Patents by Inventor Jian-Xin Yu

Jian-Xin Yu 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).

  • Derivatives of cyclodextrins, process for their preparation and their use in particular for solubilizing pharmacologically active substances
    Patent number: 8440814
    Abstract: The invention relates to a compound corresponding to general formula (I) wherein n is a whole number from 1-6, m is a whole number equal to 5, 6 or 7, R1 is an OH group, all R1 s are identical, Z is an NHX group, X is a hydrogen atom, and R is a hydrogen atom or a bioidentification element, with the proviso that the compound wherein n=1, m=6, Z=NH2 and R1=OH is excluded.
    Type: Grant
    Filed: May 19, 2009
    Date of Patent: May 14, 2013
    Assignees: Centre National de la Recherche Scientifique, Universite Joseph Fourier, Consejo Superior de Investigaciones Cientificas (CSIC), Universidad de Sevilla
    Inventors: Jacques Defaye, Carmen Ortiz-Mellet, Jose Manuel Garcia-Fernandez, Maria Gomez-Garcia, Kazimierz Chmurski, Jian-Xin Yu
  • Cyclodextrin dimers and derivatives thereof, methods for preparing them and their use, in particular, for the solubilizing pharmacologically active substances
    Patent number: 7781417
    Abstract: The invention relates to a compound according to the following general formula (I), in which: m represents an integer equal to 5, 6 or 7; n and n1 represent an integer from 1 to 5; the A groups represent, in particular, a hydrogenated atom; X represents O or S; Y represents, in particular, a group NR1, R1, representing, in particular, a hydrogenated atom; W represents CH or N; and Z represents, in particular, a hydrogenated atom.
    Type: Grant
    Filed: November 24, 2004
    Date of Patent: August 24, 2010
    Assignees: Centre National de la Recherche Scientifique, Universite Joseph Fourier, Consejo Superior de Investigaciones Cientificas (CSIC), Universidad de Sevilla
    Inventors: Jacques Defaye, Carmen Ortiz-Mellet, José Manuel Garcia-Fernandez, Juan M. Benito, Marta Gomez-Garcia, Jian-Xin Yu
  • Cyclodextrin derivatives, method for the preparation thereof and use thereof for the solubilization of pharmacologically active substances
    Patent number: 7632941
    Abstract: The invention relates to a cyclodextrin derivative corresponding to general formula (I) wherein n is a whole number from 1-6, m is a whole number equal to 5, 6 or 7, R1 is an OH group, all R1s are identical, Z is a thiourea group, X is a hydrogen atom, and R is a hydrogen atom or a bioidentification element.
    Type: Grant
    Filed: March 22, 2004
    Date of Patent: December 15, 2009
    Assignees: Centre National de la Recherche Scientifique, Universite Joseph Fourier, Consejo Superior de Investigaciones Cientificas (CSIC), Universidad de Sevilla
    Inventors: Jacques Defaye, Carmen Ortiz-Mellet, José Manuel Garcia-Fernandez, Maria Gomez-Garcia, Kazimierz Chmurski, Jian-Xin Yu
  • NOVEL DERIVATIVES OF CYCLODEXTRINS, PROCESS FOR THEIR PREPARATION AND THEIR USE IN PARTICULAR FOR SOLUBILIZING PHARMACOLOGICALLY ACTIVE SUBSTANCES
    Publication number: 20090264540
    Abstract: The invention relates to a compound corresponding to general formula (I) wherein n is a whole number from 1-6, m is a whole number equal to 5, 6 or 7, R1 is an OH group, all R1 s are identical, Z is an NHX group, X is a hydrogen atom, and R is a hydrogen atom or a bioidentification element, with the proviso that the compound wherein n=1, m=6, Z=NH2 and R1=OH is excluded.
    Type: Application
    Filed: May 19, 2009
    Publication date: October 22, 2009
    Inventors: Jacques DEFAYE, Carmen Ortiz-Mellet, Jose Manuel Garcia-Fernandez, Maria Gomez-Garcia, Kazimierz Chmurski, Jian-Xin Yu
  • Novel cyclodextrin derivatives, method for the preparation thereof and use thereof for the solubilization of pharmacologically active substances
    Publication number: 20070167401
    Abstract: The invention relates to a compound corresponding to general formula (I) wherein n is a whole number from 1-6, m is a whole number equal to 5, 6 or 7, R1 is an OH group, all R1s are identical, Z is an NHX group, X is a hydrogen atom, and R is a hydrogen atom or a bioidentification element, with the proviso that the compound wherein n=1, m=6, Z=NH2 and R1=OH is excluded.
    Type: Application
    Filed: March 22, 2004
    Publication date: July 19, 2007
    Inventors: Jacques Defaye, Carmen Ortiz-Mellet, Jose Garcia-Fernandez, Maria Gomez-Garcia, Kazimierz Chmurski, Jian-Xin Yu
  • Novel cyclodextrin dimers and derivatives thereof, methods for preparing them and their use, in particular, for the solubilizing pharmacologically active substances
    Publication number: 20070082867
    Abstract: The invention relates to a compound according to the following general formula (I), in which: m represents an integer equal to 5, 6 or 7; n and n1 represent an integer from 1 to 5; the A groups represent, in particular, a hydrogenated atom; X represents O or S; Y represents, in particular, a group NR1, R1, representing, in particular, a hydrogenated atom; W represents CH or N; and Z represents, in particular, a hydrogenated atom.
    Type: Application
    Filed: November 24, 2004
    Publication date: April 12, 2007
    Inventors: Jacques Defaye, Carmen Ortiz-Mellet, Jose Manuel Garcia-Fernandez, Juan Benito, Marta Gomez-Garcia, Jian-Xin Yu