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last 30 patents
Information
Patent Grant
Process for producing tobacco filter to adsorb materials harmful to...
Patent number
4,753,250
Issue date
Jun 28, 1988
Pecsi Dohanygyar
Istvan Bitter
A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information
Patent Grant
New crown ether derivatives, process for the preparation thereof an...
Patent number
4,739,081
Issue date
Apr 19, 1988
Magyar Tudomanyos Akademia
Laszlo Toke
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Crown ether compounds, process for the preparation of the crown eth...
Patent number
4,531,007
Issue date
Jul 23, 1985
Magyar Tudomanyos Akademia
Laszlo Toke
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Nitrogen bridgehead compounds having anti-allergic effect
Patent number
4,461,769
Issue date
Jul 24, 1984
Chinoin Gyogyszer es Vegyeszeti Termekek Gyara RT.
Istvan Hermecz
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of substituted acyl ureas
Patent number
4,355,178
Issue date
Oct 19, 1982
Chinoin Gyogyszer es Vegyeszeti Termekek Gyara RT.
Laszio Toke
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of polyhalogenphenyl carbamates
Patent number
4,347,377
Issue date
Aug 31, 1982
Chinoin Gyogyszer es Vegyeszeti Termekek Gyara RT.
Istvan Bitter
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Substituted-4-oxo-1,6,7,8-tetrahydro-4H-pyrido[1,2-a]pyrimidines
Patent number
4,321,377
Issue date
Mar 23, 1982
Chinoin Gyogyszer es Vegyeszeti Termekek Gyara RT.
Istvan Hermecz
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Nitrogen bridgehead compounds having anti-allergic effect
Patent number
4,234,586
Issue date
Nov 18, 1980
Chinoin Gyogyszer es Vegyeszeti Termekek Gyara RT.
Istvan Hermecz
C07 - ORGANIC CHEMISTRY