NL7301652A - - Google Patents

Info

Publication number
NL7301652A
NL7301652A NL7301652A NL7301652A NL7301652A NL 7301652 A NL7301652 A NL 7301652A NL 7301652 A NL7301652 A NL 7301652A NL 7301652 A NL7301652 A NL 7301652A NL 7301652 A NL7301652 A NL 7301652A
Authority
NL
Netherlands
Application number
NL7301652A
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 filed Critical
Publication of NL7301652A publication Critical patent/NL7301652A/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)
  • Pyrrole Compounds (AREA)
NL7301652A 1972-02-07 1973-02-06 NL7301652A (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US22427472A 1972-02-07 1972-02-07

Publications (1)

Publication Number Publication Date
NL7301652A true NL7301652A (enrdf_load_html_response) 1973-08-09

Family

ID=22839968

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7301652A NL7301652A (enrdf_load_html_response) 1972-02-07 1973-02-06

Country Status (6)

Country Link
JP (1) JPS5212711B2 (enrdf_load_html_response)
CA (1) CA999252A (enrdf_load_html_response)
FR (1) FR2171258B1 (enrdf_load_html_response)
GB (1) GB1398501A (enrdf_load_html_response)
IT (1) IT977223B (enrdf_load_html_response)
NL (1) NL7301652A (enrdf_load_html_response)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4276215A (en) * 1977-07-25 1981-06-30 Gaf Corporation Purification of pyrrolidone

Also Published As

Publication number Publication date
JPS4891062A (enrdf_load_html_response) 1973-11-27
DE2305921B2 (de) 1975-10-23
FR2171258B1 (enrdf_load_html_response) 1980-08-08
JPS5212711B2 (enrdf_load_html_response) 1977-04-08
DE2305921A1 (de) 1973-08-16
FR2171258A1 (enrdf_load_html_response) 1973-09-21
CA999252A (en) 1976-11-02
GB1398501A (en) 1975-06-25
IT977223B (it) 1974-09-10

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Legal Events

Date Code Title Description
BC A request for examination has been filed
BV The patent application has lapsed