Patents by Inventor Marcello Marchetti

Marcello Marchetti 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: 20260108508
    Abstract: A process of production of trazodone or trazodone hydrochloride that comprises: (a) preparing an organic phase comprising trazodone in at least one organic solvent; (b) preparing an aqueous phase comprising at least one basic compound; (c) mixing said aqueous phase with said organic phase; (d) heating at a temperature of at least 40° C. for at least 30 minutes; (e) recovering said trazodone; and, optionally, (f) treating said trazodone with hydrochloric acid to obtain trazodone hydrochloride. Trazodone or trazodone hydrochloride comprising less than 15 ppm of alkylating substances, and a pharmaceutical composition comprising said trazodone hydrochloride.
    Type: Application
    Filed: December 12, 2025
    Publication date: April 23, 2026
    Applicant: AZIENDE CHIMICHE RIUNITE ANGELINI FRANCESCO A.C.R.A.F. S.p.A.
    Inventors: Marcello MARCHETTI, Tommaso IACOANGELI, Giovanni Battista CIOTTOLI, Giuseppe BIONDI
  • Publication number: 20240238929
    Abstract: The present invention relates to a machine tool (1) for machining semi-finished aluminum or titanium alloy products and comprises a supporting structure (2), an upright (4), a carriage (6) and a working head (7). The supporting structure (2) in turn comprises a bench (20) and a rear support (22) rigidly connected to each other. The bench (20) extends along a longitudinal direction (X), while the rear support (22) extends both along the longitudinal direction (X) and along a vertical direction (Y). The supporting structure (2) is also provided with upright translation means (3). The upright (4) is connected to the supporting structure (2) by means of the upright translation means (3), so as to translate along the longitudinal direction (X) and is further provided with carriage translation means (5). The carriage (6) is connected to the upright (4) by means of the carriage translation means (5) so as to be translatable along the vertical direction (Y).
    Type: Application
    Filed: April 20, 2022
    Publication date: July 18, 2024
    Inventor: Marcello MARCHETTI
  • Publication number: 20240238923
    Abstract: A machine tool for machining semi-finished aluminum or titanium alloy products has a supporting structure, an upright, a carriage and a working head. The supporting structure has a bench and a rear support rigidly connected to each other. The bench extends along a longitudinal direction, while the rear support extends both along the longitudinal direction and along a vertical direction. The supporting structure is provided with upright translation elements. The upright is connected to the supporting structure by the upright translation elements so as to translate along the longitudinal direction and is provided with carriage translation elements. The carriage is connected to the upright by the carriage translation elements so as to be translatable along the vertical direction. The machine tool has a first pair of carriage moving ratio motors and a second pair of carriage moving ratio motors positioned aboard the upright and engaging the carriage translation elements.
    Type: Application
    Filed: April 20, 2022
    Publication date: July 18, 2024
    Inventor: Marcello MARCHETTI
  • Publication number: 20240139179
    Abstract: A process of production of trazodone or trazodone hydrochloride that comprises: (a) preparing an organic phase comprising trazodone in at least one organic solvent; (b) preparing an aqueous phase comprising at least one basic compound; (c) mixing said aqueous phase with said organic phase; (d) heating at a temperature of at least 40° C. for at least 30 minutes; (e) recovering said trazodone; and, optionally, (f) treating said trazodone with hydrochloric acid to obtain trazodone hydrochloride. Trazodone or trazodone hydrochloride comprising less than 15 ppm of alkylating substances, and a pharmaceutical composition comprising said trazodone hydrochloride.
    Type: Application
    Filed: January 12, 2024
    Publication date: May 2, 2024
    Applicant: AZIENDE CHIMICHE RIUNITE ANGELINI FRANCESCO A.C.R.A.F. S.p.A.
    Inventors: Marcello MARCHETTI, Tommaso IACOANGELI, Giovanni Battista CIOTTOLI, Giuseppe BIONDI (Deceased)
  • Publication number: 20210052577
    Abstract: A process of production of trazodone or trazodone hydrochloride diet comprises: (a) preparing an organic phase comprising trazodone in at least one organic solvent; (b) preparing an aqueous phase comprising at least one basic compound; (c) mixing said aqueous phase with said organic phase; (d) heating at a temperature of at least 40° C. for at least 30 minutes; (e) recovering said trazodone; and, optionally, (f) treating trazodone with hydrochloric acid to obtain trazodone hydrochloride. Trazodone or trazodone hydrochloride comprising less than 15 ppm of alkylating substances, a pharmaceutical composition comprising said trazodone hydrochloride.
    Type: Application
    Filed: October 28, 2020
    Publication date: February 25, 2021
    Applicant: AZIENDE CHIMICHE RIUNITE ANGELINI FRANCESCO A.C.R.A.F. S.p.A.
