-08-03 | 1978-04-18 | Exxon Research & Engineering Co. | Process for optical resolution of crude trans-1,2-cyclohexanediamine |
-
1972
- 1972-08-07 US US00278461A patent/US3781362A/en not_active Expired - Lifetime
-
1973
- 1973-08-03 CA CA178,064A patent/CA993895A/en not_active Expired
- 1973-08-03 JP JP48086910A patent/JPS4955607A/ja active Pending
- 1973-08-06 IT IT27587/73A patent/IT995152B/it active
- 1973-08-06 DE DE19732339750 patent/DE2339750A1/de active Pending
- 1973-08-06 GB GB3720673A patent/GB1394295A/en not_active Expired
- 1973-08-06 BE BE134271A patent/BE803254A/xx not_active IP Right Cessation
- 1973-08-06 NL NL7310845A patent/NL7310845A/xx not_active Application Discontinuation
- 1973-08-07 FR FR7328868A patent/FR2195621B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL7310845A (enExample) | 1974-02-11 |
| IT995152B (it) | 1975-11-10 |
| US3781362A (en) | 1973-12-25 |
| FR2195621B1 (enExample) | 1977-02-25 |
| BE803254A (fr) | 1974-02-06 |
| CA993895A (en) | 1976-07-27 |
| DE2339750A1 (de) | 1974-02-21 |
| FR2195621A1 (enExample) | 1974-03-08 |
| JPS4955607A (enExample) | 1974-05-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |