Patents by Inventor Vincenzo RAZZANO

Vincenzo RAZZANO 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).

  • 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
  • COUMARIN GLYOXYLATES FOR LED PHOTOCURING
    Publication number: 20240067620
    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: Application
    Filed: October 12, 2020
    Publication date: February 29, 2024
    Inventors: Marika MORONE, Gabriele Pietro NORCINI, Stephen POSTLE, Vincenzo RAZZANO
  • KETOQUINOLONES AS PHOTONITIATORS
    Publication number: 20230331958
    Abstract: The present invention relates to novel class of photoinitiators and their use in photopolymerization compositions. The invention also concerns a process for the photopolymerization of compositions comprising said photoinitiators.
    Type: Application
    Filed: October 7, 2021
    Publication date: October 19, 2023
    Inventors: Marika MORONE, Vincenzo RAZZANO, Gabriele Pietro 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 polymeric photoinitiators
    Patent number: 11130873
    Abstract: The present invention relates to novel compounds based on 3-ketocoumarins, which are useful as photoinitiators and sensitizer and to compositions thereof. More particularly, the novel compounds comprise a polyhydroxy polymeric core, which is chemically bonded to 3-ketocoumarin derivatives.
    Type: Grant
    Filed: August 3, 2018
    Date of Patent: September 28, 2021
    Assignee: IGW GROUP BV
    Inventors: Marika Morone, Gabriele Norcini, Vincenzo Razzano
  • WATER SOLUBLE 3-KETOCOUMARINS
    Publication number: 20210070726
    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: Application
    Filed: December 6, 2018
    Publication date: March 11, 2021
    Inventors: Marika MORONE, Vincenzo RAZZANO, Stephen POSTLE, Gabriele NORCINI
  • BENZOYL-COUMARIN POLYMERIZABLE PHOTOINITIATORS
    Publication number: 20200347235
    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: Application
    Filed: December 6, 2018
    Publication date: November 5, 2020
    Inventors: Marika MORONE, Vincenzo RAZZANO, Stephen POSTLE, Gabriele NORCINI
  • MULTIFUNCTIONAL POLYMERIC PHOTOINITIATORS
    Publication number: 20200239715
    Abstract: The present invention relates to novel compounds based on 3- ketocoumarins, which are useful as photoinitiators and sensitizer and to compositions thereof. More particularly, the novel compounds comprise a polyhydroxy polymeric core, which is chemically bonded to 3-ketocoumarin derivatives.
    Type: Application
    Filed: August 3, 2018
    Publication date: July 30, 2020
    Inventors: Marika MORONE, Gabriele NORCINI, Vincenzo RAZZANO