Patents by Inventor Giorgio Zaffaroni
Giorgio Zaffaroni 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: 11787975Abstract: Cyanoacrylic adhesive compositions of the type comprising at least one cyanoacrylic acid ester or one malonic acid ester having an allyl, acrylic or methacrylic group, wherein there is also present at least one radical initiator of the polymerization reaction of the allyl, acrylic or methacrylic ester of cyanoacrylic acid or malonic acid and at least one radical inhibitor of said polymerization reaction. In comparison with known cyanoacrylic adhesive compositions, those according to the invention offer the advantage of maintaining their bonding capability even at high temperatures, in particular up to 150° C.Type: GrantFiled: June 24, 2020Date of Patent: October 17, 2023Assignee: PERMABOND ENGINEERING ADHESIVES LTDInventors: Giorgio Zaffaroni, Alessio Monesi
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Patent number: 11572495Abstract: The present invention relates to two-component (2K) silicone-based adhesive compositions comprising an adhesion promotor, as well as to the use of such compositions. Furthermore, the present invention is directed to the use of a —Si(ORa)3 terminated polyorganosiloxane prepolymer, as described herein, for improving the adhesive properties of silicone-based adhesive compositions.Type: GrantFiled: October 24, 2019Date of Patent: February 7, 2023Assignee: Henkel AG & Co. KGaAInventors: Sebastien Lanau, Antonio Grauso, Alessio Faggianelli, Giorgio Zaffaroni
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Publication number: 20220384899Abstract: A rechargeable battery pack, which has: a thin compact layer or skin (9) of matrix (4) on the surfaces of contact of the latter with the outer walls (8a) of the batteries (2) and the inner walls (8b) of the container (3), which promotes the heat dissipation from the batteries to the outside of the battery pack (1); and portions (10) of foamed or expanded matrix (4), which fill the empty spaces between the batteries and the walls of the container and which are suitable for reducing the total weight of the battery pack (1) compared with a compact non-foamed matrix. In comparison with the prior art embodiments, the invention allows a rechargeable battery pack to be produced that combines a lower weight with the thermal conductivity values required to dispose of the heat generated in the battery recharge phase.Type: ApplicationFiled: May 18, 2022Publication date: December 1, 2022Inventors: Giorgio ZAFFARONI, Paolo GROSSI, Jonathan PEACOCK
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Patent number: 11434372Abstract: A two part curable composition comprising organosiloxane polymer; water; an organosilane such as hexamethyldisilazane (HMDS) or vinyltrimethoxysilane; crosslinker; adhesion promoter and catalyst; and optionally comprising plasticizer; colorant and filler. The first part can comprise organosiloxane polymer and water. The second part can comprise crosslinker; adhesion promoter and catalyst. Either or both parts can optionally further comprise an organosilane such as hexamethyldisilazane (HMDS) or vinyltrimethoxysilane; plasticizer; colorant and filler. Cured reaction products of the two part curable organosiloxane composition has good adhesion to metallic sealing surfaces and good resistance engine oil and other automotive fluids. Cured reaction products of the two part curable organosiloxane composition can surprisingly retain physical properties after long-term exposure to temperatures between 200° C. and 250° C. and can retain physical properties after exposure to temperatures between 250° C. to 300° C.Type: GrantFiled: July 13, 2020Date of Patent: September 6, 2022Assignee: Henkel AG & Co. KGaAInventors: Christopher Verosky, Sebastien Lanau, Giorgio Zaffaroni
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Publication number: 20220017652Abstract: The present invention relates to a process for modifying the surface polarity of elastomeric rubber substrates to facilitate their cold bonding to other rubber substrates or non-elastomeric substrates of a different material, preferably metal, by chlorinating the elastomeric rubber substrate surface by treatment with a chloride-containing composition and a peroxymonosulfate-containing composition. Further aspects relate to the thus-obtained surface-modified rubber substrates, processes of bonding them to other substrates by use of an adhesive, as well as the thus-obtained bonded substrates.Type: ApplicationFiled: September 29, 2021Publication date: January 20, 2022Inventors: Alessio Monesi, Eleonora Salmoiraghi, Marco Signorile, Giorgio Zaffaroni
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Publication number: 20200407596Abstract: Cyanoacrylic adhesive compositions of the type comprising at least one cyanoacrylic acid ester or one malonic acid ester having an allyl, acrylic or methacrylic group, wherein there is also present at least one radical initiator of the polymerization reaction of the allyl, acrylic or methacrylic ester of cyanoacrylic acid or malonic acid and at least one radical inhibitor of said polymerization reaction. In comparison with known cyanoacrylic adhesive compositions, those according to the invention offer the advantage of maintaining their bonding capability even at high temperatures, in particular up to 150° C.Type: ApplicationFiled: June 24, 2020Publication date: December 31, 2020Inventors: Giorgio ZAFFARONI, Alessio MONESI
