Patents Represented by Attorney Peter C. Richardson
  • Patent number: 6965027
    Abstract: This invention relates to novel amorphous and crystallline forms of 3-{(3R,4R)-4-methyl-3-[methyl-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-amino]-piperidin-1-yl}-3-oxo-propionitrile mono citrate salt, useful as inhibitors of protein kinases, and to their methods of preparation.
    Type: Grant
    Filed: December 4, 2002
    Date of Patent: November 15, 2005
    Assignee: Pfizer Inc.
    Inventors: Mark E. Flanagan, Zheng J. Li
  • Patent number: 6962931
    Abstract: CETP Inhibitors have improved solubility and bioavailability in a lipophilic vehicle comprising a digestible oil, a lipophilic solvent, or a surfactant. Preferred such compositions are self-emulsifying or self-microemulsifying, and comprise 1. a CETP inhibitor; 2. a cosolvent; 3. a surfactant having an HLB of 1 to 8; 4. a surfactant having an HLB of over 8 to 20; and 5. optionally, a digestible oil.
    Type: Grant
    Filed: June 19, 2002
    Date of Patent: November 8, 2005
    Assignee: Pfizer Inc.
    Inventors: Michael J. Gumkowski, Lombardo Franco, Sharad B. Murdande, Michael E. Perlman
  • Patent number: 6962993
    Abstract: A compound of the formula wherein R1, R2 and R3 are as defined above, useful as inhibitors of protein kinases, such as the enzyme Janus Kinase 3.
    Type: Grant
    Filed: June 16, 2003
    Date of Patent: November 8, 2005
    Assignee: Pfizer Inc.
    Inventors: Todd A. Blumenkopf, Mark E. Flanagan, Michael J. Munchhof
  • Patent number: 6962923
    Abstract: Compounds of formulae (IA) and (IB): wherein R1, R2, R3, Ar1 and X are as defined above, are endothelin antagonists. The compounds are therefore useful in the treatment of a variety of conditions mediated by endothelin, such as restenosis, renal failure and systemic and pulmonary hypertension.
    Type: Grant
    Filed: April 2, 2003
    Date of Patent: November 8, 2005
    Assignee: Pfizer Inc.
    Inventors: Bernard Joseph Banks, Nathan Anthony Logan Chubb, James John Eshelby, Darren John Schulz
  • Patent number: 6962912
    Abstract: The invention relates to novel substituted pyrazolo[4,3-e]-diazepines of general formula: to pharmaceutical compositions containing them, to their use as medicinal products and to processes for preparing them.
    Type: Grant
    Filed: December 27, 2000
    Date of Patent: November 8, 2005
    Assignee: Warner-Lambert LLC
    Inventors: Catherine Burnouf, Amaya Berecibar, Michael Navet
  • Patent number: 6960614
    Abstract: The present invention relates to oxygenated esters of 4-iodophenylamino benzhydroxamic acid derivatives, pharmaceutical compositions and methods of use thereof. The present invention also relates to crystaline forms of oxygenated esters of 4-iodophenylamino benzhydroxamic acid derivatives, pharmaceutical compositions and methods of use thereof.
    Type: Grant
    Filed: July 12, 2001
    Date of Patent: November 1, 2005
    Assignee: Warner-Lambert Company
    Inventors: Stephen Douglas Barrett, Cathlin Marie Biwersi, Michael David Kaufman, Haile Tecle, Joseph Scott Warmus
  • Patent number: 6958347
    Abstract: The present invention provides NPY-5 receptor antagonists having a Formula (I) Methods and pharmaceutical compositions useful for treating diseases, conditions and/or disorders modulated by the above NPY-5 receptor antagonists are also provided.
    Type: Grant
    Filed: December 1, 2003
    Date of Patent: October 25, 2005
    Assignee: Pfizer Inc.
    Inventor: Marlys Hammond
  • Patent number: 6958351
    Abstract: The invention provides new methods for treating certain disorders resulting from neurodegeneration and for treating depression which comprise administration of NR2B subunit selective NMDA antagonists. The disorders that can be treating by the invention include hearing loss, vision loss, neurodegeneration caused by epileptic seizures, neurotoxin poisoning, Restless Leg Syndrome, multi-system atrophy, non-vascular headache, and depression.
