BR7305956D0 - Aperfeicoamento em processo para recuperacao de lactamas - Google Patents

Aperfeicoamento em processo para recuperacao de lactamas

Info

Publication number
BR7305956D0
BR7305956D0 BR5956/73A BR595673A BR7305956D0 BR 7305956 D0 BR7305956 D0 BR 7305956D0 BR 5956/73 A BR5956/73 A BR 5956/73A BR 595673 A BR595673 A BR 595673A BR 7305956 D0 BR7305956 D0 BR 7305956D0
Authority
BR
Brazil
Prior art keywords
lactams
recovery
improvement
Prior art date
Application number
BR5956/73A
Other languages
English (en)
Portuguese (pt)
Inventor
Rooy A De
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
Publication of BR7305956D0 publication Critical patent/BR7305956D0/pt

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)
BR5956/73A 1972-08-03 1973-08-03 Aperfeicoamento em processo para recuperacao de lactamas BR7305956D0 (pt)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BR7305956D0 true BR7305956D0 (pt) 1974-07-18

Family

ID=19816646

Family Applications (1)

Application Number Title Priority Date Filing Date
BR5956/73A BR7305956D0 (pt) 1972-08-03 1973-08-03 Aperfeicoamento em processo para recuperacao de lactamas

Country Status (11)

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

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
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
CH592057A5 (de) 1977-10-14
FR2194704A2 (de) 1974-03-01
GB1401094A (en) 1975-07-16
DE2338784A1 (de) 1974-02-14
BE803171R (fr) 1974-02-04
AR195442A1 (es) 1973-10-08
FR2194704B2 (de) 1979-01-26
JPS4945054A (de) 1974-04-27
IT1046302B (it) 1980-06-30
ES417501A2 (es) 1977-07-16
NL7210626A (de) 1974-02-05

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