FR2169209B1 - - Google Patents

Info

Publication number
FR2169209B1
FR2169209B1 FR7302495A FR7302495A FR2169209B1 FR 2169209 B1 FR2169209 B1 FR 2169209B1 FR 7302495 A FR7302495 A FR 7302495A FR 7302495 A FR7302495 A FR 7302495A FR 2169209 B1 FR2169209 B1 FR 2169209B1
Authority
FR
France
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
FR7302495A
Other languages
French (fr)
Other versions
FR2169209A1 (un
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.)
Polymer Corp
Original Assignee
Polymer Corp
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 Polymer Corp filed Critical Polymer Corp
Publication of FR2169209A1 publication Critical patent/FR2169209A1/fr
Application granted granted Critical
Publication of FR2169209B1 publication Critical patent/FR2169209B1/fr
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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Hydrogenated Pyridines (AREA)
FR7302495A 1972-01-24 1973-01-24 Expired FR2169209B1 (un)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS42872A CS165031B1 (un) 1972-01-24 1972-01-24

Publications (2)

Publication Number Publication Date
FR2169209A1 FR2169209A1 (un) 1973-09-07
FR2169209B1 true FR2169209B1 (un) 1977-02-04

Family

ID=5336320

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7302495A Expired FR2169209B1 (un) 1972-01-24 1973-01-24

Country Status (8)

Country Link
JP (1) JPS4881883A (un)
CA (1) CA973083A (un)
CH (1) CH560189A5 (un)
CS (1) CS165031B1 (un)
DE (1) DE2302977A1 (un)
FR (1) FR2169209B1 (un)
GB (1) GB1379002A (un)
NL (1) NL7301014A (un)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1416202A (fr) * 1963-11-30 1965-10-29 Basf Ag épuration de pyrrolidone-2

Also Published As

Publication number Publication date
CH560189A5 (un) 1975-03-27
CS165031B1 (un) 1975-11-28
JPS4881883A (un) 1973-11-01
DE2302977A1 (de) 1973-08-02
CA973083A (en) 1975-08-19
GB1379002A (en) 1975-01-02
FR2169209A1 (un) 1973-09-07
NL7301014A (un) 1973-07-26

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Legal Events

Date Code Title Description
ST Notification of lapse