Patents by Inventor Lok Wai Lawrence Woo

Lok Wai Lawrence Woo 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: 8846737
    Abstract: There is provided a compound of formula I wherein Z is selected from N and CR22, wherein R22 is H or a bond with D; wherein D is selected from a bond, C?O, and linear or branched hydrocarbon groups having a carbon chain of from 1 to 6 carbon atoms, wherein the carbon chain optionally contains an oxy group (?O), an ether (—O—) or thioether (—S—) link, wherein R1 is selected from: triazolyl, imidazolyl, pyrimidinyl radical wherein each of R2 to R6 is independently selected from —H, NO2, halo, —CN, —N[(C?O)0-1R12][(C?O)0-1R13] and —(CH2)0-1R14, or two adjacent groups of R2 to R6, together with the carbon atoms to which they are attached, form a ring, wherein at least one of R2 to R6 is —CN, wherein (i) at least one of R2 to R6 is —(CH2)0-1R14, or (ii) at least one of R2 to R6 is —N[(C?O)0-1R12][(C?O)0-1R13], or (iii) at least two adjacent groups of R2 to R6 together with the carbon atoms to which they are attached, form a ring, or (iv) at least one of R2 to R6 is —(CH2)0-1—O—R?14, wherein R12 and R13
    Type: Grant
    Filed: August 23, 2010
    Date of Patent: September 30, 2014
    Assignee: Sterix Limited
    Inventors: Lok Wai Lawrence Woo, Christian Bubert, Paul Michael Wood, Aurélien Putey, Atul Purohit, Barry Victor Lloyd Potter
  • Patent number: 8691281
    Abstract: The present invention relates to a solid pharmaceutical composition including the active principle 6-oxo-6,7,8,9,10,11-hexahydrocyclohepta[c]chromen-3-yl sulfamate. The present invention also relates to polymorphs of the 6-oxo-6,7,8,9,10,11-hexahydrocyclohepta[c]chromen-3-yl sulfamate compound.
    Type: Grant
    Filed: March 26, 2012
    Date of Patent: April 8, 2014
    Assignee: Ipsen Pharma S.A.S.
    Inventors: Delphine Delahaye, Christian Diolez, Alain Rolland, Francis Diancourt, Gérard Coquerel, Damien Martins, Barry Victor Lloyd Potter, Lok Wai Lawrence Woo
  • Publication number: 20140056977
    Abstract: The present invention relates to a solid pharmaceutical composition including the active principle 6-oxo-6,7,8,9,10,11-hexahydrocyclohepta[c]chromen-3-yl sulfamate. The present invention also relates to polymorphs of the 6-oxo-6,7,8,9,10,11-hexahydrocyclohepta[c]chromen-3-yl sulfamate compound.
    Type: Application
    Filed: August 1, 2013
    Publication date: February 27, 2014
    Applicant: Ipsen Pharma S.A.S.
    Inventors: Nathalie MONDOLY, Bertrand Poirot, Anne Brochard, Joël Richard, Delphine Delahaye, Christian Diolez, Alain Rolland, Francis Diancourt, Gérard Coquerel, Damien Martins, Julie Linol, Ophélie Houssin, Marie-Noêlle Petit, Barry, Victor, Lloyd Potter, Lok, Wai Lawrence Woo
  • Patent number: 8470860
    Abstract: There is provided a compound of Formula I wherein X, Y and Z are each independently of each other an optional linker group; R1 is a ring system; R2 is selected from hydrocarbyl groups, oxyhydrocarbyl groups, cyano (—CN), nitro (—NO2) and halogens; R3 and R4 are independently selected from H and hydrocarbyl, ring A and B are independently optionally further substituted.
    Type: Grant
    Filed: July 22, 2010
    Date of Patent: June 25, 2013
    Assignee: Sterix Limited
    Inventors: Lok Wai Lawrence Woo, Toby Jackson, Christian Bubert, Atul Purohit, Michael John Reed, Barry Victor Lloyd Potter
  • Publication number: 20120321714
    Abstract: The present invention relates to a solid pharmaceutical composition including the active principle 6-oxo-6,7,8,9,10,11-hexahydrocyclohepta[c]chromen-3-yl sulfamate. The present invention also relates to polymorphs of the 6-oxo-6,7,8,9,10,11-hexahydrocyclohepta[c]chromen-3-yl sulfamate compound.
    Type: Application
    Filed: March 26, 2012
    Publication date: December 20, 2012
    Applicant: Ipsen Pharma S.A.S.
