Patents by Inventor Todd William Butler

Todd William Butler 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).

  • Patent number: 8389743
    Abstract: This invention is directed to a compound of formula I, wherein R1, R2, R4, R5, R6, R7, R8 and n are as defined herein, or a pharmaceutically acceptable salt thereof; a pharmaceutical composition containing a compound of formula I, a process of preparation of a compound of formula I, a method of treatment of a disorder or condition such as depression, mood disorders, schizophrenia, anxiety disorders, Alzheimer's disease, attention-deficit hyperactivity disorder (ADHD), psychotic disorders, cognitive disorders, sleep disorders, obesity, dizziness, epilepsy, motion sickness, respiratory diseases, allergy, allergy-induced airway responses, allergic rhinitis, nasal congestion, allergic congestion, congestion, hypotension, cardiovascular disease, diseases of the GI tract, hyper and hypo motility and acidic secretion of the gastro-intestinal tract that may be treated by antagonizing histamine H3 receptors, the method comprising administering to a mammal in need of such treatment a compound of formula I as descri
    Type: Grant
    Filed: March 9, 2012
    Date of Patent: March 5, 2013
    Assignee: Pfizer Inc.
    Inventors: Travis T. Wager, Ramalakshmi Yegna Chandrasekaran, Todd William Butler
  • Publication number: 20120220568
    Abstract: This invention is directed to a compound of formula I, wherein R1, R2, R4, R5, R6, R7, R8 and n are as defined herein, or a pharmaceutically acceptable salt thereof; a pharmaceutical composition containing a compound of formula I, a process of preparation of a compound of formula I, a method of treatment of a disorder or condition such as depression, mood disorders, schizophrenia, anxiety disorders, Alzheimer's disease, attention-deficit hyperactivity disorder (ADHD), psychotic disorders, cognitive disorders, sleep disorders, obesity, dizziness, epilepsy, motion sickness, respiratory diseases, allergy, allergy-induced airway responses, allergic rhinitis, nasal congestion, allergic congestion, congestion, hypotension, cardiovascular disease, diseases of the GI tract, hyper and hypo motility and acidic secretion of the gastro-intestinal tract that may be treated by antagonizing histamine H3 receptors, the method comprising administering to a mammal in need of such treatment a compound of formula I as descri
    Type: Application
    Filed: March 9, 2012
    Publication date: August 30, 2012
    Inventors: Travis T. Wager, Ramalakshmi Y. Chandrasekaran, Todd William Butler
  • Patent number: 8158673
    Abstract: This invention is directed to a compound of formula I, as defined herein, or a pharmaceutically acceptable salt thereof; a pharmaceutical composition containing a compound of formula I, a process of preparation of a compound of formula I, a method of treatment of a disorder or condition that may be treated by antagonizing histamine H3 receptors, the method comprising administering to a mammal in need of such treatment a compound of formula I as described above, and a method of treatment of a disorder or condition selected from the group consisting of depression, mood disorders, schizophrenia, anxiety disorders, Alzheimer's disease, attention-deficit hyperactivity disorder (ADHD), psychotic disorders, cognitive disorders, sleep disorders, obesity, dizziness, epilepsy, motion sickness, respiratory diseases, allergy, allergy-induced airway responses, allergic rhinitis, nasal congestion, allergic congestion, congestion, hypotension, cardiovascular disease, diseases of the GI tract, hyper and hypo motility and
    Type: Grant
    Filed: October 13, 2006
    Date of Patent: April 17, 2012
    Assignee: Pfizer Inc.
    Inventors: Travis T. Wager, Ramalakshmi Y Chandrasekaran, Todd William Butler
  • Publication number: 20090069287
    Abstract: The invention relates to substituted azacycloalka?e compounds useful in treating conditions of the Central Nervous System (CNS); a pharmaceutical composition comprising same; a method of treating such conditions and of treating conditions in which inhibition of beta-secretase is indicated.
