Patents by Inventor Hollis Showalter

Hollis Showalter 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: 11148998
    Abstract: This invention is in the field of medicinal chemistry. In particular, the invention relates to a new class of small-molecules having a dimethyl-nonatetraenyl-trimethyl-cyclohexyl structure useful as therapeutics for the treatment of subjects suffering from disorders characterized by abnormal proliferation and/or abnormal differentiation of cells, in particular of cells of which the growth and differentiation is sensitive to the actions of retinoids.
    Type: Grant
    Filed: May 23, 2018
    Date of Patent: October 19, 2021
    Assignee: The Regents of the University of Michigan
    Inventors: James Varani, Hollis Showalter, Andy White, Kent J. Johnson
  • Publication number: 20180339961
    Abstract: This invention is in the field of medicinal chemistry. In particular, the invention relates to a new class of small-molecules having a dimethyl-nonatetraenyl-trimethyl-cyclohexyl structure useful as therapeutics for the treatment of subjects suffering from disorders characterized by abnormal proliferation and/or abnormal differentiation of cells, in particular of cells of which the growth and differentiation is sensitive to the actions of retinoids.
    Type: Application
    Filed: May 23, 2018
    Publication date: November 29, 2018
    Inventors: James Varani, Hollis Showalter, Andy White, Kent J. Johnson
  • Patent number: 9394303
    Abstract: This invention is in the field of medicinal chemistry. In particular, the invention relates to a new class of small-molecules having pyrazolopyridine structure which function as inhibitors of Mcl-1 protein, and their use as therapeutics for the treatment of cancer and other diseases.
    Type: Grant
    Filed: April 3, 2015
    Date of Patent: July 19, 2016
    Assignee: THE REGENTS OF THE UNIVERSITY OF MICHIGAN
    Inventors: Zaneta Nikolovska-Coleska, Fardokht Abulwerdi, Hollis Showalter, Lei Miao, Jeanne Stuckey, Ahmed Mady
  • Publication number: 20150284387
    Abstract: This invention is in the field of medicinal chemistry. In particular, the invention relates to a new class of small-molecules having pyrazolopyridine structure which function as inhibitors of Mcl-1 protein, and their use as therapeutics for the treatment of cancer and other diseases.
    Type: Application
    Filed: April 3, 2015
    Publication date: October 8, 2015
    Inventors: Zaneta Nikolovska-Coleska, Fardokht Abulwerdi, Hollis Showalter, Lei Miao, Jeanne Stuckey, Ahmed Mady
  • Patent number: 8293776
    Abstract: The present invention provides compositions and methods for treating inflammatory conditions (e.g., of the bowel). In particular, the present invention provides methods of treating (e.g., therapeutically and/or prophylactically treating) inflammatory conditions (e.g., of the bowel), compositions useful for such methods (e.g., antagonists and/or inhibitors of angiotensin II (AngII) receptor Type 1a (AT1a)), and methods of identifying, characterizing and/or optimizing such compositions. Compositions and methods of the present invention find use in, among other things, clinical (e.g. therapeutic and preventative medicine) and research applications.
    Type: Grant
    Filed: August 5, 2009
    Date of Patent: October 23, 2012
    Assignee: The Regents of the University of Michigan
    Inventors: Daniel H. Teitelbaum, Hollis Showalter, Scott Larsen, Peter Lucas, Hiroyuki Koga
  • Patent number: 7786131
    Abstract: The present invention relates to pyrimido [5,4-d] pyrimidine compounds of Formula II or a pharmaceutically acceptable salt thereof, wherein Q is and X, E1, E2, E3, R6 and p are as defined herein. The compounds of this invention are irreversible inhibitors of tyrosine kinases and are useful in the treatment of cancer, atherosclerosis, restenosis, endometriosis and psoriasis.
