Patents Represented by Attorney, Agent or Law Firm Gabriel L. Kleiman
  • Patent number: 6635270
    Abstract: This invention relates to stable pharmaceutical compositions of the NMDA receptor agonist, (1S,2S)-1-(4-hydroxyphenyl)-2-(4-hydroxy-4-phenylpiperidin-1-yl)-1-propanol], methods of preparing such pharmaceutical compositions and methods of treating stroke, spinal cord trauma, traumatic brain injury, multiinfarct dementia, CNS degenerative diseases such as Alzheimer's disease, senile dementia of the Alzheimer's type, Huntington's disease, Parkinson's disease, epilepsy, amyotrophic lateral sclerosis, pain, AIDS dementia, psychotic conditions, drug addictions, migraine, hypoglycemia, anxiolytic conditions, urinary incontinence and an ischemic event arising from CNS surgery, open heart surgery or any procedure during which the function of the cardiovascular system is compromised using the pharmaceutical compositions.
    Type: Grant
    Filed: December 5, 2001
    Date of Patent: October 21, 2003
    Assignee: Pfizer Inc
    Inventors: Jinyang Hong, Yesook Kim
  • 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: 6426341
    Abstract: This invention is directed to methods, pharmaceutical compositions and kits comprising an aldose reductase inhibitor (ARI), a prodrug thereof or a pharmaceutically acceptable salt of said ARI or said prodrug and a selective COX-2 inhibitor, a prodrug thereof or a pharmaceutically acceptable salt of said selective COX-2 inhibitor or said prodrug. This invention further relates to methods of using those pharmaceutical compositions for the treatment of diabetic complications such as diabetic neuropathy, diabetic nephropathy, diabetic retinopathy, myocardial infarction, cataracts and diabetic cardiomyopathy.
    Type: Grant
    Filed: June 23, 2000
    Date of Patent: July 30, 2002
    Assignee: Pfizer Inc.
    Inventor: Banavara L. Mylari
  • Patent number: 6416979
    Abstract: The present invention provides novel 5-substituted picolinic acid compounds of formula (I) or a pharmaceutically acceptable salt thereof: wherein R1 and R2 are independently H, C2-C6 acyl or halo-substituted benzoyl; and R3 is —C(O)O—C1-C6 alkyl, C(O)OH, CN, CONH2, CONHCH3, CON(CH3)2, 1-methyltetrazole or 2-methyltetrazole, with the proviso that when R2 is acetyl and R3 is methoxycarbonyl, R1 is not H; and that when R3 is CN, CONH2, CONHCH3, CON(CH3)2, 1-methyltetrazole or 2-methyltetrazole, R1 and R2 are H. The present invention also relates to a pharmaceutical composition comprising compound of the present invention, which is useful in the treatment of IL-1 and TNF mediated diseases or the like. The present invention further relates to a process for producing the compounds of the formula (I).
    Type: Grant
    Filed: September 8, 2000
    Date of Patent: July 9, 2002
    Assignee: Pfizer Inc.
    Inventors: Hideo Hirai, Katsuomi Ichikawa, Nakao Kojima, Hiroyuki Nishida, Kunio Satake, Nobuji Yoshikawa
  • Patent number: 6413965
    Abstract: This invention is directed to methods, pharmaceutical compositions and kits comprising an aldose reductase inhibitor (ARI), a prodrug thereof or a pharmaceutically acceptable salt of said ARI or said prodrug and a selective COX-2 inhibitor, a prodrug thereof or a pharmaceutically acceptable salt of said selective COX-2 inhibitor or said prodrug. This invention further relates to methods of using those pharmaceutical compositions for the treatment of diabetic complications such as diabetic neuropathy, diabetic nephropathy, diabetic retinopathy and diabetic cardiomyopathy.
    Type: Grant
    Filed: June 23, 2000
    Date of Patent: July 2, 2002
    Assignee: Pfizer Inc.
    Inventor: Banavara L. Mylari
  • Patent number: 6407120
    Abstract: The compound is a neuropeptide Y antagonist and is effective in treating feeding disorders, cardiovascular diseases and other physiological disorders.
    Type: Grant
    Filed: January 28, 2000
    Date of Patent: June 18, 2002
    Assignee: Pfizer Inc.
    Inventors: Philip A. Carpino, Marlys Hammond, Richard F. Hank
  • Patent number: 6399631
    Abstract: Carbazoles of the formula which are effective in treating conditions associated with neuropeptide Y-5 neurotransmission.
    Type: Grant
    Filed: July 21, 2000
    Date of Patent: June 4, 2002
    Assignee: Pfizer Inc.
    Inventors: Richard L. Elliott, David A. Griffith, Marlys Hammond
  • Patent number: 6391616
    Abstract: This invention provides terpenoid lactone compounds, and processes for producing the terpenoid lactone compounds, which comprise cultivating Oidiodedron griseum FERM BP-5778 and then isolating the terpenoid lactone compounds from the fermentation broth. The present invention also provides a pharmaceutical composition comprising the terpenoid lactone compound, which is useful in the treatment of IL-1 and TNF mediated diseases or the like.
    Type: Grant
    Filed: June 16, 2000
    Date of Patent: May 21, 2002
    Assignee: Pfizer Inc.
    Inventors: Hiroyuki Nishida, Masaya Ikunaka, Nobuji Yoshikawa, Katsuomi Ichikawa, Nakao Kojima
  • Patent number: 6337332
    Abstract: Compounds of the structures are useful for treating conditions related to an excess of neuropeptide Y including obesity and circulatory disorders.
    Type: Grant
    Filed: August 24, 1999
    Date of Patent: January 8, 2002
    Assignee: Pfizer Inc.
    Inventor: Philip A. Carpino
  • Patent number: 6225339
    Abstract: This invention provides terpenoid lactone compounds, and processes for producing the terpenoid lactone compounds, which comprise cultivating Oidiodedron griseum FERM BP-5778 and then isolating the terpenoid lactone compounds from the fermentation broth. The present invention also provides a pharmaceutical composition comprising the terpenoid lactone compound, which is useful in the treatment of IL-1 and TNF mediated diseases or the like.
    Type: Grant
    Filed: January 15, 1999
    Date of Patent: May 1, 2001
    Assignee: Pfizer Inc.
    Inventors: Hiroyuki Nishida, Masaya Ikunaka, Nobuji Yoshikawa, Katsuomi Ichikawa, Nakao Kojima
  • Patent number: 6194442
    Abstract: The present invention provides novel 5-substituted picolinic acid compounds of formula (I) or a pharmaceutically acceptable salt thereof: wherein R1 and R2 are independently H, C2-C6 acyl or halo-substituted benzoyl; and R3 is —C(O)O—C1-C6 alkyl, C(O)OH, CN, CONH2, CONHCH3, CON(CH3)2, 1-methyltetrazole or 2-methyltetrazole, with the proviso that when R2 is acetyl and R3 is methoxycarbonyl, R1 is not H; and that when R3 is CN, CONH2, CONHCH3, CON(CH3)2, 1-methyltetrazole or 2-methyltetrazole, R1 and R2 are H. The present invention also relates to a pharmaceutical composition comprising compound of the present invention, which is useful in the treatment of IL-1 and TNF mediated diseases or the like. The present invention further relates to a process for producing the compounds of the formula (I).
    Type: Grant
    Filed: December 14, 1999
    Date of Patent: February 27, 2001
    Assignee: Pfizer Inc
    Inventors: Hideo Hirai, Katsuomi Ichikawa, Nakao Kojima, Hiroyuki Nishida, Kunio Satake, Nobuji Yoshikawa
  • Patent number: 6159976
    Abstract: This invention relates to zopolrestat monohydrate and polymorphs thereof. This invention also relates to processes for preparing zopolrestat monohydrate, for preparing polymorphs thereof and for preparing anhydrous zopolrestat. This invention also relates to compositions comprising zopolrestat monohydrate and to methods of using zopolrestat monohydrate and compositions thereof to treat diabetic complications such as diabetic cataracts, diabetic retinopathy or diabetic neuropathy, lower blood lipid levels or blood uric level.
    Type: Grant
    Filed: August 13, 1999
    Date of Patent: December 12, 2000
    Assignee: Pfizer Inc.
    Inventors: John F. Lambert, Timothy Norris