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Publication number: 20200339811Abstract: A two part curable composition comprising organosiloxane polymer; water; an organosilane such as hexamethyldisilazane (HMDS) or vinyltrimethoxysilane; crosslinker; adhesion promoter and catalyst; and optionally comprising plasticizer; colorant and filler. The first part can comprise organosiloxane polymer and water. The second part can comprise crosslinker; adhesion promoter and catalyst. Either or both parts can optionally further comprise an organosilane such as hexamethyldisilazane (HMDS) or vinyltrimethoxysilane; plasticizer; colorant and filler. Cured reaction products of the two part curable organosiloxane composition has good adhesion to metallic sealing surfaces and good resistance engine oil and other automotive fluids. Cured reaction products of the two part curable organosiloxane composition can surprisingly retain physical properties after long-term exposure to temperatures between 200° C. and 250° C. and can retain physical properties after exposure to temperatures between 250° C. to 300° C.Type: ApplicationFiled: July 13, 2020Publication date: October 29, 2020Inventors: Christopher Verosky, Sebastien Lanau, Giorgio Zaffaroni
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Patent number: 10711135Abstract: A two part curable composition comprising organosiloxane polymer; water; an organosilane such as hexamethyldisilazane (HMDS) or vinyltrimethoxysilane; crosslinker; adhesion promoter and catalyst; and optionally comprising plasticizer; colorant and filler. The first part can comprise organosiloxane polymer and water. The second part can comprise crosslinker; adhesion promoter and catalyst. Either or both parts can optionally further comprise an organosilane such as hexamethyldisilazane (HMDS) or vinyltrimethoxysilane; plasticizer; colorant and filler. The mixed parts have a low viscosity allowing injection under low pressure. Cured reaction products of the two part curable organosiloxane composition has good adhesion to metallic sealing surfaces and good resistance engine oil and other automotive fluids. Cured reaction products of the two part curable organosiloxane composition can surprisingly retain physical properties after long-term exposure to temperatures between 200° C. and 250° C.Type: GrantFiled: January 5, 2018Date of Patent: July 14, 2020Assignee: Henkel IP & Holding GmbH and Henkel AG & Co. KGaAInventors: Christopher Verosky, Sebastien Lanau, Giorgio Zaffaroni
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Publication number: 20200056077Abstract: The present invention relates to two-component (2K) silicone-based adhesive compositions comprising an adhesion promotor, as well as to the use of such compositions. Furthermore, the present invention is directed to the use of a —Si(ORa)3 terminated polyorganosiloxane prepolymer, as described herein, for improving the adhesive properties of silicone-based adhesive compositions.Type: ApplicationFiled: October 24, 2019Publication date: February 20, 2020Inventors: Sebastien Lanau, Antonio Grauso, Alessio Faggianelli, Giorgio Zaffaroni
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Patent number: 10501592Abstract: The present invention relates to a process for cold bonding elastomeric rubber substrates to non-elastomeric substrates of a different material, preferably metal, by use of a rubber treatment, preferably a primer composition and a 2k adhesive, preferably a 2k epoxy adhesive as well as the thus obtained bonded substrates.Type: GrantFiled: January 2, 2018Date of Patent: December 10, 2019Assignee: Henkel AG & Co. KGaAInventors: Giorgio Zaffaroni, Eleonora Salmoiraghi, Manuela Brusa
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Patent number: 10160859Abstract: A thermoplastic composition which comprises at least one polyamide, which preferably has a melting point of less than 185° C., and at least one liquid polysiloxane compound which preferably has a viscosity of 750 to 100,000 mPas at 25° C. and is OH terminated, wherein the thermoplastic composition is obtainable by a process comprising the steps: 1a) heating the at least one polyamide to a temperature above the melting point of the at least one polyamide and preferably below 185° C.; 2a) adding under stirring the at least one liquid polysiloxane compound to the heated compound(s) of step 1a), wherein the temperature is kept above the melting point of the at least one polyamide and preferably below 185° C.; and 3a) mixing the obtained mixture of step 2a) preferably at 80° to 180° C., more preferably 110 to 140° C. Use of this the thermoplastic composition according to the present invention in sealants, adhesives, or as rheological modifier or surface modifier.Type: GrantFiled: June 5, 2017Date of Patent: December 25, 2018Assignee: Henkel AG & Co. KGaAInventors: Sebastien Lanau, Giorgio Zaffaroni, Luca Marchese, Sebastiano Moscardin