    Type: Grant
    Filed: May 20, 2003
    Date of Patent: August 31, 2010
    Assignee: Warner-Lambert Company
    Inventors: Alexander James Bridges, William Alexander Denny, Ellen Myra Dobrusin, Annette Marian Doherty, David William Fry, Dennis Joseph McNamara, Howard Daniel Hollis Showalter, Jeffrey B. Smaill, Hairong Zhou
  • Publication number: 20100035852
    Abstract: The present invention provides compositions and methods for treating inflammatory conditions (e.g., of the bowel). In particular, the present invention provides methods of treating (e.g., therapeutically and/or prophylactically treating) inflammatory conditions (e.g., of the bowel), compositions useful for such methods (e.g., antagonists and/or inhibitors of angiotensin II (AngII) receptor Type 1a (AT1a)), and methods of identifying, characterizing and/or optimizing such compositions. Compositions and methods of the present invention find use in, among other things, clinical (e.g. therapeutic and preventative medicine) and research applications.
    Type: Application
    Filed: August 5, 2009
    Publication date: February 11, 2010
    Applicant: THE REGENTS OF THE UNIVERSITY OF MICHIGAN
    Inventors: Daniel H. Teitelbaum, Hollis Showalter, Scott Larsen, Peter Lucas, Hiroyuki Koga
  • Patent number: 7582627
    Abstract: Antibacterial 3-aminoquinazolin-2,4-diones have formula (I) wherein: R1 and R3 include alkyl, alkenyl, alkynyl, cycloalkyl, aryl, heterocyclic, and heteroaryl; R5, R6, and R8 include H, alkyl, alkoxy, halo, NO2, CN, NH2, alkyl and dialkylamino; R7 includes hydrogen, alkyl, cycloalkyl, heterocyclic, fused heterocyclic, aryl and fused aryl; J and K are C or N; and pharmaceutically acceptable salts thereof.
    Type: Grant
    Filed: June 13, 2006
    Date of Patent: September 1, 2009
    Assignee: Warner-Lambert Company
    Inventors: Paul Bird, Edmund Lee Ellsworth, Dai Quoc Nguyen, Joseph Peter Sanchez, Howard Daniel Hollis Showalter, Rajeshwar Singh, Michael Andrew Stier, Tuan Phong Tran, Brian Morgan Watson, Judy Yip
  • Patent number: 7501425
    Abstract: This invention provides substituted pyrimido-pyrimidines that are useful for treating cell proliferative disorders, such as cancer and restenosis, as well as angiogenesis and atherosclerosis. The invention compounds have Formula I: where W is NH, S, SO, or SO2, R1 includes alkyl, cycloalkyl, phenyl, substituted phenyl, heteroaryl and substituted heteroaryl; R2 includes alkyl, cycloalkyl, phenyl and substituted phenyl; R3 includes alkyl and aryl such as phenyl and substituted phenyl; R8 and R9 include hydrogen and alkyl, and the pharmaceutically acceptable salts thereof. The invention also provides pharmaceutical formulations comprising a compound of Formula I together with a pharmaceutically acceptable carrier, diluent, or excipient therefor, and a method for treating angiogenesis using said compounds.
    Type: Grant
    Filed: May 10, 1999
    Date of Patent: March 10, 2009
    Assignee: Warner Lambert Company
    Inventors: Ellen Myra Dobrusin, James Marino Hamby, James Bernard Kramer, Mel Conrad Schroeder, Howard Daniel Hollis Showalter, Peter Toogood, Susanne A. Trumpp-Kallmeyer
  • Patent number: 7169778
    Abstract: Disclosed are compounds of Formulae (Ia), (Ib), (Ic), (Id) wherein: W is NH, S, SO, or SO2; R2 is (un)substituted aryl, (un)substituted heteroaryl, or (un)substituted carbocycle or heterocycle; Q is hydrogen or lower alkyl; R4 and R6 are the same or different and represent hydrogen, halogen, lower alkyl, lower alkoxy, (un)substituted aryl, (un)substituted heteroaryl, (un)substituted arylalkyl or (un)substituted heteroarylalkyl; and R8 is hydrogen, lower alkyl or an (un)substituted carbocyclic group containing from 3–7 members, up to two of which members are optionally hetero atoms selected from oxygen and nitrogen; or R8 is (un)substituted aryl, (un)substituted heteroaryl, (un)substituted arylalkyl or (un)substituted heteroarylalkyl. These compounds are useful for treating cell proliferative disorders, such as cancer and restenosis. These compounds are potent inhibitors of cyclin-dependent kinases (cdks) and growth factor-mediated kinases.
