Patents Represented by Attorney, Agent or Law Firm Alan L. Koller
  • Patent number: 5840315
    Abstract: The present invention provides a vaccine to treat or prevent mastitis in a bovine species, comprising an immunologically effective amount of a plasminogen-activating streptokinase protein produced by Streptococcus uberis. The present invention further provides a method of treating or preventing mastitis in a bovine species comprising vaccinating a cow with an immunologically effective amount of a plasminogen-activating streptokinase protein produced by S. uberis. The present invention further provides an isolated plasminogen-activating streptokinase protein produced by S. uberis, or an immunogenic fragment thereof.
    Type: Grant
    Filed: July 15, 1994
    Date of Patent: November 24, 1998
    Assignee: Pfizer Inc.
    Inventor: James Andrew Leigh
  • Patent number: 5721271
    Abstract: Compounds of formula (I): ##STR1## wherein R.sup.1 is hydrogen or methyl, R.sup.2 is hydrogen or (E)-2-methyl 2-butenoyloxy, and R.sup.3 is hydrogen or hydroxy, with the proviso that when R.sup.3 is hydrogen, R.sup.1 and R.sup.2 are both hydrogen, and when R.sup.2 is (E)-2-methyl 2-butenoyloxy, R.sup.1 is methyl; the compound of formula (II): ##STR2## and the compound of formula (III): ##STR3## are obtainable by the fermentation of Streptomyces E225 NCIB 12310 or Streptomyces E225B NCIB 12509. The compounds have anthelmintic utility.
    Type: Grant
    Filed: October 29, 1996
    Date of Patent: February 24, 1998
    Assignee: Pfizer Inc.
    Inventors: Rhona Mary Banks, Geoffrey Harold Baker, Roderick John Dorgan, Mark Edward Poulton
  • Patent number: 5712303
    Abstract: The pyrazoles and pyzazolopyrimidines of the formula ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4 and A are as defined herein, have corticotropin releasing factor (CRF) antagonist activity. As such, they are effective in the treatment of a wide range of diseases including stress-related illnesses.
    Type: Grant
    Filed: June 14, 1995
    Date of Patent: January 27, 1998
    Assignee: Pfizer Inc.
    Inventors: William Stephen Faraci, Willard McKowan Welch, Jr.
  • Patent number: 5695769
    Abstract: This invention provides vaccine compositions, methods of producing same and methods for protecting porcine animals against disease associated with infection by toxigenic Pasteurella multocida. The vaccines of this invention contain effective amounts of a P. multocida bacterin with a cell-bound toxoid and, optionally, a P. multocida free toxoid.
    Type: Grant
    Filed: July 11, 1994
    Date of Patent: December 9, 1997
    Assignee: Pfizer Inc.
    Inventors: Joseph C. Frantz, David S. Roberts, Leroy A. Swearingin, Richard J. Kemmy
  • Patent number: 5686268
    Abstract: This invention relates to composite somatotropin peptides and fusion protein thereof useful in the potentiating of growth hormone activity. Also disclosed are vector and host cells useful in the recombinant production of such molecules. Vaccines containing composite somatotropin and fusion proteins thereof and methods of using same as disclosed.
    Type: Grant
    Filed: January 27, 1995
    Date of Patent: November 11, 1997
    Assignee: Pfizer Inc.
    Inventors: Hector Wasunna Alila, Michael Thomas Clark, Elaine Verne Jones, Timothy Joe Miller, Shawn Patrick O'Brien, Ganesh Madhusudan Sathe
  • Patent number: 5674484
    Abstract: A non-lymphoid continuous cell line adapted for propagation of avian coccidia is provided. This cell line is useful for the production of vaccine antigens for prophylactic treatment of poultry, particularly in a vaccine for coccidia.
    Type: Grant
    Filed: July 11, 1994
    Date of Patent: October 7, 1997
    Assignee: Pfizer Inc.
    Inventors: Timothy J. Miller, Robert A. Clare, Patricia Lufburrow
  • Patent number: 5667785
    Abstract: This invention relates to a temperature-sensitive (ts) feline infectious peritonitis (FIP) virus, which is characterized by substantially reduced growth at 39.degree. C. as compared with its growth at 31.degree. C. Also included in this invention is the use of the ts-FIP virus for oral or intranasal administration to cats as a vaccine to induce immunity against FIP.
