Patents Represented by Attorney Karen DeBenedictis
  • Patent number: 5807867
    Abstract: Compounds of the formula ##STR1## wherein R.sup.1 is methoxy and R.sup.2 is selected from the group consisting of methyl, ethyl, isopropyl, sec-butyl and tert-butyl; and the pharmaceutically acceptable salts of such compounds.These compounds are substance P antagonists and useful in the treatment of gastrointestinal disorders, inflammatory disorders, central nervous system disorders and pain.
    Type: Grant
    Filed: May 23, 1994
    Date of Patent: September 15, 1998
    Assignee: Pfizer Inc.
    Inventors: Fumitaka Ito, Hiroshi Kondo, Masami Nakane, Kaoru Shimada, John Adams Lowe, III, Terry Jay Rosen
  • Patent number: 5773450
    Abstract: The present invention relates to novel fluoroalkoxybenzylamino derivatives of nitrogen containing heterocyclic compounds, and specifically, to compounds of the formula ##STR1## wherein Q, X.sup.1, x.sup.2 and X.sup.3 are as defined below. These novel compounds are useful in the treatment of inflammatory and central nervous system disorders, as well as other disorders.
    Type: Grant
    Filed: December 14, 1993
    Date of Patent: June 30, 1998
    Assignee: Pfizer Inc.
    Inventors: John Adams Lowe, III, Terry Jay Rosen
  • Patent number: 5750542
    Abstract: Described herein are compounds of the formula ##STR1## wherein R.sup.1 R.sup.2, R.sup.7, R.sup.8, X, Y, M and L are defined as below. The compounds of formula I are cholinesterase inhibitors and are useful in enhancing memory in patients suffering from dementia and Alzheimer's disease.
    Type: Grant
    Filed: September 28, 1993
    Date of Patent: May 12, 1998
    Assignee: Pfizer
    Inventors: Anabella Villalobos, Arthur A. Nagel, Yuhpyng L. Chen
  • Patent number: 5744480
    Abstract: The present invention relates to novel fluoroalkoxybenzylamino derivatives of nitrogen containing heterocyclic compounds, and specifically, to compounds of the formula ##STR1## wherein Q, X.sup.1, X.sup.2 and X.sup.3 are as defined below. These novel compounds are useful in the treatment of inflammatory and central nervous system disorders, as well as other disorders.
    Type: Grant
    Filed: May 22, 1995
    Date of Patent: April 28, 1998
    Assignee: Pfizer Inc.
    Inventors: John Adams Lowe, III, Terry Jay Rosen
  • Patent number: 5714487
    Abstract: This invention relates to compounds of formula I ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, X, m and n are defined as in the specification, their pharmaceutically acceptable salts and pharmaceutical compositions containing such compounds or their salts.
    Type: Grant
    Filed: December 23, 1996
    Date of Patent: February 3, 1998
    Assignee: Pfizer Inc.
    Inventor: Mark A. Sanner
  • Patent number: 5688806
    Abstract: The present invention relates to novel spirocyclic piperidine derivatives and related compounds and, specifically, to compounds of the formula ##STR1## wherein X, Z, Y, R.sup.1, R.sup.2, R.sup.3, R.sup.4 and m are as defined in the specification, and to intermediates used in the synthesis of such compounds. The novel compounds of formula I are useful in the treatment of inflammatory and central nervous system disorders, as well as other disorders.
    Type: Grant
    Filed: October 12, 1995
    Date of Patent: November 18, 1997
    Assignee: Pfizer Inc.
    Inventors: Manoj C. Desai, Lawrence A. Vincent
  • Patent number: 5604252
    Abstract: The present invention relates to novel azanorbornane derivatives having the formula ##STR1## wherein R.sup.1 through R.sup.12 are defined as below, and to novel intermediates used in their synthesis. The compounds having formula I are useful in the treatment of inflammatory and central nervous system disorders, as well as other disorders.
    Type: Grant
    Filed: December 14, 1993
    Date of Patent: February 18, 1997
    Assignee: Pfizer Inc.
    Inventor: Brian T. O'Neill
  • Patent number: 5576317
    Abstract: The present invention relates to a method of treating or preventing emesis in a mammal, including a human, by administering to the mammal a 5HT.sub.3 receptor antagonist and an NK-1 receptor antagonist (e.g., a substance P receptor antagonist). It also relates to pharmaceutical compositions containing a pharmaceutically acceptable carrier, a 5HT.sub.3 receptor antagonist and an NK-1 receptor antagonist.
    Type: Grant
    Filed: December 9, 1994
    Date of Patent: November 19, 1996
    Assignee: Pfizer Inc.
    Inventor: Susan F. Gonsalves
  • Patent number: 5543411
    Abstract: This invention relates to the use of certain hydroxylated metabolites and derivatives of doxazosin and their pharmaceutically acceptable acid addition salts for retarding the development of atherosclerosis in a mammal. Such compounds are useful for reducing atherosclerotic plaque involvement and for retarding and reducing both lipid deposition fibrosis in the development of atherosclerotic plaques.
    Type: Grant
    Filed: May 8, 1995
    Date of Patent: August 6, 1996
    Assignee: Pfizer Inc.
    Inventors: Archie C. Swindell, Samuel S. Wong
  • Patent number: 5538984
    Abstract: Disclosed herein are compounds of the formula ##STR1## wherein R.sup.1 R.sup.2, R.sup.7, R.sup.8, X, Y, M and L are defined as below The compounds of formula I are cholinesterase inhibitors and are useful in enhancing memory in patients suffering from dementia and Alzheimer's disease.
    Type: Grant
    Filed: May 22, 1995
    Date of Patent: July 23, 1996
    Assignee: Pfizer Inc.
