Patents by Inventor Stephen Neidle

Stephen Neidle 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: 20230212166
    Abstract: The present invention relates to naphthalene diimides, NDIs, and methods of synthesising them. The NDIs have DNA-quadruplex binding and stabilising activity, and potential in treatment of pancreatic, prostate, and other human cancers.
    Type: Application
    Filed: December 27, 2022
    Publication date: July 6, 2023
    Inventors: Stephen Neidle, Richard Angell, Sally Oxenford
  • Patent number: 11560380
    Abstract: The present invention relates to naphthalene diimides, NDIs, and methods of synthesising them. The NDIs have DNA-quadruplex binding and stabilising activity, and potential in treatment of pancreatic, prostate, and other human cancers. The NDIs are a compound of Formula I.
    Type: Grant
    Filed: May 15, 2020
    Date of Patent: January 24, 2023
    Assignee: UCL Business Ltd
    Inventors: Stephen Neidle, Richard Angell, Sally Oxenford
  • Publication number: 20220220108
    Abstract: The present invention relates to naphthalene diimides, NDIs, and methods of synthesising them. The NDIs have DNA-quadruplex binding and stabilising activity, and potential in treatment of pancreatic, prostate, and other human cancers.
    Type: Application
    Filed: May 15, 2020
    Publication date: July 14, 2022
    Inventors: Stephen NEIDLE, Richard ANGELL, Sally OXENFORD
  • Publication number: 20190330197
    Abstract: A compound comprising the formula I that has DNA-quadruplex binding and stabilising activity and potential in treatment of pancreatic and other human cancers.
    Type: Application
    Filed: December 14, 2016
    Publication date: October 31, 2019
    Inventors: Stephen Neidle, Chiara Marchetti, Stephan Alexander Ohnmacht
  • Patent number: 9493460
    Abstract: The invention relates to novel compounds which are naphthalene diimides of general formula (I): The compounds are used in therapy, particularly in cancer treatment.
    Type: Grant
    Filed: March 13, 2013
    Date of Patent: November 15, 2016
    Assignee: UCL BUSINESS PLC
    Inventors: Stephen Neidle, Stephan A. Ohnmacht, Mekala Gunaratnam, Aaron Grainger Dale, Marialuisa Micco, Gavin William Collie
  • Patent number: 9145377
    Abstract: A compound of formula I wherein Ar1 is a bicyclic aryl or heteroaryl, which may be optionally substituted; X and Y are each independently a group of formula II: -L1-Ar2-L2-Ar3-Q-(CH2)n-NR1R2 L1 and L2 are each independently selected from NR3, C2H2, CH2, —O—, —S— and a bond; Ar2 and Ar3 are independently optionally substituted C5 or C6 aryl or heteroaryl; Q is selected from NH(C?O), NR3, S, O; n is an integer from 1 to 5; R1 and R2 are optionally substituted and are independently hydrogen, C1-7 alkyl, C3-20 heterocyclyl, or C5-20 aryl, or R1 and R2, taken together with the nitrogen atom to which they are attached, form a heterocyclic ring having from 3 to 8 ring atoms; R3 is H or C1-7 alkyl.
    Type: Grant
    Filed: April 4, 2012
    Date of Patent: September 29, 2015
    Assignee: University College London
    Inventors: Stephen Neidle, Caterina Maria Lombardo, Sarah Welsh
  • Publication number: 20140275062
    Abstract: The invention relates to novel compounds which are naphthalene diimides of general formula (I): The compounds are used in therapy, particularly in cancer treatment.
    Type: Application
    Filed: March 13, 2013
    Publication date: September 18, 2014
    Inventors: Stephen NEIDLE, Stephan A. OHNMACHT, Mekala GUNARATNAM, Aaron Grainger DALE, Marialuisa MICCO, Gavin William COLLIE
  • Patent number: 8796456
    Abstract: The invention relates to novel compounds which are naphthalene diimides of general formula (I). The compounds are used in therapy, particularly in cancer treatment.
    Type: Grant
    Filed: November 28, 2008
    Date of Patent: August 5, 2014
    Assignee: University College London
    Inventors: Mekala Gunaratnam, Francisco Cuenca, Stephen Neidle
  • Publication number: 20140107168
    Abstract: A compound of formula I wherein Ar1 is a bicyclic aryl or heteroaryl, which may be optionally substituted; X and Y are each independently a group of formula II: -L1-Ar2-L2-Ar3-Q-(CH2)n-NR1R2 L1 and L2 are each independently selected from NR3, C2H2, CH2, —O—, —S— and a bond; Ar2 and Ar3 are independently optionally substituted C5 or C6 aryl or heteroaryl; Q is selected from NH(C?O), NR3, S, O; n is an integer from 1 to 5; R1 and R2 are optionally substituted and are independently hydrogen, C1-7 alkyl, C3-20 heterocyclyl, or C5-20 aryl, or R1 and R2, taken together with the nitrogen atom to which they are attached, form a heterocyclic ring having from 3 to 8 ring atoms; R3 is H or C1-7 alkyl.
    Type: Application
    Filed: April 4, 2012
    Publication date: April 17, 2014
    Applicant: UNIVERSITY COLLEGE LONDON
    Inventors: Stephen Neidle, Caterina Lombardo, Sarah Walsh
  • Publication number: 20100311739
    Abstract: The invention relates to novel compounds which are naphthalene diimides of general formula (I). The compounds are used in therapy, particularly in cancer treatment.
    Type: Application
    Filed: November 28, 2008
    Publication date: December 9, 2010
    Inventors: Mekala Gunaratnam, Francisco Cuenca, Stephen Neidle
  • Publication number: 20080319001
    Abstract: The present invention relates to a 3,6,9 acridine compound and optionally substituted derivatives thereof that may be useful in the treatment of cancer. The invention also provides compositions comprising the compounds and uses thereof. Formula (I) wherein each of R1, R2, R3, R4 and R5 is either fluorine or is not present (i.e. represents a hydrogen atom); n represents 1 or 2.
    Type: Application
    Filed: March 2, 2006
    Publication date: December 25, 2008
    Inventors: Christina Martins, Stephen Neidle, Mekala Gunaratnam, John Stuart, Lloyd Kelland
  • Patent number: 7312082
    Abstract: The present invention relates to a crystal structure of G-quadruplexes and its use. The invention provides a crystal of an intramolecular G-quadruplex structure having a hexagonal space group P6, and unit cell dimensions a=b=56.7 and c=42.1; ?=?=90°, ?=120° and a crystal of G-quadruplex having the three dimensional atomic coordinates of Table 1 or Table 2. These structures may be used in a computer-based method for the analysis of the interaction of a molecular structure with a G-quadruplex.
    Type: Grant
    Filed: April 2, 2003
    Date of Patent: December 25, 2007
    Assignee: Cancer Research Technology Limited
    Inventors: Stephen Neidle, Gary N. Parkinson
  • Patent number: 7300930
    Abstract: The present invention pertains to acridone and acridine compounds of formula (I), wherein either: (a) K is ?O, L is —H, alpha is a single bond, beta is a double bond, gamma is a single bond (acridones); or, (b) K is a 9-substituent, L is absent, alpha is a double bond, beta is a single bond, gamma is a double bond (acridines); and wherein: J1 is a 2- or 3-substituent; J2 is a 6- or 7-substituent; J1 and J2 are each independently a group of the formula —NHCO(CH2)nNR1R2, wherein: n is an integer from 1 to 5; and, R1 and R2 are independently hydrogen, C1-7alkyl, C3-20heterocyclyl, or C5-20aryl, or R1 and R2, taken together with the nitrogen atom to which they are attached, form a heterocyclic ring having from 3 to 8 ring atoms; and wherein, when K is a 9-substituent, K is a group of the formula —N(RN)Q, wherein: RN is an amino substituent and is hydrogen, C1-7alkyl, C3-20heterocyclyl, or C5-20aryl; and, Q is C1-7alkyl, C3-20heterocyclyl, or C5-20aryl, and is optionally substituted; and pharmaceutically acceptabl
    Type: Grant
    Filed: June 22, 2005
    Date of Patent: November 27, 2007
    Assignee: Cancer Research Technology Limited
    Inventors: Stephen Neidle, Richard John Harrison, Lloyd Royston Kelland, Sharon Michele Gowan, Martin Anthony Read, Anthony Reszka
  • Patent number: 7205311
    Abstract: This invention pertains to certain acridone and acridine compounds of the formula which inhibit telomerase, regulate cell proliferation, etc., and/or treat cancer, proliferative conditions, etc.
