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Jerzy DRYGAS
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Krotoszyn, PL
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last 30 patents
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Patent Grant
Method for manufacturing of vardenafil and its salts
Patent number
9,845,328
Issue date
Dec 19, 2017
Zaklady Farmaceutyczne Polpharma SA
Roman Szramka
C07 - ORGANIC CHEMISTRY
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last 30 patents
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Patent Application
THE METHOD FOR MANUFACTURING OF VARDENAFIL AND ITS SALTS
Publication number
20160311827
Publication date
Oct 27, 2016
ZAKLADY FARMACEUTYCZNE POLPHARMA S.A.
Roman SZRAMKA
C07 - ORGANIC CHEMISTRY
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Patent Application
AMORPHOUS CARVEDILOL PHOSPHATE AND METHOD OF MANUFACTURING THEREOF
Publication number
20080242872
Publication date
Oct 2, 2008
ZAKLADY FARMACEUTYCZNE POLPHARMA S.A.
Jerzy DRYGAS
C07 - ORGANIC CHEMISTRY