Patents by Inventor Maria João Macedo Da Silva Bonifácio

Maria João Macedo Da Silva Bonifácio 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: 20190241545
    Abstract: The present invention relates to compounds of formula I: for use in treating pulmonary arterial hypertension and associated conditions, where R1, R2 and R3 are the same or different and signify hydrogens, halogens, alkyl, alkylaryl, alkyloxy, hydroxy, nitro, amino, alkylcarbonylamino, alkylamino or dialkylamino group; R4 signifies hydrogen, alkyl, -alkylaryl or -alkylheteroaryl; X signifies CH2, oxygen atom or sulphur atom; n is 1, 2 or 3, with the proviso that when n is 1, X is not CH2; and the individual (R)- and (S)-enantiomers or mixtures of enantiomers and pharmaceutically acceptable salts thereof.
    Type: Application
    Filed: April 16, 2019
    Publication date: August 8, 2019
    Inventors: Patrício Manuel Vieira Araújo SOARES DA SILVA, Maria João Macedo Da Silva BONIFÁCIO
  • Patent number: 10308640
    Abstract: The present invention relates to compounds of formula I: for use in treating pulmonary arterial hypertension and associated conditions, where R1, R2 and R3 are the same or different and signify hydrogens, halogens, alkyl, alkylaryl, alkyloxy, hydroxy, nitro, amino, alkylcarbonylamino, alkylamino or dialkylamino group; R4 signifies hydrogen, alkyl, -alkylaryl or -alkylheteroaryl; X signifies CH2, oxygen atom or sulphur atom; n is 1, 2 or 3, with the proviso that when n is 1, X is not CH2; and the individual (R)- and (S)-enantiomers or mixtures of enantiomers and pharmaceutically acceptable salts thereof.
    Type: Grant
    Filed: February 14, 2017
    Date of Patent: June 4, 2019
    Assignee: Bial-Portela & CA, S.A.
    Inventors: Patricio Manuel Vieira Araújo Soares Da Silva, Maria João Macedo Da Silva Bonifácio
  • Publication number: 20170369477
    Abstract: The present invention relates to compounds of formula I: for use in treating pulmonary arterial hypertension and associated conditions, where R1, R2 and R3 are the same or different and signify hydrogens, halogens, alkyl, alkylaryl, alkyloxy, hydroxy, nitro, amino, alkylcarbonylamino, alkylamino or dialkylamino group; R4 signifies hydrogen, alkyl, -alkylaryl or -alkylheteroaryl; X signifies CH2, oxygen atom or sulphur atom; n is 1, 2 or 3, with the proviso that when n is 1, X is not CH2; and the individual (R)- and (S)-enantiomers or mixtures of enantiomers and pharmaceutically acceptable salts thereof.
    Type: Application
    Filed: February 14, 2017
    Publication date: December 28, 2017
    Inventors: Patrício Manuel Vieira Araújo SOARES DA SILVA, Maria João Macedo Da Silva BONIFÁCIO
  • Patent number: 9604970
    Abstract: The present invention relates to compounds of formula I: for use in treating pulmonary arterial hypertension and associated conditions, where R1, R2 and R3 are the same or different and signify hydrogens, halogens, alkyl, alkylaryl, alkyloxy, hydroxy, nitro, amino, alkylcarbonylamino, alkylamino or dialkylamino group; R4 signifies hydrogen, alkyl, -alkylaryl or -alkylheteroaryl; X signifies CH2, oxygen atom or sulphur atom; n is 1, 2 or 3, with the proviso that when n is 1, X is not CH2; and the individual (R)- and (S)-enantiomers or mixtures of enantiomers and pharmaceutically acceptable salts thereof.
    Type: Grant
    Filed: November 14, 2013
    Date of Patent: March 28, 2017
    Assignee: Bial-Portela & CA, S.A.
    Inventors: Patrício Manuel Vieira Araújo Soares Da Silva, Maria João Macedo Da Silva Bonifácio
  • Publication number: 20150299172
    Abstract: The present invention relates to compounds of formula I: for use in treating pulmonary arterial hypertension and associated conditions, where R1, R2 and R3 are the same or different and signify hydrogens, halogens, alkyl, alkylaryl, alkyloxy, hydroxy, nitro, amino, alkylcarbonylamino, alkylamino or dialkylamino group; R4 signifies hydrogen, alkyl, -alkylaryl or -alkylheteroaryl; X signifies CH2, oxygen atom or sulphur atom; n is 1, 2 or 3, with the proviso that when n is 1, X is not CH2; and the individual (R)- and (S)-enantiomers or mixtures of enantiomers and pharmaceutically acceptable salts thereof.
    Type: Application
    Filed: November 14, 2013
    Publication date: October 22, 2015
    Inventors: Patrício Manuel Vieira Araújo Soares Da Silva, Maria João Macedo Da Silva Bonifácio