Patents Represented by Attorney, Agent or Law Firm A. David Joran
  • Patent number: 8309716
    Abstract: This invention relates to methods and intermediates useful for the synthesis of pyrrolo[2,3-d]pyrimidine compounds. Specifically novel synthetic methods and intermediates for the synthesis of 3-{(3R,4R)-4-methyl-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-amino}-piperidin-1-yl)-3-oxo-propionitrile and its corresponding citrate salt are disclosed.
    Type: Grant
    Filed: June 20, 2012
    Date of Patent: November 13, 2012
    Assignee: Pfizer Inc.
    Inventors: Sally Gut Ruggeri, Joel M Hawkins, Teresa M Makowski, Jennifer L Rutherford, Frank J Urban
  • Patent number: 8232394
    Abstract: This invention relates to methods and intermediates useful for the synthesis of pyrrolo[2,3-d]pyrimidine compounds. Specifically novel synthetic methods and intermediates for the synthesis of 3-{(3R,4R)-4-methyl-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-amino}-piperidin-1-yl)-3-oxo-propionitrile and its corresponding citrate salt are disclosed.
    Type: Grant
    Filed: July 17, 2006
    Date of Patent: July 31, 2012
    Assignee: Pfizer Inc.
    Inventors: Sally Gut Ruggeri, Joel M. Hawkins, Teresa M. Makowski, Jennifer L. Rutherford, Frank J. Urban
  • Patent number: 8222273
    Abstract: The present invention relates to a polymorphic form B of ?/-[3-tert-butyl-1-(3-chloro-4-hydroxyphenyl)-1H-pyrazol-5-yl]-N-{2-[(3-{2-[(2-hydroxyethyl)sulfanyl]phenyl}[1,2,4]triazolo[4,3-a]pyridin-6-yl)sulfanyl]benzyl}urea (I) as de-fined herein. This polymorph is useful in the treatment of various conditions, particularly in the treatment of inflammatory conditions such as chronic obstructive pulmonary disease.
    Type: Grant
    Filed: January 28, 2009
    Date of Patent: July 17, 2012
    Assignee: Pfizer Limited
    Inventor: Kenneth John Butcher
  • Patent number: 8076356
    Abstract: A compound of formula (I), or a pharmaceutical acceptable salt and/or solvate (including hydrate) thereof; and the use of a compound of formula (I) in the treatment of a TNF-mediated disease, disorder, or condition, or a p38-mediated disease, disorder, or condition, in particular the allergic and non-allergic airways diseases, more particularly obstructive or inflammatory airways diseases, preferably chronic obstructive pulmonary disease.
    Type: Grant
    Filed: February 16, 2009
    Date of Patent: December 13, 2011
    Assignee: Pfizer Inc.
    Inventors: John Paul Mathias, David Simon Millan, Russell Andrew Lewthwaite, Christopher Phillips
  • Patent number: 7897733
    Abstract: Provided are rapamycin conjugates which are useful as immunogenic molecules for the generation of antibodies specific for rapamycin, for measuring levels of rapamycin or derivatives thereof; for isolating rapamycin binding proteins; and detecting antibodies specific for rapamycin or derivatives thereof. This invention also provides a rapamycin specific monoclonal antibody.
    Type: Grant
    Filed: November 14, 2005
    Date of Patent: March 1, 2011
    Assignee: Pfizer, Inc.
    Inventors: Katherine L. Molnar-Kimber, Craig E. Caufield, Timothy D. Ocain
  • Patent number: 7786097
    Abstract: The present invention is directed to compounds of Formula I: or salt thereof, which are modulators of the glucocorticoid receptor. The compounds and salts of the invention are useful in the treatment of conditions mediated by glucocorticoid receptor activity.
    Type: Grant
    Filed: July 21, 2009
    Date of Patent: August 31, 2010
    Assignee: Pfizer Inc.
    Inventors: Hengmiao (Henry) Cheng, Rajesh Devraj, Gary A Decresenzo, Xiao Hu, Kevin D. Jerome, Mark Obukowicz, Lisa Olson, Paul V. Rucker, Ronald Keith Webber
  • Patent number: 7767850
    Abstract: A novel mixed salt of S-[2-[(1-Iminoethyl)amino]ethyl]-2-methyl-L-cysteine is disclosed. The novel mixed salt, S-[2-[(1-Iminoethyl)amino]ethyl]-2-methyl-L-cysteine maleate hydrochloride, may be produced to form crystals that may be arranged as generally orderly packed agglomerates, which are particularly useful in making pharmaceutical compositions. Such pharmaceutical compositions are also described, as well as methods to make crystalline S-[2-[(1-Iminoethyl)amino]ethyl]-2-methyl-L-cysteine maleate hydrochloride, and methods of treating conditions characterized by an overexpression on nitric oxide from the inducible isoform of nitric oxide synthase using the S-[2-[(1-Iminoethyl)amino]ethyl]-2-methyl-L-cysteine maleate hydrochloride.
