Patents by Inventor Angelo Casiraghi

Angelo Casiraghi 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).

  • Composition useful as a pressure sensitive adhesive, its use and adhesive articles comprising it
    Patent number: 11624008
    Abstract: The present invention relates to a composition useful for manufacturing pressure sensitive adhesives, “PSAs”, and the use of said PSAs, especially in the medical field. The invention also relates to a method for manufacturing adhesive articles comprising the composition of the invention and to said articles. The invention is further directed to medical articles comprising the composition of the invention.
    Type: Grant
    Filed: June 9, 2021
    Date of Patent: April 11, 2023
    Assignee: IGM RESINS ITALIA S.R.L
    Inventors: Angelo Casiraghi, Enzo Meneguzzo, Gabriele Norcini
  • COMBINATION OF PHOTOINITIATORS AND USES THEREOF
    Publication number: 20220340691
    Abstract: The present invention relates to a homogeneous liquid/fluid combination of photoinitiators with improved formulability, reactivity and surface curing performances, more particularly to novel combinations of acylphosphine oxides and ketocoumarins, optionally further combined with at least one co-initiator.
    Type: Application
    Filed: October 9, 2020
    Publication date: October 27, 2022
    Inventors: Angelo CASIRAGHI, Gabriele NORCINI, Stephen POSTLE
  • COMPOSITION USEFUL AS A PRESSURE SENSITIVE ADHESIVE, ITS USE AND ADHESIVE ARTICLES COMPRISING IT
    Publication number: 20210292454
    Abstract: The present invention relates to a composition useful for manufacturing pressure sensitive adhesives, “PSAs”, and the use of said PSAs, especially in the medical field. The invention also relates to a method for manufacturing adhesive articles comprising the composition of the invention and to said articles. The invention is further directed to medical articles comprising the composition of the invention.
    Type: Application
    Filed: June 9, 2021
    Publication date: September 23, 2021
    Inventors: Angelo CASIRAGHI, Enzo MENEGUZZO, Gabriele NORCINI
  • COMPOSITION USEFUL AS A PRESSURE SENSITIVE ADHESIVE, ITS USE AND ADHESIVE ARTICLES COMPRISING IT
    Publication number: 20210130520
    Abstract: The present invention relates to a composition useful for manufacturing pressure sensitive adhesives, “PSAs”, and the use of said PSAs, especially in the medical field. The invention also relates to a method for manufacturing adhesive articles comprising the composition of the invention and to said articles. The invention is further directed to medical articles comprising the composition of the invention.
    Type: Application
    Filed: December 4, 2017
    Publication date: May 6, 2021
    Inventors: Angelo CASIRAGHI, Enzo MENEGUZZO, Gabriele NORCINI
  • Method for treating subterranean formations
    Patent number: 10202535
    Abstract: Method of treating a portion of a subterranean formation comprising the injection of an aqueous fluid containing a modified polysaccharide bearing ethylenically unsaturated double bonds and an initiator of radical polymerization.
    Type: Grant
    Filed: August 6, 2015
    Date of Patent: February 12, 2019
    Assignee: LAMBERTI SPA
    Inventors: Enrico Cavo, Lorenzo Giardini, Angelo Casiraghi, Luigi Merli, Mauro Tenconi, Pierangelo Pirovano, Giovanni Floridi, Giuseppe Li Bassi, Roberto Macchi
  • Process for the preparation of a phenylindan compound
    Patent number: 10017435
    Abstract: The present invention refers to a process for producing 5-[4-(2-hydroxy-2-methyl)-1-oxo-prop-1-yl]-3-[4-(2-hydroxy-2-methyl)-1-oxo-prop-1-yl-phenyl]-2,3-dihydro-1,1,3-trimethyl-1H-indene (dimer isomer 5) that comprises the synthesis from cumene and dimerization of 2-methyl-1-(4-(prop-1-en-2-yl)phenyl)propan-1-one in the presence of acid catalysts.
    Type: Grant
    Filed: June 8, 2015
    Date of Patent: July 10, 2018
    Assignee: IGH RESINS ITALIA S.R.L.
    Inventors: Gabriele Norcini, Angelo Casiraghi, Enzo Meneguzzo, Giovanni Floridi, Giuseppe Li Bassi
  • PROCESS FOR THE PREPARATION OF A PHENYLINDAN COMPOUND
    Publication number: 20180141882
    Abstract: The present invention refers to a process for producing 5-[4-(2-hydroxy-2-methyl)-1-oxo-prop-1-yl]-3-[4-(2-hydroxy-2-methyl)-1-oxo-prop-1-yl-phenyl]-2,3-dihydro-1,1,3-trimethyl-1H-indene (dimer isomer 5) that comprises the synthesis from cumene and dimerization of 2-methyl-1-(4-(prop-1-en-2-yl)phenyl)propan-1-one in the presence of acid catalysts.
