Patents Represented by Attorney Peter C. Richardson
  • Patent number: 6632673
    Abstract: The present invention relates to polynucleotide molecules comprising nucleotide sequences encoding an aveC gene product, which polynucleotide molecules can be used to alter the ratio or amount of class 2:1 avermectins produced in fermentation cultures of S. avermitilis. The present invention further relates to vectors, host cells, and mutant strains of S. avermitilis in which the aveC gene has been inactivated, or mutated so as to change the ratio or amount of class 2:1 avermectins produced.
    Type: Grant
    Filed: August 10, 2000
    Date of Patent: October 14, 2003
    Assignee: Pfizer, Inc.
    Inventors: Kim J. Stutzman-Engwall, Yan Chen, Claes Gustafsson, Anke Krebber, Jeremy Minshull, Sun Ai Raillard
  • Patent number: 6632834
    Abstract: This invention relates to methods, pharmaceutical compositions and kits useful in treating conditions responsive to estrogen by the administration of estrogen agonists/antagonists. Conditions responsive to the compositions and methods include rheumatoid arthritis, colon cancer, tissue wounds, skin wrinkles and cataracts. The compositions are comprised of an estrogen agonist/antagonist and a pharmaceutically acceptable vehicle, carrier or diluent. The compositions and methods of treatment are effective while substantially reducing the concomitant liability of adverse effects associated with estrogen administration.
    Type: Grant
    Filed: January 11, 2001
    Date of Patent: October 14, 2003
    Assignee: Pfizer Inc.
    Inventors: David D. Thompson, Andrew G. Lee, Wesley W. Day, Robert L. Rosati
  • Patent number: 6632803
    Abstract: The invention provides pharmaceutical formulation comprising voriconazole, or a pharmaceutically acceptable derivative thereof, and a sulfobutylether &bgr;-cyclodextrin.
    Type: Grant
    Filed: September 29, 1999
    Date of Patent: October 14, 2003
    Assignee: Pfizer Inc
    Inventor: Valerie Denise Harding
  • Patent number: 6630472
    Abstract: Compounds that inhibit the peptidyl-prolyl isomerase (rotamase) enzyme activity of the FK-506 binding protein (FKBP) and compositions comprising these compounds are described. The FKBP-inhibiting compounds have a bicyclic [3.3.1], [4.3.1] or polycyclic azaamide nucleus. Pharmaceutical compositions containing such compounds help stimulate the outgrowth of neurites in nerve cells and augmenting nerve regeneration. Methods of treating nerve cells with such compositions are useful to promote repair of neuronal damage caused by disease and physical trauma.
    Type: Grant
    Filed: July 16, 1999
    Date of Patent: October 7, 2003
    Assignee: Pfizer Inc
    Inventors: Susumu Katoh, Hiroshi Kawakami, Hiroki Tada, Maria Angelica Linton, Vincent Kalish, John Howard Tatlock, Jesus Ernesto Villafranca
  • Patent number: 6630487
    Abstract: This invention is directed to methods of treating insulin resistance in a mammal which comprise administering an effective amount of a compound of formula I, where the variables are defined in the specification, or the stereoisomeric mixtures, diastereomerically enriched, diastereomerically pure, enantiomerically enriched or enantiomerically pure isomers, or the pharmaceutically acceptable salts and prodrugs thereof to said mammal. The compounds of formula I are growth hormone secretagogues and as such are useful for increasing the level of endogenous growth hormone. In another aspect this invention provides certain intermediates which are useful in the synthesis of the foregoing compounds and certain processes useful for the synthesis of said intermediates and the compounds of formula I.
    Type: Grant
    Filed: May 29, 2002
    Date of Patent: October 7, 2003
    Assignee: Pfizer Inc.
