ES417501A2 - Procedimiento para la recuperacion de lactamas de una mezclaobtenida por conversion de las oximas correspondientes. - Google Patents

Procedimiento para la recuperacion de lactamas de una mezclaobtenida por conversion de las oximas correspondientes.

Info

Publication number
ES417501A2
ES417501A2 ES417501A ES417501A ES417501A2 ES 417501 A2 ES417501 A2 ES 417501A2 ES 417501 A ES417501 A ES 417501A ES 417501 A ES417501 A ES 417501A ES 417501 A2 ES417501 A2 ES 417501A2
Authority
ES
Spain
Prior art keywords
organic solvent
ammonium
solution
sulfuric acid
lactam
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
ES417501A
Other languages
English (en)
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.)
Stamicarbon BV
Original Assignee
Stamicarbon BV
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 BV filed Critical Stamicarbon BV
Publication of ES417501A2 publication Critical patent/ES417501A2/es
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
ES417501A 1972-08-03 1973-08-02 Procedimiento para la recuperacion de lactamas de una mezclaobtenida por conversion de las oximas correspondientes. Expired ES417501A2 (es)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ES417501A2 true ES417501A2 (es) 1977-07-16

Family

ID=19816646

Family Applications (1)

Application Number Title Priority Date Filing Date
ES417501A Expired ES417501A2 (es) 1972-08-03 1973-08-02 Procedimiento para la recuperacion de lactamas de una mezclaobtenida por conversion de las oximas correspondientes.

Country Status (11)

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

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
AR195442A1 (es) 1973-10-08
NL7210626A (es) 1974-02-05
IT1046302B (it) 1980-06-30
JPS4945054A (es) 1974-04-27
CH592057A5 (es) 1977-10-14
BE803171R (fr) 1974-02-04
DE2338784A1 (de) 1974-02-14
GB1401094A (en) 1975-07-16
FR2194704B2 (es) 1979-01-26
FR2194704A2 (es) 1974-03-01
BR7305956D0 (pt) 1974-07-18

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Legal Events

Date Code Title Description
FD2A Announcement of lapse in spain

Effective date: 20170704