Patents by Inventor Vijaykumar M. Mannari
Vijaykumar M. Mannari 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: 11912832Abstract: The disclosure relates to an organic-inorganic hybrid (OIH) polymeric composition and related methods for forming the same. The disclosure also relates to a polymeric composition as disclosed herein and related methods for forming the same. The OIH polymeric composition and the polymeric composition can be formed by UV-irradiating a corresponding composition including a Michael-addition (MA) acceptor compound, a Michael-addition (MA) donor compound, a silane compound, when present, and a photo-latent base initiator to form a corresponding base catalyst and catalyze the reactions forming the networked polymer. The OIH polymeric composition and the polymeric composition can be used as a coating on any of a variety of substrates or as an interlayer in an additive manufacturing process.Type: GrantFiled: July 11, 2022Date of Patent: February 27, 2024Assignee: EASTERN MICHIGAN UNIVERSITYInventors: Vijaykumar M. Mannari, Himanshu Manchanda, Hamidreza Asemani
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Publication number: 20220348724Abstract: The disclosure relates to an organic-inorganic hybrid (OIH) polymeric composition and related methods for forming the same. The disclosure also relates to a polymeric composition as disclosed herein and related methods for forming the same. The OIH polymeric composition and the polymeric composition can be formed by UV-irradiating a corresponding composition including a Michael-addition (MA) acceptor compound, a Michael-addition (MA) donor compound, a silane compound, when present, and a photo-latent base initiator to form a corresponding base catalyst and catalyze the reactions forming the networked polymer. The OIH polymeric composition and the polymeric composition can be used as a coating on any of a variety of substrates or as an interlayer in an additive manufacturing process.Type: ApplicationFiled: July 11, 2022Publication date: November 3, 2022Inventors: Vijaykumar M. Mannari, Himanshu Manchanda, Hamidreza Asemani
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Publication number: 20220275244Abstract: The disclosure relates to an organic-inorganic hybrid (OIH) polymeric composition and related methods for forming the same. The OIH polymeric composition is generally a networked or crosslinked polymer including an acid- or base-catalyzed reaction product between: a silane compound including at least 3 hydrolysable silyl groups, optionally, a polyisocyanate having at least two isocyanate groups, and optionally, a polyol having at least two hydroxyl groups. The OIH polymeric composition can further include a catalyst remaining after the curing of its monomer components. The OIH polymeric composition can be formed by UV-irradiating a corresponding UV-curable composition including the silane compound and a photo-latent catalyst initiator to form a corresponding catalyst and catalyze the reactions forming the networked polymer. The OIH polymeric composition can be used as a coating on any of a variety of substrates or in an additive manufacturing process.Type: ApplicationFiled: February 9, 2022Publication date: September 1, 2022Inventors: Vijaykumar M. Mannari, Hamidreza Asemani
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Patent number: 11414524Abstract: The disclosure relates to an organic-inorganic hybrid (OIH) polymeric composition and related methods for forming the same. The disclosure also relates to a polymeric composition as disclosed herein and related methods for forming the same. The OIH polymeric composition and the polymeric composition can be formed by UV-irradiating a corresponding composition including a Michael-addition (MA) acceptor compound, a Michael-addition (MA) donor compound, a silane compound, when present, and a photo-latent base initiator to form a corresponding base catalyst and catalyze the reactions forming the networked polymer. The OIH polymeric composition and the polymeric composition can be used as a coating on any of a variety of substrates or as an interlayer in an additive manufacturing process.Type: GrantFiled: October 28, 2020Date of Patent: August 16, 2022Assignee: EASTERN MICHIGAN UNIVERSITYInventors: Vijaykumar M. Mannari, Himanshu Manchanda, Hamidreza Asemani
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Publication number: 20220087921Abstract: The disclosure relates to aqueous and non-aqueous radiation-curable nail coating compositions having a substantial amount of bio-based material in the corresponding polymeric binder. The compositions incorporate a vinyl-functionalized epoxidized bio-based unsaturated compound, which provides substantial bio-based content, vinyl functionality for curing, and soft segment functionality for ease of removal. The aqueous coating compositions generally include (a) a bio-based polymeric binder including a reaction product between a polyurethane pre-polymer and the vinyl-functionalized epoxidized bio-based unsaturated compound, (b) a photoinitiator, and (c) water. The non-aqueous coating compositions generally include (a) a bio-based polymeric binder including the vinyl-functionalized epoxidized bio-based unsaturated compound, a reactive diluent, and a vinyl functional oligomer, and (b) a photoinitiator. Related methods of forming a nail coating are also disclosed.Type: ApplicationFiled: December 2, 2021Publication date: March 24, 2022Inventors: Vijaykumar M. Mannari, Forough Zareanshahraki