    Inventors: Marcello MARCHETTI, Tommaso IACOANGELI, Giovanni Battista CIOTTOLI, Giuseppe BIONDI (Deceased)
  • Publication number: 20200253965
    Abstract: A process of production of trazodone or trazodone hydrochloride that comprises: (a) preparing an organic phase comprising trazodone in at least one organic solvent; (b) preparing an aqueous phase comprising at least one basic compound; (c) mixing said aqueous phase with said organic phase; (d) heating at a temperature of at least 40° C. for at least 30 minutes; (e) recovering said trazodone; and, optionally, (f) treating said trazodone with hydrochloric acid to obtain trazodone hydrochloride. Trazodone or trazodone hydrochloride comprising less than 15 ppm of alkylating substances, and a pharmaceutical composition comprising said trazodone hydrochloride.
    Type: Application
    Filed: April 29, 2020
    Publication date: August 13, 2020
    Applicant: AZIENDE CHIMICHE RIUNITE ANGELINI FRANCESCO A.C.R.A.F. S.p.A.
    Inventors: Marcello MARCHETTI, Tommaso Iacoangeli, Giovanni Battista Ciottoli, Giuseppe Biondi
  • Patent number: 10730157
    Abstract: A machine tool (1, 100) comprises a support structure (4, 104) and a machining head (8) bearing a mandrel (12). The machine further comprises at least one action device (20) contained on the support structure (4,104) and applied to it, which generates pushing or pulling actions on said support structure (4, 104) acting against the action of the weight of the head (8) thereon.
    Type: Grant
    Filed: December 17, 2013
    Date of Patent: August 4, 2020
    Assignee: INNSE-BERARDI S.P.A.
    Inventors: Natale Valsecchi, Marcello Marchetti, Enrico Marchioni
  • Publication number: 20200038396
    Abstract: A process of production of trazodone or trazodone hydrochloride that comprises; (a) preparing an organic phase comprising trazodone in at least one organic solvent; (b) preparing an aqueous phase comprising at least one basic compound; (c) mixing said aqueous phase with said organic phase; (d) heating at a temperature of at least 40° C. for at least 30 minutes; (e) recovering said trazodone; and, optionally, (f) treating said trazodone with hydrochloric acid to obtain trazodone hydrochloride. Trazodone or trazodone hydrochloride comprising less than 15 ppm of alkylating substances, and a pharmaceutical composition comprising said trazodone hydrochloride.
    Type: Application
    Filed: October 15, 2019
    Publication date: February 6, 2020
    Applicant: AZIENDE CHIMICHE RIUNITE ANGELINI FRANCESCO A.C.R.A.F. S.p.A.
    Inventors: Marcello Marchetti, Tommaso Iacoangeli, Giovanni Battista Ciottoli, Giuseppe Biondi
  • Publication number: 20190231774
    Abstract: A process of production of trazodone or trazodone hydrochloride that comprises: (a) preparing an organic phase comprising trazodone in at least one organic solvent; (b) preparing an aqueous phase comprising at least one basic compound; (c) mixing said aqueous phase with said organic phase; (d) heating at a temperature of at least 40° C. for at least 30 minutes; (e) recovering said trazodone; and, optionally, (f) treating said trazodone with hydrochloric acid to obtain trazodone hydrochloride. Trazodone or trazodone hydrochloride comprising less than 15 ppm of alkylating substances, and a pharmaceutical composition comprising said trazodone hydrochloride.
    Type: Application
    Filed: April 9, 2019
    Publication date: August 1, 2019
    Applicant: AZIENDE CHIMICHE RIUNITE ANGELINI FRANCESCO A.C.R.A.F. S.p.A.
    Inventors: Marcello MARCHETTI, Tommaso IACOANGELI, Giovanni Battista CIOTTOLI, Giuseppe BIONDI (Deceased)
  • Patent number: 10292931
    Abstract: A stable liquid pharmaceutical composition comprising an aqueous solution of a pharmaceutically acceptable salt of acid addition of trazodone, characterized in that said pharmaceutical composition has a pH value between 5.0 and 6.0, and comprises at least two cosolvents selected from the group comprising glycols and polyglycols.
    Type: Grant
    Filed: July 22, 2008
    Date of Patent: May 21, 2019
    Assignee: AZIENDE CHIMICHE RIUNITE ANGELINI FRANCESCO A.C.R.A.F. S.p.A.