    Inventors: Nathalie MONDOLY, Bertrand Poirot, Anne Brochard, Joël Richard, Delphine Delahaye, Christian Diolez, Alain Rolland, Francis Diancourt, Gérard Coquerel, Damien Martins, Julie Linol, Marie-Noêlle Petit, Barry Victor Llyod Potter, Lok, Wai Lawrence Woo
  • Publication number: 20120238550
    Abstract: There is provided a compound of formula I wherein Z is selected from N and CR22, wherein R22 is H or a bond with D; wherein D is selected from a bond, C?O, and linear or branched hydrocarbon groups having a carbon chain of from 1 to 6 carbon atoms, wherein the carbon chain optionally contains an oxy group (?O), an ether (—O—) or thioether (—S—) link, wherein R1 is selected from: triazolyl, imidazolyl, pyrimidinyl radical wherein each of R2 to R6 is independently selected from —H, NO2, halo, —CN, —N[(C?O)0-1R12][(C?O)0-1R13] and —(CH2)0-1R14, or two adjacent groups of R2 to R6, together with the carbon atoms to which they are attached, form a ring, wherein at least one of R2 to R6 is —CN, wherein (i) at least one of R2 to R6 is —(CH2)0-1R14, or (ii) at least one of R2 to R6 is —N[(C?O)0-1R12][(C?O)0-1R13], or (iii) at least two adjacent groups of R2 to R6 together with the carbon atoms to which they are attached, form a ring, or (iv) at least one of R2 to R6 is —(CH2)0-1—O—R?14, wherein R12 and R13
    Type: Application
    Filed: August 23, 2010
    Publication date: September 20, 2012
    Inventors: Lok Wai Lawrence Woo, Christian Bubert, Paul Michael Wood, Aurélien Putey, Atul Purohit, Barry Victor Lloyd Potter
  • Patent number: 8148415
    Abstract: The present invention relates to steroid sulphatase and/or aromatase inhibitors of Formula III or Formula IV, wherein A is selected from H, OH, halogen and hydrocarbyl; D, E and F are each independently of each other an optional linker group; P, Q and R are independently of each other a ring system, wherein R4 and R5 are independently selected from H, alkyl, cycloalkyl, alkenyl, acyl and aryl, or combinations thereof, or together represent alkylene, wherein the or each alkyl or cycloalkyl or alkenyl or optionally contain one or more hetero atoms or groups, and which can be used in medicine.
    Type: Grant
    Filed: November 22, 2006
    Date of Patent: April 3, 2012
    Assignee: Sterix Limited
    Inventors: Barry Victor Lloyd Potter, Michael John Reed, Lok Wai Lawrence Woo, Atul Purohit, Christian Burbert, Paul Michael Wood, Oliver Brook Sutcliffe
  • Patent number: 8124614
    Abstract: There is provided a compound having Formula (I) wherein G is H or a substituent, and wherein R1 is any one of a sulphamate group, a phosphonate group, a thiophosphonate group, a sulphonate group or a sulphonamide group, capable of inhibiting steroid sulphatase.
    Type: Grant
    Filed: September 14, 2007
    Date of Patent: February 28, 2012
    Assignee: Sterix Limited
    Inventors: Barry Victor Lloyd Potter, Michael John Reed, Lok Wai Lawrence Woo
  • Patent number: 8093279
    Abstract: There is provided a compound of Formula I wherein R3, R4, R5, R6 and R7 are independently selected from H and —Y—R8; wherein each R8 is independently selected from —OH, hydrocarbyl groups, oxyhydrocarbyl groups, cyano (—CN), nitro (—NO2), H-bond acceptors, and halogens; wherein at least one of R3, R4, R5, R6 and R7 is —Y—R8 wherein R8 is selected from substituted and unsubstituted heterocyclic rings and amino substituted phenyl groups, wherein X is a bond or a linker group; wherein Y is an optional linker group; and wherein ring A is optionally further substituted; wherein R9 is selected from H, —OH and —OSO2NR1R2; wherein R1 and R2 are independently selected from H and hydrocarbyl; wherein (a) X is a bond and at least one of R3, R4, R5, R6 and R7 is —Y—R8; OR (b) R9 is —OSO2NR1R2 or —OH and four of R3, R4, R5, R6 and R7 are H and one of R3, R4, R5, R6 and R7 is —Y—R8.
    Type: Grant
    Filed: September 8, 2009
    Date of Patent: January 10, 2012
    Inventors: Lok Wai Lawrence Woo, Toby Jackson, Atul Purohit, Michael John Reed, Gillian Reed, legal representative, Barry Victor Lloyd Potter
  • Patent number: 8030296
    Abstract: There is provided a compound of Formula I wherein X is a ring system; R1 is any one of a sulphamate group, a phosphonate group, a thiophosphonate group, a sulphonate group or a sulphonamide group; R2 is any one of a sulphamate group, a phosphonate group, a thiophosphonate group, a sulphonate group or a sulphonamide group; wherein when X is a steroidal structure and both of R1 and R2 are sulphamate groups, the steroidal ring system (X) represents an oestrogen; and wherein said compound is capable of inhibiting steroid sulphatase (STS) activity and/or is capable of acting as a modulator of cell cycling and/or as a modulator of apoptosis and/or as a modulator of cell growth.
