Patents by Inventor Elena Ferrari
Elena Ferrari 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).
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Patent number: 11952491Abstract: A rigid polyurethane foam formulation comprising a polyol composition comprising, by weight based on the weight of the polyol composition, more than 70% of at least one polyester polyol having an average hydroxyl number of from 150 to less than 300 mg KOH/g and an average functionality of at least 2; a blowing agent comprising water and an auxiliary blowing agent; a silicone copolymer surfactant; from 1% to 5% by weight based on the weight of the polyol composition, of a cyclic siloxane having a surface tension less than 21 dynes/cm at 25° C., wherein the weight ratio of the cyclic siloxane to the silicone copolymer surfactant is from 0.6 to less than 2.27; a catalyst, and optionally a flame retardant; and a polyisocyanate; such that the isocyanate index is in the range of from 180 to 500; a rigid polyurethane foam formed from the foam formulation; and a method of forming a rigid polyurethane foam.Type: GrantFiled: September 30, 2019Date of Patent: April 9, 2024Assignees: Dow Global Technologies LLC, DOW TURKIYE KIMYA SANAYI VE TICARET LTD SIRKETIInventors: Rossella Riccio, Elena Ferrari, Luigi Bertucelli, Esma Atlandi, Giuseppe Vairo
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Patent number: 11745465Abstract: External thermal insulation composite systems described herein include a concrete or masonry wall and a multilayer thermal insulation board disposed on the concrete or masonry wall. The multilayer thermal insulation board includes at least one closed cell foam layer comprising polyurethane and polyisocyanurate having an open cell volume of less than 20% by volume according to ASTM D 6226 and at least one open cell foam layer comprising polyurethane and polyisocyanurate having an open cell volume of greater than 80% by volume according to ASTM D 6226.Type: GrantFiled: November 7, 2018Date of Patent: September 5, 2023Assignee: Dow Global Technologies LLCInventors: Giuseppe Vairo, Elena Ferrari, Luigi Bertucelli, Alberto Fangareggi
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Patent number: 11486135Abstract: External thermal insulation composite systems described herein include a concrete or masonry wall and a thermal insulation board on the concrete or masonry wall. The thermal insulation board includes a polyurethane/polyisocyanurate foam having a density of less than 70 kg/m3 according to ASTM D 1622. Methods of preparing the external thermal insulation composite systems and the thermal insulation boards are also described.Type: GrantFiled: August 24, 2018Date of Patent: November 1, 2022Assignee: Dow Global Technologies LLCInventors: Giuseppe Vairo, Luigi Bertucelli, Elena Ferrari
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Patent number: 11454022Abstract: External thermal insulation composite systems described herein include a concrete or masonry wall and a thermal insulation board on the concrete or masonry wall. The thermal insulation board includes a polyurethane/polyisocyanurate foam having a density of less than 70 kg/m3 according to ASTM D 1622. Methods of preparing the external thermal insulation composite systems and the thermal insulation boards are also described.Type: GrantFiled: August 24, 2018Date of Patent: September 27, 2022Assignee: Dow Global Technologies LLCInventors: Giuseppe Vairo, Luigi Bertucelli, Elena Ferrari
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Publication number: 20210347989Abstract: A rigid polyurethane foam formulation comprising a polyol composition comprising, by weight based on the weight of the polyol composition, more than 70% of at least one polyester polyol having an average hydroxyl number of from 150 to less than 300 mg KOH/g and an average functionality of at least 2; a blowing agent comprising water and an auxiliary blowing agent; a silicone copolymer surfactant; from 1% to 5% by weight based on the weight of the polyol composition, of a cyclic siloxane having a surface tension less than 21 dynes/cm at 25° C., wherein the weight ratio of the cyclic siloxane to the silicone copolymer surfactant is from 0.6 to less than 2.27; a catalyst, and optionally a flame retardant; and a polyisocyanate; such that the isocyanate index is in the range of from 180 to 500; a rigid polyurethane foam formed from the foam formulation; and a method of forming a rigid polyurethane foam.Type: ApplicationFiled: September 30, 2019Publication date: November 11, 2021Inventors: Rossella Riccio, Elena Ferrari, Luigi Bertucelli, Esma Atlandi, Giuseppe Vairo
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Patent number: 11046804Abstract: Embodiments of the present disclosure are directed towards polyol compositions including a dispersion of polyisocyanate polyaddition particles in a carrier polyol, wherein the polyisocyanate polyaddition particles have an average particle diameter from 0.1 to 10.0 microns and the dispersion has a solids content from 5 wt % to 50 wt % based upon a total weight of the dispersion, and a polyester polyol that is from 1 wt % to 98 wt % of the polyol composition based upon a total weight of the polyol composition.Type: GrantFiled: September 28, 2017Date of Patent: June 29, 2021Assignee: Dow Global Technologies LLCInventors: Rossella Riccio, Irena Amici-Kroutilova, Giuseppe Vairo, Paul Cookson, Francois M. Casati, Elena Ferrari
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Publication number: 20200362553Abstract: External thermal insulation composite systems described herein include a concrete or masonry wall and a thermal insulation board on the concrete or masonry wall. The thermal insulation board includes a polyurethane/polyisocyanurate foam having a density of less than 70 kg/m3 according to ASTM D 1622. Methods of preparing the external thermal insulation composite systems and the thermal insulation boards are also described.Type: ApplicationFiled: August 24, 2018Publication date: November 19, 2020Applicant: Dow Global Technologies LLCInventors: Giuseppe Vairo, Luigi Bertucelli, Elena Ferrari
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Publication number: 20200353716Abstract: External thermal insulation composite systems described herein include a concrete or masonry wall and a multilayer thermal insulation board disposed on the concrete or masonry wall. The multilayer thermal insulation board includes at least one closed cell foam layer comprising polyurethane and polyisocyanurate having an open cell volume of less than 20% by volume according to ASTM D 6226 and at least one open cell foam layer comprising polyurethane and polyisocyanurate having an open cell volume of greater than 80% by volume according to ASTM D 6226.Type: ApplicationFiled: November 7, 2018Publication date: November 12, 2020Applicant: Dow Global Technologies LLCInventors: Giuseppe Vairo, Elena Ferrari, Luigi Bertucelli, Alberto Fangareggi
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Publication number: 20200298531Abstract: External thermal insulation composite systems described herein include a concrete or masonry wall and a multilayer thermal insulation board on the concrete or masonry wall. The multilayer thermal insulation board includes a high density polyurethane layer having a first density from 100 kg/m3 to 2000 kg/mm3 according to ASTM D 1622 and a rigid polyurethane foam having a second density of less than 100 kg/m3 according to ASTM D 1622.Type: ApplicationFiled: November 7, 2018Publication date: September 24, 2020Applicant: Dow Global Technologies LLCInventors: Luigi Bertucelli, Elena Ferrari, Giuseppe Vairo
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Publication number: 20200031981Abstract: Embodiments of the present disclosure are directed towards polyol compositions including a dispersion of polyisocyanate polyaddition particles in a carrier polyol, wherein the polyisocyanate polyaddition particles have an average particle diameter from 0.1 to 10.0 microns and the dispersion has a solids content from 5 wt % to 50 wt % based upon a total weight of the dispersion, and a polyester polyol that is from 1 wt % to 98 wt % of the polyol composition based upon a total weight of the polyol composition.Type: ApplicationFiled: September 28, 2017Publication date: January 30, 2020Applicant: Dow Global Technologies LLCInventors: Rossella Riccio, Irena Amici-Kroutilova, Giuseppe Vairo, Paul Cookson, Francois M. Casati, Elena Ferrari