Patents by Inventor Cristina Visintin

Cristina Visintin 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: 20160107984
    Abstract: The present disclosure relates to a compound of formula (I), or a pharmaceutically acceptable salt thereof, wherein Z is selected from OH, NHCH2CH2F, NHCH(Me)CH2OH and NHCH2CH2OH; X is an alkylene, alkenylene, or alkynylene group, each of which may be optionally substituted by one or more substituents selected from alkyl, COOH, CO2-alkyl, alkenyl, CN, NH2, hydroxy, halo, alkoxy, CF3 and nitro; Y is a polar functional group selected from OH, NO2, CN, COR3, COOR3, NR3R4, CONR3R4, SO3H, SO2—R3, SO2NR3R4 and CF3, where each of R3 and R4 is independently H or a hydrocarbyl group; A is phenyl or pyridyl; and B is (CH2)n where n is 0; with the proviso that: (i) when A is phenyl, and Z is OH, X—Y is other than C?C—(CH2)2CO2H, C?C—(CH2)2CO2Me, (CH2)4CO2H. Uses of such compounds as medicaments for the treatment of a muscular disorder, a gastrointestinal disorder, or for controlling spasticity or tremors are provided.
    Type: Application
    Filed: July 27, 2015
    Publication date: April 21, 2016
    Inventors: Masahiro OKUYAMA, David SELWOOD, Cristina VISINTIN, David BAKER, Gareth PRYCE
  • Patent number: 9120723
    Abstract: The present disclosure relates to a compound of formula (I), or a pharmaceutically acceptable salt thereof, wherein Z is selected from OH, NHCH2CH2F, NHCH(Me)CH2OH and NHCH2CH2OH; X is an alkylene, alkenylene, or alkynylene group, each of which may be optionally substituted by one or more substituents selected from alkyl, COOH, CO2-alkyl, alkenyl, CN, NH2, hydroxy, halo, alkoxy, CF3 and nitro; Y is a polar functional group selected from OH, NO2, CN, COR3, COOR3, NR3R4, CONR3R4, SO3H, SO2—R3, SO2NR3R4 and CF3, where each of R3 and R4 is independently H or a hydrocarbyl group; A is phenyl or pyridyl; and B is (CH2)n where n is 0; with the proviso that: (i) when A is phenyl, and Z is OH, X—Y is other than C?C—(CH2)2CO2H, C?C—(CH2)2CO2Me, (CH2)4CO2H. Uses of such compounds as medicaments for the treatment of a muscular disorder, a gastrointestinal disorder, or for controlling spasticity or tremors are provided.
    Type: Grant
    Filed: October 18, 2012
    Date of Patent: September 1, 2015
    Assignee: CANBEX THERAPEUTICS LIMITED
    Inventors: Masahiro Okuyama, David Selwood, Cristina Visintin, David Baker, Gareth Pryce
  • Publication number: 20130123356
    Abstract: The present invention relates to a compound of formula (I), or a pharmaceutically acceptable salt thereof,
    Type: Application
    Filed: October 18, 2012
    Publication date: May 16, 2013
    Applicant: UNIVERSITY COLLEGE LONDON
    Inventors: Masahiro Okuyama, David Selwood, Cristina Visintin, David Baker, Gareth Pryce
  • Patent number: 8293796
    Abstract: The present invention relates to a compound of formula (I), or a pharmaceutically acceptable salt thereof, wherein Z is OR1 or NR1R2 wherein each of R1 and R2 is independently H, or a hydrocarbyl group; X is an alkylene, alkenylene, or alkynylene group, each of which may be optionally substituted by one or more substituents selected from alkyl, COOH, CO2-alkyl, alkenyl, CN, NH2, hydroxy, halo, alkoxy, CF3 and nitro; Y is a polar functional group selected from OH, NO2, CN, COR3, COOR3, NR3R4, CONR3R4, SO3H, SO2—R3, SO2NR3R4 and CF3, where each of R3 and R4 is independently H or a hydrocarbyl group; A is an aryl or heteroaryl group, each of which may be optionally substituted; and B is (CH2)n where n is 0, 1, 2, 3, 4 or 5; with the proviso that: (i) when A is phenyl, n is 0, and Z is OH, X—Y is other than meta-C?—C—(CH2)2CO2H, meta-C?—C—(CH2)2OH, meta-C?C—(CH2)2CO2Me, meta-(CH2)4CO2H, ortho-CH2CO2H, ortho-(CH2)2CO2H and ortho-(CH2)4CO2H; and (ii) when A is phenyl, n is 0, and Z is OMe, X—Y is other than meta-C?