    Inventors: Anabella Villalobos, Arthur A. Nagel, Yuhpyng L. Chen
  • Patent number: 5527808
    Abstract: The present invention relates to novel fused tricycylic nitrogen containing heterocyclic compounds, and specifically, to compounds of the formula ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 are as defined below. These novel compounds are useful in the treatment of inflammatory and central nervous system disorders, as well as other disorders.
    Type: Grant
    Filed: September 15, 1994
    Date of Patent: June 18, 1996
    Assignee: Pfizer Inc.
    Inventor: John A. Lowe, III
  • Patent number: 5519033
    Abstract: The present invention relates to a method of treating urinary incontinence in mammals, including humans, using certain quinuclidine derivatives, piperidine derivatives, azanorbornane derivatives of azabiaglo and related compounds.
    Type: Grant
    Filed: May 31, 1994
    Date of Patent: May 21, 1996
    Assignee: Pfizer Inc.
    Inventors: Terry J. Rosen, Manoj C. Desai, John A. Lowe, III
  • Patent number: 5484917
    Abstract: The present invention relates to novel substituted hexahydroazepinones and tetrahydrobenzazepinones of the formulae ##STR1## wherein R.sup.1, Z.sup.1, Z.sup.2, W.sup.1, W.sup.2, Y.sup.1 and Y.sup.2 are as defined below, and to novel intermediates used in the synthesis of such compounds.Such compounds are useful in the treatment and prevention of gastrointestinal disorders, pain and anxiety disorders.
    Type: Grant
    Filed: June 16, 1903
    Date of Patent: January 16, 1996
    Assignee: Pfizer Inc.
    Inventor: John A. Lowe, III
  • Patent number: 5393762
    Abstract: The present invention relates to a method of treating or preventing emesis in mammals, including humans, using certain quinuclidine derivatives, piperidine derivatives, azanorbornane derivatives and related compounds.
    Type: Grant
    Filed: June 4, 1993
    Date of Patent: February 28, 1995
    Assignee: Pfizer Inc.
    Inventors: Manoj C. Desai, John A. Lowe, III, John W. Watson
  • Patent number: 5340826
    Abstract: The present invention relates to a method of treating or preventing urinary incontinence in mammals, including humans, using certain quinuclidine derivatives, piperidine derivatives, azanorbornane derivatives and related compounds.
    Type: Grant
    Filed: February 4, 1993
    Date of Patent: August 23, 1994
    Assignee: Pfizer Inc.
    Inventors: Terry J. Rosen, Manoj C. Desai, John A. Lowe, III
  • Patent number: 5332817
    Abstract: The present invention relates to novel 3-amino-piperidine derivatives and related nitrogen containing heterocyclic compounds, and specifically, to compounds of the formula ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.7, R.sup.8, Y and m are as defined below. These novel compounds are useful in the treatment of inflammatory and central nervous system disorders, as well as other disorders. The invention also relates to novel intermediates used in the synthesis of compounds of the formula I.
    Type: Grant
    Filed: February 8, 1993
    Date of Patent: July 26, 1994
    Assignee: Pfizer Inc.
    Inventors: Manoj C. Desai, Terry J. Rosen
  • Patent number: 5293942
    Abstract: This invention relates to the use of certain keto and diketo acids, esters and salts that are derived from aldopentoses and aldohexoses, to maintain very high levels of iron in solution under oil well acidizing conditions. The compounds described herein chelate ferric iron at low temperatures and are activated by heat to reduce ferric iron to the more soluble ferrous species at high temperatures. Because of these properties and their extraordinarily high solubility in hydrochloric acid, such compounds are capable of maintaining considerably more iron in solution than competing materials.
    Type: Grant
    Filed: February 24, 1992
    Date of Patent: March 15, 1994
    Assignee: Pfizer Inc.
    Inventors: Herman L. Gewanter, Sandra I. Graham, Joseph M. Rashan, Jr., R. Larry Reitz
  • Patent number: 5256791
    Abstract: This invention relates to novel processes for preparing compounds of the formulae ##STR1## wherein R and X defined as below. Compounds of the formulae VII are useful as intermediates in the syntheses of azabicyclo quinoline carboxylic acids having antibacterial activity. This invention also relates to certain novel intermediates in the syntheses such antibiotics.
    Type: Grant
    Filed: March 2, 1992
    Date of Patent: October 26, 1993
    Assignee: Pfizer Inc.
    Inventor: Tamim F. Braish
  • Patent number: 5232929
    Abstract: The present invention relates to novel 3-aminopiperidine derivatives and related nitrogen containing heterocyclic compounds, and specifically, to compounds of the formula ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.7, R.sup.8, Y and m are as defined below. These novel compounds are useful in the treatment of inflammatory and central nervous system disorders, as well as other disorders. The invention also relates to novel intermediates used in the synthesis of compounds of the formula I.
    Type: Grant
    Filed: July 1, 1991
    Date of Patent: August 3, 1993
    Assignee: Pfizer Inc.
    Inventors: Manoj C. Desai, Terry J. Rosen
  • Patent number: 5219871
    Abstract: Compounds of the formula I ##STR1## wherein X, Y and v are as defined below, novel intermediates used in their synthesis, and the pharmaceutically acceptable salts of such compounds and intermediates. The compounds of formula I and the novel intermediates used in their synthesis are muscarinic receptor antagonists that are selected for smooth muscle muscarinic sites and are useful in the prevention and treatment of diseases associated with altered motility or tone of smooth muscle, such as irritable bowel syndrome, diverticular disease, urinary incontinence, aesophageal achalasia, and chronic obstructive airways disease.
    Type: Grant
    Filed: October 4, 1989
    Date of Patent: June 15, 1993
    Assignee: Pfizer Inc.
    Inventors: Peter E. Cross, Alexander R. MacKenzie