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Publication number: 20210122884Abstract: The disclosure relates to an organic-inorganic hybrid (OIH) polymeric composition and related methods for forming the same. The disclosure also relates to a polymeric composition as disclosed herein and related methods for forming the same. The OIH polymeric composition and the polymeric composition can be formed by UV-irradiating a corresponding composition including a Michael-addition (MA) acceptor compound, a Michael-addition (MA) donor compound, a silane compound, when present, and a photo-latent base initiator to form a corresponding base catalyst and catalyze the reactions forming the networked polymer. The OIH polymeric composition and the polymeric composition can be used as a coating on any of a variety of substrates or as an interlayer in an additive manufacturing process.Type: ApplicationFiled: October 28, 2020Publication date: April 29, 2021Inventors: Vijaykumar M. Mannari, Himanshu Manchanda, Hamidreza Asemani
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Publication number: 20200078288Abstract: The disclosure relates to aqueous and non-aqueous radiation-curable nail coating compositions having a substantial amount of bio-based material in the corresponding polymeric binder. The compositions incorporate a vinyl-functionalized epoxidized bio-based unsaturated compound, which provides substantial bio-based content, vinyl functionality for curing, and soft segment functionality for ease of removal. The aqueous coating compositions generally include (a) a bio-based polymeric binder including a reaction product between a polyurethane pre-polymer and the vinyl-functionalized epoxidized bio-based unsaturated compound, (b) a photoinitiator, and (c) water. The non-aqueous coating compositions generally include (a) a bio-based polymeric binder including the vinyl-functionalized epoxidized bio-based unsaturated compound, a reactive diluent, and a vinyl functional oligomer, and (b) a photoinitiator. Related methods of forming a nail coating are also disclosed.Type: ApplicationFiled: September 6, 2019Publication date: March 12, 2020Inventors: Vijaykumar M. Mannari, Forough Zareanshahraki
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Patent number: 10118986Abstract: The disclosure relates to curable polyepoxysilane compounds and compositions, methods related to curing of such compounds via hydrolysis and/or condensation to form coatings on a substrate, and coated articles formed from the curable polyepoxysilane compounds. The polyepoxysilane compounds are silane-functional precursors and can be used as coatings (or pretreatments) on various substrates (e.g., metals such as aluminum) and provide a substantial improvement in corrosion resistance relative to other anti-corrosion coatings. The silane-functional precursors can be prepared by reaction of functional silanes (e.g., amino-functional silanes or other epoxide-reactive functionalized silanes) with epoxide-containing organic or hydrocarbon compounds and oligomers/polymers thereof (e.g., glycidyl-type ethers or other epoxide-/oxirane-functionalized hydrocarbon compounds), for example including hydrocarbons with one or more aromatic hydrocarbon groups (e.g., in an aromatic polyether).Type: GrantFiled: March 10, 2014Date of Patent: November 6, 2018Assignee: EASTERN MICHIGAN UNIVERSITYInventor: Vijaykumar M. Mannari
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Patent number: 9944825Abstract: The disclosure relates to curable polysilyl phosphate compounds and compositions as well as related methods and flame-retardant textiles incorporating the same. Curable polysilyl phosphate compounds according to the disclosure include a hydrocarbon moiety comprising at least one phosphate group and more than two hydrolysable silyl groups linked to the hydrocarbon moiety. In some embodiments, the hydrocarbon moiety is derived from spirocyclic pentaerythritol diphosphoryl chloride. The curable polysilyl phosphate compound can applied to a textile substrate and then cured to provide a flame-retardant textile with the cured polysilyl phosphate compound as a coating bonded to the textile substrate.Type: GrantFiled: January 29, 2014Date of Patent: April 17, 2018Assignee: EASTERN MICHIGAN UNIVERSITYInventors: Subhas Ghosh, Vijaykumar M. Mannari, Vikas P. Joshi
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Patent number: 9879140Abstract: The disclosure relates to curable polyureasil compounds, methods related to curing of such compounds via hydrolysis and/or condensation to form coatings on a substrate, and coated articles formed from the curable polyureasil compounds. The polyureasil compounds are generally hydrocarbon-based, including multiple urea groups and multiple hydrolysable silyl groups per molecule. The hydrolysable silyl groups can be hydrolyzed and subsequently condensed to provide a networked polymeric structure with siloxane/urea linkages between polyureasil compound precursors to form a cured polyureasil composition useful as a coating for a substrate, in particular an anti-corrosion coating for a metallic substrate.Type: GrantFiled: October 29, 2014Date of Patent: January 30, 2018Assignee: EASTERN MICHIGAN UNIVERSITYInventor: Vijaykumar M. Mannari
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Publication number: 20150051340Abstract: The disclosure relates to curable polyureasil compounds, methods related to curing of such compounds via hydrolysis and/or condensation to form coatings on a substrate, and coated articles formed from the curable polyureasil compounds. The polyureasil compounds are generally hydrocarbon-based, including multiple urea groups and multiple hydrolysable silyl groups per molecule. The hydrolysable silyl groups can be hydrolyzed and subsequently condensed to provide a networked polymeric structure with siloxane/urea linkages between polyureasil compound precursors to form a cured polyureasil composition useful as a coating for a substrate, in particular an anti-corrosion coating for a metallic substrate.Type: ApplicationFiled: October 29, 2014Publication date: February 19, 2015Inventor: Vijaykumar M. Mannari