    Type: Grant
    Filed: March 3, 2006
    Date of Patent: October 4, 2011
    Assignee: Sterix Limited
    Inventors: Barry Victor Lloyd Potter, Michael John Reed, Lok Wai Lawrence Woo, Hatem Hejaz, Bertrand Leblond, Matthew Paul Leese, Atul Purohit
  • Patent number: 8022224
    Abstract: There is provided a compound of Formula I wherein R3, R4, R5, R6 and R7 are independently selected from H and —Y—R8; wherein each R8 is independently selected from —OH, hydrocarbyl groups, oxyhydrocarbyl groups, cyano (—CN), nitro (—NO2), H-bond acceptors, and halogens; wherein at least one of R3, R4, R5, R6 and R7 is —Y—R8 wherein R8 is selected from substituted and unsubstituted heterocyclic rings and amino substituted phenyl groups, wherein X is a bond or a linker group; wherein Y is an optional linker group; and wherein ring A is optionally further substituted; wherein R9 is selected from H, —OH and —OSO2NR1R2; wherein R1 and R2 are independently selected from H and hydrocarbyl; wherein (a) X is a bond and at least one of R3, R4, R5, R6 and R7 is —Y—R8; OR (b) R9 is —OSO2NR1R2 or —OH and four of R3, R4, R5, R6 and R7 are H and one of R3, R4, R5, R6 and R7 is —Y—R8. These compounds inhibit steroid sulphatase and aromatase activity and are useful in the treatment of endocrine-dependent tumors.
    Type: Grant
    Filed: June 13, 2008
    Date of Patent: September 20, 2011
    Assignee: Sterix Limited
    Inventors: Lok Wai Lawrence Woo, Toby Jackson, Atul Purohit, Michael John Reed, Barry Victor Lloyd Potter
  • Patent number: 7968561
    Abstract: There is provided a compound having Formula I wherein G is a fluorocarbyl group, and wherein R1 is any one of a sulphamate group, a phosphonate group, a thiophosphonate group, a sulphonate group or a sulphonamide group.
    Type: Grant
    Filed: August 28, 2008
    Date of Patent: June 28, 2011
    Assignee: Sterix Limited
    Inventors: Barry Victor Lloyd Potter, Michael John Reed, Lok Wai Lawrence Woo, Atul Purohit, Paul Foster
  • Publication number: 20110021586
    Abstract: There is provided a compound of Formula I wherein X, Y and Z are each independently of each other an optional linker group; R1 is a ring system; R2 is selected from hydrocarbyl groups, oxyhydrocarbyl groups, cyano (—CN), nitro (—NO2) and halogens; R3 and R4 are independently selected from H and hydrocarbyl, ring A and B are independently optionally further substituted.
    Type: Application
    Filed: July 22, 2010
    Publication date: January 27, 2011
    Applicant: Sterix, Limited
    Inventors: Lok Wai Lawrence Woo, Toby Jackson, Christian Bubert, Atul Purohit, Michael John Reed, Barry Victory Lloyd Potter
  • Patent number: 7763642
    Abstract: There is provided a compound of Formula I wherein X, Y and Z are each independently of each other an optional linker group; R1 is a ring system; R2 is selected from hydrocarbyl groups, oxyhydrocarbyl groups, cyano (—CN), nitro (—NO2) and halogens; R3 and R4 are independently selected from H and hydrocarbyl, ring A and B are independently optionally further substituted.
    Type: Grant
    Filed: December 4, 2006
    Date of Patent: July 27, 2010
    Assignee: Sterix Ltd.
    Inventors: Lok Wai Lawrence Woo, Toby Jackson, Christian Bubert, Atul Purohit, Michael John Reed, Barry Victory Lloyd Potter
  • Publication number: 20100173963
    Abstract: There is provided a compound of Formula I wherein R3, R4, R5, R6 and R7 are independently selected from H and —Y—R8; wherein each R8 is independently selected from —OH, hydrocarbyl groups, oxyhydrocarbyl groups, cyano (—CN), nitro (—NO2), H-bond acceptors, and halogens; wherein at least one of R3, R4, R5, R6 and R7 is —Y—R8 wherein R8 is selected from substituted and unsubstituted heterocyclic rings and amino substituted phenyl groups, wherein X is a bond or a linker group; wherein Y is an optional linker group; and wherein ring A is optionally further substituted; wherein R9 is selected from H, —OH and —OSO2NR1R2; wherein R1 and R2 are independently selected from H and hydrocarbyl; wherein (a) X is a bond and at least one of R3, R4, R5, R6 and R7 is —Y—R8; OR (b) R9 is —OSO2NR1R2 or —OH and four of R3, R4, R5, R6 and R7 are H and one of R3, R4, R5, R6 and R7 is —Y—R8.
