BE803171R - Procede pour la separation de lactames - Google Patents

Procede pour la separation de lactames

Info

Publication number
BE803171R
BE803171R BE134192A BE134192A BE803171R BE 803171 R BE803171 R BE 803171R BE 134192 A BE134192 A BE 134192A BE 134192 A BE134192 A BE 134192A BE 803171 R BE803171 R BE 803171R
Authority
BE
Belgium
Prior art keywords
lactames
separation
Prior art date
Application number
BE134192A
Other languages
English (en)
French (fr)
Original Assignee
Stamicarbon
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 Stamicarbon filed Critical Stamicarbon
Application granted granted Critical
Publication of BE803171R publication Critical patent/BE803171R/xx

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)
  • Extraction Or Liquid Replacement (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BE134192A 1972-08-03 1973-08-03 Procede pour la separation de lactames BE803171R (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7210626A NL7210626A (xx) 1972-08-03 1972-08-03

Publications (1)

Publication Number Publication Date
BE803171R true BE803171R (fr) 1974-02-04

Family

ID=19816646

Family Applications (1)

Application Number Title Priority Date Filing Date
BE134192A BE803171R (fr) 1972-08-03 1973-08-03 Procede pour la separation de lactames

Country Status (11)

Country Link
JP (1) JPS4945054A (xx)
AR (1) AR195442A1 (xx)
BE (1) BE803171R (xx)
BR (1) BR7305956D0 (xx)
CH (1) CH592057A5 (xx)
DE (1) DE2338784A1 (xx)
ES (1) ES417501A2 (xx)
FR (1) FR2194704B2 (xx)
GB (1) GB1401094A (xx)
IT (1) IT1046302B (xx)
NL (1) NL7210626A (xx)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5849783B2 (ja) * 1975-05-30 1983-11-07 ニホンサンソ カブシキガイシヤ エキカテンネンガスノカンレイオリヨウシタ エキタイクウキノセイゾウホウホウ
JPS5849782B2 (ja) * 1975-05-30 1983-11-07 ニホンサンソ カブシキガイシヤ エキカテンネンガスノカンレイオリヨウシタ エキタイクウキノセイゾウホウホウ
JPS5825954B2 (ja) * 1975-07-30 1983-05-31 ニホンサンソ カブシキガイシヤ エキカテンネンガスノカンレイオリヨウシタエキタイクウキノ セイゾウホウホウ
JPS5825953B2 (ja) * 1975-07-30 1983-05-31 ニホンサンソ カブシキガイシヤ エキカテンネンガスノカンレイオリヨウシタエキタイクウキノ セイゾウホウホウ
JPS53124188A (en) * 1977-04-06 1978-10-30 Hitachi Ltd Utilizing method for chillness of liquefied natural gas in air separator
JPS57115663A (en) * 1981-01-09 1982-07-19 Nippon Oxygen Co Ltd Power reduction of air liquified separator
US4375367A (en) * 1981-04-20 1983-03-01 Air Products And Chemicals, Inc. Lower power, freon refrigeration assisted air separation
JP2000337767A (ja) 1999-05-26 2000-12-08 Air Liquide Japan Ltd 空気分離方法及び空気分離設備

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL144600B (nl) * 1964-03-07 1975-01-15 Stamicarbon Afscheiding van lactamen uit een sterk zwavelzuur milieu.
DE1770745A1 (de) * 1968-06-28 1971-11-25 Hansdieter Hofmann Verfahren zur Herstellung von reinem Caprolactam

Also Published As

Publication number Publication date
FR2194704A2 (xx) 1974-03-01
JPS4945054A (xx) 1974-04-27
IT1046302B (it) 1980-06-30
ES417501A2 (es) 1977-07-16
DE2338784A1 (de) 1974-02-14
AR195442A1 (es) 1973-10-08
GB1401094A (en) 1975-07-16
FR2194704B2 (xx) 1979-01-26
NL7210626A (xx) 1974-02-05
CH592057A5 (xx) 1977-10-14
BR7305956D0 (pt) 1974-07-18

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: STAMICARBON B.V.

Effective date: 19850831