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Patent number: 8952093Abstract: The disclosure relates to water-dispersible polyurethane polymers as well as related polyurethane dispersion (PUD) compositions including the same, methods of making the same, methods of using the same, and articles coated with the same. The water-dispersible polyurethane polymer includes hydrophobic oligomeric polyether soft segments that include 1,2-di-substituted oxyethylene repeating units. The 1,2-di-substituted oxyethylene repeating units are derived from unsaturated fatty acid esters, such as from a distribution of epoxidized vegetable oil fatty acid esters subjected to a ring-opening polymerization process for oligomeric polyether polyol formation. The water-dispersible polyurethane polymer further includes hard segments common to other PUD compositions.Type: GrantFiled: February 15, 2012Date of Patent: February 10, 2015Assignee: Eastern Michigan UniversityInventor: Vijaykumar M. Mannari
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Patent number: 8900668Abstract: The disclosure relates to curable polyureasil compounds, methods related to curing of such compounds via hydrolysis and/or condensation to form coatings on a substrate, and coated articles formed from the curable polyureasil compounds. The polyureasil compounds are generally hydrocarbon-based, including multiple urea groups and multiple hydrolysable silyl groups per molecule. The hydrolysable silyl groups can be hydrolyzed and subsequently condensed to provide a networked polymeric structure with siloxane/urea linkages between polyureasil compound precursors to form a cured polyureasil composition useful as a coating for a substrate, in particular an anti-corrosion coating for a metallic substrate.Type: GrantFiled: April 5, 2012Date of Patent: December 2, 2014Assignee: Eastern Michigan UniversityInventor: Vijaykumar M. Mannari
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Publication number: 20140272420Abstract: The disclosure relates to curable polyepoxysilane compounds and compositions, methods related to curing of such compounds via hydrolysis and/or condensation to form coatings on a substrate, and coated articles formed from the curable polyepoxysilane compounds. The polyepoxysilane compounds are silane-functional precursors and can be used as coatings (or pretreatments) on various substrates (e.g., metals such as aluminum) and provide a substantial improvement in corrosion resistance relative to other anti-corrosion coatings. The silane-functional precursors can be prepared by reaction of functional silanes (e.g., amino-functional silanes or other epoxide-reactive functionalized silanes) with epoxide-containing organic or hydrocarbon compounds and oligomers/polymers thereof (e.g., glycidyl-type ethers or other epoxide-/oxirane-functionalized hydrocarbon compounds), for example including hydrocarbons with one or more aromatic hydrocarbon groups (e.g., in an aromatic polyether).Type: ApplicationFiled: March 10, 2014Publication date: September 18, 2014Applicant: EASTERN MICHIGAN UNIVERSITYInventor: Vijaykumar M. Mannari
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Publication number: 20140213131Abstract: The disclosure relates to curable polysilyl phosphate compounds and compositions as well as related methods and flame-retardant textiles incorporating the same. Curable polysilyl phosphate compounds according to the disclosure include a hydrocarbon moiety comprising at least one phosphate group and more than two hydrolysable silyl groups linked to the hydrocarbon moiety. In some embodiments, the hydrocarbon moiety is derived from spirocyclic pentaerythritol diphosphoryl chloride. The curable polysilyl phosphate compound can applied to a textile substrate and then cured to provide a flame-retardant textile with the cured polysilyl phosphate compound as a coating bonded to the textile substrate.Type: ApplicationFiled: January 29, 2014Publication date: July 31, 2014Applicant: EASTERN MICHIGAN UNIVERSITYInventors: Subhas Ghosh, Vijaykumar M. Mannari, Vikas P. Joshi
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Publication number: 20120258319Abstract: The disclosure relates to curable polyureasil compounds, methods related to curing of such compounds via hydrolysis and/or condensation to form coatings on a substrate, and coated articles formed from the curable polyureasil compounds. The polyureasil compounds are generally hydrocarbon-based, including multiple urea groups and multiple hydrolysable silyl groups per molecule. The hydrolysable silyl groups can be hydrolyzed and subsequently condensed to provide a networked polymeric structure with siloxane/urea linkages between polyureasil compound precursors to form a cured polyureasil composition useful as a coating for a substrate, in particular an anti-corrosion coating for a metallic substrate.Type: ApplicationFiled: April 5, 2012Publication date: October 11, 2012Applicant: EASTERN MICHIGAN UNIVERSITYInventor: Vijaykumar M. Mannari
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Publication number: 20120214938Abstract: The disclosure relates to water-dispersible polyurethane polymers as well as related polyurethane dispersion (PUD) compositions including the same, methods of making the same, methods of using the same, and articles coated with the same. The water-dispersible polyurethane polymer includes hydrophobic oligomeric polyether soft segments that include 1,2-di-substituted oxyethylene repeating units. The 1,2-di-substituted oxyethylene repeating units are derived from unsaturated fatty acid esters, such as from a distribution of epoxidized vegetable oil fatty acid esters subjected to a ring-opening polymerization process for oligomeric polyether polyol formation. The water-dispersible polyurethane polymer further includes hard segments common to other PUD compositions.Type: ApplicationFiled: February 15, 2012Publication date: August 23, 2012Applicant: EASTERN MICHIGAN UNIVERSITYInventor: Vijaykumar M. Mannari