    Type: Application
    Filed: September 8, 2009
    Publication date: July 8, 2010
    Inventors: Lok Wai Lawrence Woo, Toby Jackson, Atul Purohit, Michael John Reed, Barry Victor Lloyd Potter, Gillin Reed
  • Patent number: 7745472
    Abstract: There is provided a compound of Formula I wherein each T is independently selected from H, hydrocarbyl, —F—R, and a bond with one of D, E, P or Q, or together with one of P and Q forms a ring; Z is a suitable atom the valency of which is m; D, E and F are each independently of each other an optional linker group, wherein when Z is nitrogen E is other than CH2 and C?O; P, Q and R are independently of each other a ring system; and at least Q comprises a sulphamate group.
    Type: Grant
    Filed: March 27, 2008
    Date of Patent: June 29, 2010
    Assignee: Sterix Limited
    Inventors: Barry Victor Lloyd Potter, Lok Wai Lawrence Woo, Atul Purohit, Michael John Reed, Oliver Brook Sutcliffe, Christian Bubert
  • USE
    Publication number: 20100105764
    Abstract: There is provided a method for the manufacture of a medicament for the treatment of cancer comprising a compound capable of inhibiting a steroid sulphatase enzyme (E.C.3.1.6.2), wherein the cancer is of a type, in which the cancer cells overexpress aromatase enzyme.
    Type: Application
    Filed: June 1, 2009
    Publication date: April 29, 2010
    Inventors: Michael John Reed, Atul Purohit, Paul Alexander Foster, Simon Paul Newman, Lok Wai Lawrence Woo, Barry Victor Lloyd Potter, Gillian Reed
  • Publication number: 20090182000
    Abstract: There is provided a compound having Formula I wherein G is a fluorocarbyl group, and wherein R1 is any one of a sulphamate group, a phosphonate group, a thiophosphonate group, a sulphonate group or a sulphonamide group.
    Type: Application
    Filed: August 28, 2008
    Publication date: July 16, 2009
    Inventors: Barry Victor Lloyd Potter, Michael John Reed, Lok Wai Lawrence Woo, Atul Purohit, Paul Foster
  • Publication number: 20090111862
    Abstract: There is provided a compound of Formula I wherein each T is independently selected from H, hydrocarbyl, —F—R, and a bond with one of D, E, P or Q, or together with one of P and Q forms a ring; Z is a suitable atom the valency of which is m; D, E and F are each independently of each other an optional linker group, wherein when Z is nitrogen E is other than CH2 and C?O; P, Q and R are independently of each other a ring system; and at least Q comprises a sulphamate group.
    Type: Application
    Filed: March 27, 2008
    Publication date: April 30, 2009
    Inventors: Barry Victor Lloyd POTTER, Lok Wai Lawrence Woo, Atul Purohit, Michael John Reed, Oliver Brook Sutcliffe, Christian Bubert
  • Publication number: 20080319037
    Abstract: There is provided a compound of Formula I wherein R3, R4, R5, R6 and R7 are independently selected from H and —Y—R8; wherein each R8 is independently selected from —OH, hydrocarbyl groups, oxyhydrocarbyl groups, cyano (—CN), nitro (—NO2), H-bond acceptors, and halogens; wherein at least one of R3, R4, R5, R6 and R7 is —Y—R8 wherein R8 is selected from substituted and unsubstituted heterocyclic rings and amino substituted phenyl groups, wherein X is a bond or a linker group; wherein Y is an optional linker group; and wherein ring A is optionally further substituted; wherein R9 is selected from H, —OH and —OSO2NR1R2; wherein R1 and R2 are independently selected from H and hydrocarbyl; wherein (a) X is a bond and at least one of R3, R4, R5, R6 and R7 is —Y—R8; OR (b) R9 is —OSO2NR1R2 or —OH and four of R3, R4, R5, R6 and R7 are H and one of R3, R4, R5, R6 and R7 is —Y—R8. These compounds inhibit steroid sulphatase and aromatase activity and are useful in the treatment of endocrine-dependent tumors.
    Type: Application
    Filed: June 13, 2008
    Publication date: December 25, 2008
    Inventors: Lok Wai Lawrence Woo, Toby Jackson, Atul Purohit, Michael John Reed, Barry Victor Lloyd Potter