    Type: Grant
    Filed: July 26, 1994
    Date of Patent: September 16, 1997
    Assignee: Pfizer Inc.
    Inventors: Jay Dean Gerber, Jerald Dee Ingersoll
  • Patent number: 5660844
    Abstract: The present invention provides a collar containing a novel gel formulation of a wax and linear aliphatic hydrocarbon combination capable of the controlled release of an insecticide such as chlorpyrifos for the control of arthropods infesting animals. FIG. 1 depicts release rate proportional to chlorpyrifos (DURSBAN) concentration.
    Type: Grant
    Filed: September 15, 1995
    Date of Patent: August 26, 1997
    Assignee: Pfizer Inc.
    Inventors: Howard Christie, Charles S. Pinzino
  • Patent number: 5643902
    Abstract: A formulation comprising amoxycillin or a veterinarily acceptable derivative thereof, clavulanic acid or a veterinarily acceptable derivative thereof, and a veterinarily acceptable carrier is used in the treatment of farrowing fever and/or bacterial pneumonia in pigs.
    Type: Grant
    Filed: March 16, 1994
    Date of Patent: July 1, 1997
    Assignee: Pfizer Inc.
    Inventor: Victor Charles Cracknell
  • Patent number: 5620874
    Abstract: Compounds of formula (I): ##STR1## wherein R.sup.1 is hydrogen or methyl, R.sup.2 is hydrogen or (E)-2-methyl 2-butenoyloxy, and R.sup.3 is hydrogen or hydroxy, with the proviso that when R.sup.3 is hydrogen, R.sup.1 and R.sup.2 are both hydrogen, and when R.sup.2 is (E)-2-methyl 2-butenoyloxy, R.sup.1 is methyl; the compound of formula (II): ##STR2## and the compound of formula (III): ##STR3## are obtainable by the fermentation of Streptomyces E225 NCIB 12310 or Streptomyces E225B NCIB 12509. The compounds have antihelminthic utility.
    Type: Grant
    Filed: June 1, 1995
    Date of Patent: April 15, 1997
    Assignee: Pfizer Inc.
    Inventors: Rhona M. Banks, Geoffrey H. Baker, Roderick J. Dorgan, Mark E. Poulton
  • Patent number: 5616328
    Abstract: There is provided by this invention a novel method of preparing Gram-negative bacterial vaccines. The method comprises providing a concentrated Gram-negative bacterial antigenic preparation,adsorbing the preparation with a mineral carrier capable of binding free-endotoxin in the antigenic preparation in an amount effective to produce optimal binding of endotoxin and antigen and diluting the adsorbed preparation for use in a vaccine. Also provided by this invention is a vaccine produced by the method of this invention. Also provided by this invention is a Gram-negative bacterial vaccine wherein the improvement comprises a concentration of mineral carrier in the vaccine which is less than 5.0% v/v. Also provided by this invention is a Gram-negative bacterial vaccine comprising a mineral carrier wherein the amount of the mineral carrier in the vaccine has been predetermined by the method of this invention.
    Type: Grant
    Filed: July 11, 1994
    Date of Patent: April 1, 1997
    Assignee: Pfizer Inc.
    Inventors: David S. Roberts, Donald A. Dearwester, Leroy A. Swearingin
  • Patent number: 5604214
    Abstract: This invention relates to a method for eliminating or lessening the incidence of boar odor in meat reared from male pigs which comprises administering to such male pigs an effective amount of a boar 4-ene-5-.alpha.-reductase inhibiting compound with or without further active ingredients. Also provided is a method for preventing the formation of 5-.alpha.-androst-16-en-3-one in male pigs which comprises administering to such male pigs a presently discovered boar 4-ene-5-.alpha.-reductase inhibiting compound.
    Type: Grant
    Filed: October 20, 1995
    Date of Patent: February 18, 1997
    Assignee: Pfizer Inc.
    Inventors: Hector W. Alila, Michael T. Clark, Richard D. Hedde, Mark A. Levy, Thomas O. Lindsey