Patents Assigned to Plantex, Ltd.
  • Patent number: 11332467
    Abstract: Solid state forms of Palbociclib dimesylate, processes for preparation thereof and use thereof for preparation of Palbociclib are disclosed.
    Type: Grant
    Filed: March 6, 2020
    Date of Patent: May 17, 2022
    Assignee: PLANTEX LTD.
    Inventors: Maurizio Gallina, Paolo Angioletti, Paolo S. Tiseni, Marina Ratkaj
  • Patent number: 10597393
    Abstract: Solid state forms of Palbociclib dimesylate, processes for preparation thereof and use thereof for preparation of Palbociclib are disclosed.
    Type: Grant
    Filed: July 7, 2017
    Date of Patent: March 24, 2020
    Assignee: PLANTEX LTD.
    Inventors: Maurizio Gallina, Paolo Angioletti, Paolo Simone Tiseni, Marina Ratkaj
  • Publication number: 20190211008
    Abstract: Solid state forms of Palbociclib dimesylate, processes for preparation thereof and use thereof for preparation of Palbociclib are disclosed.
    Type: Application
    Filed: July 7, 2017
    Publication date: July 11, 2019
    Applicant: PLANTEX LTD.
    Inventors: Maurizio GALLINA, Paolo ANGIOLETTI, Paolo Simone TISENI, Marina RATKAJ
  • Patent number: 4267339
    Abstract: There are disclosed certain novel imidazo(2,1-b)thiazoles, their physiologically acceptable acid addition--or quaternary ammonium salts and a process for their preparation. Said compounds show a good anti-diabetic activity.
    Type: Grant
    Filed: December 28, 1976
    Date of Patent: May 12, 1981
    Assignee: Plantex Ltd.
    Inventor: Enzo Tedeschi
  • Patent number: 4254029
    Abstract: Compounds of formula (I): ##STR1## [in which: Z represents a group of formula ##STR2## R represents a hydrogen atom, a 1-pyridyl group or a group of formula --YR' (in which: R' represents an alkyl group, an alkanoyl group a carbamoyl group or a heterocyclic group; and Y represents an oxygen or a sulphur atom);X represents a hydrogen atom or a hydroxy group; andthe .alpha.-amino acid moiety is in the D(-) configuration]are prepared by silylating the corresponding compound having an amino group at the 6-penam or 7-cepham position, acylating the silylated compound with D(-)-p-hydroxyphenglycyl chloride hydrochloride or D(-)-p-hydroxyphenylglycyl chloride hydrochloride and then hydrolyzing the acylated product. By carrying out the reaction in the presence of an N-alkylpyrrolidone, it is possible to improve the yields and purity of the desired product.
    Type: Grant
    Filed: November 19, 1979
    Date of Patent: March 3, 1981
    Assignee: Plantex Ltd.
    Inventors: Joseph Kaspi, Moshe Gross, Menasse Nussim
  • Patent number: 4137320
    Abstract: Pharmaceutical compositions containing certain imidazo(2,1-b)thiazoles, their physiologically acceptable acid addition- or quaternary ammonium salts, and a process for reducing blood sugar levels by the administration thereof.
    Type: Grant
    Filed: October 14, 1976
    Date of Patent: January 30, 1979
    Assignee: Plantex, Ltd.
    Inventor: Enzo Tedeschi
  • Patent number: RE29467
    Abstract: Benzylcyano-acids and amides useful as intermediates in the preparation of pharmaceutically valuable 2,4-diamino-5-benzyl pyrimidines.
    Type: Grant
    Filed: September 13, 1976
    Date of Patent: November 8, 1977
    Assignee: Plantex, Ltd.
    Inventors: Manasse Nussim, Ezra Levy, Jacob Naiman