CA921481A - Process for the purification of caprolactam - Google Patents

Process for the purification of caprolactam

Info

Publication number
CA921481A
CA921481A CA110660A CA110660A CA921481A CA 921481 A CA921481 A CA 921481A CA 110660 A CA110660 A CA 110660A CA 110660 A CA110660 A CA 110660A CA 921481 A CA921481 A CA 921481A
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
CA110660A
Other languages
English (en)
Other versions
CA110660S (en
Inventor
H. Schwarz Hans
Immel Otto
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 CA921481A publication Critical patent/CA921481A/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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Other In-Based Heterocyclic Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Pyrrole Compounds (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
CA110660A 1970-04-22 1971-04-19 Process for the purification of caprolactam Expired CA921481A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2019431A DE2019431C2 (de) 1970-04-22 1970-04-22 Verfahren zur Reinigung von Caprolactam

Publications (1)

Publication Number Publication Date
CA921481A true CA921481A (en) 1973-02-20

Family

ID=5768844

Family Applications (1)

Application Number Title Priority Date Filing Date
CA110660A Expired CA921481A (en) 1970-04-22 1971-04-19 Process for the purification of caprolactam

Country Status (9)

Country Link
US (1) US3755305A (es)
BE (1) BE766138A (es)
CA (1) CA921481A (es)
CH (1) CH553784A (es)
DE (1) DE2019431C2 (es)
ES (1) ES390416A1 (es)
FR (1) FR2086263B1 (es)
GB (1) GB1294614A (es)
NL (1) NL7104914A (es)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2641454A1 (de) * 1976-09-15 1978-03-23 Bayer Ag Verfahren zur reinigung von epsilon-caprolactam
DE2926279A1 (de) * 1979-06-29 1981-01-08 Basf Ag Verfahren zur reinigung von caprolactam
TW215084B (en) * 1992-04-17 1993-10-21 Sumitomo Chemical Co Process for producing a high purity caprolactam

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2861988A (en) * 1958-11-25 Caprolactam manufacture
US2692878A (en) * 1954-10-26 Method forithe continuous produc-
US2221369A (en) * 1940-11-12 Process foe producing lactams
US2758991A (en) * 1956-08-14 Hvvevvtofry
CH450433A (de) * 1965-06-15 1968-01-31 Inventa Ag Verfahren zur Reinigung von Lactamen
GB1198428A (en) * 1967-07-18 1970-07-15 Bp Chem Int Ltd Solvent Extraction Process for Caprolactam

Also Published As

Publication number Publication date
GB1294614A (en) 1972-11-01
US3755305A (en) 1973-08-28
CH553784A (de) 1974-09-13
DE2019431A1 (de) 1971-11-04
FR2086263A1 (es) 1971-12-31
FR2086263B1 (es) 1975-07-04
ES390416A1 (es) 1973-06-01
BE766138A (fr) 1971-09-16
DE2019431C2 (de) 1981-10-15
NL7104914A (es) 1971-10-26

Similar Documents

Publication Publication Date Title
CA962220A (en) Process for purifying lactams
CA970784A (en) Purification process
CA962623A (en) Process for purifying lactams
YU139871A (en) Process for the purification of sewage
CA975768A (en) Lactam process
YU245971A (en) Process for the purification of lactam
CA942067A (en) Purification process
CA921481A (en) Process for the purification of caprolactam
CA1025854A (en) Process for the purification of caprolactam
CA964656A (en) Process for the purification of caprolactam
CA921021A (en) Purification process
CA850155A (en) Purification process
CA842832A (en) Process for the production of lactams
CA837115A (en) Process for the production of lactams
CA857886A (en) Process for the production of lactams
CA835850A (en) Purification process
CA854250A (en) Purification process
CA851751A (en) Purification process
CA847932A (en) Purification process
AU446288B2 (en) Purification process
CA848237A (en) Purification process
CA850154A (en) Purification process
CA848486A (en) Purification process
CA834055A (en) Purification process
CA836542A (en) Purification process