    Type: Application
    Filed: June 8, 2015
    Publication date: May 24, 2018
    Inventors: Gabriele NORCINI, Angelo CASIRAGHI, Enzo MENEGUZZO, Giovanni FLORIDI, Giuseppe LI BASSI
  • Process for the preparation of a phenylindan photoinitiator
    Patent number: 9765006
    Abstract: The present invention refers to a process for producing 5-[4-(2-hydroxy-2-methyl)-1-oxo-prop-1-yl]-3-[4-(2-hydroxy-2-methyl)-1-oxo-prop-1-yl-phenyl]-2,3-dihydro-1,1,3-trimethyl-1H-indene (dimer isomer 5) that comprises the acylation of cumene in the 4-position with an isobutyryl halide, followed by benzylic halogenation and dimerization (cyclization) of the resulting product.
    Type: Grant
    Filed: June 8, 2015
    Date of Patent: September 19, 2017
    Assignee: IGM RESINS ITALIA S.R.L.
    Inventors: Gabriele Norcini, Angelo Casiraghi, Enzo Meneguzzo, Giovanni Floridi, Giuseppe Li Bassi
  • METHOD FOR TREATING SUBTERRANEAN FORMATIONS
    Publication number: 20170247597
    Abstract: Method of treating a portion of a subterranean formation comprising the injection of an aqueous fluid containing a modified polysaccharide bearing ethylenically unsaturated double bonds and an initiator of radical polymerization.
    Type: Application
    Filed: August 6, 2015
    Publication date: August 31, 2017
    Applicant: LAMBERTI SPA
    Inventors: Roberto MACCHI, Enrico CAVO, Lorenzo GIARDINI, Angelo CASIRAGHI, Luigi MERLI, Mauro TENCONI, Pierangelo PIROVANO, Giovanni FLORIDI, Giuseppe LI BASSI
  • PROCESS FOR THE PREPARATION OF A PHENYLINDAN PHOTOINITIATOR
    Publication number: 20170152202
    Abstract: The present invention refers to a process for producing 5-[4-(2-hydroxy-2-methyl)-1-oxo-prop-1-yl]-3-[4-(2-hydroxy-2-methyl)-1-oxo-prop-1-yl-phenyl]-2,3-dihydro-1,1,3-trimethyl-1H-indene (dimer isomer 5) that comprises the acylation of cumene in the 4-position with an isobutyryl halide, followed by benzylic halogenation and dimerization (cyclization) of the resulting product.
    Type: Application
    Filed: June 8, 2015
    Publication date: June 1, 2017
    Inventors: Gabriele NORCINI, Angelo CASIRAGHI, Enzo MENEGUZZO, Giovanni FLORIDI, Giuseppe LI BASSI
  • DEPOLYMERISATION OF POLYSACCHARIDES AND RELATED PRODUCTS
    Publication number: 20170002100
    Abstract: Procedure for depolymerising polysaccharides using UV-vis light irradiation catalyzed by a radical photoinitiator. The polysaccharides obtained with the procedure of the invention have a average number molecular weight comprised between 5,000 and 500,000 and when dissolved in water give solutions with high concentrations and low viscosity.
    Type: Application
    Filed: May 18, 2016
    Publication date: January 5, 2017
    Applicant: LAMBERTI SPA
    Inventors: Roberto MACCHI, Angelo CASIRAGHI, Gabriele NORCINI, Mauro TENCONI, Giovanni FLORIDI, Giuseppe LI BASSI, Enzo MENEGUZZO
  • Copolymerizable photoinitiators
    Patent number: 9394455
    Abstract: Benzophenone derivatives of formula (I) in which X is O, S or NR3, and R3 is H or linear or branched C1-C10 alkyl; R1 is H or methyl, R2 is H, halogen, linear or branched C1-C10 alkoxy, linear or branched C1-C10 alkyl, linear or branched C1-C10 alkylthio or a group NR4R5, wherein R4 and R5 are independently linear or branched C1-C10 alkyl, can be used as copolymerizable photoinitiators and photocrosslinkers.
    Type: Grant
    Filed: June 4, 2013
    Date of Patent: July 19, 2016
    Assignee: IGM RESINS ITALIA S.R.L.
    Inventors: Angelo Casiraghi, Enzo Meneguzzo, Gabriele Norcini, Giovanni Floridi, Giuseppe Li Bassi
  • DEPOLYMERISATION OF POLYSACCHARIDES AND RELATED PRODUCTS
    Publication number: 20150291707
    Abstract: Procedure for depolymerising polysaccharides using UV-vis light irradiation catalyzed by a radical photoinitiator. The polysaccharides obtained with the procedure of the invention have a average number molecular weight comprised between 5,000 and 500,000 and when dissolved in water give solutions with high concentrations and low viscosity.
