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).
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Patent number: 11148998Abstract: 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: GrantFiled: May 23, 2018Date of Patent: October 19, 2021Assignee: The Regents of the University of MichiganInventors: James Varani, Hollis Showalter, Andy White, Kent J. Johnson
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Publication number: 20180339961Abstract: 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: ApplicationFiled: May 23, 2018Publication date: November 29, 2018Inventors: James Varani, Hollis Showalter, Andy White, Kent J. Johnson
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Patent number: 9394303Abstract: 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: GrantFiled: April 3, 2015Date of Patent: July 19, 2016Assignee: THE REGENTS OF THE UNIVERSITY OF MICHIGANInventors: Zaneta Nikolovska-Coleska, Fardokht Abulwerdi, Hollis Showalter, Lei Miao, Jeanne Stuckey, Ahmed Mady
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Publication number: 20150284387Abstract: 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: ApplicationFiled: April 3, 2015Publication date: October 8, 2015Inventors: Zaneta Nikolovska-Coleska, Fardokht Abulwerdi, Hollis Showalter, Lei Miao, Jeanne Stuckey, Ahmed Mady
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Patent number: 8293776Abstract: 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: GrantFiled: August 5, 2009Date of Patent: October 23, 2012Assignee: The Regents of the University of MichiganInventors: Daniel H. Teitelbaum, Hollis Showalter, Scott Larsen, Peter Lucas, Hiroyuki Koga
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Patent number: 7786131Abstract: 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: GrantFiled: May 20, 2003Date of Patent: August 31, 2010Assignee: Warner-Lambert CompanyInventors: 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
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Publication number: 20100035852Abstract: 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: ApplicationFiled: August 5, 2009Publication date: February 11, 2010Applicant: THE REGENTS OF THE UNIVERSITY OF MICHIGANInventors: Daniel H. Teitelbaum, Hollis Showalter, Scott Larsen, Peter Lucas, Hiroyuki Koga
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Patent number: 7582627Abstract: 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: GrantFiled: June 13, 2006Date of Patent: September 1, 2009Assignee: Warner-Lambert CompanyInventors: 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
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Patent number: 7501425Abstract: 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: GrantFiled: May 10, 1999Date of Patent: March 10, 2009Assignee: Warner Lambert CompanyInventors: Ellen Myra Dobrusin, James Marino Hamby, James Bernard Kramer, Mel Conrad Schroeder, Howard Daniel Hollis Showalter, Peter Toogood, Susanne A. Trumpp-Kallmeyer
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Patent number: 7169778Abstract: 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: GrantFiled: June 21, 2000Date of Patent: January 30, 2007Assignee: Warner-Lambert CompanyInventors: William Alexander Denny, Gordon William Rewcastle, Ellen Dobrusin, James Bernard Kramer, Dennis Joseph McNamara, Howard Daniel Hollis Showalter, Peter Laurence Toogood
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Patent number: 7094780Abstract: 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: GrantFiled: December 12, 2000Date of Patent: August 22, 2006Assignee: Warner Lambert Company LLCInventors: 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
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Patent number: 6864259Abstract: 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: GrantFiled: May 29, 2002Date of Patent: March 8, 2005Assignee: Warner-Lambert CompanyInventors: Edmund Lee Ellsworth, Kim Marie Hutchings, Dai Nguyen, Rajeshwar Singh, Howard Daniel Hollis Showalter
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Publication number: 20040044012Abstract: 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: ApplicationFiled: August 11, 2003Publication date: March 4, 2004Inventors: Ellen Myra Dobrusin, James Marino Hamby, James Bernard Kramer, Mel Conrad Schroeder, Howard Daniel Hollis Showalter, Peter Toogood, Susanne A. Trumpp-Kallmeyer
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Patent number: 6683183Abstract: 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: GrantFiled: October 3, 2001Date of Patent: January 27, 2004Assignee: Warner-Lambert CompanyInventors: James Bernard Kramer, Howard Daniel Hollis Showalter
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Patent number: 6602863Abstract: 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: GrantFiled: September 27, 2000Date of Patent: August 5, 2003Assignee: Warner-Lambert CompanyInventors: 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
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Patent number: 6596726Abstract: 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: GrantFiled: March 6, 1997Date of Patent: July 22, 2003Assignee: Warner Lambert CompanyInventors: Alexander James Bridges, William Alexander Denny, David Fry, Alan Kraker, Robert Frederick Meyer, Gordon William Rewcastle, Andrew Mark Thompson, Howard Daniel Hollis Showalter
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Publication number: 20030130286Abstract: 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: ApplicationFiled: March 6, 2002Publication date: July 10, 2003Inventors: William Alexander Denny, Gordon William Rewcastle, Ellen Dobrusin, James Bernard Kramer, Dennis Joseph McNamara, Howard Daniel Hollis Showalter, Peter Laurence Toogood
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Publication number: 20030114458Abstract: The present invention provides compounds of Formula (I): 1Type: ApplicationFiled: May 29, 2002Publication date: June 19, 2003Inventors: Edmund Lee Ellsworth, Howard Daniel Hollis Showalter
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Publication number: 20030114666Abstract: The present invention provides compounds of formula (I): 1Type: ApplicationFiled: June 18, 2002Publication date: June 19, 2003Inventors: Edmund Lee Ellsworth, James Alan Kerschen, Sharon Anne Powell, Joseph Peter Sanchez, Howard Daniel Hollis Showalter, Michael Andrew Stier, Tuan Phong Tran
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Publication number: 20020061865Abstract: 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: ApplicationFiled: October 3, 2001Publication date: May 23, 2002Inventors: James Bernard Kramer, Howard Daniel Hollis Showalter