Patents Represented by Attorney Peter C. Richardson
  • Patent number: 6753332
    Abstract: The present invention relates to compounds of the formula wherein R1, R3, R5 and A are defined as in the specification, to pharmaceutical compositions containing them and to their medicinal use. The compounds of the invention are useful in the treatment of inflammation and other inflammation associated disorders, such as osteoarthritis, rheumatoid arthritis, colon cancer and Alzheimer's disease, in mammals (preferably humans, dogs, cats and livestock).
    Type: Grant
    Filed: July 3, 2002
    Date of Patent: June 22, 2004
    Assignee: Pfizer, Inc.
    Inventors: Subas M. Sakya, Andrei Shavnya, Bryson Rast
  • Patent number: 6753322
    Abstract: The present invention relates to compounds of the formula: and pharmaceutically acceptable salts and solvates thereof, and to processes for the preparation of, intermediates used in the preparation of, compositions containing and the uses of, such compounds.
    Type: Grant
    Filed: June 5, 2001
    Date of Patent: June 22, 2004
    Assignee: Pfizer Inc
    Inventors: Simon John Mantell, Peter Thomas Stephenson
  • Patent number: 6750230
    Abstract: This invention relates to the use of pyrazole derivatives of the formula and pharmaceutically acceptable salts and solvates thereof, in the manufacture of a reverse transcriptase inhibitor or modulator, to certain novel such pyrazole derivatives and to processes for the preparation of and compositions containing such novel derivatives.
    Type: Grant
    Filed: July 5, 2001
    Date of Patent: June 15, 2004
    Assignee: Pfizer, Inc.
    Inventors: Romuald Gaston Corbau, Charles Eric Mowbray, Manoussos Perros, Paul Anthony Stupple, Anthony Wood
  • Patent number: 6750231
    Abstract: There is provided a compound of formula I, wherein Het1, R1, R2, R3, X and n have meanings given in the description, which are useful in the prophylaxis and in the treatment of diseases mediated by opiate receptors, such as pruritus.
    Type: Grant
    Filed: March 19, 2002
    Date of Patent: June 15, 2004
    Assignee: Pfizer Inc
    Inventors: Stephen Paul Gibson, Ivan Tommasini, Kimberley Verrier, Christopher James Dutton, David Morris Gethin, Douglas James Critcher, Richard Edward Armer
  • Patent number: 6750217
    Abstract: Benzenesulfonamides of formula (I), in which W is OR1, NR2OR1, NRARB, NR2NRARB, or NR2(CH2)2-4NRARB and the other variables as defined in the claims, are inhibitors of MEK and are effective in the treatment of proliferative diseases, cancer, stroke, heart failure, xenograft rejection, arthritis, cystic fibrosis, hepatomegaly, cardiomegaly, Alzheimer's disease, complications of diabetes, septic shock, and viral infection.
    Type: Grant
    Filed: July 18, 2002
    Date of Patent: June 15, 2004
    Assignee: Warner-Lambert Company
    Inventors: Stephen Douglas Barrett, Haile Tecle, Richard John Booth
  • Patent number: 6746856
    Abstract: The present invention relates to processes for the microbial oxidation of bicyclic heteroaromatic compounds which comprise contacting these compounds with a microorganism, or a suitable mutant thereof, and incubating the resulting mixture under conditions sufficient to yield an amount of their respective carboxylic acids. The present processes optionally further comprise the isolation and purification of the product carboxylic acids.
    Type: Grant
    Filed: August 8, 2001
    Date of Patent: June 8, 2004
    Assignee: Pfizer Inc.
    Inventors: James J. Cawley, John W. Wong
  • Patent number: 6747035
    Abstract: The invention relates to compounds of formula (I), in which R1, R2 and R3 are as defined in the description, their use as medicaments, the process for their preparation and their use for the treatment of pathologies in which therapy by a PDE4 inhibitor is relevant.
    Type: Grant
    Filed: August 2, 2002
    Date of Patent: June 8, 2004
    Assignee: Warner-Lambert LLC
    Inventors: Bernard Guadillière, Remi Lavalette
  • Patent number: 6747054
    Abstract: This invention is directed to EP4 receptor selective prostaglandin agonists of the Formula I, wherein R2, X, Z and Q are as defined in the specification. This invention is also directed to pharmaceutical compositions containing those compounds. This invention is also directed to methods of treating conditions which present with low bone mass, particularly osteoporosis, frailty, an osteoporotic fracture, a bone defect, childhood idiopathic bone loss, alveolar bone loss, mandibular bone loss, bone fracture, osteotomy, bone loss associated with periodontitis, or prosthetic ingrowth in a mammal comprising administering those compounds.