    Type: Grant
    Filed: January 14, 2003
    Date of Patent: April 17, 2007
    Assignee: Cancer Research Technology Limited
    Inventors: Stephen Neidle, Richard John Harrison, Lloyd Royston Kelland, Sharon Michele Gowan, Martin Anthony Read, Anthony Reszka
  • Patent number: 7160896
    Abstract: The present invention pertains to acridone and acridine compounds of formula (I), wherein either: (a) K is ?O, L is —H, alpha single bond, beta is a double bond, gamma is a single bond (acridones); or, (b) K is a 9-substituent, L is absent, alpha is a double bond, beta is a single bond, gamma is a double bond (acridines); and wherein: J1 is a 2- or 3-substituent; J2 is a 6- or 7-substituent; J1 and J2 are each independently a group of the formula —NHCO(CH2)nNR1R2, wherein: n is an integer from 1 to 5; and, R1 and R2 are independently hydrogen, C1-7alkyl, C3-20heterocyclyl, or C5-20aryl, or R1 and R2, taken together with the nitrogen atom to which they are attached, form a heterocyclic ring having from 3 to 8 ring atoms; and wherein, when K is a 9-substituent, K is a group of the formula —N(RN)Q, wherein: RN is an amino substituent and is hydrogen, C1-7alkyl, C3-20heterocyclyl, or C5-20aryl; and, Q is C1-7alkyl, C3-20heterocyclyl, or C5-20aryl, and is optionally substituted; and pharmaceutically acceptable sal
    Type: Grant
    Filed: July 6, 2001
    Date of Patent: January 9, 2007
    Assignee: Cancer Research Technology Limited
    Inventors: Stephen Neidle, Richard John Harrison, Lloyd Royston Kelland, Sharon Michele Gowan, Martin Anthony Read, Anthony Reskza
  • Publication number: 20060111389
    Abstract: The present invention pertains to acridone and acridine compounds of formula (I), wherein either: (a) K is ?O, L is —H, alpha is a single bond, beta is a double bond, gamma is a single bond (acridones): or, (b) K is a 9-substituent. L is absent, alpha is a double bond, beta is a single bond, gamma is a double bond and wherein: J1 is a 2- or 3-substituent; J2 is a 6- or 7-substituent; J1 and J2 are each independently a group of the formula —NHCO(CH2)nNR1R2, wherein: n is an integer from 1 to 5; and, R1 and R2 are independently hydrogen, C1-7alkyl, C3-20heterocyclyl, or C5-20aryl, or R1 and R2, taken together with the nitrogen atom to which they are attached, form a heterocyclic ring having from 3 to 8 ring atoms; and wherein, when K is a 9-substituent, K is a group of the formula —N(RN)Q, wherein: RN is an amino substituent and is hydrogen.
    Type: Application
    Filed: June 22, 2005
    Publication date: May 25, 2006
    Applicant: Cancer Research Technology Limited
    Inventors: Stephen Neidle, Richard Harrison, Lloyd Kelland, Sharon Gowan, Martin Read, Anthony Reszka
  • Publication number: 20050070568
    Abstract: This invention pertains to certain acridine and acridine compounds of the formula (1) which inhibit telomerase, regulate cell proliteration, etc., and/or treat cancer proliferative conditions, etc.
    Type: Application
    Filed: January 14, 2003
    Publication date: March 31, 2005
    Inventors: Stephen Neidle, Richard Harrison, Lloyd Kelland, Sharon Gowan, Martin Read, Anthony Reszka
  • Publication number: 20040018483
    Abstract: The present invention relates to a crystal structure of G-quadruplexes and its use. The invention provides a crystal of an intramolecular G-quadruplex structure having a hexagonal space group P6, and unit cell dimensions a=b=56.7 and c=42.1; &agr;=&bgr;=90°, &ggr;=120° and a crystal of G-quadruplex having the three dimensional atomic coordinates of Table 1 or Table 2. These structures may be used in a computer-based method for the analysis of the interaction of a molecular structure with a G-quadruplex.
    Type: Application
    Filed: April 2, 2003
    Publication date: January 29, 2004
    Applicant: CANCER RESEARCH TECHNOLOGY LIMITED
    Inventors: Stephen Neidle, Gary N. Parkinson, Michael Pak Ho Lee
  • Publication number: 20030207909
    Abstract: The present invention pertains to acridone and acridine compounds of formula (I), wherein either: (a) K is ═O, L is —H, alpha is a single bond, beta is a double bond, gamma is a single bond (acridones); or, (b) K is a 9-substituent, L is absent, alpha is a double bond, beta is a single bond, gamma is a double bond (acridines); and wherein: J1 is a 2- or 3-substituent; J2 is a 6- or 7-substituent; J1 and J2 are each independently a group of the formula —NHCO(CH2)nNR1R2, wherein: n is an integer from 1 to 5; and, R1 and R2 are independently hydrogen, C1-7alkyl, C3-20heterocyclyl, or C5-20aryl, or R1 and R2, taken together with the nitrogen atom to which they are attached, form a heterocyclic ring having from 3 to 8 ring atoms; and wherein, when K is a 9-substituent.
    Type: Application
    Filed: April 4, 2003
    Publication date: November 6, 2003
    Inventors: Stephen Neidle, Richard John Harrison, Llyod Royston Kelland, Sharon Michele Gowan, Martin Anthony Read, Anthony Reszka
  • Patent number: 6589971
    Abstract: “Head-to-head” bis-benzimidazoles having the following formula wherein A1, A2, X1 and X2 are as defined in the following specification, have been found to bind to specific sequences in the minor groove of duplex DNA, and to have cytotoxic effects against a range of tumor cell lines.
    Type: Grant
    Filed: April 18, 2002
    Date of Patent: July 8, 2003
    Assignees: The Queens University of Belfast, Institute of Cancer Research, The University of Reading
    Inventors: Stephen Neidle, John Monn