CA1025854A - Process for the purification of caprolactam - Google Patents

Process for the purification of caprolactam

Info

Publication number
CA1025854A
CA1025854A CA171,718A CA171718A CA1025854A CA 1025854 A CA1025854 A CA 1025854A CA 171718 A CA171718 A CA 171718A CA 1025854 A CA1025854 A CA 1025854A
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
Application number
CA171,718A
Other languages
French (fr)
Other versions
CA171718S (en
Inventor
Hans-Helmut Schwarz
Otto Immel
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.)
Bayer AG
Original Assignee
Bayer AG
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.)
Filing date
Publication date
Application filed by Bayer AG filed Critical Bayer AG
Application granted granted Critical
Publication of CA1025854A publication Critical patent/CA1025854A/en
Expired legal-status Critical Current

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
CA171,718A 1972-05-19 1973-05-17 Process for the purification of caprolactam Expired CA1025854A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722224505 DE2224505C3 (en) 1972-05-19 1972-05-19 Process for purifying caprolactam

Publications (1)

Publication Number Publication Date
CA1025854A true CA1025854A (en) 1978-02-07

Family

ID=5845364

Family Applications (1)

Application Number Title Priority Date Filing Date
CA171,718A Expired CA1025854A (en) 1972-05-19 1973-05-17 Process for the purification of caprolactam

Country Status (8)

Country Link
JP (1) JPS4954389A (en)
BE (1) BE799659A (en)
CA (1) CA1025854A (en)
DE (1) DE2224505C3 (en)
FR (1) FR2185623B1 (en)
GB (1) GB1403341A (en)
IT (1) IT985180B (en)
NL (1) NL7306843A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5212187A (en) * 1975-07-17 1977-01-29 Toray Ind Inc Method of purifying alpha-amino-epsilon- caprolactam
DE2845075A1 (en) * 1978-10-17 1980-05-08 Basf Ag METHOD FOR PURIFYING ROHCAPROLACTAM
IT1113404B (en) * 1979-02-28 1986-01-20 Snia Viscosa INTERNATIONAL PATENTS S.R.L. VIA BRENTANO 2 MILAN
DE2939312C2 (en) * 1979-09-28 1984-01-05 Liba Maschinenfabrik Gmbh, 8674 Naila Thread feed for warp knitting machines

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1416202A (en) * 1963-11-30 1965-10-29 Basf Ag purification of pyrrolidone-2
FR1490312A (en) * 1965-09-11 1967-07-28 Zimmer Ag Hans J Advanced process for the purification of epsilon-caprolactam

Also Published As

Publication number Publication date
BE799659A (en) 1973-11-19
DE2224505C3 (en) 1980-09-18
DE2224505B2 (en) 1980-01-17
IT985180B (en) 1974-11-30
JPS4954389A (en) 1974-05-27
FR2185623A1 (en) 1974-01-04
GB1403341A (en) 1975-08-28
FR2185623B1 (en) 1976-11-12
NL7306843A (en) 1973-11-21
DE2224505A1 (en) 1973-12-06

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