Patents by Inventor Gabriele Norcini

Gabriele Norcini 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).

  • 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
  • 3-KETOCOUMARINES FOR LED PHOTOCURING
    Publication number: 20150259316
    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: Application
    Filed: October 17, 2013
    Publication date: September 17, 2015
    Inventors: Marika Morone, Andrea Bernini Freddi, Gabriele Norcini, 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
  • Process for the preparation of crystalline mixtures of alpha-hydroxycarbonyl derivatives of alpha-methylstyrene dimers
    Patent number: 8618332
    Abstract: Process for the preparation of the powdery crystalline mixtures of alpha-hydroxycarbonyl derivatives of alpha-methylstyrene dinners comprising the use of a solvent having polarity from 0 to 0.1.
    Type: Grant
    Filed: March 10, 2010
    Date of Patent: December 31, 2013
    Assignee: Lamberti SpA
    Inventors: Giuseppe Li Bassi, Gabriele Norcini, Leonardo Federici
  • 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
  • PROCESS FOR THE PREPARATION OF CRYSTALLINE MIXTURES OF ALPHA-HYDROXYCARBONYL DERIVATIVES OF ALPHA-METHYLSTYRENE DIMERS
    Publication number: 20120029238
    Abstract: Process for the preparation of the powdery crystalline mixtures of alpha-hydroxycarbonyl derivatives of alpha-methylstyrene dinners comprising the use of a solvent having polarity from 0 to 0.1.
    Type: Application
    Filed: March 10, 2010
    Publication date: February 2, 2012
    Inventors: Giuseppe Li Bassi, Gabriele Norcini, Leonardo Federici
  • PROCESS FOR THE PREPARATION OF AROMATIC ALPHA-HYDROXY KETONES
    Publication number: 20110065962
    Abstract: Process for the preparation of aromatic alpha-hydroxyketones (aromatic ?-hydroxyketones) that does not require the use of chlorine, sulfuryl chloride or bromine and comprises the halogenation of an intermediate aromatic ketone with a hydrogen halide in the presence of an oxidising compound.
    Type: Application
    Filed: May 7, 2009
    Publication date: March 17, 2011
    Inventors: Enzo Meneguzzo, Gabriele Norcini, Giuseppe Li Bassi
  • Phenylglyoxalic esters generated by photolysis of low migratable fragments
    Patent number: 7868054
    Abstract: The present invention concerns photopolymerisable systems comprising reactive oligomers and/or monomers having ethylenically unsaturated groups and at least one phenylglyoxalic ester that, by photochemical decomposition, generates fragments having low migratability and low odor.
    Type: Grant
    Filed: May 10, 2006
    Date of Patent: January 11, 2011
    Assignee: Lamberti SpA
    Inventors: Stefano Romagnano, Gabriele Norcini, Marco Visconti, Giuseppe Libassi
  • Photoinitiators for Energy Curing
    Publication number: 20100196826
    Abstract: Photopolymerisable systems for coatings or photolithography comprising radically photopolimerisable oligomers and/or monomers having ethylenically unsaturated groups and, as photoinitiator, at least one compound of formula (I).
    Type: Application
    Filed: September 5, 2008
    Publication date: August 5, 2010
    Inventors: Stefano Romagnano, Gabriele Norcini, Giuseppe Li Bassi, Marco Visconti, Celine Dietlin, Xavier Allonas, Jean Pierre Fouassier
  • 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
  • Clear photopolymerizable systems for the preparation of high thickness coatings
    Patent number: 7534880
    Abstract: The present invention relates to clear photopolymerisable systems for the preparation of high thickness coatings, to a procedure for their application and to the solid surfaces coated with them.
    Type: Grant
    Filed: August 3, 2004
    Date of Patent: May 19, 2009
    Assignee: Lamberti SpA
    Inventors: Gabriele Norcini, Stefano Romagnano, Marco Visconti, Giuseppe Li Bassi
  • White solid photoinitiator in the form of powder and preparation thereof
    Patent number: 7482392
    Abstract: The present invention is refereed to a white solid photoinitiator in the form of powder and consisting of 2-hydroxy-1-{4-[4-(2-hydroxy-2-methyl-propionyl)-phenoxy]-phenyl}-2-methyl-propan-1-one (COMPOUND1), and to the procedure for its preparation.
    Type: Grant
    Filed: October 14, 2004
    Date of Patent: January 27, 2009
    Assignee: Lamberti SpA
    Inventors: Gabriele Norcini, Stefano Romagnano, Marco Visconti, Gluseppe Li Bassi
  • Phenylglyoxalic Esters Generating by Photolysis Low Migratable Fragments
    Publication number: 20080193677
    Abstract: The present invention concerns photopolymerisable systems comprising reactive oligomers and/or monomers having ethylenically unsaturated groups and at least one phenylglyoxalic ester that, by photochemical decomposition, generates fragments having low migratability and low odour.
    Type: Application
    Filed: May 10, 2006
    Publication date: August 14, 2008
    Inventors: Stefano Romagnano, Gabriele Norcini, Marco Visconti, Giuseppe Libassi
  • White solid photoinitiator in the form of powder and preparation thereof
    Publication number: 20070135531
    Abstract: The present invention is refereed to a white solid photoinitiator in the form of powder and consisting of 2-hydroxy-1-{4-[4-(2-hydroxy-2-methyl-propionyl)-phenoxy]-phenyl}-2-methyl-propan-1-one (COMPOUND1), and to the procedure for its preparation.
    Type: Application
    Filed: October 14, 2004
    Publication date: June 14, 2007
    Inventors: Gabriele Norcini, Stefano Romagnano, Marco Visconti, Gluseppe 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
  • Compositions for positive heat sensitive lithographic printing plates
    Patent number: 7202012
    Abstract: A composition for positive heat sensitive computer-to-plate (CTP) lithographic printing plates comprising a phenolic resin and an IR absorber characterized by the fact that the composition contains from 1 to 30% w/w of an organic oxygenated phosphorous compound chosen from the group of general formula (I): wherein R1, R2, and R3 are independently a C4–C8 alkyl group or an aryl group.
    Type: Grant
    Filed: March 18, 2003
    Date of Patent: April 10, 2007
    Assignee: Lamberti SpA
    Inventors: Gabriele Norcini, Stefano Romagnano, Marco Visconti, Giuseppe Li Bassi