    Type: Grant
    Filed: June 21, 2000
    Date of Patent: January 30, 2007
    Assignee: Warner-Lambert Company
    Inventors: William Alexander Denny, Gordon William Rewcastle, Ellen Dobrusin, James Bernard Kramer, Dennis Joseph McNamara, Howard Daniel Hollis Showalter, Peter Laurence Toogood
  • Patent number: 7094780
    Abstract: Antibacterial 3-aminoquinazolin-2,4-diones have formula (I) wherein: R1 and R3 include alkyl, alkenyl, cycloalkyl, aryl, hetero-cyclic, and heteroaryl; R5, R6, and R8 include H, alkyl, alkoxy, halo, NO2, CN, NH2, alkyl and dialkylamino; R7 includes hydrogen, alkyl, cycloalkyl, hetero-cyclic, fused heterocyclic, aryl and fused aryl; J and K are C or N; and pharmaceutically acceptable salts thereof.
    Type: Grant
    Filed: December 12, 2000
    Date of Patent: August 22, 2006
    Assignee: Warner Lambert Company LLC
    Inventors: Paul Bird, Edmund Lee Ellsworth, Dai Quoc Nguyen, Joseph Peter Sanchez, Howard Daniel Hollis Showalter, Rajeshwar Singh, Michael Andrew Stier, Tuan Phong Tran, Brian Morgan Watson, Judy Yip
  • Patent number: 6864259
    Abstract: The present invention provides compounds of Formula (I): wherein R1-R6 and K have any of the values defined in the specification, and pharmaceutically acceptable salt thereof, that are useful as antibacterial agents. Also disclosed are pharmaceutical compositions comprising one or more compounds of Formula I, processes for preparing compounds of Formula I, and intermediates useful for preparing compounds of Formula I.
    Type: Grant
    Filed: May 29, 2002
    Date of Patent: March 8, 2005
    Assignee: Warner-Lambert Company
    Inventors: Edmund Lee Ellsworth, Kim Marie Hutchings, Dai Nguyen, Rajeshwar Singh, Howard Daniel Hollis Showalter
  • Publication number: 20040044012
    Abstract: This invention provides bicyclic heterocycles that are useful for treating cell proliferative disorders, such as cancer and restenosis, as well as angiogenesis and atherosclerosis. We have now discovered a group of bicyclic compounds that are potent inhibitors of cyclin-dependent kinases (cdks), growth factor-mediated kinases, and non-receptor kinases. The compounds are readily synthesized and can be administered by a variety of routes, including orally, and have sufficient bioavailability for clinical use.
    Type: Application
    Filed: August 11, 2003
    Publication date: March 4, 2004
    Inventors: Ellen Myra Dobrusin, James Marino Hamby, James Bernard Kramer, Mel Conrad Schroeder, Howard Daniel Hollis Showalter, Peter Toogood, Susanne A. Trumpp-Kallmeyer
  • Patent number: 6683183
    Abstract: This invention relates to bicyclic heterocycles that inhibit cyclin-dependent kinase or tyrosine kinase enzymes, or both, and as such are useful to treat cell proliferative disorders such as angiogenesis, atherosclerosis, restenosis, and cancer as well as immunological disorders such as asthma, rheumatoid arthritis, autoimmune diabetes, and graft rejection associated with transplant surgery in mammals.
    Type: Grant
    Filed: October 3, 2001
    Date of Patent: January 27, 2004
    Assignee: Warner-Lambert Company
    Inventors: James Bernard Kramer, Howard Daniel Hollis Showalter
  • Patent number: 6602863
    Abstract: The present invention provides compounds that are irreversible inhibitors of tyrosine kinases. Also provided is a method of treating cancer, restenosis, atherosclerosis, endometriosis, and psoriasis and a pharmaceutical composition that comprises a compound that is an irreversible inhibitor of tyrosine kinases.
