JK

Jan Kelder

AN Akzo N.V.: 1 patents #13 of 56Top 25%
📍 Oss, NL: #2 of 10 inventorsTop 20%
Overall (1982): #56,105 of 81,411Top 70%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4348390 Novel bis- and mono-quaternary ammonium derivatives of 2.beta.,16.beta.-dipiperidino-5.alpha.-androstanes, processes for their preparation and pharmaceutical preparations 1982-09-07