Patents Assigned to IGM RESINS ITALIA S.R.L.
  • Coumarin glyoxylates for LED photocuring
    Patent number: 11981650
    Abstract: The present invention relates to novel coumarin glyoxylates, a process for their preparation and their use as photoinitiators in photopolymerization compositions. The invention also concerns a process for the photopolymerization of compositions comprising said coumarin glyoxylates.
    Type: Grant
    Filed: October 12, 2020
    Date of Patent: May 14, 2024
    Assignee: IGM RESINS ITALIA S.R.L.
    Inventors: Marika Morone, Gabriele Pietro Norcini, Stephen Postle, Vincenzo Razzano
  • 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
  • Multifunctional bisacylphosphine oxide photoinitiators
    Patent number: 11555081
    Abstract: The present invention relates to multifunctional bisacylphosphine oxides, which are useful as photoinitiators, and to compositions comprising said photoinitiators. The invention also relates to a process for photocuring and to articles of manufacture prepared by said process.
    Type: Grant
    Filed: August 2, 2019
    Date of Patent: January 17, 2023
    Assignee: IGM RESINS ITALIA S.R.L.
    Inventors: Marika Morone, Gianni Casaluce, Gabriele Norcini, Stephen Postle
  • Water soluble 3-ketocoumarins
    Patent number: 11485719
    Abstract: The present invention relates to novel 3-ketocoumarins with improved water compatibility, which are useful as photoinitiators and to compositions comprising said photoinitiators. The invention also relates to compositions comprising said novel 3-ketocoumarins and to a process for photopolymerizing comprising them.
    Type: Grant
    Filed: December 6, 2018
    Date of Patent: November 1, 2022
    Assignee: IGM RESINS ITALIA S.R.L.
    Inventors: Marika Morone, Vincenzo Razzano, Stephen Postle, Gabriele Norcini
  • Benzoyl-coumarin polymerizable photoinitiators
    Patent number: 11466161
    Abstract: The present invention relates to a series of novel polymerizable compounds based on 3-ketocoumarins, which are useful as photoinitiators and sensitizers, to compositions comprising said compounds and to a process for photopolymerizing comprising them.
    Type: Grant
    Filed: December 6, 2018
    Date of Patent: October 11, 2022
    Assignee: IGM RESINS ITALIA S.R.L.
    Inventors: Marika Morone, Vincenzo Razzano, Stephen Postle, Gabriele Norcini
  • Multifunctional acylphosphine oxide photoinitiators
    Patent number: 10106629
    Abstract: The present invention relates to a series of novel multifunctional mono- and bis-acylphosphine oxides, which are useful as photoinitiators, and to photocurable compositions comprising said photoinitiators.
    Type: Grant
    Filed: May 28, 2015
    Date of Patent: October 23, 2018
    Assignee: IGM RESINS ITALIA S.R.L.
    Inventors: Gabriele Norcini, Marika Morone, Andrea Bernini Freddi, Giuseppe Li Bassi, Giovanni Floridi
  • 3-ketocoumarines for LED photocuring
    Patent number: 9951034
    Abstract: The present invention relates to 3-ketocoumarines which can be used as photoinitiators in LED photocuring and to a process for curing compositions comprising said 3-ketocoumarines.
    Type: Grant
    Filed: October 17, 2013
    Date of Patent: April 24, 2018
    Assignee: IGM RESINS ITALIA S.R.L.
    Inventors: Marika Morone, Andrea Bernini Freddi, Gabriele Norcini, 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
  • 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