Inventor · disambiguated record
Filippus J. Zeelen
Also filed as: GROEN MARINUS B · ZEELEN FILIPPUS J · ZEELEN FILIPPUS JOHANNES
9 granted patents·24 citations·filing 1975–1981
82Inventor score
Top patents by PatentIndex Score
9 records- 0156US4330540AEnt-16-amino-17-hydroxy-oestra-1,3,5(10)-trienes and derivatives thereof, and pharmaceutical compositionsAKZO NV·Filed 1981·Granted May 18, 1982·9 cites·8 claims
- 0252US4113863AProstenoic acid derivativesMERCK PATENT GMBH·Filed 1976·Granted Sep 12, 1978·3 cites·8 claims
- 0351US4330539ANovel 17-amino-16-hydroxy steroids of the androstane and oestrane series and derivatives thereofAKZO NV·Filed 1981·Granted May 18, 1982·7 cites·9 claims
- 0447US4086362AProstenoic acid derivativesMERCK PATENT GMBH·Filed 1975·Granted Apr 25, 1978·3 cites·52 claims
- 0543US4232042ADi-Carboxylic acid derivativesAKZONA INC·Filed 1976·Granted Nov 4, 1980·2 cites·4 claims
- 0630US4177197ACyclization substrates and 7α-substituted 19-norsteroid derivativesAKZONA INC·Filed 1978·Granted Dec 4, 1979·0 cites·4 claims
- 0729US4221713ACyclization substrates and related 11α-equatorially-substituted steroidsAKZONA INC·Filed 1978·Granted Sep 9, 1980·0 cites·20 claims
- 0829US4186142ACyclization substrates and 6α-substituted 19-norsteroid derivativesAKZONA INC·Filed 1978·Granted Jan 29, 1980·0 cites·3 claims
- 0920US4222940ACyclization substrates, cyclization process and related 11β-axially-substituted steroidsAKZONA INC·Filed 1978·Granted Sep 16, 1980·0 cites·28 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →