Patents by Inventor Pietro Allegrini

Pietro Allegrini 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: 20230398134
    Abstract: The present invention relates to a composition comprising cannabidiol and at least two excipients, wherein at least one excipient is a lipid excipient and wherein at least one excipient is a hydrophilic excipient, and wherein the lipid excipient is present in an amount equal to or lower than 20% of the total weight of the composition; the invention also relates to the preparation process of the composition and to pharmaceutical or nutraceutical formulations containing it.
    Type: Application
    Filed: November 12, 2021
    Publication date: December 14, 2023
    Applicant: INDENA S.P.A.
    Inventors: Pietro Allegrini, Massimo Ronchi, Antonella Riva
  • Patent number: 11787761
    Abstract: The invention relates to a process for the preparation of Melphalan (4-[bis(2-5 chloroethyl)amino]-L-phenylalanine of formula (I) said process comprising the reaction of a 4-amino-L-phenylalanine protected at the carboxy and amino aminoacidic groups with an agent able to convert the aromatic amino group into a group of formula: —N(CH2CH2OS(O)nO—)2, wherein n is 1 or 2 followed by conversion of the ?N(CH2CH2OS(O)nO—)2 group into a —N(CH2CH2Cl)2 group. The invention also provides novel intermediates useful for the preparation of Melphalan.
    Type: Grant
    Filed: December 21, 2020
    Date of Patent: October 17, 2023
    Assignee: Indena S.P.A.
    Inventors: Pietro Allegrini, Andrea Bonetti, Marco Molinari, Andrea Gambini
  • Publication number: 20230286901
    Abstract: The invention relates to a process for the preparation of Melphalan (4-[bis(2-chloroethyl)amino]-L-phenylalanine of formula (I) said process comprising the reaction of a 4-amino-L-phenylalanine protected at the carboxy and amino aminoacidic groups with an agent able to convert the aromatic amino group into a group of formula: —N(CH2CH2OS(O)nO?)2, wherein n is 1 or 2 followed by conversion of the —N(CH2CH2OS(O)nO?)2 group into a —N(CH2CH2Cl)2 group. The invention also provides novel intermediates useful for the preparation of Melphalan.
    Type: Application
    Filed: May 19, 2023
    Publication date: September 14, 2023
    Applicant: Indena S.P.A.
    Inventors: Pietro Allegrini, Andrea Bonetti, Marco Molinari, Andrea Gambini
  • Publication number: 20230227873
    Abstract: The invention relates to a process for the preparation of colchicine 1 from colchicoside 2 which comprises enzymatic conversion of colchicoside 2 to 3-O-demethylcolchicine 3, wherein the enzyme used is a cellulase. According to another aspect of the invention, 3-O-demethylcolchicine 3 can be converted to colchicine 1 using an alkylating agent. The invention also relates to a process or enriching the colchicine 1 content of extracts from plants belonging to the Colchicaceae family containing colchicine 1, colchicoside 2 and 3-(9-demethyl colchicine 3, which comprises conversion by means of a colchicoside 2 cellulase to 3-O-demethylcolchicine 3, followed by conversion of 3-O-demethylcolchicine 3 to colchicine 1 using an alkylating agent.
    Type: Application
    Filed: June 14, 2021
    Publication date: July 20, 2023
    Applicant: Indena S.P.A.
    Inventors: Fabio Donzelli, Pietro Allegrini, Alessandro Andreani, Andrea Gambini, Davide Berlanda
  • Publication number: 20230094970
    Abstract: The invention relates to a process for the preparation of Melphalan (4-[bis(2-5 chloroethyl)amino]-L-phenylalanine of formula (I) said process comprising the reaction of a 4-amino-L-phenylalanine protected at the carboxy and amino aminoacidic groups with an agent able to convert the aromatic amino group into a group of formula: —N(CH2CH2OS(O)nO—)2, wherein n is 1 or 2 followed by conversion of the ?N(CH2CH2OS(O)nO—)2 group into a —N(CH2CH2Cl)2 group. The invention also provides novel intermediates useful for the preparation of Melphalan.
    Type: Application
    Filed: December 21, 2020
    Publication date: March 30, 2023
    Applicant: Indena S.P.A.
    Inventors: Pietro Allegrini, Andrea Bonetti, Marco Molinari, Andrea Gambini
  • Publication number: 20220387361
    Abstract: The present invention relates to solid dispersions comprising a salt of ursolic acid with an alkali metal and a phospholipid and to oral dosage formulations containing them. The invention also relates to processes for preparing the solid dispersions and to the use of the solid dispersions and formulations for the prevention and/or treatment of a variety of pathological conditions in which hepatoprotective, antioxidant, anti-inflammatory, antiviral and cytotoxic activities are desired.
    Type: Application
    Filed: October 30, 2020
    Publication date: December 8, 2022
    Applicant: Indena S.P.A.
    Inventors: Pietro Allegrini, Daniele Ciceri, Lorenzo Menna
  • Publication number: 20220009865
    Abstract: A process for the synthesis of Cannabidiol of formula (1): (1) is herein disclosed. The process comprises contacting a solution [solution (S1)] of (+)-p-mentha-diene-3-ol of formula (4) (4) or an ester thereof and olivetol of formula (3): (3) with a solution [solution (S2)] of a non-supported Lewis acid in a continuous flow reactor and treatment of the resulting mixture with a basic solution. The process offers the advantage that it can be conveniently carried out on an industrial scale while avoiding the formation of abnormal CBD and THC (?9-tetrahydrocannabinol).
    Type: Application
    Filed: November 11, 2019
    Publication date: January 13, 2022
    Applicant: Indena S.P.A.
    Inventors: Alessandro Palmieri, Roberto Ballini, Pietro Allegrini, Daniele Ciceri
  • Patent number: 11214543
    Abstract: The present invention relates to a process for the preparation of Lenvatinib of formula (I) from 4-amino-3-chloro-phenol and 4-chloro-7-methoxyquinoline-6-carboxamide.
    Type: Grant
    Filed: September 3, 2019
    Date of Patent: January 4, 2022
    Assignee: Indena S.P.A.
    Inventors: Luca Senaldi, Pietro Allegrini, Daniele Ciceri, Anna Bernardi
  • Publication number: 20210246107
    Abstract: The present invention relates to a process for the preparation of Lenvatinib of formula (I) from 4-amino-3-chloro-phenol and 4-chloro-7-methoxyquinoline-6-carboxamide.
    Type: Application
    Filed: September 3, 2019
    Publication date: August 12, 2021
    Applicant: Indena S.P.A.
    Inventors: Luca Senaldi, Pietro Allegrini, Daniele Ciceri, Anna Bernardi
  • Patent number: 10836727
    Abstract: The present invention provides novel crystalline forms of 4-[3-Chloro-4-(N?-cyclopropylureido)phenoxy]-7-methoxyquinoline-6-carboxamide methanesulfonate, as well as methods for their preparation.
    Type: Grant
    Filed: September 15, 2017
    Date of Patent: November 17, 2020
    Assignee: Indena S.P.A.
    Inventors: Nicola Sardone, Stefano Luca Giaffreda, Andrea Gambini, Alex Petrolati, Pietro Allegrini, Enrico Modena
  • Patent number: 10717715
    Abstract: Disclosed are solid forms of ingenol 3-(3,5-diethylisoxazole-4-carboxylate) selected from an amorphous form or a crystalline anhydrous form. Also disclosed are solid solvates of ingenol 3-(3,5-diethylisoxazole-4-carboxylate) selected from an acetone solvate, a dimethylcarbonate solvate, an isopropyl ether solvate, an acetonitrile solvate, a toluene solvate, a mesitylene solvate, a nitromethane solvate, a dichloromethane/heptane solvate and an ethyl acetate solvate, for use as intermediates.
    Type: Grant
    Filed: August 29, 2017
    Date of Patent: July 21, 2020
    Assignee: INDENA S.P.A.
    Inventors: Pietro Allegrini, Federico Peterlongo, Andrea Gambini, Daniele Ciceri, Nicola Sardone, Maurizio Ricotti
  • Publication number: 20190256473
    Abstract: The present invention provides novel crystalline forms of 4-[3-Chloro-4-(N?-cyclopropylureido)phenoxy]-7-methoxyquinoline-6-carboxamide methanesulfonate, as well as methods for their preparation.
    Type: Application
    Filed: September 15, 2017
    Publication date: August 22, 2019
    Applicant: Indena S.P.A.
