Patents by Inventor David Ryall Brown

David Ryall Brown 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).

  • ANTIBACTERIAL AGENTS
    Publication number: 20250179008
    Abstract: Compounds of formula (I) have antibacterial activity: wherein R represents hydrogen or 1, 2 or 3 optional substituents; W is ?C(R1)— or ?N—; R1 is hydrogen or an optional substituent and R2 is hydrogen, methyl, or fluorine; or R1 and R2 taken together are —CH2—, —CH2CH2—, —O—, or, in either orientation, —O—CH2— or —OCH2CH2—; R3 is a radical of formula -(Alk1)m-(Z)p-(Alk2)n-Q wherein m, p and n are independently 0 or 1, provided that at least one of m, p and n is 1, Z is —O—, —S—, —S(O)—, —S(O2)—, —NH—, —N(CH3)—, —N(CH2CH3)—, —C(?O)—, —O—(C?O)—, —C(?O)—O—, or an optionally substituted divalent monocyclic carbocyclic or heterocyclic radical having 3 to 6 ring atoms; or an optionally substituted divalent bicyclic heterocyclic radical having 5 to 10 ring atoms; Alk1 and Alk2 are optionally substituted C1-C6 alkylene, C2-C6 alkenylene, or C2-C6 alkynylene radicals, which may optionally terminate with or be interrupted by —O—, —S—, —S(O)—, —S(O2)—, —NH—, —N(CH3)—, or —N(CH2CH3)—; and Q is hydrogen, halogen, nit
    Type: Application
    Filed: January 27, 2025
    Publication date: June 5, 2025
    Applicant: TAXIS Pharmaceuticals, Inc.
    Inventors: David Ryall Brown, Ian Collins, Lloyd George Czaplewski, David John Haydon
  • COMPOUNDS FOR THE TREATMENT OF BACTERIAL INFECTIONS
    Publication number: 20170305943
    Abstract: Compounds and methods are provided for treating bacterial infections.
    Type: Application
    Filed: May 21, 2015
    Publication date: October 26, 2017
    Applicant: TAXIS Pharmaceuticals, Inc.
    Inventors: David Ryall Brown, Ian Collins, Lloyd George Czaplewski, David John Haydon, Penelope Anne Mayes, Jeffrey Peter Mitchell, James T Palmer, Neil Robert Stokes
  • ANTIBACTERIAL AGENTS
    Publication number: 20150191420
    Abstract: Compounds of formula (I) have antibacterial activity: wherein R represents hydrogen or 1, 2 or 3 optional substituents; W is ?C(R1)—; R1 is hydrogen and R2 is hydrogen, methyl, or fluorine; or R1 and R2 taken together are —CH2—, —CH2CH2, —O—, or, in either orientation, —O—CH2— or —OCH2CH2—; and R3 is a radical of formula (Alk1)m-(Z)p-(Alk2)n-Q.
    Type: Application
    Filed: August 18, 2014
    Publication date: July 9, 2015
    Inventors: David Ryall Brown, Ian Collins, Lloyd George Czaplewski, David John Haydon
  • Antibacterial agents
    Patent number: 8865736
    Abstract: Compounds of formula (I) have antibacterial activity: wherein R represents hydrogen or 1, 2 or 3 optional substituents; W is ?C(R1)—; R1 is hydrogen and R2 is hydrogen, methyl, or fluorine; or R1 and R2 taken together are —CH2—, —CH2CH2, —O—, or, in either orientation, —O—CH2— or —OCH2CH2—; and R3 is a radical of formula -(Alk1)m-(Z)p-(Alk2)n-Q.
    Type: Grant
    Filed: November 28, 2011
    Date of Patent: October 21, 2014
    Assignee: Biota Scientific Pty Ltd
    Inventors: David Ryall Brown, Ian Collins, Lloyd George Czaplewski, David John Haydon
  • ANTIBACTERIAL AGENTS
    Publication number: 20120122918
    Abstract: Compounds of formula (1) have antibacterial activity: wherein R represents hydrogen or 1, 2 or 3 optional substituents; W is ?C(R1)—; R1 is hydrogen and R2 is hydrogen, methyl, or fluorine; or R1 and R2 taken together are —CH2—, —CH2CH2, —O—, or, in either orientation, —O—CH2— or —OCH2CH2—; and R3 is a radical of formula -(Alk1)m-(Z)p-(Alk2)-Q.
