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).
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Patent number: 8846737Abstract: 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 R13Type: GrantFiled: August 23, 2010Date of Patent: September 30, 2014Assignee: Sterix LimitedInventors: Lok Wai Lawrence Woo, Christian Bubert, Paul Michael Wood, Aurélien Putey, Atul Purohit, Barry Victor Lloyd Potter
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Patent number: 8691281Abstract: 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: GrantFiled: March 26, 2012Date of Patent: April 8, 2014Assignee: 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
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Publication number: 20140056977Abstract: 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: ApplicationFiled: August 1, 2013Publication date: February 27, 2014Applicant: 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
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Patent number: 8470860Abstract: 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: GrantFiled: July 22, 2010Date of Patent: June 25, 2013Assignee: Sterix LimitedInventors: Lok Wai Lawrence Woo, Toby Jackson, Christian Bubert, Atul Purohit, Michael John Reed, Barry Victor Lloyd Potter
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Publication number: 20120321714Abstract: 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: ApplicationFiled: March 26, 2012Publication date: December 20, 2012Applicant: 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
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Publication number: 20120238550Abstract: 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 R13Type: ApplicationFiled: August 23, 2010Publication date: September 20, 2012Inventors: Lok Wai Lawrence Woo, Christian Bubert, Paul Michael Wood, Aurélien Putey, Atul Purohit, Barry Victor Lloyd Potter
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Patent number: 8148415Abstract: 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: GrantFiled: November 22, 2006Date of Patent: April 3, 2012Assignee: Sterix LimitedInventors: Barry Victor Lloyd Potter, Michael John Reed, Lok Wai Lawrence Woo, Atul Purohit, Christian Burbert, Paul Michael Wood, Oliver Brook Sutcliffe
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Patent number: 8124614Abstract: 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: GrantFiled: September 14, 2007Date of Patent: February 28, 2012Assignee: Sterix LimitedInventors: Barry Victor Lloyd Potter, Michael John Reed, Lok Wai Lawrence Woo
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Patent number: 8093279Abstract: 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: GrantFiled: September 8, 2009Date of Patent: January 10, 2012Inventors: Lok Wai Lawrence Woo, Toby Jackson, Atul Purohit, Michael John Reed, Gillian Reed, legal representative, Barry Victor Lloyd Potter
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Patent number: 8030296Abstract: 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: GrantFiled: March 3, 2006Date of Patent: October 4, 2011Assignee: Sterix LimitedInventors: Barry Victor Lloyd Potter, Michael John Reed, Lok Wai Lawrence Woo, Hatem Hejaz, Bertrand Leblond, Matthew Paul Leese, Atul Purohit
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Patent number: 8022224Abstract: 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: GrantFiled: June 13, 2008Date of Patent: September 20, 2011Assignee: Sterix LimitedInventors: Lok Wai Lawrence Woo, Toby Jackson, Atul Purohit, Michael John Reed, Barry Victor Lloyd Potter
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Patent number: 7968561Abstract: 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: GrantFiled: August 28, 2008Date of Patent: June 28, 2011Assignee: Sterix LimitedInventors: Barry Victor Lloyd Potter, Michael John Reed, Lok Wai Lawrence Woo, Atul Purohit, Paul Foster
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Publication number: 20110021586Abstract: 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: ApplicationFiled: July 22, 2010Publication date: January 27, 2011Applicant: Sterix, LimitedInventors: Lok Wai Lawrence Woo, Toby Jackson, Christian Bubert, Atul Purohit, Michael John Reed, Barry Victory Lloyd Potter
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Patent number: 7763642Abstract: 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: GrantFiled: December 4, 2006Date of Patent: July 27, 2010Assignee: Sterix Ltd.Inventors: Lok Wai Lawrence Woo, Toby Jackson, Christian Bubert, Atul Purohit, Michael John Reed, Barry Victory Lloyd Potter
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Publication number: 20100173963Abstract: 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: ApplicationFiled: September 8, 2009Publication date: July 8, 2010Inventors: Lok Wai Lawrence Woo, Toby Jackson, Atul Purohit, Michael John Reed, Barry Victor Lloyd Potter, Gillin Reed
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Patent number: 7745472Abstract: 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: GrantFiled: March 27, 2008Date of Patent: June 29, 2010Assignee: Sterix LimitedInventors: Barry Victor Lloyd Potter, Lok Wai Lawrence Woo, Atul Purohit, Michael John Reed, Oliver Brook Sutcliffe, Christian Bubert
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Publication number: 20100105764Abstract: 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: ApplicationFiled: June 1, 2009Publication date: April 29, 2010Inventors: Michael John Reed, Atul Purohit, Paul Alexander Foster, Simon Paul Newman, Lok Wai Lawrence Woo, Barry Victor Lloyd Potter, Gillian Reed
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Publication number: 20090182000Abstract: 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: ApplicationFiled: August 28, 2008Publication date: July 16, 2009Inventors: Barry Victor Lloyd Potter, Michael John Reed, Lok Wai Lawrence Woo, Atul Purohit, Paul Foster
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Publication number: 20090111862Abstract: 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: ApplicationFiled: March 27, 2008Publication date: April 30, 2009Inventors: Barry Victor Lloyd POTTER, Lok Wai Lawrence Woo, Atul Purohit, Michael John Reed, Oliver Brook Sutcliffe, Christian Bubert
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Publication number: 20080319037Abstract: 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: ApplicationFiled: June 13, 2008Publication date: December 25, 2008Inventors: Lok Wai Lawrence Woo, Toby Jackson, Atul Purohit, Michael John Reed, Barry Victor Lloyd Potter