    Type: Grant
    Filed: February 18, 2010
    Date of Patent: October 23, 2012
    Assignee: University College London
    Inventors: Masahiro Okuyama, David Selwood, Cristina Visintin, David Baker, Gareth Pryce
  • Publication number: 20100144876
    Abstract: The present invention relates to a compound of formula (I), or a pharmaceutically acceptable salt thereof, wherein Z is OR1 or NR1R2 wherein each of R1 and R2 is independently H, or a hydrocarbyl group; X is an alkylene, alkenylene, or alkynylene group, each of which may be optionally substituted by one or more substituents selected from alkyl, COOH, CO2-alkyl, alkenyl, CN, NH2, hydroxy, halo, alkoxy, CF3 and nitro; Y is a polar functional group selected from OH, NO2, CN, COR3, COOR3, NR3R4, CONR3R4, SO3H, SO2—R3, SO2NR3R4 and CF3, where each of R3 and R4 is independently H or a hydrocarbyl group; A is an aryl or heteroaryl group, each of which may be optionally substituted; and B is (CH2)n where n is 0, 1, 2, 3, 4 or 5; with the proviso that: (i) when A is phenyl, n is 0, and Z is OH, X—Y is other than meta-C?—C—(CH2)2CO2H, meta-C?—C—(CH2)2OH, meta-C?C—(CH2)2CO2Me, meta-(CH2)4CO2H, ortho-CH2CO2H, ortho-(CH2)2CO2H and ortho-(CH2)4CO2H; and (ii) when A is phenyl, n is 0, and Z is OMe, X—Y is other than meta-C?
    Type: Application
    Filed: February 18, 2010
    Publication date: June 10, 2010
    Applicant: UNIVERSITY COLLEGE LONDON
    Inventors: Masahiro Okuyama, David Selwood, Cristina Visintin, David Baker, Gareth Pryce
  • Patent number: 7696382
    Abstract: The present invention relates to a compound of formula (I), or a pharmaceutically acceptable salt thereof, wherein Z is OR1 or NR1R2 wherein each of R1 and R2 is independently H, or a hydrocarbyl group; X is an alkylene, alkenylene, or alkynylene group, each of which may be optionally substituted by one or more substituents selected from alkyl, COOH, CO2-alkyl, alkenyl, CN, NH2, hydroxy, halo, alkoxy, CF3 and nitro; Y is a polar functional group selected from OH, NO2, CN, COR3, COOR3, NR3R4, CONR3R4, SO3H, SO2—R3, SO2NR3R4 and CF3, where each of R3 and R4 is independently H or a hydrocarbyl group; A is an aryl or heteroaryl group, each of which may be optionally substituted; and B is (CH2)n where n is 0, 1, 2, 3, 4 or 5; with the proviso that: (i) when A is phenyl, n is 0, and Z is OH, X—Y is other than meta-C?—C—(CH2)2CO2H, meta-C?—C—(CH2)2OH, meta-C?C—(CH2)2CO2Me, meta-(CH2)4CO2H, ortho-CH2CO2H, ortho-(CH2)2CO2H and ortho-(CH2)4CO2H; and (ii) when A is phenyl, n is 0, and Z is OMe, X—Y is other than meta-C?
