Patents Assigned to Pfizer
  • Patent number: 6503905
    Abstract: The present invention relates to compounds of the formula I, wherein Z1, Z2, X, Q, R1, R2 and R3 are defined as in the specification, pharmaceutical compositions containing such compounds the use of such compounds to treat neurological and gastrointestinal disorders.
    Type: Grant
    Filed: August 6, 1999
    Date of Patent: January 7, 2003
    Assignee: Pfizer Inc
    Inventors: Spiros Liras, Martin P. Allen, Barbara E. Segelstein
  • Patent number: 6503908
    Abstract: There is provided compounds of formula I, wherein R1, R2, R3 and Het1 have meanings given in the description, which are useful in the curative and prophylactic treatment of medical conditions for which inhibition of a cyclic guanosine 3′,5′-monophosphate phosphodiesterase (e.g. cGMP PDE5) is desired.
    Type: Grant
    Filed: October 6, 2000
    Date of Patent: January 7, 2003
    Assignee: Pfizer Inc
    Inventor: Graham Nigel Maw
  • Patent number: 6503222
    Abstract: The present invention provides an apparatus for facilitating the oral delivery of an active agent to a patient in need of treatment therewith, which apparatus comprises an active agent mixing chamber, a mixture delivery tube, and at least one liquid delivery tube. A mixture formed in the mixing chamber which comprises a combination of an active agent, or a pharmaceutical formulation thereof, and a liquid diluent may be delivered into the oral cavity of the patient from the mixing chamber by suction on the mixture delivery tube.
    Type: Grant
    Filed: September 21, 2001
    Date of Patent: January 7, 2003
    Assignee: Pfizer Inc
    Inventor: Julian B. Lo
  • Publication number: 20030004339
    Abstract: The invention provides a process for the production of a compound of formula (A) or a pharmaceutically acceptable salt or solvate thereof: 1
    Type: Application
    Filed: May 13, 2002
    Publication date: January 2, 2003
    Applicant: Pfizer Inc.
    Inventors: Jens Bertil Ahman, Paul Blaise Hodgson, Sarah Jane Lewandowski, Robert Walton
  • Patent number: 6500662
    Abstract: The invention provides isolated polynucleotide molecules, including plasmids; viral vectors; and transfected host cells that comprise a DNA sequence encoding an infectious RNA sequence encoding a North American PRRS virus; and also North American PRRS viruses encoded thereby. The invention further provides isolated infectious RNA molecules encoding a North American PRRS virus. The invention also provides isolated polynucleotide molecules, infectious RNA molecules, viral vectors, and transfected host cells encoding genetically-modified North American PRRS viruses; and genetically-modified North American PRRS viruses encoded thereby. The invention also provides vaccines comprising such plasmids, RNA molecules, viral vectors, and North American PRRS viruses, and methods of using these vaccines in swine and in other animals. Also provided are isolated polynucleotide molecules, viral vectors, and transfected host cells that comprise a nucleotide sequence encoding a peptide of a North American PRRS virus.
    Type: Grant
    Filed: December 22, 1999
    Date of Patent: December 31, 2002
    Assignee: Pfizer Inc.
    Inventors: Jay G. Calvert, Michael G. Sheppard, Siao-Kun W. Welch
  • Patent number: 6500438
    Abstract: The invention relates to a method of vaccinating a domesticated bird against coccidiosis comprising administering in ovo an effective immunizing dose of live Eimeria sporozoites or merozoites, or a mixture thereof. In a preferred embodiment, the domesticated bird that is vaccinated is a chicken or turkey.
    Type: Grant
    Filed: December 1, 1997
    Date of Patent: December 31, 2002
    Assignee: Pfizer Incorporated
    Inventors: Nigel A. Evans, Robert Craig Findly, Frederick H. Weber
  • Publication number: 20020198375
    Abstract: The process of the present invention and the preparation of the compound of the present invention are illustrated in the following reaction schemes. Except where otherwise indicated, in the reaction schemes and discussion that follow, substituents R1, R2, R3, L, A1, A2 and X are as defined above unless otherwise described.
    Type: Application
    Filed: December 4, 2001
    Publication date: December 26, 2002
    Applicant: Pfizer Inc.
    Inventors: Juan C. Colberg, Maurizio Zenoni, Giovanni Fogliato, Alessandro Donadelli
  • Patent number: 6498172
    Abstract: This invention relates to prostaglandin agonists, methods of using such prostaglandin agonists, pharmaceutical compositions containing such prostaglandin agonists and kits containing such prostaglandin agonists. The prostaglandin agonists are useful for the treatment of bone disorders including osteoporosis.
    Type: Grant
    Filed: August 20, 1999
    Date of Patent: December 24, 2002
    Assignee: Pfizer Inc.
    Inventors: Kimberly O. Cameron, Bruce A. Lefker, Robert L. Rosati
  • Patent number: 6498255
    Abstract: Compounds of the formula wherein R1 R2, R7, R8, X, Y, M and L are defined as below. The compounds of formula I are cholinesterase inhibitors and are useful in enhancing memory in patients suffering from. dementia and Alzheimer's disease.
    Type: Grant
    Filed: September 19, 2001
    Date of Patent: December 24, 2002
    Assignee: Pfizer Inc.
    Inventors: Anabella Villalobos, Arthur A. Nagel, Yuhpyng L. Chen
  • Patent number: 6497899
    Abstract: Described are non-friable, rapidly disintegrating, fast-dissolving solid dosage forms that are produced from pharmaceutically acceptable steam extruded polymers. The solid dosage forms dissolve in the mouth and are particularly useful for subjects that require or desire oral medication but have difficulty swallowing standard oral dosage forms such as tablets or in subjects suffering from emesis. The solid dosage forms are also useful for rapid drug delivery as vaginal or rectal suppositories or for oral delivery of veterinary drugs.
    Type: Grant
    Filed: January 18, 2001
    Date of Patent: December 24, 2002
    Assignee: Pfizer, Inc.
    Inventors: Avinash G. Thombre, Larry S. Wigman
  • Patent number: 6498146
    Abstract: The invention relates to compounds of the formula 1, 2, and 3 and to pharmaceutically acceptable salts and prodrugs thereof, wherein the groups are as defined herein. The invention also relates to pharmaceutical compositions containing the compounds of formula I, methods of using said compounds of formula 1, 2, and 3 the treatment of infections, and methods of preparing said compounds of formula 1, 2, and 3.
    Type: Grant
    Filed: October 16, 2000
    Date of Patent: December 24, 2002
    Assignee: Pfizer Inc
    Inventor: Yong-Jin Wu
  • Patent number: 6497869
    Abstract: The invention relates to stable aqueous compositions of granulocyte colony stimulating factor that have a pH in the range of pH 5 to pH 8 and comprise a salt comprising sulfate ions, and to uses thereof.
    Type: Grant
    Filed: February 22, 2001
    Date of Patent: December 24, 2002
    Assignee: Pfizer Inc.
    Inventors: Kathleen Brimelow Williams, Josephine Nanette Hay
  • Publication number: 20020193612
    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: 1
    Type: Application
    Filed: January 31, 2002
    Publication date: December 19, 2002
    Applicant: Pfizer Inc.
    Inventors: Robert J. Chambers, Anthony Marfat, Thomas V. Magee
  • Patent number: 6495589
    Abstract: Compounds according formula (I) A—G—Z—W and pharmaceutically acceptable salts, solvates or hydrates thereof; wherein, A is (C6-C10)aryl, (C6-C10)aryl-SO2, (C6-C10)aryl-CH2—, (C6-C10)arylcarbonyl, (C1-C9)heteroaryl, (C1-C9)heteroaryl-SO2—, (C1-C9)heteroaryl-CH2—; or (C1-C9)heteroarylcarbonyl; G is selected from the group consisting of:  where B is (C6-C10)aryl or (C1-C9)heteroaryl, and X is CH2, SO2, or carbonyl;  where X is CH2, SO2, or carbonyl; and R1 and R1′ are each independently selected from H, CN, (C1-C8)alkyl-, and phenyl(CH2)—, wherein said alkyl and phenyl groups are optionally substituted; and  where Z and W are as defined in the present Specificiation; and pharmaceutical compositions and methods useful to increase secretion of growth hormone(GH) from the anterior pituitary of mammals, including on a sustained release basis.
    Type: Grant
    Filed: December 12, 2000
    Date of Patent: December 17, 2002
    Assignee: Pfizer Inc.
    Inventors: Bruce A. Hay, Bridget M. Cole, Anthony P. Ricketts
  • Patent number: 6495564
    Abstract: The present invention relates to compounds of formula 1 and to pharmaceutically acceptable salts, prodrugs and solvates thereof, wherein R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, and R11 are as defined herein. The above compounds of formula 1 are useful in the treatment of hyperproliferative disorders, such as cancer, in mammals. The invention also relates to pharmaceutical compositions containing the compounds of formula 1 and to methods of inhibiting abnormal cell growth, including cancer, in a mammal by administering the compounds of formula 1 to a mammal requiring such treatment.
    Type: Grant
    Filed: August 26, 1999
    Date of Patent: December 17, 2002
    Assignee: Pfizer Inc.
    Inventors: Joseph P. Lyssikatos, Susan D. La Greca, Bingwei V. Yang
  • Patent number: 6495146
    Abstract: The invention relates to a method of vaccinating a domesticated bird against coccidiosis comprising administering in ovo an effective immunizing dose of live Eimeria sporocysts or oocysts, or a mixture thereof.
    Type: Grant
    Filed: December 1, 1997
    Date of Patent: December 17, 2002
    Assignee: Pfizer Incorporated
    Inventors: Nigel A. Evans, Robert Craig Findly, Frederick H. Weber
  • Patent number: 6495549
    Abstract: Compounds of formula (I), their salts and solvates, wherein the substituents are as described herein, are FKBP inhibitors.
    Type: Grant
    Filed: October 30, 2000
    Date of Patent: December 17, 2002
    Assignee: Pfizer Inc
    Inventors: Martin J. Wythes, Michael J. Palmer, Mark I. Kemp, Malcolm C. MacKenny, Robert J. Maguire, James F. Blake, Jr.
  • Publication number: 20020188138
    Abstract: The present invention is concerned with the acylation of indoles, specifically the preparation of 3-acylated indoles which may be further treated to provide indoles having an alternative substituent at the 3-position.
    Type: Application
    Filed: July 17, 2002
    Publication date: December 12, 2002
    Applicant: Pfizer Inc.
    Inventor: Jolyon Francis Perkins
  • Patent number: 6492383
    Abstract: The invention relates to compounds of the formulas 1 and 2 and to pharmaceutically acceptable salts and hydrates thereof, wherein X1, R1, R2 and R11 are as defined herein. The invention also relates to pharmaceutical compositions containing the compounds of formulas 1 and 2 and to methods of treating hyperproliferative disorders in a mammal by administering the compounds of formulas 1 and 2.
    Type: Grant
    Filed: February 10, 2000
    Date of Patent: December 10, 2002
    Assignee: Pfizer Inc.
    Inventors: Michael John Munchhof, Susan Beth Sobolov-Jaynes, Matthew Arnold Marx
  • Patent number: 6492412
    Abstract: Prostaglandin agonists, methods of using such prostaglandin agonists, pharmaceutical compositions containing such prostaglandin agonists and kits containing such prostaglandin agonists. The prostaglandin agonists are useful for the treatment of bone disorders including osteoporosis.
    Type: Grant
    Filed: June 29, 2001
    Date of Patent: December 10, 2002
    Assignee: Pfizer, Inc.
    Inventors: Kimberly O. Cameron, Hua Z. Ke, Bruce A. Lefker, Robert L. Rosati, David D. Thompson