    Inventors: Philip Albert Carpino, Charles Kwok-Fung Chiu, Lydia Codetta Pan, Bruce Allen Lefker, Judith Lee Treadway, Michael Paul Zawistoski
  • Patent number: 6630504
    Abstract: The invention provides compounds of general formula (I) wherein R1 is H or C1-C6 alkyl; R2 and R3, together with the interconnecting atoms form a 4 to 8-membered saturated ring containing one or two heteroatoms (including the nitrogen to which R2 is attached) wherein a second heteroatom, if present, is selected from oxygen, nitrogen and sulfur, with the proviso that said ring cannot contain two adjacent heteroatoms; Z is CF3, OCF3, C1-C6alkylthio or C1-C6alkoxy; Y is hydrogen, halogen, —ORa, Ra or C1-C6alkylthio, and wherein Ra is C1-C4 alkyl optionally substituted with fluorine atoms; or when Z and Y are attached para and meta to the ether linkage linking rings A and B, Z and Y are linked so that, together with the interconnecting atoms, Z and Y form a fused 5 to 7-membered carbocyclic or heterocyclic ring which may be saturated, unsaturated or aromatic, and wherein when Z and Y form a heterocyclic ring, in addition to carbon atoms, the linkage contains one or two heteroatoms independently selected fro
    Type: Grant
    Filed: August 24, 2001
    Date of Patent: October 7, 2003
    Assignee: Pfizer Inc.
    Inventors: Mark David Andrews, David Hepworth, Donald Stuart Middleton, Alan Stobie
  • Patent number: 6627754
    Abstract: A compound of the formula wherein R1, R2 and R3 are as defined above, which are inhibitors of the enzyme protein kinases such as Janus Kinase 3 and as such are useful therapy as immunosuppressive agents for organ transplants, xeno transplation, lupus, multiple sclerosis, rheumatoid arthritis, psoriasis, Type I diabetes and complications from diabetes, cancer, asthma, atopic dermatitis, autoimmune thyroid disorders, ulcerative colitis, Crohn's disease, Alzheimer's disease, Leukemia and other autoimmune diseases.
    Type: Grant
    Filed: December 8, 2000
    Date of Patent: September 30, 2003
    Assignee: Pfizer Inc.
    Inventors: Todd A. Blumenkopf, Mark E. Flanagan, Michael J. Munchhof
  • Patent number: 6627771
    Abstract: The instant invention is improved gamma amino butyric acid analogs, processes for their preparation, and methods of using them as agents for treating epilepsy and other neurodegenerative disorders, depression, anxiety, panic, pain, neuropathological disorders, gastrointestinal damage, and inflammation.
    Type: Grant
    Filed: April 13, 2001
    Date of Patent: September 30, 2003
    Assignee: Pfizer Inc
    Inventors: Thomas Richard Belliotti, David Juergen Wustrow
  • Patent number: 6627626
    Abstract: The present invention relates to 5-heterocyclo-pyrazoles of the formula I: wherein ring W, m, n, and R1 through R5 are as defined in the specification, to pharmaceutical compositions containing them and to their medicinal use. The compounds of the invention are useful in the treatment or alleviation of inflammation and other inflammation associated disorders, such as arthritis, colon cancer, and Alzheimer's disease in mammals, preferably humans, dogs, cats and livestock animals.
    Type: Grant
    Filed: November 1, 2002
    Date of Patent: September 30, 2003
    Assignee: Pfizer Inc.
    Inventors: Martha L. Minich, Subas M. Sakya
  • Patent number: 6627755
    Abstract: The present invention relates to novel quinazolin-4-one derivatives of the formula wherein A is a benzo or thieno fused aromatic ring; B is phenyl, pyridyl or pyrimidyl; X is N or CH; and Y-Z is —CH2NH— or —NHCH2—; and to pharmaceutical compositions containing such compounds, and the use of such compounds to treat neurodegenerative, psychotropic, and drug and alcohol induced central and peripheral nervous system disorders.
    Type: Grant
    Filed: May 14, 1998
    Date of Patent: September 30, 2003
    Assignee: Pfizer INC
    Inventors: Bertrand L. Chenard, Willard M. Welch, Anthony R. Reinhold
  • Patent number: 6624162
    Abstract: This invention provides a compound of the formula (I): or the pharmaceutically acceptable salts thereof wherein R1 is hydrogen, halo or alkyl; R2 and R3 are independently hydrogen, alkyl, alkenyl, alkynyl, aminoalkyl or hydroxyalkyl; or R2 and R3 taken together with the nitrogen atom to which they are attached may form hetrocyclic; R4 is hydrogen, halo, acyl, amino, amido, aryl, arylalkyl, or heteroaryl; R5 is hydrogen, halo, alkyl alkenyl, alkynyl, acyl, amino, amido, aryl, arylalkyl, or heteroaryl; R6 is hydrogen, alkyl or alkoxyalkyl; X is NR9 wherein R9 is hydrogen or alkyl; and Y is (CR7R8)n wherein n is an integer from 0 to 5. These compounds have 5-HT4 receptor binding activity, and thus are useful for the treatment of gastroesophageal reflux disease, non-ulcer dyspepsia, Functional dyspepsia, irritable bowel syndrome or the like in mammalian, especially humans. This invention also provides a pharmaceutical composition comprising the above compound.