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Publication number: 20180127582Abstract: A two part curable composition comprising organosiloxane polymer; water; an organosilane such as hexamethyldisilazane (HMDS) or vinyltrimethoxysilane; crosslinker; adhesion promoter and catalyst; and optionally comprising plasticizer; colorant and filler. The first part can comprise organosiloxane polymer and water. The second part can comprise crosslinker; adhesion promoter and catalyst. Either or both parts can optionally further comprise an organosilane such as hexamethyldisilazane (HMDS) or vinyltrimethoxysilane; plasticizer; colorant and filler. The mixed parts have a low viscosity allowing injection under low pressure. Cured reaction products of the two part curable organosiloxane composition has good adhesion to metallic sealing surfaces and good resistance engine oil and other automotive fluids. Cured reaction products of the two part curable organosiloxane composition can surprisingly retain physical properties after long-term exposure to temperatures between 200° C. and 250° C.Type: ApplicationFiled: January 5, 2018Publication date: May 10, 2018Inventors: Christopher Verosky, Sebastien Lanau, Giorgio Zaffaroni
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Publication number: 20180118903Abstract: The present invention relates to a process for cold bonding elastomeric rubber substrates to non-elastomeric substrates of a different material, preferably metal, by use of a rubber treatment, preferably a primer composition and a 2k adhesive, preferably a 2k epoxy adhesive as well as the thus obtained bonded substrates.Type: ApplicationFiled: January 2, 2018Publication date: May 3, 2018Inventors: Giorgio Zaffaroni, Eleonora Salmoiraghi, Manuela Brusa
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Publication number: 20170267862Abstract: A thermoplastic composition which comprises at least one polyamide, which preferably has a melting point of less than 185° C., and at least one liquid polysiloxane compound which preferably has a viscosity of 750 to 100,000 mPas at 25° C. and is OH terminated, wherein the thermoplastic composition is obtainable by a process comprising the steps: 1a) heating the at least one polyamide to a temperature above the melting point of the at least one polyamide and preferably below 185° C.; 2a) adding under stirring the at least one liquid polysiloxane compound to the heated compound(s) of step 1a), wherein the temperature is kept above the melting point of the at least one polyamide and preferably below 185° C.; and 3a) mixing the obtained mixture of step 2a) preferably at 80° to 180° C., more preferably 110 to 140° C. Use of this the thermoplastic composition according to the present invention in sealants, adhesives, or as rheological modifier or surface modifier.Type: ApplicationFiled: June 5, 2017Publication date: September 21, 2017Inventors: Sebastien Lanau, Giorgio Zaffaroni, Luca Marchese, Sebastiano Moscardin
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Patent number: 9315698Abstract: The subject matter of the present application is a cold-curing two-component-epoxy adhesive, comprising (a) an epoxy-resin-component and (b) a curing agent-component, comprising a mercaptan curing agent, in which the epoxy-resin-component comprises a color change indicator. Also described is a method for monitoring the curing progress of cold-curing two-component-epoxy adhesive via color change of the adhesive.Type: GrantFiled: February 21, 2014Date of Patent: April 19, 2016Assignee: HENKEL AG & Co. KGAAInventors: Giorgio Zaffaroni, Antonello Talamini, Monica Noseda
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Patent number: 9249342Abstract: The subject matter of the present application is a curable adhesive composition having PTC characteristics after curing, containing (i) a reactive binder system, based on an epoxy-resin-component and a curing agent-component, (ii) particles of a carbon modification in a range of 0.01 wt % to 15.0 wt %, based on the total weight of the curable adhesive composition, and (iii) copper powder in a range of 0.5 wt % to 5.0 wt %, based on the total weight of the curable adhesive composition, wherein the reactive binder system comprises>70 wt % of all organic polymers of the adhesive composition.Type: GrantFiled: April 4, 2014Date of Patent: February 2, 2016Assignee: Henkel AG & Co. KGaAInventors: Giorgio Zaffaroni, Daniela Sicari, Eugen Bilcai
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Publication number: 20140218163Abstract: The subject matter of the present application is a curable adhesive composition having PTC characteristics after curing, containing (i) a reactive binder system, based on an epoxy-resin-component and a curing agent-component, (ii) particles of a carbon modification in a range of 0.01 wt % to 15.0 wt %, based on the total weight of the curable adhesive composition, and (iii) copper powder in a range of 0.5 wt % to 5.0 wt %, based on the total weight of the curable adhesive composition, wherein the reactive binder system comprises>70 wt % of all organic polymers of the adhesive composition.Type: ApplicationFiled: April 4, 2014Publication date: August 7, 2014Applicant: HENKEL AG & CO. KGAAInventors: Giorgio Zaffaroni, Daniela Sicari, Eugen Bilcai
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Publication number: 20140171552Abstract: The subject matter of the present application is a cold-curing two-component-epoxy adhesive, comprising (a) an epoxy-resin-component and (b) a curing agent-component, comprising a mercaptan curing agent, in which the epoxy-resin-component comprises a color change indicator. Also described is a method for monitoring the curing progress of cold-curing two-component-epoxy adhesive via color change of the adhesive.Type: ApplicationFiled: February 21, 2014Publication date: June 19, 2014Inventors: Giorgio Zaffaroni, Antonello Talamini, Monica Noseda