Patents by Inventor Vijaykumar IJERI
Vijaykumar IJERI 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: 12448526Abstract: The present disclosure provides compositions, articles thereof, and methods of forming compositions. In at least one aspect, a composition includes (1) an epoxy, (2) an amino or amido hardener, (3) a polyaniline, (4) a dopant selected from a triazolyl, a thiazolyl, a quinolinyl, a salicylate, a benzoate, a glycolate, a phosphate, a sulfonate, or combination(s) thereof; and (5) a pigment selected from titanium dioxide, silica, talc, mica, aluminium stearate, or combination(s) thereof. The polyaniline+dopant comprises 6 wt % or less, by total volume of the composition. The present disclosure provides substrates having a composition disposed thereon. In at least one aspect, a method includes introducing an acid form of a polyaniline to a hydroxide to form a polyaniline hydroxide. The method includes introducing a dopant to the polyaniline hydroxide to form a doped polyaniline.Type: GrantFiled: August 20, 2021Date of Patent: October 21, 2025Assignee: THE BOEING COMPANYInventors: Vijaykumar Ijeri, Stephen P. Gaydos, Patrick J. Kinlen, Sathiyanarayanan Sadagopan, Arunchandran Chenan, Jeyaram Ramachandran
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Patent number: 12421352Abstract: The present disclosure provides compositions, articles thereof, and methods of forming compositions. In at least one aspect, a composition includes (1) an epoxy, (2) an amino or amido hardener, (3) a polyaniline, (4) a dopant selected from a triazolyl, a thiazolyl, a quinolinyl, a salicylate, a benzoate, a glycolate, a phosphate, a sulfonate, an oxalate, or combination(s) thereof; and (5) a pigment selected from titanium dioxide, silica, talc, mica, aluminium stearate, or combination(s) thereof. The polyaniline+dopant comprises greater than 6 wt %, by weight of the composition. In at least one aspect, a method includes introducing an acid form of a polyaniline to a hydroxide to form a polyaniline hydroxide. The method includes introducing a dopant to the polyaniline hydroxide to form a doped polyaniline.Type: GrantFiled: April 2, 2024Date of Patent: September 23, 2025Assignee: The Boeing CompanyInventors: Vijaykumar Ijeri, Stephen P. Gaydos, Patrick J. Kinlen
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Patent number: 12054638Abstract: In certain aspects, a composition includes a monomer binder, a plurality of silica nanoparticles, a surface energy reducing additive, and a blend of a high polarity solvent and a low polarity solvent. The high polarity solvent has a dipole moment of about 1.2 or greater, and the low polarity solvent has a dipole moment of about 0.7 or less. In certain aspects, a coated substrate includes a substrate and a coating over the substrate. The substrate is selected from a group consisting of glass, polycarbonate, polyacrylate, and polyethylene terepthalate. The coating includes a polymer binder, a plurality of nanoparticles, and a surface energy reducing additive. The coated substrate has a transparency of at least about 80% light transmission at one or more wavelengths in a range of 380 nm to 740 nm.Type: GrantFiled: August 1, 2019Date of Patent: August 6, 2024Assignee: The Boeing CompanyInventors: Vijaykumar Ijeri, Stephen P. Gaydos, Jill E. Seebergh, Priyanka G. Dhirde, Anand Sawroop Khanna
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Publication number: 20240247105Abstract: The present disclosure provides compositions, articles thereof, and methods of forming compositions. In at least one aspect, a composition includes (1) an epoxy, (2) an amino or amido hardener, (3) a polyaniline, (4) a dopant selected from a triazolyl, a thiazolyl, a quinolinyl, a salicylate, a benzoate, a glycolate, a phosphate, a sulfonate, an oxalate, or combination(s) thereof; and (5) a pigment selected from titanium dioxide, silica, talc, mica, aluminium stearate, or combination(s) thereof. The polyaniline+dopant comprises greater than 6 wt %, by weight of the composition. In at least one aspect, a method includes introducing an acid form of a polyaniline to a hydroxide to form a polyaniline hydroxide. The method includes introducing a dopant to the polyaniline hydroxide to form a doped polyaniline.Type: ApplicationFiled: April 2, 2024Publication date: July 25, 2024Inventors: Vijaykumar IJERI, Stephen P. GAYDOS, Patrick J. KINLEN
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Patent number: 11987669Abstract: The present disclosure provides compositions, articles thereof, and methods of forming compositions. In at least one aspect, a composition includes (1) an epoxy, (2) an amino or amido hardener, (3) a polyaniline, (4) a dopant selected from a triazolyl, a thiazolyl, a quinolinyl, a salicylate, a benzoate, a glycolate, a phosphate, a sulfonate, an oxalate, or combination(s) thereof; and (5) a pigment selected from titanium dioxide, silica, talc, mica, aluminium stearate, or combination(s) thereof. The polyaniline+dopant comprises greater than 6 wt %, by weight of the composition. In at least one aspect, a method includes introducing an acid form of a polyaniline to a hydroxide to form a polyaniline hydroxide. The method includes introducing a dopant to the polyaniline hydroxide to form a doped polyaniline.Type: GrantFiled: August 20, 2021Date of Patent: May 21, 2024Assignee: THE BOEING COMPANYInventors: Vijaykumar Ijeri, Stephen P. Gaydos, Patrick J. Kinlen