    Type: Grant
    Filed: October 2, 2001
    Date of Patent: October 25, 2005
    Assignee: Pfizer Inc
    Inventors: Bertrand L. Chenard, Mario Saltarelli, Frank S. Menniti
  • Patent number: 6956113
    Abstract: The present invention relates to novel assays for assessing the degree to which a cell is metabolically active. Also provided, are mutagenicity assays and, more specifically, methods for determining whether a given agent is genotoxic. Embodiments of the assays employ a microorganism, or a mammalian cell, that has been genetically modified to produce light when the presence of test agent results in a mutation, e.g., reversion or forward, in the DNA of such microorganism or cell.
    Type: Grant
    Filed: December 21, 2001
    Date of Patent: October 18, 2005
    Assignee: Pfizer Inc.
    Inventors: Jiri Aubrecht, Warren W. Ku, Jeffery J. Osowski
  • Patent number: 6953810
    Abstract: Compounds useful as inhibitors of PDE4 in the treatment of diseases regulated by the activation and degranulation of eosinophils, especially asthma, chronic bronchitis, and chronic obstructuive pulmonary disease, of the formula: where j is 0 or 1 provided that when j is 0, n must be 2; k is 0 or 1; m is 0, 1, or 2; n is 1 or 2; W1 is —O—; or —S(?O)t—, where t is 0, 1, or 2; or —N(R3)—; W2 is —O—CRARB— or is absent; Y is ?C(R1a)— or —[N?(O)k]— where k is 0 or 1; RA and RB are —H; —F; —CF3; —(C1-C4)alkyl; —(C3-C7) cycloalkyl; phenyl; or benzyl substituted with 0 to 3 substituents R10; or RA and RB are taken together, but only in the case where m is 1, to form a spiro moiety; RC and RD have the same meaning as RA and RB except that one of them must be —H, R1 and R2 are —H; —F; —Cl; —CN; —NO2; —(C1-C4)alkyl; —(C2-C4)alkynyl; fluorinated-(C1-C3)alkyl; —OR16; and —C(?O)NR22aR22b; R3 is —H; —(C1-C3)alkyl; phenyl; benzyl; or —OR16; R4, R5 and in addition to other meanings may be taken together to form, e.g.
    Type: Grant
    Filed: July 2, 2003
    Date of Patent: October 11, 2005
    Assignee: Pfizer Inc
    Inventors: Robert J. Chambers, Anthony Marfat, Thomas V. Magee
  • Patent number: 6951950
    Abstract: The invention features quaternary ammonium compounds of formula I, described herein, and their use in treating asthma, chronic obstructive pulmonary disorder, allergic rhinitis, and infectious rhinitis.
    Type: Grant
    Filed: October 17, 2003
    Date of Patent: October 4, 2005
    Assignee: Pharmacia & Upjohn Co
    Inventors: Ivan Michael Richards, Timothy Gordon Heath, Martin Durham Meglasson
  • Patent number: 6951873
    Abstract: Methods for the treatment of age-related behavioral disorders in companion animals are disclosed. These comprise administering to a companion animal in need of such treatment a therapeutically effective amount of an acetylcholinesterase inhibitor. A preferred acetylcholinesterase inhibitor is a compound of Formula 1: Pharmaceutical compositions and dosage forms comprising a compound of Formula 1 are also disclosed.
    Type: Grant
    Filed: March 3, 2000
    Date of Patent: October 4, 2005
    Assignee: Pfizer Inc.
    Inventor: Kristin M. Lundy
  • Patent number: 6951868
    Abstract: The invention provides compounds of Formula I: wherein Azabicyclo is any of: These compounds may be in the form of pharmaceutical salts or compositions, and racemic mixtures or pure enantiomers thereof. The compounds of Formula I are useful in pharmaceuticals in which ?7 is known to be involved.
    Type: Grant
    Filed: November 1, 2002
    Date of Patent: October 4, 2005
    Assignee: Pfizer Inc.
    Inventors: Daniel Patrick Walker, David W. Piotrowski, Eric Jon Jacobsen, Brad A. Acker, Vincent E. Groppi, Jr.
  • Patent number: 6949564
    Abstract: The present invention provides NPY-5 receptor antagonists having a Formula (IA) Methods and pharmaceutical compositions useful for treating diseases, conditions and/or disorders modulated by the above NPY-5 receptor antagonists are also provided.
    Type: Grant
    Filed: December 1, 2003
    Date of Patent: September 27, 2005
    Assignee: Pfizer Inc.