    Type: Grant
    Filed: February 21, 2005
    Date of Patent: April 13, 2010
    Assignee: University College London
    Inventors: Masahiro Okuyama, David Selwood, Cristina Visintin, David Baker, Gareth Pryce
  • Publication number: 20080262011
    Abstract: The present invention relates to a compound of formula I, or a pharmaceutically acceptable salt thereof. Formula (I), wherein R1 and R2 are each independently H or alkyl; Y is an alkyl group. CONR3R4, COOR5SO2NR16R17, NHSO2R18 or CN; X is an aryl or heteroaryl group, each of which may be optionally substituted with one or more substituents selected from (CH2)mZ where Z is halogen, OH, CN, alkyl, alkoxy, NO2, CF3, CONR6R7, CN, NR8R9, COOR10 or NHCOR11 and m is 0 to 3; R3 to R11 are each independently H, alkyl or aryl, wherein said alkyl and aryl groups are optionally substituted by one or more substituents selected from halogen, OH, CN, alkyl, alkoxy, NO2, CF3, CONR12R13, CN, NH2, COOR14, NHCOR15, and CN; R12 to R18 are each independently H or alkyl, more preferably H or Me; n is 1 to 6; wherein the compound is other than 3?,5?-dimethyl-4-(1,1-dimethylheptyl)-1,1?-biphenyl-2-ol.
    Type: Application
    Filed: December 21, 2005
    Publication date: October 23, 2008
    Inventors: David Selwood, Cristina Visintin, David Baker, Gareth Pryce, Masahiro Okuyama
  • Publication number: 20080139493
    Abstract: The invention relates to compounds of formula I, or pharmaceutically acceptable salts thereof, wherein X1, X2 and X3 are each independently where Y is an alkylene, alkenylene or alkynylene group, each of which may be optionally substituted with one or more substituents selected from alkyl, halo, CF3, OH, alkoxy, NH2, CN, NO2 and COOH; W is absent or is O, S or NH; R1, R2, R3 and R4 are each independently selected from H, alkyl, aryl and a protecting group P1; R7, R8 and R9 are each independently selected from H, alkyl, halo, CF3, OH, alkoxy, NH2, CN, NO2 and COOH; q and r are each independently 1, 2, 3 or 4; q? and r? are each independently 0, 1, 2 or 3, where q+q? and r+r? each equal 4; p is 1, 2, 3, 4 or 5, and p? is 0, 1, 2, 3 or 4, where p+p? is 5; n is 0, 1, 2, 3 . . .
    Type: Application
    Filed: June 17, 2005
    Publication date: June 12, 2008
    Inventors: David Selwood, Cristina Visintin, Heike Laman, Masahiro Okuyama
  • Publication number: 20080114062
    Abstract: The present invention relates to a compound of formula (I), or a pharmaceutically acceptable salt thereof, wherein Z is OR1 or NR1R2 wherein each of R1 and R2 is independently H, or a hydrocarbyl group; X is an alkylene, alkenylene, or alkynylene group, each of which may be optionally substituted by one or more substituents selected from alkyl, COOH, CO2-alkyl, alkenyl, CN, NH2, hydroxy, halo, alkoxy, CF3 and nitro; Y is a polar functional group selected from OH, NO2, CN, COR3, COOR3, NR3R4, CONR3R4, SO3H, SO2—R3, SO2NR3R4 and CF3, where each of R3 and R4 is independently H or a hydrocarbyl group; A is an aryl or heteroaryl group, each of which may be optionally substituted; and B is (CH2)n where n is 0, 1, 2, 3, 4 or 5; with the proviso that: (i) when A is phenyl, n is 0, and Z is OH, X—Y is other than meta-C?—C—(CH2)2CO2H, meta-C?—C—(CH2)2OH, meta-C?C—(CH2)2CO2Me, meta-(CH2)4CO2H, ortho-CH2CO2H, ortho-(CH2)2CO2H and ortho-(CH2)4CO2H; and (ii) when A is phenyl, n is 0, and Z is OMe, X—Y is other than meta-C?
    Type: Application
    Filed: February 21, 2005
    Publication date: May 15, 2008
    Applicant: UNIVERSITY COLLEGE LONDON Wolfson Institute for Biomedical Research
    Inventors: Masahiro Okuyama, David Selwood, Cristina Visintin, David Baker, Gareth Pryce