    Type: Grant
    Filed: September 20, 2002
    Date of Patent: September 23, 2003
    Assignee: Pfizer Inc.
    Inventors: Chikara Uchida, Hirohide Noguchi, Alan Stobie, Geoffrey Gymer, David Fenwick
  • Patent number: 6624158
    Abstract: The present invention relates to compounds of the formula and pharmaceutically acceptable salts and solvates thereof, wherein R2 is —CH2NHSO2—A—R3, —CONR10—A1—R11, —X—NR12a—Y—NR13R14 or —CO—NR18—X1—NR12—Y—NR13R14; R19, where R19 is a C-linked, 5-membered aromatic heterocycle containing either (i) from 1 to 4 ring nitrogen atoms or (ii) 1 or 2 ring nitrogen atoms and 1 oxygen or 1 sulphur ring atom, said heterocycle being optionally substituted by C1-C6 alkyl, said C1-C6 alkyl being optionally substituted by phenyl, —OH, C1-C6 alkoxy or —NR20R21 and R1, A, R3, R10, R11, X, R12a, Y, R13, R14, R18, X1, R21 and R22 are as defined in the specification. The invention also relates to processes for the preparation of, intermediates used in the preparation of, and compositions containing such compounds and the uses of such compounds as adenosine A2a receptor agonists.
    Type: Grant
    Filed: August 20, 2001
    Date of Patent: September 23, 2003
    Assignee: Pfizer Inc
    Inventors: Simon John Mantell, Peter Thomas Stephenson
  • Patent number: 6620806
    Abstract: The present invention provides methods and kits for improving or maintaining vascular health, including preventing myocardial infarction or stroke; maintaining or improving vascular reactivity; treating acute or chronic renal failure, peripheral arterial occlusive disease, coronary artery disease, or Raynaud's phenomenon; or lowering plasma levels of Lp(a) using an estrogen agonist/antagonist.
    Type: Grant
    Filed: October 15, 2001
    Date of Patent: September 16, 2003
    Assignee: Pfizer Inc.
    Inventors: Wesley W. Day, Andrew G. Lee, David D. Thompson
  • Patent number: 6615498
    Abstract: A razor assembly having a razor cartridge designed for pivotal, swivel and torsional movement during shaving includes a handle and a flexible member having a first end connected to the handle at a pivot axis, a second free end extending beyond the handle and a longitudinal axis extending through the first and second ends of the flexible member. The razor cartridge, which has a major axis and one or more razor blades, is pivotally connected to the second free end of the flexible member for pivoting about an axis that is substantially parallel to the major axis of the razor cartridge. In addition, the second free end of the flexible member, and the razor cartridge pivotally connected thereto, are movable along an arcuate path centered at the pivot axis and are rotatable about an axis substantially parallel to the longitudinal axis of the flexible member.
    Type: Grant
    Filed: June 12, 2000
    Date of Patent: September 9, 2003
    Assignee: Warner-Lambert Company
    Inventors: Brian F. King, Paul R. Dansreau, Michael J Sasuta
  • Patent number: 6613796
    Abstract: The present invention provides novel methods of inhibiting pathological conditions related to organ systems which respond to estrogen agonists comprising administering to a mammal in need of such treatment an effective amount of a compound of formula I
    Type: Grant
    Filed: November 15, 2001
    Date of Patent: September 2, 2003
    Assignee: Pfizer Inc.
    Inventors: David B. Maclean, David D. Thompson
  • Patent number: 6613550
    Abstract: The present invention is directed to a process for the production of compounds of the formula: from a compound of the formula comprising hydroxylating a compound of the formula I in the presence of an enzyme produced by a microorganism of the genera Cunninghamella species or Aspergillus. Preferred microorganisms are Cunninghamella echinulata var. elegans and Aspergillus flavipes. Mixtures of compounds of formulae II and III may also be highly enriched in their composition of compound II by using the enzyme from Cunninghamella echinulata ATC 8688b.