    Type: Grant
    Filed: December 20, 2002
    Date of Patent: June 8, 2004
    Assignee: Pfizer Inc.
    Inventors: Kimberly O. Cameron, Bruce A. Lefker
  • Patent number: 6740655
    Abstract: This invention is directed to compounds of the formula: wherein j is 0 or 1; k is 0 or 1; m is 0 or 1; n is 0 or 1; W is —O—; —S(═O)t—, where t is 0, 1, or 2; or —N(R3)—; where R3 is —H, —(C1-C3) alkyl, —OR12, phenyl, or benzyl; RC and RD have the same meaning as RA and RB, except that at least one of RC and RD must be —H; and the other variables are defined as set forth in the specification. The invention is also directed to pharmaceutical compositions comprising the above compounds and to methods of treating a subject suffering from a disease, disorder or condition mediated by the PDE4 isozyme, the method comprising administering a therapeutically effective amount of a compound as described above.
    Type: Grant
    Filed: July 24, 2002
    Date of Patent: May 25, 2004
    Assignee: Pfizer Inc
    Inventors: Thomas Victor Magee, Anthony Marfat, Robert James Chambers
  • Patent number: 6737430
    Abstract: The present invention relates to a mutual prodrug of amlodipine and atorvastatin, pharmaceutically acceptable acid addition salts thereof, pharmaceutical compositions thereof and the use of said prodrug and its salts in the manufacture of medicaments for the treatment of atherosclerosis, angina pectoris, combined hypertension and hyperlipidaemia and the management of cardiac risk.
    Type: Grant
    Filed: October 31, 2001
    Date of Patent: May 18, 2004
    Assignee: Pfizer, Inc.
    Inventors: Robert James Crook, Alan John Pettman
  • Patent number: 6737410
    Abstract: The present invention provides compounds having the structure represented by Formula I: and methods of treating cancer, restenosis, atherosclerosis, or psoriasis or preventing restenosis, and a pharmaceutical composition comprising a compound of Formula I and a pharmaceutically acceptable carrier.
    Type: Grant
    Filed: October 4, 2000
    Date of Patent: May 18, 2004
    Assignee: Warner-Lambert Company
    Inventors: Annette Marian Doherty, Daniele Marie Leonard, Dennis Joseph McNamara, Kevon Ray Shuler
  • Patent number: 6737437
    Abstract: This invention is directed to methods of treating conditions which present with low bone mass, particularly osteoporosis, frailty, an osteoporotic fracture, a bone defect, childhood idiopathic bone loss, alveolar bone loss, mandibular bone loss, bone fracture, osteotomy, bone loss associated with periodontitis, or prosthetic ingrowth comprising administering prostaglandin agonists which are EP4 receptor selective prostaglandin agonists. This invention is especially directed to those methods wherein the EP4 receptor selective agonist is a compound of Formula I: wherein the variables are as defined in the specification.
    Type: Grant
    Filed: December 15, 2000
    Date of Patent: May 18, 2004
    Assignee: Pfizer Inc.
    Inventors: Kimberly O. Cameron, HuaZhu Ke, Bruce A. Lefker, David D. Thompson
  • Patent number: 6734303
    Abstract: The invention provides a process for the production of a compound of formula (A) or a pharmaceutically acceptable salt or solvate thereof: which comprises condensing a compound of formula (B) with a compound of formula (C): Compounds of formula (A) are useful in the treatment of benign prostatic hyperplasia.
    Type: Grant
    Filed: May 13, 2002
    Date of Patent: May 11, 2004
    Assignee: Pfizer Inc.
    Inventors: Jens Bertil Ahman, Paul Blaise Hodgson, Sarah Jane Lewandowski, Robert Walton
  • Patent number: 6734175
    Abstract: The present invention provides a method of treating obesity, sexual dysfunction (including erectile dysfunction), diabetes, insulin resistance, hyperinsulinemia, Syndrome X, adrenal dysfunction, hypertension, hypercholesterolemia, atherosclerosis, hyperlipoproteinemia, hypertriglyceridemia, or substance abuse, the method comprising the step of administering to a patent having or at risk of having one of the above-mentioned diseases a therapeutically effective amount of a compound that attenuates the binding of agouti-related protein to melanocortin receptors, but does not attenuate the binding of &agr;-melanocyte stimulating hormone to melanocortin receptors.
    Type: Grant
    Filed: July 24, 2002
    Date of Patent: May 11, 2004
    Assignee: Pfizer Inc.
