Patents by Inventor Paolo Diena
Paolo Diena 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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Publication number: 20240218220Abstract: A two-component adhesive composition comprising the reaction product of: a polyol component, comprising a hydrophobic polyol and a phosphate-functional adhesion promoter; and an isocyanate component, comprising the reaction product of an isocyanate monomer and a dimer acid polyester polyol.Type: ApplicationFiled: July 13, 2021Publication date: July 4, 2024Inventors: Qingwei Meng, Yu Chen, Yi Zhang, Rui Shi, Shaoguang Feng, Hongyu Chen, ChenYan Bai, Paolo Diena, Yongchun Chen, Yuxi Zhang, Jing Liu, Yanbin Fan
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Publication number: 20230303754Abstract: Rigid polyurethanes and composites are made from a reaction mixture containing an aromatic polyisocyanate and a mixture of polyols. The mixture of polyols has an average hydroxyl equivalent weight of 125 to 275 and an average hydroxyl funtionality of 2.5 to 4 hydroxyl groups per molecule. 5 to 33% of the weight of the mixture of polyols is triisopropanolamine. Rigid polyurethanes made from such a reaction mixture have excellent dimensional stability, even when cured at or near room temperature.Type: ApplicationFiled: August 23, 2021Publication date: September 28, 2023Inventors: Paolo Diena, Thomas Mosciatti, Andrea Benvenuti
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Publication number: 20220251313Abstract: A composition for producing a fiber-reinforced polyurethane composite product including: (I) a reactive mixture of: (a) at least one polyisocyanate; (b) at least one polyol, and (c) at least one tin (IV)-based catalyst; and (II) at least one fibrous material; and a fiber-reinforced polyurethane composite product produced from the above composition.Type: ApplicationFiled: July 29, 2020Publication date: August 11, 2022Inventors: Luca Lotti, Rainer Koeniger, Paolo Diena, Enrico Baggio, Guido Bramante, Lorenzo Musiani
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Publication number: 20200270452Abstract: A polyurethane based filament winding resin reaction mixture, a resin bath and a filament winding apparatus are set forth. The reaction mixture comprises an isocyanate component including one or more isocyanates and an isocyanate-reactive component including from 5 wt % to 95 wt % of one of more polyols having a number acerage molecular weight from 50 g/mol to 8,000 g/mol, from 2 wt % to 30 wt % of one or more propane based triols, and from 1 wt % to 15 wt % of one or more trimester-phosphates, based on the total weight of the isocyanate-reactive component. A ratio of a total weight of the one or more propane based triols to a total weight of the one or more trimester-phosphates is between 1.1 and 5.0.Type: ApplicationFiled: December 15, 2015Publication date: August 27, 2020Inventors: Beilei WANG, Jiang LI, Paolo DIENA
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Patent number: 10144845Abstract: A cardanol modified epoxy polyol may be used for forming a polyurethane resin system for use in applications such as coatings and composites formed by filament winding. The polyurethane resin system includes an isocyanate-reactive component that has a first cardanol component and the cardanol-modified epoxy polyol, and includes an isocyanate component that includes at least one polyisocyanate. The cardanol-modified epoxy polyol is a reaction product of an epoxy component and an epoxy-reactive component at a ratio of epoxy groups to epoxy reactive groups from 1:0.95 to 1:5, and the epoxy-reactive component includes a second cardanol component.Type: GrantFiled: November 27, 2013Date of Patent: December 4, 2018Assignee: Dow Global Technologies LLcInventors: Jiang Li, Yi Zhang, Wei Li, Beilei Wang, Paolo Diena
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Patent number: 9441067Abstract: Fiber-reinforced polyurethane structures are made with a polyol composition that contains a particulate filler such as calcium carbonate, in addition to the fibers. The polyol composition and the polyisocyanate composition are selected such that the polymer formed in their reaction has a calculated molecular weight between crosslinks (Mc) of from 300 to 420. The polyisocyanate component contains a urethane-modified MDI and/or a urethane-modified polymeric MDI.Type: GrantFiled: March 11, 2011Date of Patent: September 13, 2016Assignee: Dow Global Technologies LLCInventors: Paolo Diena, Luigi Bertucelli, George A. Klumb, Gianluca Casagrande
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Publication number: 20160257848Abstract: A cardanol modified epoxy polyol may be used for forming a polyurethane resin system for use in applications such as coatings and composites formed by filament winding. The polyurethane resin system includes an isocyanate-reactive component that has a first cardanol component and the cardanol-modified epoxy polyol, and includes an isocyanate component that includes at least one polyisocyanate. The cardanol-modified epoxy polyol is a reaction product of an epoxy component and an epoxy-reactive component at a ratio of epoxy groups to epoxy reactive groups from 1:0.95 to 1:5, and the epoxy-reactive component includes a second cardanol component.Type: ApplicationFiled: November 27, 2013Publication date: September 8, 2016Applicant: Dow Global Technologies LLCInventors: Jiang Li, Yi Zhang, Wei Li, Beilei Wang, Paolo Diena
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Patent number: 9416247Abstract: Fiber-reinforced polyurethane composite plates having a thickness of at least 12 mm contains at least 20% by weight of reinforcing fibers embedded in a polyurethane polymer matrix, which polyurethane polymer matrix has a calculated molecular weight between crosslinks of from 450 to 2500. The composite plates have excellent load-bearing properties and exhibit small permanent sets upon loading.Type: GrantFiled: February 1, 2012Date of Patent: August 16, 2016Assignee: Dow Global Technologies LLCInventors: Paolo Diena, Carlo Cocconi, Luigi Bertucelli
