Patents by Inventor Andrea Ricci

Andrea Ricci 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).

  • Publication number: 20120168731
    Abstract: The present invention relates to electroluminescent devices, comprising a compound of the formula (I) as a component of the transporting/injecting and/or electron blocking layer. The compounds of formula (I) may function alone, or in combination with dopants to provide improved efficiency, driving voltage and/or lifetime of electroluminescent devices.
    Type: Application
    Filed: June 11, 2010
    Publication date: July 5, 2012
    Applicant: BASF SE
    Inventors: Christian Schildknecht, Christian Lennartz, Soichi Watanabe, Gerhard Waganblast, Peter Murer, Thomas Schäfer, Natalia Chebotareva, Andrea Ricci, Kristina Bardon
  • Patent number: 8193528
    Abstract: The present invention relates to electronic devices, especially electroluminescent devices, comprising azapyrenes of formula (I), or formula (III), wherein Y1, Y2, Y3, Y4, X1, X2 and X3 are independently each other N, or CR4, with the proviso that at least one of the groups X1, X2 and X3 is a group CR4, R1 is hydrogen, F, —SiR100R101R102, or an organic substituent, R4 is hydrogen, F, —SiR100R101R102, or an organic substituent, or any of the substituents R1, R1? and R4, which are adjacent to each other, together form an aromatic, or heteroaromatic ring, or ring system, which can optionally be substituted, m is an integer of 1 to 6, and R100, R101 and R102 are independently of each other a C1-C8alkyl group, a C6-C24aryl group, or a C7-C12aralkyl group, which may optionally be substituted, and Q is a linking group; with the proviso that in the compound of formula (III) at least one of the substituents R1, or R4 is a group Q; especially as host for phosphorescent emitters, electron transporting materials, or emit
    Type: Grant
    Filed: June 23, 2009
    Date of Patent: June 5, 2012
    Assignee: BASF SE
    Inventors: Thomas Schäfer, Thomas Eichenberger, Kristina Bardon, Andrea Ricci, Natalia Chebotareva
  • Publication number: 20110186821
    Abstract: The present invention relates to electronic devices, especially electroluminescent devices, comprising azapyrenes of formula (I), or formula (III), wherein Y1, Y2, Y3, Y4, X1, X2 and X3 are independently each other N, or CR4, with the proviso that at least one of the groups X1, X2 and X3 is a group CR4, R1 is hydrogen, F, —SiR100R101R102, or an organic substituent, R4 is hydrogen, F, —SiR100R101R102, or an organic substituent, or any of the substituents R1, R1? and R4, which are adjacent to each other, together form an aromatic, or heteroaromatic ring, or ring system, which can optionally be substituted, m is an integer of 1 to 6, and R100, R101 and R102 are independently of each other a C1-C8alkyl group, a C6-C24aryl group, or a C7-C12aralkyl group, which may optionally be substituted, and Q is a linking group; with the proviso that in the compound of formula (III) at least one of the substituents R1, or R4 is a group Q; especially as host for phosphorescent emitters, electron transporting materials, or emit
    Type: Application
    Filed: June 23, 2009
    Publication date: August 4, 2011
    Applicant: BASF SE
    Inventors: Thomas Schäfer, Thomas Eichenberger, Kristina Bardon, Andrea Ricci, Natalia Chebotareva
  • Publication number: 20110089407
    Abstract: This invention relates to electroluminescent metal complexes of the formula (I), or (II), a process for their preparation, electronic devices comprising the metal complexes and their use in electronic devices, especially organic light emitting diodes (OLEDs), as oxygen sensitive indicators, as phosphorescent indicators in bioassays, and as catalysts.
    Type: Application
    Filed: February 2, 2009
    Publication date: April 21, 2011
    Applicant: BASF SE
    Inventors: Beat Schmidhalter, Thomas Schafer, Peter Murer, Kristina Bardon, Stephan Allenbach, Andrea Ricci
  • Publication number: 20100109514
    Abstract: The present invention relates to compounds of the formula (I), a process for their preparation and their use in organic light emitting diodes (OLEDs), especially as host for phosphorescent compounds. The hosts may function with phosphorescent materials to provide improved efficiency, stability, manufacturability, or special characteristics of electroluminescent devices.
    Type: Application
    Filed: March 19, 2008
    Publication date: May 6, 2010
    Inventors: Thomas Schäfer, Peter Murer, Frédérique Wendeborn, Beat Schmidhalter, Kristina Bardon, Andrea Ricci, Joern Pommerehne
  • Publication number: 20090140078
    Abstract: A fuel injector provided with: an injection valve comprising an injection nozzle; a mobile needle for adjusting the flow of fuel through the injection valve and ending in a shutting head which engages a valve seat of the injection valve; an actuator for displacing the needle between a closing position and an opening position of the injection valve; a catch element which constitutes an upper end stroke of the needle and defines the opening position; and a mechanical damping device which is interposed between the needle and the catch element and which is adapted to generate on the needle an elastic force which opposes to the movement of the needle towards the opening position when the needle is in proximity of the catch element.
