FR2128784B1 - - Google Patents

Info

Publication number
FR2128784B1
FR2128784B1 FR7208274A FR7208274A FR2128784B1 FR 2128784 B1 FR2128784 B1 FR 2128784B1 FR 7208274 A FR7208274 A FR 7208274A FR 7208274 A FR7208274 A FR 7208274A FR 2128784 B1 FR2128784 B1 FR 2128784B1
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
FR7208274A
Other languages
French (fr)
Other versions
FR2128784A1 (US20080293856A1-20081127-C00150.png
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.)
Beazer East Inc
Original Assignee
Koppers Co Inc
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 Koppers Co Inc filed Critical Koppers Co Inc
Publication of FR2128784A1 publication Critical patent/FR2128784A1/fr
Application granted granted Critical
Publication of FR2128784B1 publication Critical patent/FR2128784B1/fr
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D307/00Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/77Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D307/87Benzo [c] furans; Hydrogenated benzo [c] furans
    • C07D307/89Benzo [c] furans; Hydrogenated benzo [c] furans with two oxygen atoms directly attached in positions 1 and 3

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Furan Compounds (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
FR7208274A 1971-03-10 1972-03-09 Expired FR2128784B1 (US20080293856A1-20081127-C00150.png)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12307571A 1971-03-10 1971-03-10

Publications (2)

Publication Number Publication Date
FR2128784A1 FR2128784A1 (US20080293856A1-20081127-C00150.png) 1972-10-20
FR2128784B1 true FR2128784B1 (US20080293856A1-20081127-C00150.png) 1975-10-24

Family

ID=22406572

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7208274A Expired FR2128784B1 (US20080293856A1-20081127-C00150.png) 1971-03-10 1972-03-09

Country Status (5)

Country Link
CA (1) CA990304A (US20080293856A1-20081127-C00150.png)
DE (1) DE2211402A1 (US20080293856A1-20081127-C00150.png)
FR (1) FR2128784B1 (US20080293856A1-20081127-C00150.png)
GB (1) GB1383054A (US20080293856A1-20081127-C00150.png)
IT (1) IT948766B (US20080293856A1-20081127-C00150.png)

Also Published As

Publication number Publication date
DE2211402A1 (de) 1972-09-28
FR2128784A1 (US20080293856A1-20081127-C00150.png) 1972-10-20
IT948766B (it) 1973-06-11
GB1383054A (en) 1975-02-05
CA990304A (en) 1976-06-01

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Legal Events

Date Code Title Description
ST Notification of lapse