    Inventor: Richard L. Elliott
  • Patent number: 6949573
    Abstract: The invention relates to nicotinamide derivatives and to processes for the preparation of, intermediates used in the preparation of, compositions containing and the uses of, such derivatives. The nicotinamide derivatives according to the present invention are useful in numerous diseases, disorders and conditions, in particular inflammatory, allergic, respiratory diseases, disorders and conditions, as well as wounds.
    Type: Grant
    Filed: February 6, 2003
    Date of Patent: September 27, 2005
    Assignee: Pfizer Inc
    Inventors: Simon Bailey, Elisabeth C. L. Gautier, Alan J. Henderson, Thomas V. Magee, Anthony Marfat, John P. Mathias, Dale G. McLeod, Sandra M. Monaghan, Blanda L. C. Stammen
  • Patent number: 6946555
    Abstract: The invention provides a process for the preparation of a compound of the formula: or an acid addition or base salt thereof, wherein R is phenyl optionally substituted by 1 to 3 substituents each independently selected from halo and trifluoromethyl; R1 is C1-C6 alkyl; and “Het” is pyrimidinyl optionally substituted by 1 to 3 substituents each independently selected from C1-C4 alkyl, C1-C4 alkoxy, halo, oxo, benzyl and benzyloxy, comprising reaction of a compound of the formula: ?wherein R is as previously defined for a compound of the formula (I), with a compound of the formula: ?wherein R1 and “Het” are as previously defined for a compound of the formula (I) and X is chloro, bromo or iodo, in the presence of zinc, iodine and/or a Lewis acid and an aprotic organic solvent: said process being optionally followed by conversion of the compound of the formula (I) to an acid addition or base salt thereof.
    Type: Grant
    Filed: February 19, 2003
    Date of Patent: September 20, 2005
    Assignee: Pfizer Inc
    Inventors: Michael Butters, Alan John Pettman
  • Patent number: 6943183
    Abstract: The present invention provides novel 5-substituted tetralones of Formulas I, II, III, and IV and pharmaceutically acceptable salts, esters, amides, and prodrugs thereof, which are useful for treating and preventing uncontrolled or abnormal proliferation of tissues, such as cancer, atherosclerosis, restenosis, and psoriasis.
    Type: Grant
    Filed: April 16, 2001
    Date of Patent: September 13, 2005
    Assignee: Pfizer Inc
    Inventors: William Alexander Denny, Richard H. Hutchings, Douglas S. Johnson, James Stanley Kaltenbronn, Ho Huat Lee, Daniele Marie Leonard, Jared Bruce John Milbank, Joseph Thomas Repine, Gordon William Rewcastle, Andrew David White
  • Patent number: 6939867
    Abstract: Sulfamide compounds having formula (I) are described as well as their use in the treatment of diseases dependent on the signaling pathways associated with ?-adrenergic receptors, such as obesity, diabetes, hypertension, gastrointestinal hypo- or hyper-motility and cardiovascular diseases
    Type: Grant
    Filed: February 28, 2002
    Date of Patent: September 6, 2005
    Assignee: Pfizer Inc.
    Inventors: Robert L. Dow, Ernest S. Paight
  • Patent number: 6936612
    Abstract: The present invention provides substituted 2-aminopyridines useful in treating cell proliferative disorders.
    Type: Grant
    Filed: January 16, 2003
    Date of Patent: August 30, 2005
    Assignee: Warner-Lambert Company
    Inventors: Mark Barvian, Richard John Booth, John Quin, III, Joseph Thomas Repine, Derek J. Sheehan, Peter Laurence Toogood, Scott Norman Vanderwel, Hairong Zhou
  • Patent number: 6936600
    Abstract: This invention is directed to sorbitol dehydrogenase inhibitory compounds of the formula I, wherein R1, R2 and R3 are as defined in the specification. This invention is also directed to pharmaceutical compositions containing those compounds and methods of treating or preventing diabetic complications, particularly diabetic neuropathy, diabetic nephropathy, diabetic microangiopathy, diabetic macroangiopathy and diabetic cardiomyopathy by administering such compounds to a mammal suffering from diabetes and therefore at risk for developing such complications. This invention is also directed to pharmaceutical compositions comprising a combination of a compound of formula I of this invention with an aldose reductase inhibitor and to methods of treating or preventing diabetic complications therewith.
    Type: Grant
    Filed: August 12, 2004
    Date of Patent: August 30, 2005
    Assignee: Pfizer Inc
    Inventors: Margaret Y. Chu-Moyer, Banavara L. Mylari, William J. Zembrowski