    Type: Grant
    Filed: December 5, 2008
    Date of Patent: August 3, 2010
    Assignee: Pfizer Inc.
    Inventors: Lyle Brostrom, Ann Czyzewski, Vahid Zia, Ahmad Sheikh
  • Patent number: 6924289
    Abstract: The present invention relates to lactam derivatives of the formula wherein R1, R2, R3, A, X, Z, n and the dashed line are defined herein, and pharmaceutical compositions thereof, to processes and intermediates for their preparation, and to their medicinal use as selective agonists and antagonists of serotonin 1 (5-HT1) receptors, specifically, of one or both of the 5-HT1A and 5-HT1D receptors. These compounds are useful in treating or preventing migraine, depression and other disorders for which a 5-HT1 agonist or antagonist is indicated.
    Type: Grant
    Filed: August 15, 2002
    Date of Patent: August 2, 2005
    Assignee: Pfizer Inc
    Inventor: Harry R. Howard
  • Patent number: 6825193
    Abstract: The present invention is directed to a polymorph of the citrate salt of 4-(3,4-dichlorophenyl)-2-[2-(4-methylpiperazin-1-yl)-benzylidene]-thiomorpholin-3-one: and pharmaceutical compositions thereof.
    Type: Grant
    Filed: December 6, 2002
    Date of Patent: November 30, 2004
    Assignee: Pfizer Inc.
    Inventors: George J. Quallich, Lewin T. Wint
  • Patent number: 6727283
    Abstract: The present invention provides an essentially nonaqueous, liquid pharmaceutical concentrate composition for oral administration containing sertraline or a pharmaceutically acceptable salt thereof and one or more pharmaceutically acceptable excipients. The present invention also provides a use of this concentrate composition to prepare an aqueous solution of sertraline. In addition, the present invention provides a method of using this concentrate composition to treat or prevent a variety of diseases or conditions. Finally, the present invention provides the compound, (1S-cis)-4-(3,4-dichlorophenyl)-1,2,3,4-tetrahydro-N-methyl-1-naphthalenamine methanesulfonate.
    Type: Grant
    Filed: October 11, 1999
    Date of Patent: April 27, 2004
    Assignee: Pfizer Inc.
    Inventors: Nancy J. Harper, Gautam R. Ranade, Willard M. Welch
  • Patent number: 6706702
    Abstract: The present invention relates to compounds of formula (I) and their pharmaceutically acceptable salts, wherein R1, R2, R3 and Z are as defined herein, intermediates in the synthesis of such compounds, pharmaceutical compositions containing such compounds and methods of using such compounds in the treatment of neurological and psychological disorders.
    Type: Grant
    Filed: August 13, 2002
    Date of Patent: March 16, 2004
    Assignee: Pfizer Inc.
    Inventor: Jotham Wadsworth Coe
  • Patent number: 6624313
    Abstract: A process of preparing compounds having the formula I: or an optical isomer or racemic or optically active mixture thereof, which are useful as selective kappa-receptor agonists.
    Type: Grant
    Filed: April 26, 2002
    Date of Patent: September 23, 2003
    Assignee: Warner-Lambert Company LLC
    Inventors: Keith M. DeVries, Michel A. Couturier, Brian M. Andresen, John L. Tucker, Fumitaka Ito
  • Patent number: 6593496
    Abstract: This invention relates to a novel improved process for preparing the (+) enantiomer of N-[4(3,4-dichlorophenyl)-3,4-dihydro-1(2H)-naphthalenylidene]methanamine by reacting the (+) enantiomer of 4-(3,4-dichlorophenyl)-3,4-dihydro-1(2H)-naphthalenone with monomethylamine and titanium chloride or molecular sieves.
    Type: Grant
    Filed: May 30, 2000
    Date of Patent: July 15, 2003
    Assignee: Pfizer Inc
    Inventor: George H. Quallich
  • Patent number: 6531468
    Abstract: The present invention provides diazabicyclooctane derivatives of formula (I): and pharmaceutically acceptable salts thereof, wherein the group represents R1 and R2 are selected independently from H, (C1-C6)alkyl, (C1-C6)fluoroalkyl, halogen (e.g., F.
    Type: Grant
    Filed: August 1, 2001
    Date of Patent: March 11, 2003
    Assignee: Pfizer Inc
    Inventors: Anton Franz Joseph Fliri, Randall James Gallaschun
  • Patent number: 6410032
    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 the method, antibodies generated using these viruses, and vaccines that can be used for immunizing cattle.