    Type: Grant
    Filed: September 27, 2000
    Date of Patent: August 5, 2003
    Assignee: Warner-Lambert Company
    Inventors: Alexander James Bridges, William Alexander Denny, Ellen Myra Dobrusin, Annette Marian Doherty, David William Fry, Dennis Joseph McNamara, Howard Daniel Hollis Showalter, Jeffrey B. Smaill, Hairong Zhou
  • Patent number: 6596726
    Abstract: Described are compounds of the following formula and a method of inhibiting epidermal growth factor by treating, with an effective inhibiting amount, a mammal, in need thereof, a compound of the formula: wherein the formula terms are described in the specification and wherein the members in the aforementioned structure are defined in the specification.
    Type: Grant
    Filed: March 6, 1997
    Date of Patent: July 22, 2003
    Assignee: Warner Lambert Company
    Inventors: Alexander James Bridges, William Alexander Denny, David Fry, Alan Kraker, Robert Frederick Meyer, Gordon William Rewcastle, Andrew Mark Thompson, Howard Daniel Hollis Showalter
  • Publication number: 20030130286
    Abstract: Disclosed are compounds of Formulae (Ia), (Ib), (Ic), (Id) wherein: W is NH, S, SO, or SO2; R2 is (un)substituted aryl, (un)substituted heteroaryl, or (un)substituted carbocycle or heterocycle; Q is hydrogen or lower alkyl; R4 and R6 are the same or different and represent hydrogen, halogen, lower alkyl, lower alkoxy, (un)substituted aryl, (un)substituted heteroaryl, (un)substituted arylalkyl or (un)substituted heteroarylalkyl; and R8 is hydrogen, lower alkyl or an (un)substituted carbocyclic group containing from 3-7 members, up to two of which members are optionally hetero atoms selected from oxygen and nitrogen; or R8 is (un)substituted aryl, (un)substituted heteroaryl, (un)substituted arylalkyl or (un)substituted heteroarylalkyl. These compounds are useful for treating cell proliferative disorders, such as cancer and restenosis. These compounds are potent inhibitors of cyclin-dependent kinases (cdks) and growth factor-mediated kinases.
    Type: Application
    Filed: March 6, 2002
    Publication date: July 10, 2003
    Inventors: William Alexander Denny, Gordon William Rewcastle, Ellen Dobrusin, James Bernard Kramer, Dennis Joseph McNamara, Howard Daniel Hollis Showalter, Peter Laurence Toogood
  • Publication number: 20030114458
    Abstract: The present invention provides compounds of Formula (I): 1
    Type: Application
    Filed: May 29, 2002
    Publication date: June 19, 2003
    Inventors: Edmund Lee Ellsworth, Howard Daniel Hollis Showalter
  • Publication number: 20030114666
    Abstract: The present invention provides compounds of formula (I): 1
    Type: Application
    Filed: June 18, 2002
    Publication date: June 19, 2003
    Inventors: Edmund Lee Ellsworth, James Alan Kerschen, Sharon Anne Powell, Joseph Peter Sanchez, Howard Daniel Hollis Showalter, Michael Andrew Stier, Tuan Phong Tran
  • Publication number: 20020061865
    Abstract: This invention relates to bicyclic heterocycles that inhibit cyclin-dependent kinase or tyrosine kinase enzymes, or both, and as such are useful to treat cell proliferative disorders such as angiogenesis, atherosclerosis, restenosis, and cancer as well as immunological disorders such as asthma, rheumatoid arthritis, autoimmune diabetes, and graft rejection associated with transplant surgery in mammals.
    Type: Application
    Filed: October 3, 2001
    Publication date: May 23, 2002
    Inventors: James Bernard Kramer, Howard Daniel Hollis Showalter