    Inventors: Nicola Sardone, Stefano Luca Giaffreda, Andrea Gambini, Alex Petrolati, Pietro Allegrini, Enrico Modena
  • Publication number: 20190210980
    Abstract: Disclosed are solid forms of ingenol 3-(3,5-diethylisoxazole-4-carboxylate) selected from an amorphous form or a crystalline anhydrous form. Also disclosed are solid solvates of ingenol 3-(3,5-diethylisoxazole-4-carboxylate) selected from an acetone solvate, a dimethylcarbonate solvate, an isopropyl ether solvate, an acetonitrile solvate, a toluene solvate, a mesitylene solvate, a nitromethane solvate, a dichloromethane/heptane solvate and an ethyl acetate solvate, for use as intermediates.
    Type: Application
    Filed: August 29, 2017
    Publication date: July 11, 2019
    Inventors: Pietro ALLEGRINI, Federico PETERLONGO, Andrea GAMBINI, Daniele CICERI, Nicola SARDONE, Maurizio RICOTTI
  • Patent number: 9751828
    Abstract: Substantially stable to degradation Fesoterodine fumarate, a process for its preparation and a process for the synthesis of specific degradation impurities of Fesoterodine fumarate are disclosed.
    Type: Grant
    Filed: June 23, 2015
    Date of Patent: September 5, 2017
    Assignee: Dipharma Francis S.r.l.
    Inventors: Pietro Allegrini, Emanuele Attolino, Renzo Graziosi
  • Patent number: 9687484
    Abstract: The present invention relates to novel crystalline forms of vortioxetine hydrobromide, in particular three crystalline forms, a process for their preparation, a pharmaceutical composition containing said novel crystalline forms, and a process for the purification of vortioxetine or a salt thereof, comprising the formation of one or more of the novel crystalline forms of vortioxetine hydrobromide described herein.
    Type: Grant
    Filed: July 6, 2015
    Date of Patent: June 27, 2017
    Assignee: Dipharma Francis S.r.l.
    Inventors: Stefano Luca Giaffreda, Marco Curzi, Elena Dichiarante, Pietro Allegrini, Renzo Graziosi, Chiara Vladiskovic
  • Publication number: 20170101365
    Abstract: The present invention relates to azidoalkylamine salts of formula (I) with organic acids, a process for their preparation, and their use as intermediates in the preparation of active pharmaceutical ingredients or polymers, or as spacers useful in organis synthesis.
    Type: Application
    Filed: May 26, 2015
    Publication date: April 13, 2017
    Applicant: DIPHARMA FRANCIS S.R.L.
    Inventors: Pietro ALLEGRINI, Gabriele RAZZETTI, Dario PASTORELLO
  • Patent number: 9550743
    Abstract: The present invention relates to a process for the preparation of 1-[2-(2,4-dimethylphenylsulphanyl)phenyl]piperazine of formula (I), also known as vortioxetine, salts thereof, and intermediates useful for its synthesis.
    Type: Grant
    Filed: November 19, 2015
    Date of Patent: January 24, 2017
    Assignee: Dipharma Francis S.r.l.
    Inventors: Luca Giannotti, Renzo Graziosi, Emanuele Attolino, Pietro Allegrini
  • Publication number: 20160145224
    Abstract: The present invention relates to a process for the preparation of 1-[2-(2,4-dimethylphenylsulphanyl)phenyl]piperazine of formula (I), also known as vortioxetine, salts thereof, and intermediates useful for its synthesis.
    Type: Application
    Filed: November 19, 2015
    Publication date: May 26, 2016
    Applicant: DIPHARMA FRANCIS s.r.l.
    Inventors: Luca GIANNOTTI, Renzo GRAZIOSI, Emanuele ATTOLINO, Pietro ALLEGRINI
  • Patent number: 9334223
    Abstract: Process for the preparation of 2-phenyl-2-methyl propanoic acid derivatives, useful as intermediates in the preparation of fexofenadine hydrochloride.
    Type: Grant
    Filed: October 3, 2014
    Date of Patent: May 10, 2016
    Assignee: Dipharma Francis S.r.l.
    Inventors: Pietro Allegrini, Vittorio Lucchini, Davide Rossi, Mauro Mittino, Gabriele Razzetti
  • Publication number: 20160031796
    Abstract: Substantially stable to degradation Fesoterodine fumarate, a process for its preparation and a process for the synthesis of specific degradation impurities of Fesoterodine fumarate are disclosed.
    Type: Application
    Filed: June 23, 2015
    Publication date: February 4, 2016
    Applicant: Dipharma Francis S.r.l.
    Inventors: Pietro ALLEGRINI, Emanuele ATTOLINO, Renzo GRAZIOSI