BR7305956D0 - IMPROVEMENT IN THE PROCESS FOR RECOVERY OF LACTAMS - Google Patents

IMPROVEMENT IN THE PROCESS FOR RECOVERY OF LACTAMS

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
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/en

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 IMPROVEMENT IN THE PROCESS FOR RECOVERY OF LACTAMS BR7305956D0 (en)

Applications Claiming Priority (1)

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

Publications (1)

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

Family

ID=19816646

Family Applications (1)

Application Number Title Priority Date Filing Date
BR5956/73A BR7305956D0 (en) 1972-08-03 1973-08-03 IMPROVEMENT IN THE PROCESS FOR RECOVERY OF LACTAMS

Country Status (11)

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

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5849782B2 (en) * 1975-05-30 1983-11-07 ニホンサンソ カブシキガイシヤ Ekikatennengasunokanreioriyoshita
JPS5849783B2 (en) * 1975-05-30 1983-11-07 ニホンサンソ カブシキガイシヤ Ekikatennengasunokanreioriyoshita
JPS5825953B2 (en) * 1975-07-30 1983-05-31 ニホンサンソ カブシキガイシヤ Exhaust air system
JPS5825954B2 (en) * 1975-07-30 1983-05-31 ニホンサンソ カブシキガイシヤ Exhaust air system
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 (en) 1999-05-26 2000-12-08 Air Liquide Japan Ltd Air separating method and air separating facility

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL144600B (en) * 1964-03-07 1975-01-15 Stamicarbon SEPARATION OF LACTAMES FROM A STRONG SULFURIC ACID ENVIRONMENT.
DE1770745A1 (en) * 1968-06-28 1971-11-25 Hansdieter Hofmann Process for the production of pure caprolactam

Also Published As

Publication number Publication date
FR2194704A2 (en) 1974-03-01
DE2338784A1 (en) 1974-02-14
IT1046302B (en) 1980-06-30
BE803171R (en) 1974-02-04
AR195442A1 (en) 1973-10-08
FR2194704B2 (en) 1979-01-26
GB1401094A (en) 1975-07-16
NL7210626A (en) 1974-02-05
JPS4945054A (en) 1974-04-27
ES417501A2 (en) 1977-07-16
CH592057A5 (en) 1977-10-14

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