Inventor · disambiguated record
David Alker
Also filed as: ALKER DAVID
23 granted patents·318 citations·filing 1984–2000
96Inventor score
Files withPFIZER22
Top patents by PatentIndex Score
23 records- 0187US5607950AMuscarinic receptor antagonistsPFIZER·Filed 1994·Granted Mar 4, 1997·34 cites·5 claims
- 0287US5486527AAnticholinergic agentsPFIZER·Filed 1994·Granted Jan 23, 1996·32 cites·7 claims
- 0382US5344835APiperidine and pyrrolidine derivativesPFIZER·Filed 1990·Granted Sep 6, 1994·45 cites·8 claims
- 0480US5397800ACertain 1-azabicyclo[2.2.1]heptanes useful as muscarinic receptor antagonistsPFIZER·Filed 1991·Granted Mar 14, 1995·44 cites·6 claims
- 0580US4568677A2-(4-Pyrimidone alkoxyalkyl) dihydropyridine anti-ischaemic and antihypertensive agentsPFIZER·Filed 1984·Granted Feb 4, 1986·11 cites·6 claims
- 0678US5418229AMuscarinic receptor antagonistsFiled 1994·Granted May 23, 1995·18 cites·6 claims
- 0774US5071844A5,11-dihydrodibenzo[b,e][1,4]-thiazepines useful as gastro intestinal selective calcium antagonistsPFIZER·Filed 1990·Granted Dec 10, 1991·15 cites·14 claims
- 0872US6380396B1Quaternary ammonium compoundsPFIZER·Filed 2000·Granted Apr 30, 2002·5 cites·1 claims
- 0972US5358953AImidazopyridine PAF/H1 antagonistsPFIZER·Filed 1992·Granted Oct 25, 1994·26 cites·8 claims
- 1065US4590195A4-aryl-3,5-bis(alkoxycarbonyl)-6-methyl-2-aminoalkyloxymethyl-1,4-dihydropyridine antihypertensive agentsPFIZER·Filed 1984·Granted May 20, 1986·8 cites·6 claims
- 1164US4618609AAnti-ischaemic and antihypertensive 2-[pyrimidyloxy alhoxymethyl]-1,4-dihydropyridinesPFIZER·Filed 1985·Granted Oct 21, 1986·11 cites·11 claims
- 1263US6262046B1Azetidinylpropylpiperidine derivatives, intermediates and use as tachykinin antagonistsPFIZER·Filed 1998·Granted Jul 17, 2001·20 cites·22 claims
- 1359US5231104A1-arylethyl-3-substituted piperidinesPFIZER·Filed 1992·Granted Jul 27, 1993·5 cites·15 claims
- 1459US4892881ADihydropyridine anti-ischaemic and antihypertensive agentsPFIZER·Filed 1987·Granted Jan 9, 1990·4 cites·7 claims
- 1556US4732985A2-oxygen containing heteroalkoxyalkyl dihydropyridine intermediatesPFIZER·Filed 1986·Granted Mar 22, 1988·3 cites·2 claims
- 1656US4548935ADihydropyridine anti-ischaemic and anti-hypertensive agents, compositions and usePFIZER·Filed 1985·Granted Oct 22, 1985·7 cites·12 claims
- 1755US5089505A1-arylethyl-3-substituted piperidinesPFIZER·Filed 1989·Granted Feb 18, 1992·7 cites·14 claims
- 1854US4654353AAntihypertensive 2-hydroxyalkoxyalkyl dihydropyridinesPFIZER·Filed 1985·Granted Mar 31, 1987·6 cites·7 claims
- 1952US5410046A1-arylethyl-3-substituted piperidinesPFIZER·Filed 1993·Granted Apr 25, 1995·3 cites·13 claims
- 2051US6207678B1Quaternary ammonium compounds as tachykinin antagonistsPFIZER·Filed 1998·Granted Mar 27, 2001·8 cites·28 claims
- 2145US5534626A1-arylethyl-3-substituted piperidinesPFIZER·Filed 1995·Granted Jul 9, 1996·2 cites·8 claims
- 2240US5192765ACertain amines which are muscarinic receptor antagonistsPFIZER·Filed 1989·Granted Mar 9, 1993·2 cites·13 claims
- 2340US4957930ADihydropyridine derivativesPFIZER·Filed 1988·Granted Sep 18, 1990·2 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →