Patents Represented by Attorney, Agent or Law Firm A. David Joran
  • Patent number: 6376490
    Abstract: The invention provides compounds of the formula (I) or a pharmaceutically acceptable salt thereof, wherein R is a 5-membered ring heteroaryl group containing 3 or 4 nitrogen heteroatoms which is linked to the quinoxalinedione ring by a ring carbon or nitrogen atom said group being optionally benzo-fused and optionally substituted, including in the benzo-fused portion, by 1 or 2 substituents each independently selected from C1-C4 alkyl, C2-C4 alkenyl, C3-C7 cycloalkyl, halo, hydroxy, C1-C4 alkoxy, C3-C7 cycloalkyloxy, —COOH, C1-C4 alkoxycarbonyl, —CONR3R4, —NR3R4, —S(O)p(C1-C4 alkyl), —SO2NR3R4, aryl, aryloxy, aryl(C1-C4)alkoxy, and het, said C1-C4alkyl being optionally substituted by C3-C7 cycloalkyl, halo, hydroxy, C1-C4 alkoxy, halo(C1C4)alkoxy, C3-C7 cycloalkyloxy, C3-C7 cycloalkyl (C1-C4) alkoxy, —COOH, C1-C4 alkoxycarbonyl, —CONR3R4, —NR3R4,—S(O)p(C1-C4 alkyl), —SO2(aryl), —SO2NR3R4 morpholino, aryl, aryloxy, aryl(C1-C4)
    Type: Grant
    Filed: September 4, 1998
    Date of Patent: April 23, 2002
    Assignee: Pfizer Inc
    Inventors: David John Bull, Christopher Lee Carr, Michael Jonathan Fray, Elisabeth Colette Louise Gautier, Charles Eric Mowbray, Alan Stobie
  • Patent number: 6376507
    Abstract: The present invention relates to a method of treating or preventing a disorder selected from stroke, epilepsy, head trauma, spinal cord trauma, ischemic neuronal damage such as cerebral ischemic damage from stroke or vascular occlusion (e.g., during open heart surgery), excitotoxic neuronal damage (e.g., in stroke or epilepsy) and amyotrophic lateral sclerosis in mammals, including humans, using an NK-1 antagonist. It also relates to a method of treating or preventing such disorders in mammals, including humans, using certain quinuclidine derivatives, piperidine derivatives, pyrrolidine derivatives, azanorbornane derivatives, ethylene diamine derivatives and related compounds that are substance P receptor antagonists.
    Type: Grant
    Filed: June 18, 1998
    Date of Patent: April 23, 2002
    Assignee: Pfizer Inc.
    Inventors: Robert B. Nelson, John A. Lowe, III
  • Patent number: 6306864
    Abstract: The present invention relates to novel atropisomers of 2-(aryl or heteroaryl)-3-aryl-4(3H)-quinazolinones of the formula I, and their pharmaceutically acceptable salts, and pharmaceutical compositions and methods of treating neurodegenerative and CNS-trauma related conditions.
    Type: Grant
    Filed: January 13, 2000
    Date of Patent: October 23, 2001
    Assignee: Pfizer Inc.
    Inventors: Willard McKowan Welch, Jr., Keith Michael DeVries
  • Patent number: 6284757
    Abstract: This invention relates to the use of compounds of formula I wherein R1, R2, R3, X, m and n are defined as in the specification, and their pharmaceutically acceptable salts, for the treatment of disorders of the serotonin system.
    Type: Grant
    Filed: August 11, 1999
    Date of Patent: September 4, 2001
    Assignee: Pfizer Inc.
    Inventor: Mark Allen Sanner
  • Patent number: 6262075
    Abstract: The present invention provides compounds of formula (I) and the pharmaceutically acceptable acid addition salts thereof, wherein X is a direct link or C1-C4 alkylene; and R is C3-C7 cycloalkyl optionally substituted by 1 or 2 substituents each independently selected from fluoro and C3-C7 cycloalkyl: with the proviso that X is not methylene when R is cyclopropyl, together with processes for the preparation of, intermediates used in the preparation of, compositions containing and uses of, such compounds. These compounds are useful as tachykinin antagonists.
    Type: Grant
    Filed: July 20, 1998
    Date of Patent: July 17, 2001
    Assignee: Pfizer Inc
    Inventors: Alexander Roderick MacKenzie, Allan Patrick Marchington, Donald Stuart Middleton, Sandra Dora Meadows
  • Patent number: 6245766
    Abstract: A method for treating a psychiatic condition or disorder selected from anxiety disorders such as panic disorder, posttraumatic stress disorder and phobias, psychotic episodes of anxiety, anxiety associated with psychosis, psychotic mood disorders such as severe major depressive disorder and mood disorders associated with psychotic disorders such as acute mania or depression associated with bipolar disorder, schizophrenia, behavioral manifestations of mental retardation, conduct disorder or autistic disorder, dementias such as dementias of the Alzheimer's type, and dyskinesias such as drug induced and neurodegeneration based dyskinesias in a mammal, including a human, comprising administering to said mammal a pharmaceutically effective amount of a compound of the formula or a pharmaceutically acceptable acid addition salt thereof, wherein n, X, Y and Ar are as defined above.
    Type: Grant
    Filed: December 18, 1998
    Date of Patent: June 12, 2001
    Assignee: Pfizer Inc
    Inventor: Eric J. Watsky
  • Patent number: 6204388
    Abstract: The present invention provides convergent processes for preparing epothilone A and B, desoxyepothilones A and B, and analogues thereof, useful in the treatment of cancer and cancer which has developed a multidrug-resistant phenotype. Also provided are intermediates useful for preparing said epothilones.
    Type: Grant
    Filed: February 24, 1999
    Date of Patent: March 20, 2001
    Assignee: Sloan-Kettering Institute For Cancer Research
    Inventors: Samuel J. Danishefsky, Peter Bertinato, Dai-Shi Su, DongFang Meng, Ting-Chao Chou, Ted Kamenecka, Erik J Sorensen, Aaron Balog, Kenneth A. Savin, Scott Kuduk, Christina Harris, Xiu-Guo Zhang, Joseph R. Bertino
  • Patent number: 6200979
    Abstract: Substituted pyrrazoles of the formula wherein R1, R2, R3, X, Y, Z and A are as defined herein with reference to formula I; pyrazoles and pyzazolopyrimidines of the formula wherein R1, R2, R3, R4 and A are defined herein with reference to formula VII; compounds of the formula wherein A, R3, R4 and R. are as defined herein with reference to formula VIII; and pyrrolopyzimidines of the formula wherein B1 R3, R4, R5 and R6 are as defined herein, with reference to formula IX, have corticotropin-releasing factor antagonist activity and as such are of use in the treatment of a variety of stress-related disorders.
    Type: Grant
    Filed: February 5, 1997
    Date of Patent: March 13, 2001
    Inventors: Gene M. Bright, Yuhpyng L. Chen, Willard M. Welch
  • Patent number: 6168942
    Abstract: The present invention is directed to a method of producing attenuated forms of bovine viral diarrhea (BVD) virus by mutating the Npro protease gene. The invention includes the attenuated viruses made by this method, antibodies generated using these viruses, and vaccines that can be used for immunizing cattle.
    Type: Grant
    Filed: November 4, 1999
    Date of Patent: January 2, 2001
    Assignee: Pfizer Inc.
    Inventors: Xuemei Cao, Michael G. Sheppard