CA964656A - Process for the purification of caprolactam - Google Patents
Process for the purification of caprolactamInfo
- Publication number
- CA964656A CA964656A CA127,089A CA127089A CA964656A CA 964656 A CA964656 A CA 964656A CA 127089 A CA127089 A CA 127089A CA 964656 A CA964656 A CA 964656A
- Authority
- CA
- Canada
- Prior art keywords
- caprolactam
- purification
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D201/00—Preparation, separation, purification or stabilisation of unsubstituted lactams
- C07D201/16—Separation or purification
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Other In-Based Heterocyclic Compounds (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19702023344 DE2023344A1 (en) | 1970-05-13 | 1970-05-13 | Process for purifying caprolactam |
FR7140161A FR2159180A1 (en) | 1970-05-13 | 1971-11-09 | Epsilon caprolactam purificn - by crystallisation from aromatic solvent and distillation |
Publications (1)
Publication Number | Publication Date |
---|---|
CA964656A true CA964656A (en) | 1975-03-18 |
Family
ID=25759133
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA127,089A Expired CA964656A (en) | 1970-05-13 | 1971-11-08 | Process for the purification of caprolactam |
Country Status (3)
Country | Link |
---|---|
CA (1) | CA964656A (en) |
DE (1) | DE2023344A1 (en) |
FR (1) | FR2159180A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL7505130A (en) * | 1975-05-01 | 1976-11-03 | Stamicarbon | PROCEDURE FOR THE WINNING OF PURE EPSILON CAPROLACTAM FROM AN Aqueous SOLUTION OF THIS. |
TW215084B (en) * | 1992-04-17 | 1993-10-21 | Sumitomo Chemical Co | Process for producing a high purity caprolactam |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1490312A (en) * | 1965-09-11 | 1967-07-28 | Zimmer Ag Hans J | Advanced process for the purification of epsilon-caprolactam |
-
1970
- 1970-05-13 DE DE19702023344 patent/DE2023344A1/en not_active Withdrawn
-
1971
- 1971-11-08 CA CA127,089A patent/CA964656A/en not_active Expired
- 1971-11-09 FR FR7140161A patent/FR2159180A1/en active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2159180B1 (en) | 1976-03-26 |
FR2159180A1 (en) | 1973-06-22 |
DE2023344A1 (en) | 1971-11-25 |
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