Patents by Inventor Stephen Postle

Stephen Postle 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
    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
  • Authentication system
    Patent number: 11853843
    Abstract: The present invention is directed to an authenticating apparatus, system and a method for authentication of an object or product having a secure glyph thereon. The invention is also directed to the use of the object or product in a machine wherein the secure glyph has an intellectual property protected feature and a machine readable feature.
    Type: Grant
    Filed: September 27, 2022
    Date of Patent: December 26, 2023
    Assignee: SUN CHEMICAL CORPORATION
    Inventors: Mohammad Farahat, Jessica Blatt, Sidney Persley, Charles Achkar, Stephen Postle, Danny Rich
  • Photoinitiators
    Patent number: 11834532
    Abstract: The present invention relates to a novel serie of ?-disilyloxyketones, which are useful as photoinitiators (PIs), and to compositions comprising said photoinitiators.
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: December 5, 2023
    Assignee: IGH RESINS ITALIA S.R.L.
    Inventors: Marika Robert Morone, Gabriele Norcini, Gianni Casaluce, Andrea Bernini Freddi, Stephen Postle
  • 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
  • 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
  • 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
  • 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
  • PHOTOINITIATORS
    Publication number: 20220098333
    Abstract: The present invention relates to a novel serie of ?-disilyloxyketones, which are useful as photoinitiators (PIs), and to compositions comprising said photoinitiators.
    Type: Application
    Filed: December 20, 2019
    Publication date: March 31, 2022
    Inventors: Marika Robert MORONE, Gabriele NORCINI, Gianni CASALUCE, Andrea BERNINI FREDDI, Stephen POSTLE
  • Authentication reader and a dispenser comprising the authentication reader
    Patent number: 11278161
    Abstract: An authentication reader and a dispenser comprising the authentication reader for authenticating a product having a taggant ink disposed on the product's surface.
    Type: Grant
    Filed: December 12, 2020
    Date of Patent: March 22, 2022
    Assignee: SUN CHEMICAL CORPORATION
    Inventors: Mohammad Farahat, Jessica Blatt, Sidney Persley, Charles Achkar, Stephen Postle, Danny Rich
  • MULTIFUNCTIONAL BISACYLPHOSPHINE OXIDE PHOTOINITIATORS
    Publication number: 20210347919
    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: Application
    Filed: August 2, 2019
    Publication date: November 11, 2021
    Inventors: Marika MORONE, Gianni CASALUCE, Gabriele NORCINI, Stephen POSTLE
  • AUTHENTICATION READER AND A DISPENSER COMPRISING THE AUTHENTICATION READER
    Publication number: 20210127908
    Abstract: An authentication reader and a dispenser comprising the authentication reader for authenticating a product having a taggant ink disposed on the product's surface.
    Type: Application
    Filed: December 12, 2020
    Publication date: May 6, 2021
    Applicant: SUN CHEMICAL CORPORATION
    Inventors: Mohammad FARAHAT, Jessica BLATT, Sidney PERSLEY, Charles ACHKAR, Stephen POSTLE, Danny RICH
  • 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
  • Authentication reader and a dispenser comprising the authentication reader
    Patent number: 10893781
    Abstract: An authentication reader and a dispenser comprising the authentication reader for authenticating a product having a taggant ink disposed on the product's surface.
    Type: Grant
    Filed: September 19, 2017
    Date of Patent: January 19, 2021
    Assignee: SUN CHEMICAL CORPORATION
    Inventors: Mohammad Farahat, Jessica Blatt, Sidney Persley, Charles Achkar, Stephen Postle, Danny Rich
  • 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
  • AUTHENTICATION SYSTEM
    Publication number: 20180300517
    Abstract: The present invention is directed to an authenticating apparatus, system and a method for authentication of an object or product having a secure glyph thereon. The invention is also directed to the use of the object or product in a machine wherein the secure glyph has an intellectual property protected feature and a machine readable feature.
    Type: Application
    Filed: June 20, 2018
    Publication date: October 18, 2018
    Applicant: SUN CHEMICAL CORPORATION
    Inventors: MOHAMMAD FARAHAT, Jessica Blatt, Sidney Persley, Charles Achkar, Stephen Postle, Danny Rich
  • AUTHENTICATION READER AND A DISPENSER COMPRISING THE AUTHENTICATION READER
    Publication number: 20180279842
    Abstract: An authentication reader and a dispenser comprising the authentication reader for authenticating a product having a taggant ink disposed on the product's surface.
    Type: Application
    Filed: June 5, 2018
    Publication date: October 4, 2018
    Applicant: SUN CHEMICAL CORPORATION
    Inventors: Mohammed Farahat, Jessica Blatt, Sidney Persley, Charles Achkar, Stephen Postle, Danny Rich
  • Authentication reader and a dispenser comprising the authentication reader
    Patent number: 9999323
    Abstract: An authentication reader and a dispenser comprising the authentication reader for authenticating a product having a taggant ink disposed on the product's surface.
    Type: Grant
    Filed: September 19, 2017
    Date of Patent: June 19, 2018
    Assignee: Sun Chemical Corporation
    Inventors: Mohammad Farahat, Jessica Blatt, Sidney Persley, Charles Achkar, Stephen Postle, Danny Rich
  • AUTHENTICATION READER AND A DISPENSER COMPRISING THE AUTHENTICATION READER
    Publication number: 20180049601
    Abstract: An authentication reader and a dispenser comprising the authentication reader for authenticating a product having a taggant ink disposed on the product's surface.
    Type: Application
    Filed: September 19, 2017
    Publication date: February 22, 2018
    Applicant: SUN CHEMICAL CORPORATION
    Inventors: Mohammad Farahat, Jessica Blatt, Sidney Persley, Charles Achkar, Stephen Postle, Danny Rich
  • AUTHENTICATION READER AND A DISPENSER COMPRISING THE AUTHENTICATION READER
    Publication number: 20180028025
    Abstract: An authentication reader and a dispenser comprising the authentication reader for authenticating a product having a taggant ink disposed on the product's surface.
    Type: Application
    Filed: September 19, 2017
    Publication date: February 1, 2018
    Applicant: SUN CHEMICAL CORPORATION
    Inventors: Mohammad Farahat, Jessica Blatt, Sidney Persley, Charles Achkar, Stephen Postle, Danny Rich