BE712841A - - Google Patents

Info

Publication number: BE712841A
Authority: BE; Belgium

Application number

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.)

1968-03-27

Filing date

1968-03-27

Publication date

1968-07-31

1968-03-27 Application filed filed Critical

1968-07-31 Publication of BE712841A publication Critical patent/BE712841A/xx

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D471/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00
- C07D471/12—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00 in which the condensed system contains three hetero rings
- C07D471/20—Spiro-condensed systems

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Medicines Containing Plant Substances (AREA)
Nitrogen Condensed Heterocyclic Rings (AREA)

BE712841D 1968-03-27 1968-03-27 BE712841A ( )

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
BE712841		1968-03-27

Publications (1)

Publication Number	Publication Date
BE712841A true BE712841A ( )	1968-07-31

Family

ID=3852653

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE712841D BE712841A ( )	1968-03-27	1968-03-27

Country Status (4)

Country	Link
BE (1)	BE712841A ( )
DE (1)	DE1914987A1 ( )
FR (1)	FR2004853A1 ( )
OA (1)	OA03025A ( )

1968
- 1968-03-27 BE BE712841D patent/BE712841A/xx not_active IP Right Cessation
1969
- 1969-03-22 OA OA53555A patent/OA03025A/xx unknown
- 1969-03-25 DE DE19691914987 patent/DE1914987A1/de active Pending
- 1969-03-26 FR FR6909002A patent/FR2004853A1/fr active Pending

Also Published As

Publication number	Publication date
FR2004853A1 (en)	1969-12-05
OA03025A (fr)	1970-12-15
DE1914987A1 (de)	1970-04-16

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Legal Events

Date	Code	Title	Description
1988-01-01	RE20	Patent expired	Owner name: OMNIUM CHIMIQUE S.A. Effective date: 19880327

Date

Code

Title

Description

1988-01-01

RE20

Patent expired

Owner name: OMNIUM CHIMIQUE S.A.

Effective date: 19880327