    Type: Grant
    Filed: October 31, 2000
    Date of Patent: June 25, 2002
    Assignee: Pfizer Inc
    Inventors: Xuemei Cao, Michael G. Sheppard
  • Patent number: 6387941
    Abstract: Compounds of the formula where W is n is 0, 1, or 2; m is 0, 1, 2, or 3: Y and G are each independently oxygen or sulfur; Z is —O—, —S—, —NH, or —CH2; R1 is hydrogen, C1 to C8 alkyl, substituted C1 to C8 alkyl substituted with one hydroxy, C3 to C8 alkenyl, C3 to C8 alkynyl, aryl, C1 to C3 alkylaryl, C1 to C3 alkylheteroaryl, or —Q—R4; R2 and R2 are each independently hydrogen, C1 to C6 alkyl, aryl, C1 to C3 alkylaryl, or C1 to C3 alkylheteroaryl; R4 is cyano, trifluoromethyl, —COR9, —CO2R9, —CONR9R10, —OR9, —SO2NR(R10, or —S(O)4R8; R9 and R10 are each independently hydrogen, C1 to C8 alkyl, C1 to C3 alkylaryl, aryl, or R9 and R10 may together be taken to form a three- to seven-membered alkyl ring or a three- to seven-membered heteroalkyl ring having 1 heteroatom of O; Q is C1 C3 alkyl; R11 is hydrogen, —Or12, or —NHCOR12; R12 is hydrogen, C1 to C6 alkyl, aryl, or C1 to C3 alkyl-
    Type: Grant
    Filed: October 23, 2000
    Date of Patent: May 14, 2002
    Assignee: Pfizer Inc.
    Inventors: John Eugene Macor, Martin James Wythes
  • Patent number: 6387937
    Abstract: Compounds of the formula where W is n is 0, 1, or 2; m is 0, 1, 2, or 3: Y and G are each independently oxygen or sulfur; Z is —O—, —S—, —NH, or —CH2; R1 is hydrogen, C1 to C8 alkyl, substituted C1 to C8 alkyl substituted with one hydroxy, C3 to C8 ; alkenyl, C3 to C8 alkynyl, aryl, C1 to C3 alkylaryl, C1 to C3 alkylheteroaryl, or —Q—R4; R2 and R3 are each independently hydrogen, Cl1 to C8 alkyl, aryl, C1 to C3 alkylaryl, or C1 to C3 alkylheteroaryl; R4 is cyano, trifluoromethyl, —COR8, —CO2R9, —CONR9R10, —OR8, —SO2NR8R10, or —S(O)4R9; R9 and R10 are each independently hydrogen, C1 to C8 alkyl, C1 to C3 alkylaryl, aryl, or R9 and R10 may together be taken to form a three- to seven-membered alkyl ring or a three- to seven-membered heteroalkyl ring having 1 heteroatom of O; Q is C1 to C3 alkyl; R11 is hydrogen, —OR12, or —NHCOR12; R12 is hydrogen, C1 to C4 alkyl, aryl, or C1 to C3
    Type: Grant
    Filed: October 23, 2000
    Date of Patent: May 14, 2002
    Assignee: Pfizer Inc.
    Inventors: John Eugene Macor, Martin James Wythes
  • Patent number: 6380204
    Abstract: The present invention relates to novel atropisomers of 3-heteroaryl-4(3H)-quinazolinones of the formula Ia, 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: April 30, 2002
    Assignee: Pfizer INC
    Inventors: Bertrand Leo Chenard, Keith Michael Devries, Willard McKowan Welch, Jr.
  • Patent number: 6380226
    Abstract: A crystalline, &bgr;-polymorphic form of a compound of formula (I):
    Type: Grant
    Filed: June 15, 2000
    Date of Patent: April 30, 2002
    Assignee: Pfizer Inc
    Inventors: Valerie Denise Harding, Ross James Macrae, Ronald James Ogilvie
  • Patent number: 6380233
    Abstract: Compounds of the formula where W is n is 0, 1, or 2; m is 0, 1, 2, or 3: Y and G are each independently oxygen or sulfur; Z is —O—, —S—, —NH, or —CH2; R1 is hydrogen, C1 to C8 alkyl, substituted C1 to C8 alkyl substituted with one hydroxy, C3 to C8 alkenyl, C3 to C8 alkynyl, aryl, C1 to C3 alkylaryl, C1 to C3 alkylheteroaryl, or —Q—R4; R2 and R3 are each independently hydrogen, C1 to C6 alkyl, aryl, C1 to C3 alkylaryl, or C1 to C3 alkylheteroaryl; R4 is cyano, trifluoromethyl, —COR8, —CO2R8, —CONR8R10, —OR9, —SO2NR9R10, or —S(O)4R8; R8 and R10 are each independently hydrogen, C1 to C8 alkyl, C1 to C3 alkylaryl, aryl, or R9 and R10 may together be taken to form a three- to seven-membered alkyl ring or a three- to seven-membered heteroalkyl ring having 1 heteroatom of O; Q is C1 to C3 alkyl; R11 is hydrogen, —OR12, or —NHCOR12; R12 is hydrogen, C1 to C6 alkyl, aryl, or C1 to C3 alk
    Type: Grant
    Filed: October 23, 2000
    Date of Patent: April 30, 2002
    Assignee: Pfizer Inc
    Inventors: John Eugene Macor, Martin James Wythes