    Type: Grant
    Filed: February 28, 2001
    Date of Patent: September 2, 2003
    Assignee: Pfizer Inc.
    Inventor: John W. Wong
  • Patent number: 6610746
    Abstract: The present invention provides methods of treating non-insulin dependent diabetes mellitus, insulin resistance, Syndrome X, diabetic neuropathy, diabetic nephropathy, diabetic retinopathy, diabetic cardiomyopathy, polycystic ovary syndrome, cataracts, hyperglycemia, or impaired glucose tolerance, the methods comprising the step of administering to a patient having or at risk of having non-insulin dependent diabetes mellitus, insulin resistance, Syndrome X, diabetic neuropathy, diabetic nephropathy, diabetic retinopathy, diabetic cardiomyopathy, polycystic ovary syndrome, cataracts, hyperglycemia, or impaired glucose tolerance a synergistic amount of:1) a sulfonylurea, a non-sulfonylurea K+ ATP channel blocker, or a sulfonylurea and a non-sulfonylurea K+ ATP channel blocker; and 2) a cAMP phosphodiesterase type 3 inhibitor.
    Type: Grant
    Filed: April 10, 2001
    Date of Patent: August 26, 2003
    Assignee: Pfizer Inc.
    Inventors: David A. Fryburg, Janice C. Parker
  • Patent number: 6610719
    Abstract: This invention is directed to methods and compositions of treating acute or chronic renal failure or dysfunction, or conditions caused thereby, comprising administering prostaglandin agonists, which are EP4 receptor selective prostaglandin agonists.
    Type: Grant
    Filed: January 29, 2001
    Date of Patent: August 26, 2003
    Assignee: Pfizer Inc.
    Inventors: Vishwas M. Paralkar, David D. Thompson
  • Patent number: 6610747
    Abstract: A compound of general formula (I) wherein R1 and R2 are H, C1-C6alkyl or (CH2)d(C3-C6cycloalkyl) wherein d=0, 1, 2 or 3; or R1 and R2 together with the nitrogen to which they are attached form an azetidine ring; Z or Y is —SR3 and the other Z or Y is halogen or —R3; wherein R3 is C1-C4 alkyl optionally substituted with fluorine; except that R3 is not CF3; or Z and Y are linked so that, together with the interconnecting atoms, Z and Y form a fused 5 to 7-membered carbocyclic or heterocyclic ring, and wherein when Z and Y form a heterocyclic ring, in addition to carbon atoms, the linkage contains one or two heteroatoms independently selected from oxygen, sulfur and nitrogen; R4 and R5, which may be the same or different, are: A—X, wherein A=—CH═CH— or —(CH2)p— where p is 0, 1 or 2; X is hydrogen, F, Cl, Br, I, CONR6R7, SO2NR6R7, SO2NHC(═O)R6, OH, C1-4alkoxy, NR8SO2R9, NO2, NR6R11, CN, CO2R10, CHO, SR10, S(O)R9 or SO2R10; or a 5- or 6-membered het
    Type: Grant
    Filed: August 27, 2001
    Date of Patent: August 26, 2003
    Assignee: Pfizer Inc.
    Inventors: Mavis Diane Adam, Mark David Andrews, Mark Leonard Elliott, Geoffrey Edward Gymer, David Hepworth, Harry Ralph Howard, Jr., Donald Stuart Middleton, Alan Stobie
  • Patent number: 6610711
    Abstract: Novel compounds having general formula (I), and pharmaceutically and veterinarily acceptable salts thereof wherein R1, R2, R3, W, Y1, Y2, X, n and y are as defined above and processes for their preparation and intermediate compounds prepared therein. The novel compounds are useful for having utility in the treatment of pruritic dermatoses including allergic dermatitis and atopy in animals and humans.
    Type: Grant
    Filed: May 11, 2000
    Date of Patent: August 26, 2003
    Assignee: Pfizer Inc.
    Inventors: Richard Edward Armer, Christopher James Dutton, David Morris Gethin, Stephen Paul Gibson, Julian Duncan Smith, Ivan Tommasini