Patents by Inventor Gianluca Lezzi

Gianluca Lezzi 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).

  • USE OF A CEMENTITIOUS COMPOSITION AS A COATING FOR DISPOSABLE FOUNDRY CORES AND RELATIVE COATED CORE
    Publication number: 20190262894
    Abstract: The use of a cementitious composition is described, as a coating for disposable foundry cores, said cementitious composition comprising at least one binder or hydraulic cement in a quantity ranging from 40% to 99.9% by weight with respect to the total weight of the cementitious composition; possibly one or more fillers in a quantity ranging from 0.1% to 60% by weight, with respect to the total weight of the cementitious composition, said filler preferably having a D99<100 ?m; at least one rheology modifying agent selected from cellulose, derivatives of cellulose such as methylhydroxyethylcellulose, vinyl acetate/versatate copolymers, polycarboxylate ether polymer, or a mixture thereof, in a quantity ranging from 0.1% to 5% by weight with respect to the total weight of the cementitious composition. A disposable foundry core is also described, having at least one coating layer based on said cementitious composition.
    Type: Application
    Filed: June 8, 2017
    Publication date: August 29, 2019
    Applicant: ITALCEMENTI S.p.A.
    Inventors: Roberto CUCITORE, Maurizio Iler MARCHI, Gianluca LEZZI, Marco ORLANDO
  • PHOTOLUMINESCENT CEMENTITIOUS COMPOSITIONS BASED ON HYDRAULIC BINDERS PARTICULARLY SUITABLE FOR USE IN SAFETY SIGNS
    Publication number: 20170334780
    Abstract: The present invention relates to a photoluminescent cementitious composition suitable for use in safety signs in accordance with DIN 67510-1 standard, characterized by including a hydraulic binder, an aggregate and/or a filler and at least a photoluminescent pigment selected from strontium aluminates or silicates doped with rare earths selected from europium and dysprosium. The invention also relates to the use of a photoluminescent pigment in the manufacturing of concrete articles with aesthetic quality given by persistent photoluminescent properties.
    Type: Application
    Filed: October 23, 2015
    Publication date: November 23, 2017
    Inventors: Roberta ALFANI, Gianluca LEZZI
  • Solid mixture and coating based on a sulfo-aluminous or sulfo-ferroaluminous clinker and cementitious-based pipes thus coated
    Patent number: 8618195
    Abstract: The present invention relates to a solid mixture and a coating or painting based on a sulfo-aluminous or sulfo-ferroaluminous clinker, the relative use as coating or painting of cementitious- and non-cementitious-based supports, in particular as coating or painting of cementitious-based pipes.
    Type: Grant
    Filed: January 31, 2008
    Date of Patent: December 31, 2013
    Assignee: Italcementi S.p.A.
    Inventors: Roberta Alfani, Gianluca Lezzi
  • SOLID MIXTURE AND COATING BASED ON A SULFO-ALUMINOUS OR SULFO-FERROALUMINOUS CLINKER AND CEMENTITIOUS-BASED PIPES THUS COATED
    Publication number: 20100330318
    Abstract: The present invention relates to a solid mixture and a coating or painting based on a sulfo-aluminous or sulfo-ferroaluminous clinker, the relative use as coating or painting of cementitious- and non-cementitious-based supports, in particular as coating or painting of cementitious-based pipes.
    Type: Application
    Filed: January 31, 2008
    Publication date: December 30, 2010
    Applicant: ITALCEMENTI S.P.A.
    Inventors: Roberta Alfani, Gianluca Lezzi