David Alker

Person

Eastry, Nr. Deal, GB

People

Patents Grantslast 30 patents

Information Patent Grant
Quaternary ammonium compounds
- Patent number 6,380,396
- Issue date Apr 30, 2002
- Pfizer Inc.
- Sandra Marina Monaghan
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Azetidinylpropylpiperidine derivatives, intermediates and use as ta...
- Patent number 6,262,046
- Issue date Jul 17, 2001
- Pfizer Inc.
- David Alker
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Quaternary ammonium compounds as tachykinin antagonists
- Patent number 6,207,678
- Issue date Mar 27, 2001
- Pfizer Inc.
- Sandra Marina Monaghan
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Muscarinic receptor antagonists
- Patent number 5,607,950
- Issue date Mar 4, 1997
- Pfizer Inc.
- David Alker
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
1-arylethyl-3-substituted piperidines
- Patent number 5,534,626
- Issue date Jul 9, 1996
- Pfizer Inc.
- David Alker
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Anticholinergic agents
- Patent number 5,486,527
- Issue date Jan 23, 1996
- Pfizer Inc.
- David Alker
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Muscarinic receptor antagonists
- Patent number 5,418,229
- Issue date May 23, 1995
- David Alker
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
1-arylethyl-3-substituted piperidines
- Patent number 5,410,046
- Issue date Apr 25, 1995
- Pfizer Inc.
- David Alker
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Certain 1-azabicyclo[2.2.1]heptanes useful as muscarinic receptor a...
- Patent number 5,397,800
- Issue date Mar 14, 1995
- Pfizer Inc.
- David Alker
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Imidazopyridine PAF/H.sub.1 antagonists
- Patent number 5,358,953
- Issue date Oct 25, 1994
- Pfizer Inc.
- David Alker
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Piperidine and pyrrolidine derivatives
- Patent number 5,344,835
- Issue date Sep 6, 1994
- Pfizer Inc.
- David Alker
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
1-arylethyl-3-substituted piperidines
- Patent number 5,231,104
- Issue date Jul 27, 1993
- Pfizer Inc.
- David Alker
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Certain amines which are muscarinic receptor antagonists
- Patent number 5,192,765
- Issue date Mar 9, 1993
- Pfizer Inc.
- David Alker
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
1-arylethyl-3-substituted piperidines
- Patent number 5,089,505
- Issue date Feb 18, 1992
- Pfizer Inc.
- David Alker
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
5,11-dihydrodibenzo[b,e][1,4]-thiazepines useful as gastro intestin...
- Patent number 5,071,844
- Issue date Dec 10, 1991
- Pfizer Inc.
- David Alker
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Dihydropyridine derivatives
- Patent number 4,957,930
- Issue date Sep 18, 1990
- Pfizer Inc.
- David Alker
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Dihydropyridine anti-ischaemic and antihypertensive agents
- Patent number 4,892,881
- Issue date Jan 9, 1990
- Pfizer Inc.
- David Alker
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
2-oxygen containing heteroalkoxyalkyl dihydropyridine intermediates
- Patent number 4,732,985
- Issue date Mar 22, 1988
- Pfizer Inc.
- David Alker
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Antihypertensive 2-hydroxyalkoxyalkyl dihydropyridines
- Patent number 4,654,353
- Issue date Mar 31, 1987
- Pfizer Inc.
- David Alker
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Anti-ischaemic and antihypertensive 2-[pyrimidyloxy alhoxymethyl]-1...
- Patent number 4,618,609
- Issue date Oct 21, 1986
- Pfizer Inc.
- David Alker
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
4-aryl-3,5-bis(alkoxycarbonyl)-6-methyl-2-aminoalkyloxymethyl-1,4-d...
- Patent number 4,590,195
- Issue date May 20, 1986
- Pfizer Inc.
- David Alker
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
2-(4-Pyrimidone alkoxyalkyl) dihydropyridine anti-ischaemic and ant...
- Patent number 4,568,677
- Issue date Feb 4, 1986
- Pfizer Inc.
- David Alker
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Dihydropyridine anti-ischaemic and anti-hypertensive agents, compos...
- Patent number 4,548,935
- Issue date Oct 22, 1985
- Pfizer Inc.
- David Alker
- C07 - ORGANIC CHEMISTRY

David Alker

Person

Patents Grantslast 30 patents

Quaternary ammonium compounds

Azetidinylpropylpiperidine derivatives, intermediates and use as ta...

Quaternary ammonium compounds as tachykinin antagonists

Muscarinic receptor antagonists

1-arylethyl-3-substituted piperidines

Anticholinergic agents

Muscarinic receptor antagonists

1-arylethyl-3-substituted piperidines

Certain 1-azabicyclo[2.2.1]heptanes useful as muscarinic receptor a...

Imidazopyridine PAF/H.sub.1 antagonists

Piperidine and pyrrolidine derivatives

1-arylethyl-3-substituted piperidines

Certain amines which are muscarinic receptor antagonists

1-arylethyl-3-substituted piperidines

5,11-dihydrodibenzo[b,e][1,4]-thiazepines useful as gastro intestin...

Dihydropyridine derivatives

Dihydropyridine anti-ischaemic and antihypertensive agents

2-oxygen containing heteroalkoxyalkyl dihydropyridine intermediates

Antihypertensive 2-hydroxyalkoxyalkyl dihydropyridines

Anti-ischaemic and antihypertensive 2-[pyrimidyloxy alhoxymethyl]-1...

4-aryl-3,5-bis(alkoxycarbonyl)-6-methyl-2-aminoalkyloxymethyl-1,4-d...

2-(4-Pyrimidone alkoxyalkyl) dihydropyridine anti-ischaemic and ant...

Dihydropyridine anti-ischaemic and anti-hypertensive agents, compos...