    Inventors: Marcello Marchetti, Francesca Mariotti, Lorella Ragni, Paolo Scarpetti, Mauro Valenti
  • Publication number: 20180353503
    Abstract: A process of production of trazodone or trazodone hydrochloride that comprises: (a) preparing an organic phase comprising trazodone in at least one organic solvent; (b) preparing an aqueous phase comprising at least one basic compound; (c) mixing said aqueous phase with said organic phase; (d) heating at a temperature of at least 40° C. for at least 30 minutes; (e) recovering said trazodone; and, optionally, (f) treating said trazodone with hydrochloric acid to obtain trazodone hydrochloride. Trazodone or trazodone hydrochloride comprising less than 15 ppm of alkylating substances, and a pharmaceutical composition comprising said trazodone hydrochloride.
    Type: Application
    Filed: August 22, 2018
    Publication date: December 13, 2018
    Applicant: AZIENDE CHIMICHE RIUNITE ANGELINI FRANCESCO A.C.R.A.F. S.p.A.
    Inventors: Marcello MARCHETTI, Tommaso IACOANGELI, Giovanni Battista CIOTTOLI, Giuseppe BIONDI
  • Publication number: 20180161323
    Abstract: A process of production of trazodone or trazodone hydrochloride that comprises: (a) preparing an organic phase comprising trazodone in at least one organic solvent; (b) preparing an aqueous phase comprising at least one basic compound; (c) mixing said aqueous phase with said organic phase; (d) heating at a temperature of at least 40° C. for at least 30 minutes; (e) recovering said trazodone; and, optionally, (f) treating said trazodone with hydrochloric acid to obtain trazodone hydrochloride. Trazodone or trazodone hydrochloride comprising less than 15 ppm of alkylating substances, and a pharmaceutical composition comprising said trazodone hydrochloride.
    Type: Application
    Filed: February 7, 2018
    Publication date: June 14, 2018
    Applicant: AZIENDE CHIMICHE RIUNITE ANGELINI FRANCESCO A.C.R.A.F. S.p.A.
    Inventors: Marcello MARCHETTI, Tommaso IACOANGELI, Giovanni Battista CIOTTOLI, Giuseppe BIONDI
  • Publication number: 20170333425
    Abstract: A process of production of trazodone or trazodone hydrochloride that comprises: (a) preparing an organic phase comprising trazodone in at least one organic solvent; (b) preparing an aqueous phase comprising at least one basic compound; (c) mixing said aqueous phase with said organic phase; (d) heating at a temperature of at least 40° C. for at least 30 minutes; (e) recovering said trazodone; and, optionally, (f) treating said trazodone with hydrochloric acid to obtain trazodone hydrochloride. Trazodone or trazodone hydrochloride comprising less than 15 ppm of alkylating substances, and a pharmaceutical composition comprising said trazodone hydrochloride.
    Type: Application
    Filed: August 9, 2017
    Publication date: November 23, 2017
    Applicant: AZIENDE CHIMICHE RIUNITE ANGELINI FRANCESCO A.C.R.A.F. S.p.A.
    Inventors: Marcello Marchetti, Tommaso Iacoangeli, Giovanni Battista Ciottoli, Giuseppe Biondi
  • Publication number: 20170128442
    Abstract: A process of production of trazodone or trazodone hydrochloride that comprises: (a) preparing an organic phase comprising trazodone in at least one organic solvent; (b) preparing an aqueous phase comprising at least one basic compound; (c) mixing said aqueous phase with said organic phase; (d) heating at a temperature of at least 40° C. for at least 30 minutes; (e) recovering said trazodone; and, optionally, (f) treating said trazodone with hydrochloric acid to obtain trazodone hydrochloride. Trazodone or trazodone hydrochloride comprising less than 15 ppm of alkylating substances, and a pharmaceutical composition comprising said trazodone hydrochloride.
    Type: Application
    Filed: January 25, 2017
    Publication date: May 11, 2017
    Applicant: AZIENDE CHIMICHE RIUNITE ANGELINI FRANCESCO A.C.R.A.F. S.p.A.
    Inventors: Marcello MARCHETTI, Tommaso IACOANGELI, Giovanni ClOTTOLI, Giuseppe BIONDI
  • Patent number: 9610989
    Abstract: A compact trailer (1) comprising a connecting element (13) that can be associated with a frame of a bicycle or motorcycle, and a cart (2) that has a loading bed (3) and an edge provided with at least two mutually opposite side walls (6) with which respective wheels (7) for moving the trailer resting on the ground (S) are associated so that they can rotate about respective axes that are transverse to the direction of advancement (A) of the trailer (1). A recessed cavity (8) is provided on each one of the two side walls (6) and at least partially accommodates the respective wheel (7). Each cavity (8) has a depth that is at least equal to the axial space occupation of the respective wheel (7) accommodated inside it, so that in plan view the wheels (7) do not protrude from the outline of the cart (2).
