Patents by Inventor Giampietro Margheritis

Giampietro Margheritis 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).

  • Patent number: 9902651
    Abstract: The present invention relates to ready-to-use drying joint compounds that exhibit improved performance characteristics due to the presence of a hydrophobically modified polygalactomannan.
    Type: Grant
    Filed: March 12, 2015
    Date of Patent: February 27, 2018
    Assignee: LAMBERTI SPA
    Inventors: Giampietro Margheritis, Barbara Biasotti, Barbara Gatti, Roberto Coarezza, Valentina Langella, Giovanni Floridi, Giuseppe Li Bassi
  • Publication number: 20170081245
    Abstract: The present invention relates to ready-to-use drying joint compounds that exhibit improved performance characteristics due to the presence of a hydrophobically modified polygalactomannan.
    Type: Application
    Filed: March 12, 2015
    Publication date: March 23, 2017
    Inventors: Giampietro MARGHERITIS, Barbara BIASOTTI, Barbara GATTI, Roberto COAREZZA, Valentina LANGELLA, Giovanni FLORIDI, Giuseppe LI BASSI
  • Patent number: 7909927
    Abstract: Rheology modifying admixture comprising a) from 80 to 99% w/w of hydroxyalkyl guar, cellulose ether, or mixture thereof; b) from 1 to 20% w/w of biopolymer selected from diutan gum and welan gum, and hydraulic compositions containing the rheology modifier admixture together with a superplasticizer.
    Type: Grant
    Filed: January 15, 2009
    Date of Patent: March 22, 2011
    Assignee: Lamberti Spa
    Inventors: Giampietro Margheritis, Eva Baldaro, Luca Perrone, Giuseppe Li Bassi
  • Publication number: 20100307381
    Abstract: Rheology modifying admixture comprising a) from 80 to 99% w/w of hydroxyalkyl guar, cellulose ether, or mixture thereof; b) from 1 to 20% w/w of biopolymer selected from diutan gum and welan gum, and hydraulic compositions containing the rheology modifier admixture together with a superplasticizer.
    Type: Application
    Filed: January 15, 2009
    Publication date: December 9, 2010
    Inventors: Giampietro Margheritis, Eva Baldaro, Luca Perrone, Giuseppe Li Bassi
  • Patent number: 6706112
    Abstract: Disclosed are cementitious mortar additives comprising a hydroxyalkyl guar derivative having a molar substitution of from about 0.7 to about 3. Also disclosed are dry cementitious mortar compositions including from 0.1 to 1.5% by weight of the additive and cured cementitious mortars obtained by addition of water to the dry cementitious mortar compositions.
    Type: Grant
    Filed: June 3, 2002
    Date of Patent: March 16, 2004
    Assignee: Lamberti SpA
    Inventors: Enrico Sironi, Giampietro Margheritis, Ugo Claudio Pfeiffer, Giuseppe Li Bassi
  • Publication number: 20030221592
    Abstract: Disclosed are cementitious mortar additives including at least a hydroxyalkyl guar derivative. Also dislcosed are dry cementitious mortar competitions including from 0.1 to 1.5% by weight of the additive and cured cementitious mortars obtained by addition of water to the dry cementitious mortar compositions.
    Type: Application
    Filed: June 3, 2002
    Publication date: December 4, 2003
    Applicant: Lamberti SpA
    Inventors: Enrico Sironi, Giampietro Margheritis, Ugo Claudio Pfeiffer, Giuseppe Li Bassi