FZ

Filippus J. Zeelen

AI Akzona Incorporated: 4 patents #28 of 274Top 15%
AN Akzo N.V.: 2 patents #175 of 803Top 25%
📍 Heesch, NL: #7 of 37 inventorsTop 20%
Overall (All Time): #896,789 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
4330539 Novel 17-amino-16-hydroxy steroids of the androstane and oestrane series and derivatives thereof Thomas Sleigh, David S. Savage 1982-05-18
4330540 Ent-16-amino-17-hydroxy-oestra-1,3,5(10)-trienes and derivatives thereof, and pharmaceutical compositions 1982-05-18
4232042 Di-Carboxylic acid derivatives Alexander C. Campbell, Colin L. Hewett 1980-11-04
4222940 Cyclization substrates, cyclization process and related 11.beta.-axially-substituted steroids Arnoldus I. A. Broess 1980-09-16
4221713 Cyclization substrates and related 11.alpha.-equatorially-substituted steroids Marinus B. Groen 1980-09-09
4186142 Cyclization substrates and 6.alpha.-substituted 19-norsteroid derivatives Marinus B. Groen 1980-01-29