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Istvan Rusznak
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Budapest, HU
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last 30 patents
Information
Patent Grant
Highly efficient tobacco smoke filter
Patent number
5,060,672
Issue date
Oct 29, 1991
Pesci Dohanygyar
Sandor Irimi
A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
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
Method for increasing the biological value of manures, dung-waters,...
Patent number
4,534,782
Issue date
Aug 13, 1985
Magyar Tudomanyos Akademia Kozponti Hivatala
Istvan Rusznak
C05 - FERTILISERS MANUFACTURE THEREOF
Information
Patent Grant
Process for heterogeneous nucleophilic substitution reactions
Patent number
4,334,103
Issue date
Jun 8, 1982
Chinoin Gyogyszer es Vegyeszeti Termekek Gyara RT.
Laszlo Toke
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for heterogeneous nucleophilic substitution reactions
Patent number
4,229,366
Issue date
Oct 21, 1980
Chinoin Gyogyszer es Vegyeszeti Termeker Gyara Rt.
Laszlo Toke
C07 - ORGANIC CHEMISTRY