    Inventors: John R. Hadcock, Andrew G. Swick
  • Patent number: 6734186
    Abstract: A method of treating a female suffering from FSD, in particular FSAD, is described. The method comprises delivering to the female an agent that is capable of potentiating cAMP in the sexual genitalia; wherein the agent is in an amount to cause potentiation of cAMP in the sexual genitalia of the female. The agent may be admixed with a pharmaceutically acceptable carrier, diluent or excipient.
    Type: Grant
    Filed: November 8, 2000
    Date of Patent: May 11, 2004
    Assignee: Pfizer Inc.
    Inventors: Graham Nigel Maw, Christopher Peter Wayman
  • Patent number: 6730786
    Abstract: There is provided a process for the production a compound of general formula I: wherein A, R1, R2, R3 and R4 have meanings given in the description, which process comprises the dehydrogenation of a compound of general formula II,
    Type: Grant
    Filed: June 21, 2001
    Date of Patent: May 4, 2004
    Assignee: Pfizer Inc
    Inventors: Mark Edward Bunnage, Philip Charles Levett, Nicholas Murray Thomson
  • Patent number: 6730674
    Abstract: This invention relates to novel sulfonyl pyridazinone compounds of the formula: wherein R1, R2, X, and Y are defined herein, which are useful as aldose reductase inhibitors in the treatment or prevention of certain complications arising from diabetes mellitus, pharmaceutical compositions comprising the sulfonyl pyridazinone, pharmaceutical compositions comprising a combination of the sulfonyl pyridazinone together with a second pharmaceutical agent, therapeutic methods comprising the administration of the sulfonyl pyridazinone compounds, therapeutic methods comprising the administration of the sulfonyl pyridazinone compounds in combination with a second pharmaceutical agent and compounds useful as intermediates for preparing the sulfonyl pyridazinone compounds of this invention.
    Type: Grant
    Filed: February 26, 2002
    Date of Patent: May 4, 2004
    Assignee: Pfizer Inc
    Inventors: William H. Martin, Banavara L. Mylari
  • Patent number: 6727352
    Abstract: This invention relates to methods of preparing a compound of Formulae 2, 5 and 7, wherein R2-R5, R7, R9, R10 and R15 are defined herein.
    Type: Grant
    Filed: August 23, 2002
    Date of Patent: April 27, 2004
    Assignee: Pfizer, Inc.
    Inventors: Hengmiao Cheng, Chao Li
  • Patent number: 6727238
    Abstract: This invention provides a compound of the formula: or its pharmaceutically acceptable salt thereof, wherein A is partially unsaturated or unsaturated five membered heterocyclic, or partially unsaturated or unsaturated five membered carbocyclic, wherein the 4-(sulfonyl)phenyl and the 4-substituted phenyl in the formula (I) are attached to ring atoms of Ring A, which are adjacent to each other; R1 is optionally substituted aryl or heteroaryl, with the proviso that when A is pyrazole, R1 is heteroaryl; R2 is C1-4 alkyl, halo-substituted C1-4 alkyl, C1-4 alkylamino, C1-4 dialkylamino or amino; R3, R4 and R5 are independently hydrogen, halo,, C1-4 alkyl, halo-substituted C1-4 alkyl or the like; or two of R3, R4 and R5 are taken together with atoms to which they are attached and form a 4-7 membered ring; R6 and R7 are independently hydrogen, halo, C1-4 alkyl, halo-substituted C1-4 alkyl, C1-4 alkoxy, C1-4 alkylthio, C1-4 alkylamino or N,N-di C1-4 alkylamino; and m and n are independently 1, 2, 3 o
    Type: Grant
    Filed: June 18, 2003
    Date of Patent: April 27, 2004
    Assignee: Pfizer Inc.
    Inventors: Kazuo Ando, Tomoki Kato, Akiyoshi Kawai, Tomomi Nonomura
  • Patent number: RE38524
    Abstract: This invention is directed to compounds of the formula and the pharmaceutically-acceptable salts thereof, where the substituents are as defined in the Specification, which are growth hormone secretogogues and which increase the level of endogenous growth hormone. The compounds of this invention are useful for the treatment and prevention of osteoporosis and/or frailty, congestive heart failure, frailty associated with aging, obesity; accelerating bone fracture repair, attenuating protein catabolic response after a major operation, reducing cachexia and protein loss due to chronic illness, accelerating wound healing, or accelerating the recovery of burn patients or patients having undergone major surgery; improving muscle strength, mobility, maintenance of skin thickness, metabolic homeostasis or renal homeostasis.
    Type: Grant
    Filed: October 15, 2002
    Date of Patent: June 1, 2004
    Assignee: Pfizer Inc.
    Inventors: Philip Albert Carpino, David Andrew Griffith, Bruce Allen Lefker