Patents by Inventor Arthur A. Nagel

Arthur A. Nagel has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20030105081
    Abstract: Disclosed are heterocyclic compounds of the formula 1
    Type: Application
    Filed: August 6, 2001
    Publication date: June 5, 2003
    Inventors: Daniel Yohannes, George Maynard, Jun Yuan, Linghong Xie, Kyungae Lee, Manuka Ghosh, George Luke, Xiaojun Liu, Arthur Nagel, Lawrence Vincent, Kevin Currie, Zhe-Quing Wang
  • Patent number: 6498255
    Abstract: Compounds of the formula wherein R1 R2, R7, R8, 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 19, 2001
    Date of Patent: December 24, 2002
    Assignee: Pfizer Inc.
    Inventors: Anabella Villalobos, Arthur A. Nagel, Yuhpyng L. Chen
  • Publication number: 20020049210
    Abstract: Compounds of the formula 1
    Type: Application
    Filed: August 23, 2001
    Publication date: April 25, 2002
    Inventors: Yuhpyng L. Chen, Arthur A. Nagel
  • Publication number: 20020028834
    Abstract: Compounds of the formula 1
    Type: Application
    Filed: September 19, 2001
    Publication date: March 7, 2002
    Inventors: Anabella Villalobos, Arthur A. Nagel, Yuhpyng L. Chen
  • Patent number: 6326382
    Abstract: Compounds of the formula wherein R1 R2, R7, R8, 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: July 14, 2000
    Date of Patent: December 4, 2001
    Assignee: Eisai Co., LTD
    Inventors: Anabella Villalobos, Arthur A. Nagel, Yuhpyng L. Chen
  • Patent number: 6319915
    Abstract: A method of treating hyperproliferation diseases in mammals in need of such treatment which method includes administering to said mammal a therapeutically effective amount of a compound of the formula: or a pharmaceutically acceptable salt, hydrate or prodrug thereof, wherein R1, R2, R3, R4, W, X, Y, Z and t are as defined herein.
    Type: Grant
    Filed: April 13, 2000
    Date of Patent: November 20, 2001
    Assignee: Pfizer Inc.
    Inventors: Steven W. Goldstein, Kelly P. Longo, Arthur A. Nagel, John A. Lowe, III
  • Patent number: 6303633
    Abstract: Compounds of the formula wherein ring A, ring B, ring D, R2, R3, R4, R5, R6, R11, R12, R13, E, G, X and P are as defined 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: November 11, 1999
    Date of Patent: October 16, 2001
    Assignee: Pfizer Inc
    Inventors: Yuhpyng L. Chen, Arthur A. Nagel
  • Patent number: 6121280
    Abstract: This invention relates to novel azabicyclic compounds of the formula ##STR1## wherein R.sup.1, Q and Z are defined as in the specification, pharmaceutical compositions containing them, and the use of such compounds for the treatment of neurodegenerative diseases and other disorders involving nerve damage.
    Type: Grant
    Filed: February 22, 1999
    Date of Patent: September 19, 2000
    Assignee: Pfizer Inc.
    Inventors: Arthur A. Nagel, James F. Blake
  • Patent number: 6020335
    Abstract: An (N-(pyridinylmethyl)-heterocyclic)ylideneamine compound of the formula ##STR1## wherein R.sup.3, A, and B are as described below, and its pharmaceutically acceptable salts and prodrugs. Compounds of the formula I and their pharmaceutically acceptable salts and prodrugs are useful in the treatment of addictive disorders, such as the use of tobacco or other nicotine containing products, neurological and mental disorders such as senile dementia of the Alzheimer's type, Parkinson's disease, attentional hyperactivity disorder, anxiety, obesity, Tourette's Syndrome and ulcerative colitis.
    Type: Grant
    Filed: November 4, 1997
    Date of Patent: February 1, 2000
    Assignee: Pfizer Inc
    Inventors: Arthur A. Nagel, Steven W. Goldstein, Stanley Jung, Peter H. Dorff
  • Patent number: 5847155
    Abstract: A series of aromatic pyrrolidine derivatives and suitable pharmaceutically acceptable salts thereof are disclosed. These compounds are useful as PEP inhibitors in the treatment of Alzheimer's disease, amnesia, dementia, anxiety ischemia, or stroke.
    Type: Grant
    Filed: January 26, 1996
    Date of Patent: December 8, 1998
    Assignee: Pfizer Inc
    Inventors: W. Stephen Faraci, Arthur A. Nagel, Robin W. Spencer, Fredric J. Vinick
  • 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: 5618808
    Abstract: The present invention relates to novel substituted benzothiazepines and benzoxazepines of the formula ##STR1## wherein R.sup.1, R.sup.2, R.sup.7, R.sup.8, R.sup.9 and X 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: December 21, 1994
    Date of Patent: April 8, 1997
    Assignee: Pfizer, Inc.
    Inventor: Arthur A. Nagel
  • Patent number: 5574046
    Abstract: Compounds of the formula ##STR1## wherein ring A, ring B, ring D, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.11, R.sup.12, R.sup.13, E, G, X and P are as defined 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: March 9, 1994
    Date of Patent: November 12, 1996
    Assignee: Pfizer Inc.
    Inventors: Yuhpyng L. Chen, Arthur A. Nagel
  • 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: 5294619
    Abstract: A series of novel N-alkyl or oxyalkyl arylpiperidine derivatives have been prepared, including their pharmaceutically acceptable acid addition salts, wherein the N-alkyl or oxyalkyl side chain is further substituted by certain aryl or heterocyclic ring groups. These particular compounds are useful in therapy as neuroleptic agents for the control of various psychotic disorders. Typical and preferred member compounds include 4-{{4-{2-[4-(2-methoxyphenyl)-1-piperidinyl]ethyl}phenyl}}thiazole-2-amine , 4-{{4-{4-[4-(2-methoxyphenyl)-1-piperidinyl]-n-butyl}phenyl}}thiazole-2-a mine, 3-{4-[4-(2-methoxyphenyl)-1-piperidinyl]-n-butyl}-1,8,8-trimethyl-3-azabic yclo[3.2.1]octane-2,4-dione, 5-{2-[4-(2-methoxyphenyl)-1-piperidinyl]ethyl}oxindole and 3-{2-[4-(1-naphthyl)-1-piperidinyl]ethyl}-2-methyl-4H-pyrido[1,2-a]pyrimid ine-4-one, respectively. Methods for preparing all these compounds from known starting materials are provided.
    Type: Grant
    Filed: July 29, 1992
    Date of Patent: March 15, 1994
    Assignee: Pfizer Inc.
    Inventor: Arthur A. Nagel
  • Patent number: 5153206
    Abstract: A series of novel N-alkyl or oxyalkyl arylpiperidine derivatives have been prepared, including their pharmaceutically acceptable acid addition salts, wherein the N-alkyl or oxyalkyl side chain is further substituted by certain aryl or heterocyclic ring groups. These particular compounds are useful in therapy as neuroleptic agents for the control of various psychotic disorders. Typical and preferred member compounds include 4-{{4-{2-[4-(2-methoxyphenyl)-1-piperidinyl]ethyl}phenyl}}thiazole-2-amine , 4-{{4-{4-[4-(2-methoxyphenyl)-1-piperidinyl]-n-butyl}phenyl}}thiazole-2-a mine, 3-{4-[4-(2-methoxyphenyl)-1-piperidinyl]-n-butyl}-1,8,8-trimethyl-3-azabic yclo[3.2.1]octane-2,4-dione, 5-{2-[4-(2-methoxyphenyl)-1-piperidinyl]ethyl}oxindole and 3-{2-[4-(1-naphthyl)-1-piperidinyl]ethyl}-2-methyl-4H-pyrido[1,2-a]pyrimid ine-4-one, respectively. Methods for preparing all these compounds from known starting materials are provided.
    Type: Grant
    Filed: July 26, 1990
    Date of Patent: October 6, 1992
    Assignee: Pfizer Inc.
    Inventor: Arthur A. Nagel
  • Patent number: 4963689
    Abstract: Heterocyclicguanidines as 5HT.sub.3 antagonists useful in the treatment of nausea, anxiety, pain, schizophrenia and gastrointestinal disorders.
    Type: Grant
    Filed: May 19, 1989
    Date of Patent: October 16, 1990
    Assignee: Pfizer Inc.
    Inventors: Arthur A. Nagel, James P. Rizzi, Terry J. Rosen
  • Patent number: 4914207
    Abstract: Arylthiazolylimidazoles as 5HT.sub.3 antagonists useful in the treatment of nausea, anxiety, pain, schizoprenia and gastrointestinal disorders.
    Type: Grant
    Filed: May 9, 1989
    Date of Patent: April 3, 1990
    Assignee: Pfizer Inc.
    Inventors: Arthur A. Nagel, James P. Rizzi, Terry J. Rosen
  • Patent number: 4883795
    Abstract: Arylpiperazinyl-ethyl (or butyl)-heterocyclic compounds and their pharmaceutically acceptable acid addition salts are neuroleptic agents. They are useful in the treatment of psychotic disorders.
    Type: Grant
    Filed: January 23, 1989
    Date of Patent: November 28, 1989
    Assignee: Pfizer Inc.
    Inventors: John A. Lowe, III, Arthur A. Nagel
  • Patent number: 4831031
    Abstract: Arylpiperazinyl-ethyl(or butyl)-heterocyclic compounds and their pharmaceutically acceptable acid addition salts are neuroleptic agents. They are useful in the treatment of psychotic disorders.
    Type: Grant
    Filed: January 22, 1988
    Date of Patent: May 16, 1989
    Assignee: Pfizer Inc.
    Inventors: John A. Lowe, III, Arthur A. Nagel