    Type: Grant
    Filed: April 16, 2014
    Date of Patent: April 4, 2017
    Inventor: Marcello Marchetti
  • Publication number: 20160324853
    Abstract: A process of production of trazodone or trazodone hydrochloride that comprises: (a) preparing an organic phase comprising trazodone in at least one organic solvent; (b) preparing an aqueous phase comprising at least one basic compound; (c) mixing said aqueous phase with said organic phase; (d) heating at a temperature of at least 40° C. for at least 30 minutes; (e) recovering said trazodone; and optionally, (f) treating said trazodone with hydrochloric acid to obtain trazodone hydrochloride. Trazodone or trazodone hydrochloride comprising less than 15 ppm of alkylating substances, and a pharmaceutical composition comprising said trazodone hydrochloride.
    Type: Application
    Filed: July 18, 2016
    Publication date: November 10, 2016
    Applicant: AZIENDE CHIMICHE RIUNITE ANGELINI FRANCESCO A.C.R. A.F. S.p.A.
    Inventors: Marcello MARCHETTI, Tommaso IACOANGELI, Giovanni Battista CIOTTOLI, Giuseppe BIONDI
  • Patent number: 9416116
    Abstract: The present invention relates to a method of preparation of metaxalone comprising reaction of triglycidyl isocyanurate (TGIC) with m-xylenol, characterized in that said reaction is carried out in a solvent mixture comprising an aprotic polar solvent with dielectric constant greater than or equal to 30 and at least one other solvent selected from the group comprising apolar solvents and aprotic polar solvents with dielectric constant below 30 said solvent mixture comprising from 5 to 40 wt. % of said first solvent and from 95 to 60 wt. % of said second solvent, adding the TGIC at a temperature between 30° C. and 50° C., and after adding the TGIC, raising the temperature of the reaction solution to a value between 80° C. and 180° C. in a time between 120 and 180 minutes at a rate of increase not greater that 1.25° C. per minute. The invention also relates to a metaxalone with a reduced content of impurities derived from incomplete reactions and/or side reactions of the method of production.
    Type: Grant
    Filed: June 17, 2015
    Date of Patent: August 16, 2016
    Assignee: AZIENDE CHIMICHE RIUNITE ANGELINI FRANCESCO A.C.R.A.F. S.p.A.
    Inventors: Tommaso Iacoangeli, Mario Chiavarini, Antonello Fazio, Marcello Marchetti, Giovanni Battista Ciottoli
  • Publication number: 20160113926
    Abstract: A process of production of trazodone or trazodone hydrochloride that comprises: (a) preparing an organic phase comprising trazodone in at least one organic solvent; (b) preparing an aqueous phase comprising at least one basic compound; (c) mixing said aqueous phase with said organic phase; (d) heating at a temperature of at least 40° C. for at least 30 minutes; (e) recovering said trazodone; and, optionally, (f) treating said trazodone with hydrochloric acid to obtain trazodone hydrochloride. Trazodone or trazodone hydrochloride comprising less than 15 ppm of alkylating substances, and a pharmaceutical composition comprising said trazodone hydrochloride.
    Type: Application
    Filed: January 4, 2016
    Publication date: April 28, 2016
    Applicant: AZIENDE CHIMICHE RIUNITE ANGELINI FRANCESCO A.C.R.A.F. S.p.A.
    Inventors: Marcello MARCHETTI, Tommaso IACOANGELI, Giovanni Battista CIOTTOLI, Giuseppe BIONDI
  • Publication number: 20160083030
    Abstract: A compact trailer (1) comprising a connecting element (13) that can be associated with a frame of a bicycle or motorcycle, and a cart (2) that has a loading bed (3) and an edge provided with at least two mutually opposite side walls (6) with which respective wheels (7) for moving the trailer resting on the ground (S) are associated so that they can rotate about respective axes that are transverse to the direction of advancement (A) of the trailer (1). A recessed cavity (8) is provided on each one of the two side walls (6) and at least partially accommodates the respective wheel (7). Each cavity (8) has a depth that is at least equal to the axial space occupation of the respective wheel (7) accommodated inside it, so that in plan view the wheels (7) do not protrude from the outline of the cart (2).
    Type: Application
    Filed: April 16, 2014
    Publication date: March 24, 2016
    Inventor: Marcello MARCHETTI
  • Publication number: 20150352678
    Abstract: A machine tool (1, 100) comprises a support structure (4, 104) and a machining head (8) bearing a mandrel (12). The machine further comprises at least one action device (20) contained on the support structure (4,104) and applied to it, which generates pushing or pulling actions on said support structure (4, 104) acting against the action of the weight of the head (8) thereon.
    Type: Application
    Filed: December 17, 2013
    Publication date: December 10, 2015
    Inventors: Natale Valsecchi, Marcello Marchetti, Enrico Marchioni