    Type: Application
    Filed: September 28, 2012
    Publication date: October 15, 2015
    Inventors: Roberto Macchi, Angelo Casiraghi, Gabriele Norcini, Mauro Tenconi, Giovanni Floridi, Giuseppe Li Bassi
  • COPOLYMERIZABLE PHOTOINITIATORS
    Publication number: 20150175830
    Abstract: Benzophenone derivatives of formula (I) in which X is O, S or NR3, and R3 is H or linear or branched C1-C10 alkyl; R1 is H or methyl, R2 is H, halogen, linear or branched C1-C10 alkoxy, linear or branched C1-C10 alkyl, linear or branched C1-C10 alkylthio or a group NR4R5, wherein R4 and R5 are independently linear or branched C1-C10 alkyl, can be used as copolymerizable photoinitiators and photocrosslinkers.
    Type: Application
    Filed: June 4, 2013
    Publication date: June 25, 2015
    Inventors: Angelo Casiraghi, Enzo Meneguzzo, Gabriele Norcini, Giovanni Floridi, Giuseppe Li Bassi
  • Low-extractable thioxanthones
    Patent number: 8933142
    Abstract: 3-Esters and 3-amides of thioxanthone bearing alkyl chains of appropriate length and can be used as photoinitiators or sensitizers in photopolymerizable systems, in particular for the preparation of coatings compatible with the food use.
    Type: Grant
    Filed: November 7, 2011
    Date of Patent: January 13, 2015
    Assignee: Lamberti Spa
    Inventors: Angelo Casiraghi, Enzo Meneguzzo, Gabriele Norcini, Elena Bellotti, Giovanni Floridi, Giuseppe Li Bassi
  • LOW-EXTRACTABLE THIOXANTHONES
    Publication number: 20130237628
    Abstract: 3-Esters and 3-amides of thioxanthone bearing alkyl chains of appropriate length and can be used as photoinitiators or sensitizers in photopolymerizable systems, in particular for the preparation of coatings compatible with the food use.
    Type: Application
    Filed: November 7, 2011
    Publication date: September 12, 2013
    Inventors: Angelo Casiraghi, Enzo Meneguzzo, Gabriele Norcini, Elena Bellotti, Giovanni Floridi, Giuseppe Li Bassi
  • Photopolymerisable systems containing low-extractable and low-volatile coinitiators
    Patent number: 7851029
    Abstract: This invention concerns photopolymerizable systems containing ethylenically unsaturated reactive oligomers and/or monomers comprising at least one photoinitiator and at least one coinitiator having low-extractability and low-volatility; the photopolymerizable systems of the invention are particularly suited for the preparation of food-packaging coatings.
    Type: Grant
    Filed: May 10, 2006
    Date of Patent: December 14, 2010
    Assignee: Lamberti SpA
    Inventors: Stefano Romagnano, Angelo Casiraghi, Marco Visconti, Giuseppe Li Bassi
  • Hydroxamic Esters as Photoinitiators
    Publication number: 20100093883
    Abstract: The present invention concerns photopolymerisable systems comprising reactive oligomers and/or monomers having ethylenically unsaturated groups and as photoinitiator at least one hydroxamic ester of Formula (I) or (II) or (III).
    Type: Application
    Filed: January 31, 2008
    Publication date: April 15, 2010
    Applicant: Lamberti SpA
    Inventors: Angelo Casiraghi, Marco Visconti, Gabriele Norcini, Celine Dietlin, Xavier Allonas, Jean Pierre Fouassier, Giuseppe Li Bassi
  • Photopolymerisable Systems Containing Low-Extractable and Low-Volatile Coinitiators
    Publication number: 20080213502
    Abstract: This invention concerns photopolymerisable systems containing ethylenically unsaturated reactive oligomers and/or monomers comprising at least one photoinitiator and at least one coinitiator having low-extractability and low-volatility; the photopolymerisable systems of the invention are particularly suited for the preparation of food-packaging coatings.
    Type: Application
    Filed: May 10, 2006
    Publication date: September 4, 2008
    Inventors: Stefano Romagnano, Angelo Casiraghi, Marco Visconti, Giuseppe Li Bassi
  • Sulfoniun salts, methods for their preparation and use thereof as photoinitiators for radiation curable systems
    Patent number: 7230121
    Abstract: The present invention relates to sulfonium salts, to methods for their preparation and to radiation curable compositions containing them as photoinitiators.
    Type: Grant
    Filed: July 4, 2002
    Date of Patent: June 12, 2007
    Assignee: Lamberti SpA
    Inventors: Gabriele Norcini, Angelo Casiraghi, Marco Visconti, Giuseppe Li Bassi