Inventor · disambiguated record
Stephen Challenger
Also filed as: CHALLENGER STEPHEN · CHALLENGER STEPHEN DR
7 granted patents·109 citations·filing 1990–2003
82Inventor score
Files withPFIZER7
Top patents by PatentIndex Score
7 records- 0196US6660756B2N-phenpropylcyclopentyl-substituted glutaramide derivatives as inhibitors of neutral endopeptidasePFIZER·Filed 2002·Granted Dec 9, 2003·92 cites·23 claims
- 0269US5166406APreparation of glutaric acid derivativesPFIZER·Filed 1990·Granted Nov 24, 1992·10 cites·16 claims
- 0359US6849649B2N-phenpropylcyclopentyl-substituted glutaramide derivatives as inhibitors of neutral endopeptidasePFIZER·Filed 2003·Granted Feb 1, 2005·1 cites·3 claims
- 0459US6211223B1Indole derivatives useful in therapyPFIZER·Filed 2000·Granted Apr 3, 2001·1 cites·16 claims
- 0545US5618970AHydrogenationPFIZER·Filed 1994·Granted Apr 8, 1997·3 cites·22 claims
- 0639US5714628APreparation of glutaric acid derivativesPFIZER·Filed 1996·Granted Feb 3, 1998·2 cites·12 claims
- 0730USRE35865EPreparation of glutaric acid derivativesPFIZER·Filed 1997·Granted Jul 28, 1998·0 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →