Patents by Inventor Harry R. Howard

Harry R. Howard 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: 20020147206
    Abstract: The present invention relates to a method of treating Multiple Sclerosis, other demyelinating disorders and peripheral neuropathy in a mammal by administering to the mammal a neurotransmitter-inducing or precursor agent in combination with an (SRI) antidepressant or an anxiolytic agent with improvement in efficiency. It also relates to pharmaceutical compositions containing a pharmaceutically acceptable carrier, a neurotransmitter-inducing or precursor agent, and an SRI antidepressant or anxiolytic agent.
    Type: Application
    Filed: December 19, 2001
    Publication date: October 10, 2002
    Applicant: Pfizer Inc.
    Inventor: Harry R. Howard
  • Patent number: 6462048
    Abstract: The present invention relates to lactam derivatives of the formula wherein R1, R2, R3, A, X, Z, n and the dashed line are defined herein, and pharmaceutical compositions thereof, to processes and intermediates for their preparation, and to their medicinal use as selective agonists and antagonists of serotonin 1 (5-HT1) receptors, specifically, of one or both of the 5-HT1A and 5-HT1D receptors. These compounds are useful in treating or preventing migraine, depression and other disorders for which a 5-HT1 agonist or antagonist is indicated.
    Type: Grant
    Filed: September 24, 1998
    Date of Patent: October 8, 2002
    Assignee: Pfizer Inc.
    Inventor: Harry R. Howard
  • Publication number: 20020143003
    Abstract: The present invention relates to compounds of the formula 1
    Type: Application
    Filed: April 30, 2001
    Publication date: October 3, 2002
    Inventors: Harry R. Howard, Christopher J. Schmidt, Thomas F. Seeger, Mark L. Elliott
  • Patent number: 6451803
    Abstract: This invention relates to the use of a compound of the formula wherein m, R1, R2, R3, R4, R5 and X are as defined in the disclosure, for treating or preventing migraine, depression and other disorders for which a 5-HT1 agonist or antagonist is indicated.
    Type: Grant
    Filed: May 31, 2000
    Date of Patent: September 17, 2002
    Assignee: Pfizer INC
    Inventor: Harry R. Howard
  • Publication number: 20020123490
    Abstract: The present invention relates to a method of treating depression, obsessive compulsive disorder and psychosis in a mammal, including a human, by administering to the mammal an atypical antipsychotic in combination with an antidepressant agent with improvement in efficiency. It also relates to pharmaceutical compositions containing a pharmaceutically acceptable carrier, an atypical antipsychotic, and an SRI.
    Type: Application
    Filed: December 6, 2001
    Publication date: September 5, 2002
    Applicant: Pfizer Inc.
    Inventor: Harry R. Howard
  • Publication number: 20020107244
    Abstract: The present invention relates to a method of treating depression or anxiety in a mammal, including a human, by administering to the mammal a 5-HT3 receptor antagonist in combination with an SRI antidepressant agent with improvement in sexual function and/or reduction in gastro-intestinal side effects. It also relates to pharmaceutical compositions containing a pharmaceutically acceptable carrier, a 5-HT3 receptor antagonist and an SRI antidepressant.
    Type: Application
    Filed: November 2, 2001
    Publication date: August 8, 2002
    Inventor: Harry R. Howard
  • Patent number: 6410736
    Abstract: The present invention relates to compounds of formula I, and to their pharmaceutically acceptable salts. Compounds of formula I exhibit activity as serotonin, norepinephrine, and dopamine reuptake inhibitors and can be used in the treatment of central nervous system and other disorders.
    Type: Grant
    Filed: October 19, 2000
    Date of Patent: June 25, 2002
    Assignee: Pfizer Inc.
    Inventors: Harry R. Howard, Jr., Mavis D. Adam
  • Patent number: 6387904
    Abstract: A method for treating glaucoma and ischemic retinopathy in a mammal, comprising administering to said mammal a therapeutically effective amount of a compound of the formula or a pharmaceutically acceptable acid addition salt thereof, wherein n, X, Y and Ar are as defined in the specification.
    Type: Grant
    Filed: May 18, 1999
    Date of Patent: May 14, 2002
    Assignee: Pfizer INC
    Inventor: Harry R. Howard
  • Patent number: 6369074
    Abstract: The present invention relates to novel aminomethylene substituted non-aromatic heterocycles and, specifically, to compounds of the formula wherein W, R1, R2, R3, A, X′, Y′ and Z′ are as defined in the specification, and to intermediates used in the synthesis of such compounds. The novel compounds of formulae Ia and Ib are useful in the treatment of inflammatory and central nervous system disorders, as well as other disorders.
    Type: Grant
    Filed: October 1, 1999
    Date of Patent: April 9, 2002
    Assignee: Pfizer Inc.
    Inventors: Harry R. Howard, Brian T O'Neill
  • Publication number: 20020028821
    Abstract: A compound of formula (I) wherein R1 is a group of formula G1, G2, G3, G4 or G5; R2 is hydrogen, (C1 C4 )alkyl, phenyl or naphthyl, wherein said phenyl or naphthyl may optionally be substituted with one or more substituents, preferably from zero to three substituents, independently selected from chloro, fluoro, bromo, iodo, (C1 C6 )alkyl, (C1 C6 )alkoxy, trifluoromethyl, cyano and SO g (C1 C6 )alkyl wherein g is zero, one or two; R3 is (CH2)m B, wherein m is zero, one, two or three and B is hydrogen, phenyl, naphthyl or a 5 or 6membered heteroaryl group containing from one to four hetero atoms in the ring (e.g., furyl, thienyl, pyridyl, pyrimidyl, thiazolyl, pyrazolyl, isothiazolyl, oxazolyl, isoxazolyl, pyrrolyl, triazolyl, tetrazolyl, imidazolyl, etc.), and wherein each of the foregoing aryl and heteroaryl groups may optionally be substituted with one or more substituents, preferably from zero to three substituents, independently selected from chloro.
    Type: Application
    Filed: September 24, 1998
    Publication date: March 7, 2002
    Inventor: HARRY R. HOWARD
  • Publication number: 20020004504
    Abstract: A method for treating glaucoma and ischemic retinopathy in a mammal, comprising administering to said mammal a therapeutically effective amount of a compound of the formula 1
    Type: Application
    Filed: May 18, 1999
    Publication date: January 10, 2002
    Inventor: HARRY R. HOWARD
  • Publication number: 20020002168
    Abstract: A compound of the formula 1
    Type: Application
    Filed: May 22, 2001
    Publication date: January 3, 2002
    Inventor: Harry R. Howard
  • Patent number: 6323229
    Abstract: A compound of the formula wherein m, R1, R2, R3, R4, R5 and X are as defined, useful in treating or preventing migraine, depression and other disorders for which a 5-HT1 agonist or antagonist is indicated.
    Type: Grant
    Filed: April 14, 1999
    Date of Patent: November 27, 2001
    Assignee: Pfizer INC
    Inventor: Harry R. Howard
  • Publication number: 20010041705
    Abstract: A compound of the formula 1
    Type: Application
    Filed: May 22, 2001
    Publication date: November 15, 2001
    Inventor: Harry R. Howard
  • Publication number: 20010023248
    Abstract: The present invention relates to novel aminomethylene substituted non-aromatic heterocycles and, specifically, to compounds of the formula 1
    Type: Application
    Filed: February 7, 2001
    Publication date: September 20, 2001
    Inventors: Harry R. Howard, Brian T. O'Neill
  • Patent number: 6277852
    Abstract: A compound of the formula or the pharmaceutically acceptable salt thereof, wherein Z is oxygen, S(O)m wherein m is 0, 1 or 2; or NQ wherein Q is hydrogen, (C1-C6)alkyl or phenyl; X is hydrogen, chloro, fluoro, bromo, iodo, hydroxy, nitro, cyano, (C1-C6)alkyl, trifluoromethyl, (C1-C6)alkoxy, (C1-C6)alkyl S(O)a wherein a is 0, 1 or 2; or phenyl wherein the phenyl group is optionally substituted; Y is wherein M is oxygen or sulfur; X2 is hydrogen, fluoro, chloro, trifluoromethyl, (C1-C6)alkyl, (C1-C6)alkoxy or (C1-C6)alkyl S(O)c wherein c is 0, 1 or 2; R1 is selected from wherein R6 is selected from the group consisting of hydrogen, optionally substituted (C1-C6)alkyl; and wherein R6 in G5 together with R7 form a 2 carbon chain; and R9 and R10 are independently hydrogen or (C1-C6)alkyl; R2 is hydrogen, (C1-C4)alkyl, phenyl or naphthyl, wherein said phenyl or naphthyl may optionally substituted; and R3 is —(CH2)tB, wherein t is 0-3 and B is hydrog
    Type: Grant
    Filed: April 14, 1999
    Date of Patent: August 21, 2001
    Assignee: Pfizer INC
    Inventor: Harry R. Howard
  • Patent number: 6197773
    Abstract: A compound of the formula wherein m, R1, R2, R3, R4, R5 and X are as defined above, useful in treating or preventing migraine, depression and other disorders for which a 5-HT1 agonist or antagonist is indicated.
    Type: Grant
    Filed: May 31, 2000
    Date of Patent: March 6, 2001
    Assignee: Pfizer Inc
    Inventor: Harry R. Howard
  • Patent number: 6166020
    Abstract: Compounds of the formula ##STR1## wherein R.sup.1, R.sup.2, R.sup.4, R.sup.23, R.sup.24, R.sup.25 and R.sup.26 are defined as in the specification.These compounds are useful psychotherapeutics and are potent serotonin (5-HT.sub.1) agonists and antagonists.
    Type: Grant
    Filed: April 20, 1999
    Date of Patent: December 26, 2000
    Assignee: Pfizer Inc.
    Inventors: Harry R. Howard, Jr., Bertrand L. Chenard, John E. Macor, Kevin D. Shenk, Kishor A. Desai
  • Patent number: 6110919
    Abstract: The present invention relates to diazabicyclic compounds and, specifically, to compounds of the formula ##STR1## wherein A, G, R.sup.1, R.sup.2, R.sup.3, R.sup.4.sub.1 R.sup.5, R.sup.6, and R.sup.7 are as defined in the specification. The compounds of formula I are useful in the treatment of inflammatory and central nervous system disorders, as well as other disorders.
    Type: Grant
    Filed: November 23, 1998
    Date of Patent: August 29, 2000
    Assignee: Pfizer Inc.
    Inventors: Harry R. Howard, Kevin D. Shenk
  • Patent number: 6051641
    Abstract: Articles having reduced pigment swirling are disclosed. The articles can include a resin, one or more pigments and less than about 1 percent by weight of a non-hygroscopic anti-static agent.
    Type: Grant
    Filed: May 5, 1998
    Date of Patent: April 18, 2000
    Assignee: Teknor Apex Company
    Inventor: Harry R. Howard