    Type: Application
    Filed: November 28, 2011
    Publication date: May 17, 2012
    Applicant: BIOTA SCIENTIFIC MANAGEMENT PTY LTD
    Inventors: David Ryall BROWN, Ian COLLINS, Lloyd George CZAPLEWSKI, David John HAYDON
  • Antibacterial agents
    Patent number: 8088791
    Abstract: Compounds of formula (I) have antibacterial activity: wherein R represents hydrogen or 1, 2 or 3 optional substituents; W is ?C(R1)— or ?N—; R1 is hydrogen or an optional substituent and R2 is hydrogen, methyl, or fluorine; or R1 and R2 taken together are —CH2—, —CH2CH2—, —O—, or, in either orientation, —O—CH2— or —OCH2CH2—; R3 is a radical of formula -(Alk1)m-(Z)p-(Alk2)n-Q wherein m, p and n are independently 0 or 1, provided that at least one of m, p and n is 1, Z is —O—, —S—, —S(O)—, —S(O2)—, —NH—, —N(CH3)—, —N(CH2CH3)—, —C(?O)—, —O—(C?O)—, —C(?O)—O—, or an optionally substituted divalent monocyclic carbocyclic or heterocyclic radical having 3 to 6 ring atoms; or an optionally substituted divalent bicyclic heterocyclic radical having 5 to 10 ring atoms; Alk1 and Alk2 are optionally substituted C1-C6 alkylene, C2-C6 alkenylene, or C2-C6 alkynylene radicals, which may optionally terminate with or be interrupted by —O—, —S—, —S(O)—, —S(O2)—, —NH—, —N(CH3)—, or —N(CH2CH3)—; and Q is hydrogen, halogen, nit
    Type: Grant
    Filed: March 22, 2007
    Date of Patent: January 3, 2012
    Assignee: Biots Scientific Management Pty Ltd
    Inventors: David Ryall Brown, Ian Collins, Lloyd George Czaplewski, David John Haydon
  • ANTIBACTERIAL AGENTS
    Publication number: 20100173933
    Abstract: Compounds of formula (I) have antibacterial activity: wherein R represents hydrogen or 1, 2 or 3 optional substituents; W is ?C(R1)— or ?N—; R1 is hydrogen or an optional substituent and R2 is hydrogen, methyl, or fluorine; or R1 and R2 taken together are —CH2—, —CH2CH2—, —O—, or, in either orientation, —O—CH2— or —OCH2CH2—; R3 is a radical of formula -(Alk1)m-(Z)p-(Alk2)n-Q wherein m, p and n are independently 0 or 1, provided that at least one of m, p and n is 1, Z is —O—, —S—, —S(O)—, —S(O2)—, —NH—, —N(CH3)—, —N(CH2CH3)—, —C(?O)—, —O—(C?O)—, —C(?O)—O—, or an optionally substituted divalent monocyclic carbocyclic or heterocyclic radical having 3 to 6 ring atoms; or an optionally substituted divalent bicyclic heterocyclic radical having 5 to 10 ring atoms; Alk1 and Alk2 are optionally substituted C1-C6 alkylene, C2-C6 alkenylene, or C2-C6 alkynylene radicals, which may optionally terminate with or be interrupted by —O—, —S—, —S(O)—, —S(O2)—, —NH—, —N(CH3)—, or —N(CH2CH3)—; and Q is hydrogen, halogen, nit
    Type: Application
    Filed: March 22, 2007
    Publication date: July 8, 2010
    Applicant: PROLYSIS LTD
    Inventors: David Ryall Brown, Ian Collins, Lloyd George Czaplewski, David John Haydon