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Publication number: 20240132753Abstract: A hydrophobic-icephobic composition includes a monomer binder, an organic solvent, and a hydrolyzed organosilane. The hydrolyzed organosilane is represented by a formula of R1—Si—(OH)3. The R1 group comprises an alkyl or a haloalkyl having from 3 to 40 carbons. A hydrophobic-icephobic coating over a substrate includes a polymer base and a polyorganosiloxane. The polyorganosiloxane includes —(R1—Si—O2)- units. The R1 group includes an alkyl or a haloalkyl having from 3 to 40 carbons. One or more of the —(R1—Si—O2)- units of the polyorganosiloxane are may be chemically bonded to the substrate.Type: ApplicationFiled: December 29, 2023Publication date: April 25, 2024Inventors: Vijaykumar Ijeri, Stephen P. Gaydos, Jill E. Seebergh, Priyanka G. Dhirde, Anand Sawroop Khanna
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Publication number: 20220112380Abstract: The present disclosure provides compositions, articles thereof, and methods of forming compositions. In at least one aspect, a composition includes (1) an epoxy, (2) an amino or amido hardener, (3) a polyaniline, (4) a dopant selected from a triazolyl, a thiazolyl, a quinolinyl, a salicylate, a benzoate, a glycolate, a phosphate, a sulfonate, or combination(s) thereof; and (5) a pigment selected from titanium dioxide, silica, talc, mica, aluminium stearate, or combination(s) thereof. The polyaniline+dopant comprises 6 wt % or less, by total volume of the composition. The present disclosure provides substrates having a composition disposed thereon. In at least one aspect, a method includes introducing an acid form of a polyaniline to a hydroxide to form a polyaniline hydroxide. The method includes introducing a dopant to the polyaniline hydroxide to form a doped polyaniline.Type: ApplicationFiled: August 20, 2021Publication date: April 14, 2022Inventors: Vijaykumar Ijeri, Stephen P. Gaydos, Patrick J. Kinlen, Sathiyanarayanan Sadagopan, Arunchandran Chenan, Jeyaram Ramachandran
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Publication number: 20220112336Abstract: The present disclosure provides compositions, articles thereof, and methods of forming compositions. In at least one aspect, a composition includes (1) an epoxy, (2) an amino or amido hardener, (3) a polyaniline, (4) a dopant selected from a triazolyl, a thiazolyl, a quinolinyl, a salicylate, a benzoate, a glycolate, a phosphate, a sulfonate, an oxalate, or combination(s) thereof; and (5) a pigment selected from titanium dioxide, silica, talc, mica, aluminium stearate, or combination(s) thereof. The polyaniline+dopant comprises greater than 6 wt %, by weight of the composition. In at least one aspect, a method includes introducing an acid form of a polyaniline to a hydroxide to form a polyaniline hydroxide. The method includes introducing a dopant to the polyaniline hydroxide to form a doped polyaniline.Type: ApplicationFiled: August 20, 2021Publication date: April 14, 2022Inventors: Vijaykumar IJERI, Stephen P. GAYDOS, Patrick J. KINLEN
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Publication number: 20210032477Abstract: In certain aspects, a composition includes a monomer binder, a plurality of silica nanoparticles, a surface energy reducing additive, and a blend of a high polarity solvent and a low polarity solvent. The high polarity solvent has a dipole moment of about 1.2 or greater, and the low polarity solvent has a dipole moment of about 0.7 or less. In certain aspects, a coated substrate includes a substrate and a coating over the substrate. The substrate is selected from a group consisting of glass, polycarbonate, polyacrylate, and polyethylene terepthalate. The coating includes a polymer binder, a plurality of nanoparticles, and a surface energy reducing additive. The coated substrate has a transparency of at least about 80% light transmission at one or more wavelengths in a range of 380 nm to 740 nm.Type: ApplicationFiled: August 1, 2019Publication date: February 4, 2021Inventors: Vijaykumar IJERI, Stephen P. GAYDOS, Jill E. SEEBERGH, Priyanka G. DHIRDE, Anand Sawroop KHANNA
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Publication number: 20210032498Abstract: A hydrophobic-icephobic composition includes a monomer binder, an organic solvent, and a hydrolyzed organosilane. The hydrolyzed organosilane is represented by a formula of R1—Si—(OH)3. The R1 group comprises an alkyl or a haloalkyl having from 3 to 40 carbons. A hydrophobic-icephobic coating over a substrate includes a polymer base and a polyorganosiloxane. The polyorganosiloxane includes —(R1—Si—O2)— units. The R1 group includes an alkyl or a haloalkyl having from 3 to 40 carbons. One or more of the —(R1—Si—O2)— units of the polyorganosiloxane are may be chemically bonded to the substrate.Type: ApplicationFiled: August 1, 2019Publication date: February 4, 2021Inventors: Vijaykumar IJERI, Stephen P. GAYDOS, Jill E. SEEBERGH, Priyanka G. DHIRDE, Anand Sawroop KHANNA
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Publication number: 20210017659Abstract: The present disclosure provides electrolyte solutions for electrodeposition of chromium-iron alloys and methods of electrodepositing chromium-iron alloys. An electrolyte solution for electroplating can include a trivalent chromium salt, an oxalate compound, an iron salt, an aluminum sulfate, an alkali metal sulfate, and an alkali metal halide. An electrolyte solution can be formed by dissolving a trivalent chromium salt, an oxalate compound, an iron salt, an aluminum sulfate, an alkali metal sulfate, and an alkali metal halide in water or an aqueous solution. Electrodepositing chromium-iron alloys on a substrate can include introducing a cathode and an anode into an electrolyte solution comprising a trivalent chromium salt, an oxalate compound, an iron salt, an aluminum sulfate, an alkali metal sulfate, and an alkali metal halide. Electrodepositing can further include passing a current between the cathode and the anode through the electrolyte solution to deposit chromium and iron onto the cathode.Type: ApplicationFiled: July 18, 2019Publication date: January 21, 2021Inventors: Vijaykumar IJERI, Stephen P. GAYDOS, Subramanian MOHAN