    Type: Application
    Filed: November 10, 2006
    Publication date: March 12, 2009
    Inventors: James Gorham Boyd, Todd William Butler, Brian Thomas O'Neill
  • Publication number: 20030109516
    Abstract: The present invention relates to tetrahydroquinazoline-2,4-diones derivatives of the formula (I): 1
    Type: Application
    Filed: January 10, 2003
    Publication date: June 12, 2003
    Applicant: Pfizer Inc.
    Inventors: Anton Franz Joseph Fliri, Todd William Butler, Randal James Gallaschun, John Anthony Ragan, Brian Patrick Jones
  • Patent number: 6552015
    Abstract: The present invention is directed to a compound of the formula (I): and pharmaceutically acceptable salts thereof, wherein R1, R2, Y, U, W, k, A, E, V, R4 and R5 are as defined herein, pharmaceutical compositions thereof, and methods of use thereof in the inhibition of serotonin reuptake, the inhibition of the binding of 5-HT2A serotonin receptors and the treatment of diseases, conditions or disorders of the central nervous system. Further, the present invention is also directed to methods for the preparation of compounds of formula (I) and intermediates useful therefor.
    Type: Grant
    Filed: August 1, 2001
    Date of Patent: April 22, 2003
    Assignee: Pfizer Inc.
    Inventors: Anton Franz Joseph Fliri, Todd William Butler, Randall James Gallaschun
  • Patent number: 6521630
    Abstract: The present invention relates to tetrahydroquinazoline-2,4-diones derivatives of the formula (I): pharmaceutically acceptable salts thereof, wherein A is (CH2)n where n is equal to 0, 1 or 2; U is CH2, NH, or NR3, R1 and R2 are selected independently from H, (C1-C6)alkyl, Cl, F, CN, nitro, CF3, —NHC(O)R6 and —OR7, or R1 and R2, together with the atoms to which they are attached, form a carbocyclic or heterocyclic five- or six-membered ring, R3 is selected from the group consisting of H, (C1-C6)malkyl, C(═O)—(C1-C6)alkyl, where m=1 or 2; R4 and R5 are selected from H, (C1-C6)alkyl, Cl, F, —CF3, —CN, —NHC(═O)R6, —OR7, a 5-to 7-membered aryl or heteroaryl ring, where m, R6 and R7 are as defined above; and R6 and R7 are selected independently from H, (C1-C6)alkyl or a 5- to 7-membered aryl or heteroaryl ring; V is CH, CR3, or N; W is CH2, C(O), or S(O)2; X is C or N; and Y is CH, CR1,CR2, or N.
    Type: Grant
    Filed: August 29, 2000
    Date of Patent: February 18, 2003
    Assignee: Pfizer Inc.
    Inventors: Anton Franz Joseph Fliri, Todd William Butler, Randall James Gallaschun, John Anthony Ragan, Brian Patrick Jones
  • Publication number: 20020052355
    Abstract: The present invention is directed to a compound of the formula (I): 1
    Type: Application
    Filed: August 1, 2001
    Publication date: May 2, 2002
    Inventors: Anton Franz Joseph Fliri, Todd William Butler, Randall James Gallaschun
  • Patent number: 6372762
    Abstract: The present invention relates to compounds of the formula and the pharmaceutically acceptable salts and solvates thereof wherein X1, X2, X3, R1, R2, R3 and R4 are as defined herein. The invention also relates to pharmaceutical compositions containing the above compounds and to methods of treating shizophrenic and shizo-affective disorders, and related disorders which may be treated by administering compounds having dopaminergic activity such as the above compounds of formula 1.
    Type: Grant
    Filed: April 27, 1999
    Date of Patent: April 16, 2002
    Assignee: Pfizer Inc.
    Inventors: Anton Franz Joseph Fliri, Todd William Butler
  • Publication number: 20020019401
    Abstract: The present invention relates to compounds of the formula 1
    Type: Application
    Filed: September 27, 2001
    Publication date: February 14, 2002
    Inventors: Anton Franz Joseph Fliri, Todd William Butler