    Type: Application
    Filed: November 26, 2008
    Publication date: June 4, 2009
    Inventors: Franco Ciampolini, Andrea Ricci, Massimo Armaroli, Luca Gusmerini, Bruno Monteverde
  • Publication number: 20090108106
    Abstract: A fuel injector provided with: an injection valve comprising an injection nozzle; a movable plunger for adjusting the flow of fuel through the injection valve and ending in a shutting head which engages a valve seat of the injection valve; an actuator for displacing the plunger between a closing position and an opening position of the injection valve; an annular backing element which constitutes an upper stroke end of the plunger and defines the opening position; and a hydraulic damping device which is adapted to generate on the plunger a hydraulic force which opposes the movement of the plunger towards the opening position when the plunger itself is close to the backing element.
    Type: Application
    Filed: October 28, 2008
    Publication date: April 30, 2009
    Applicant: MAGNETI MARELLI HOLDING S.p.A.
    Inventors: Franco CIAMPOLINI, Andrea RICCI, Massimo ARMAROLI, Luca GUSMERINI, Bruno MONTEVERDE
  • Patent number: 6834812
    Abstract: Fuel injector provided with a piezoelectric actuator, a valve activated by the piezoelectric actuator and regulating a fuel supply that flows in a working direction, and a mechanical transmission placed between the piezoelectric actuator and the valve; an expansion of the piezoelectric actuator displaces the valve in the working direction from a closed position to an open position in an opposite direction to that of the fuel outlet.
    Type: Grant
    Filed: May 7, 2002
    Date of Patent: December 28, 2004
    Assignee: Magneti Marelli Powertrain S.p.A.
    Inventors: Massimo Neretti, Michele Petrone, Andrea Ricci, Cecilia Lamberti
  • Patent number: 6817546
    Abstract: Valve body for a fuel injector; the valve body is provided with a cylindrical tubular container which has a central cylindrical cavity, a valve seat which is disposed at a lower end of the tubular container, a pin which can engage the valve seat and is accommodated in a sliding manner inside the tubular container, a lower guide for the pin, which guide is accommodated in the valve seat, and an upper guide for the pin which is contained in a support element, which is disposed at an upper end of the tubular container and defines a pair of supply apertures which open into the cavity for supply of fuel to the cavity itself.
    Type: Grant
    Filed: July 26, 2002
    Date of Patent: November 16, 2004
    Assignee: Magneti Marelli Powertrain S.p.A.
    Inventors: Lorenzo Battistini, Massimo Neretti, Andrea Ricci
  • Patent number: 6772963
    Abstract: A fuel injector having a piezoelectric actuator, which activates a shutter to move the shutter in a work direction between a closed position and an open position; the piezoelectric actuator is housed inside a casing having an inner chamber insulated from the fuel, and an outer surface wet by the fuel.
    Type: Grant
    Filed: May 7, 2002
    Date of Patent: August 10, 2004
    Assignee: Magneti Marelli Powertrain S.p.A.
    Inventors: Massimo Neretti, Michele Petrone, Andrea Ricci, Cecilia Lamberti
  • Publication number: 20030038187
    Abstract: Valve body for a fuel injector; the valve body is provided with a cylindrical tubular container which has a central cylindrical cavity, a valve seat which is disposed at a lower end of the tubular container, a pin which can engage the valve seat and is accommodated in a sliding manner inside the tubular container, a lower guide for the pin, which guide is accommodated in the valve seat, and an upper guide for the pin which is contained in a support element, which is disposed at an upper end of the tubular container and defines a pair of supply apertures which open into the cavity for supply of fuel to the cavity itself.
    Type: Application
    Filed: July 26, 2002
    Publication date: February 27, 2003
    Inventors: Lorenzo Battistini, Massimo Neretti, Andrea Ricci
  • Publication number: 20030038263
    Abstract: Electromagnetic actuator for a fuel injector; the electromagnetic actuator is provided with an electromagnet, which has a fixed magnetic core which is delimited at the base by a first annular contact surface, and with an anchor, which is mechanically integral with a shutter, it can be displaced against the action of a spring towards the magnetic core by the effect of the force of magnetic attraction produced by the electromagnet, and is delimited at the top by a second annular contact surface, which is parallel to, and faces the first contact surface; between the two contact surfaces there is interposed an annular separation body, which is substantially flat, is made of non-magnetic material, and is integral with the magnetic core or with the anchor.
    Type: Application
    Filed: July 26, 2002
    Publication date: February 27, 2003
    Inventors: Lorenzo Battistini, Massimo Neretti, Andrea Ricci
  • Publication number: 20030006300
    Abstract: Fuel injector provided with a piezoelectric actuator, a valve activated by the piezoelectric actuator and regulating a fuel supply that flows in a working direction, and a mechanical transmission placed between the piezoelectric actuator and the valve; an expansion of the piezoelectric actuator displaces the valve in the working direction from a closed position to an open position in an opposite direction to that of the fuel outlet.
    Type: Application
    Filed: May 7, 2002
    Publication date: January 9, 2003
    Inventors: Massimo Neretti, Michele Petrone, Andrea Ricci, Cecilia Lamberti
  • Publication number: 20030006299
    Abstract: A fuel injector having a piezoelectric actuator, which activates a shutter to move the shutter in a work direction between a closed position and an open position; the piezoelectric actuator is housed inside a casing having an inner chamber insulated from the fuel, and an outer surface wet by the fuel.
    Type: Application
    Filed: May 7, 2002
    Publication date: January 9, 2003
    Inventors: Massimo Neretti, Michele Petrone, Andrea Ricci, Cecilia Lamberti