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Patent number: 9399324Abstract: The present invention relates to a flame-resistant composition, a fiber-reinforced polyurethane composite comprising the flame-resistant composition and the use thereof. In particular, the invention describes a flame-resistant polyurethane-composite forming composition and a combustion-modified, fiber-reinforced polyurethane composite comprising the flame-resistant polyurethane-composite forming composition, for applications in vehicles and for building products. The invention also describes a long-fiber injection molding process for the preparation of the combustion-modified, fiber-reinforced polyurethane composite. The fiber-reinforced polyurethane composite of the invention show improved fire-reaction behavior, measured as Limiting Oxygen Index (LOI), and a reduced smoke production.Type: GrantFiled: June 25, 2012Date of Patent: July 26, 2016Assignee: Dow Global Technologies LLCInventors: Luigi Bertucelli, Paolo Diena
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Publication number: 20160201973Abstract: An elongated non-metal, non-corrosive compressor mounting base plate structure (40) including (I) a base plate segment (50) having a top surface (51) and a bottom surface, wherein the base plate segment (50) is adapted for receiving a compressor on the top surface (51) of the base plate (50); (II) a means for receiving and removably affixing a compressor to the top surface (51) of the base plate segment (50); and (III) a reinforcement means (60A, 60B) integral with said base plate segment (50); wherein said reinforcement means (60A, 60B) includes at least two elongated tubular reinforcement segments (60A, 60B) integral with the base plate segment (50), one tubular reinforcement segment (60A, 60B) at each of the elongated sides of the base plate segment (50) generally opposite each other in mirror image and generally parallel to each other along the longitudinal plane of the base plate segment (50); said reinforcement means (60A, 60B) being adapted for providing the compressor mounting base plate structure (40Type: ApplicationFiled: September 17, 2014Publication date: July 14, 2016Applicant: DOW GLOBAL TECHNOLOGIES LLCInventors: Ashishkumar S. Lokhande, Onkareshwar V. Bijjargi, Nilesh R. Tawde, Gulab N. Malunjkar, Paolo Diena
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Publication number: 20150292791Abstract: An elongated non-metal, non corrosive compressor mounting base plate structure including: (I) a base plate (40) segment having a top surface and a bottom surface, said base plate segment further comprising four vertical sidewalls (54) disposed perpendicular to the horizontal plane of the base plate and integral with the base plate segment, one vertical sidewall disposed on each of the four sides of the base plate segment and along the perimeter of the top surface of the base plate segment forming a base plate tray member; wherein the base plate segment is adapted for receiving a compressor on the top surface of the base plate segment within the area of the base plate segment surrounded by the four vertical sidewalls; (II) a means (56) for receiving and removably affixing a compressor to the top surface of the base plate segment; and (III) a reinforcement means integral with said base plate segment; wherein said reinforcement means includes at least two elongated transverse reinforcement segments integral withType: ApplicationFiled: November 20, 2013Publication date: October 15, 2015Applicants: Dow Italia s.r.l., Dow Chemical International PVT. LTD., The Dow Chemical CompanyInventors: Ashishkumar S. Lokhande, Onkareshwar V. Bijjargi, Nilesh R. Tawde, Gulab N. Malunjkar, Paolo Diena
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Publication number: 20140106637Abstract: The present invention relates to a flame-resistant composition, a fiber-reinforced polyurethane composite comprising the flame-resistant composition and the use thereof. In particular, the invention describes a flame-resistant polyurethane-composite forming composition and a combustion-modified, fiber-reinforced polyurethane composite comprising the flame-resistant polyurethane-composite forming composition, for applications in vehicles and for building products. The invention also describes a long-fiber injection molding process for the preparation of the combustion-modified, fiber-reinforced polyurethane composite. The fiber-reinforced polyurethane composite of the invention show improved fire-reaction behaviour, measured as Limiting Oxygen Index (LOI), and a reduced smoke production.Type: ApplicationFiled: June 25, 2012Publication date: April 17, 2014Applicant: DOW GLOBAL TECHNOLOGIES LLCInventors: Luigi Bertucelli, Paolo Diena
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Publication number: 20130316161Abstract: Fiber-reinforced polyurethane composite plates having a thickness of at least 12 mm contains at least 20% by weight of reinforcing fibers embedded in a polyurethane polymer matrix, which polyurethane polymer matrix has a calculated molecular weight between crosslinks of from 450 to 2500. The composite plates have excellent load-bearing properties and exhibit small permanent sets upon loading.Type: ApplicationFiled: February 1, 2012Publication date: November 28, 2013Inventors: Paolo Diena, Carlo Cocconi, Luigi Bertucelli
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Publication number: 20120328775Abstract: Fiber-reinforced polyurethane structures are made with a polyol composition that contains a particulate filler such as calcium carbonate, in addition to the fibers. The polyol composition and the polyisocyanate composition are selected such that the polymer formed in their reaction has a calculated molecular weight between crosslinks (Mc) of from 300 to 420. The polyisocyanate component contains a urethane-modified MDI and/or a urethane-modified polymeric MDI.Type: ApplicationFiled: March 11, 2011Publication date: December 27, 2012Applicant: DOW GLOBAL TECHNOLOGIES LLCInventors: Paolo Diena, Luigi Bertucelli, George A. Klumb, Gianluca Casagrande