Patents by Inventor Manesh Nadupparambil Sekharan
Manesh Nadupparambil Sekharan 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: 20250066624Abstract: An aqueous matte finish coating composition, including: at least one acrylic dispersion with a plurality of crosslinked particles comprising a plurality of first acrylic particles having a median weight average particle size of less than or equal to 4 microns in diameter and a surface Young's modulus of greater than or equal to 450 megapascals; a process for producing the above aqueous matte coating composition; and a coated substrate coated with a dry coating made using the above aqueous matte coating composition.Type: ApplicationFiled: February 2, 2022Publication date: February 27, 2025Applicant: Rohm and Haas CompanyInventors: Yinzhong Guo, Ibrahim Eryazici, Himal H. Ray, Yuanqiao Rao, Amira A. Marine, Manesh Nadupparambil Sekharan, Vinita Yadav, Christopher I. Gandy
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Publication number: 20240207795Abstract: An aqueous solvent composition (or separation fluid composition) including an aqueous mixture of (a) a solvent and (b) water for swelling, degrading, and/or fully dissolving adhesives; wherein the molecular weight of the solvent in the aqueous mixture is less than 1,000 g/mol; wherein the Hansen Solubility parameters of the solvent are in the following ranges: (i) a dispersive component from 15 MPa1/2 to 21 MPa1/2; (ii) a polar component from 3 MPa1/2 to 10.Type: ApplicationFiled: March 22, 2022Publication date: June 27, 2024Inventors: Jillian A. Emerson, Scott T. Matteucci, Brian R. Dorvel, Vikram Prasad, Manesh Nadupparambil Sekharan, Christopher J. Tucker, Craig F. Gorin, Amira A. Marine
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Publication number: 20240101855Abstract: A coated article having recyclability properties including a combination of: (a) at least one polyolefin polymer article; and (b) a coating layer of a waterborne acrylic-based matte coating composition having a recyclability property, wherein the recyclability property of the waterborne acrylic-based matte coating composition is such that when the article with the waterborne acrylic-based matte coating composition is reprocessed, the article with the waterborne acrylic-based matte coating composition exhibits at least less than a 30% decreased change in performance compared to a control article without the waterborne acrylic-based matte coating composition; wherein both the control article and the article with the waterborne acrylic-based matte coating composition are both reprocessed the same way; a recyclable coated film structure including at least: (a) at least one first polymer film layer; and (b) at least one coating layer of the above recyclable waterborne acrylic-based matte coating composition; and aType: ApplicationFiled: November 9, 2021Publication date: March 28, 2024Inventors: Manesh Nadupparambil Sekharan, Yinzhong Guo, Lawrence J. Effler, Jr., Sudhanwa D. Dewasthale, Christopher I. Gandy
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Publication number: 20240001656Abstract: An article having recyclability properties including a combination of: (a) at least one polyolefin polymer; and (b) a waterborne adhesive composition having a recyclability property, wherein the recyclability property of the waterborne adhesive composition is such that when the article with the waterborne adhesive composition is reprocessed, the article with the waterborne adhesive composition exhibits less than a 40% decreased change in performance compared to a control article without the waterborne adhesive composition that is reprocessed the same way as the article with the waterborne adhesive composition; a recyclable laminate structure including (a) at least one first polymer film layer; and (?) at least one layer of the above waterborne laminating adhesive composition; and a process for manufacturing the above recyclable laminate structure.Type: ApplicationFiled: November 9, 2021Publication date: January 4, 2024Inventors: James A. Walker, Lawrence J. Effler, JR., Sudhanwa D. Dewasthale, Amira A. Marine, Manesh Nadupparambil Sekharan, Jill M. Martin, Mai Chen, Yinzhong Guo, Christopher I. Gandy
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Publication number: 20240001657Abstract: An article having recyclability properties including a combination of: (a) a polyolefin polymer; and (b) a solvent-borne adhesive composition having a recyclability property, wherein the recyclability property of the solvent-borne adhesive composition is such that when the article with the solvent-borne adhesive composition is reprocessed, the article with the solvent-borne adhesive composition exhibits less than a 40% decreased change in performance compared to a control article without the solvent-borne adhesive composition that is reprocessed the same way as the article with the solvent-borne adhesive composition; a recyclable laminate structure including at least: (a) at least a first polymer film layer; and (b) a layer of the above solvent-borne laminating adhesive composition; and a process for manufacturing the above recyclable laminate structure.Type: ApplicationFiled: November 9, 2021Publication date: January 4, 2024Inventors: James A. Walker, Lawrence J. Effler, JR., Sudhanwa D. Dewasthale, Amira A. Marine, Manesh Nadupparambil Sekharan, Jill M. Martin, Mai Chen, Yinzhong Guo, Christopher I. Gandy
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Patent number: 11718934Abstract: A method of preparing a resin infused random fiber mat including the step of forming a liquid dispersion mat of polymeric resin and fiber on a porous substrate.Type: GrantFiled: February 14, 2018Date of Patent: August 8, 2023Assignee: Dow Global Technologies LLCInventors: Craig F. Gorin, Manesh Nadupparambil Sekharan, Jason A. Reese, Amit K. Chaudhary, Daniel L. Dermody, Kevin J. Bouck, Rebekah K. Feist, Thomas J. Parsons, David H. Bank
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Publication number: 20210395555Abstract: The present disclosure provides a process. In an embodiment, the process includes forming an aqueous matte coating composition including A1) beads of a first acrylic polymer having an average particle diameter from 0.1 ?m to 2 ?m; A2) beads of a second acrylic polymer having an average particle diameter from 0.5 ?m to 30 ?m; B) an acrylic polymer binder; C) from 0.15 wt % to 2.5 wt % of a slip additive; D) from 0.10 wt % to 0.30 wt % of a defoaming agent; E) from 0.8 wt % to 1.5 wt % of a rheology modifier; and F) from 0.01 wt % to 0.1 wt % of at least one wetting agent. The aqueous matte coating composition is applied to a substrate and then dried to form a coating on the substrate.Type: ApplicationFiled: October 2, 2019Publication date: December 23, 2021Inventors: Yinzhong Guo, Manesh Nadupparambil Sekharan, Yuming Lai
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Publication number: 20210292564Abstract: A method for preparing a treated cellulosic material comprising: providing a cellulosic material; a treatment protocol comprising impregnating the cellulosic material with an aqueous dispersion comprising a polybutene and a stabilizing agent.Type: ApplicationFiled: September 28, 2017Publication date: September 23, 2021Inventors: Xue CHEN, Stephen W. KING, Manesh Nadupparambil SEKHARAN
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Patent number: 11000972Abstract: The present disclosure provides a process. The process includes (i) melt blending, in an extruder, (a) a polyolefin phase and (b) an aqueous phase in the presence of (c) at least one dispersant selected from an acrylic dispersant, a poloxamer dispersant, and combinations thereof; (ii) producing an interfacial tension from 0.1 dynes/cm to 25 dynes/cm; (iii) forming a polyolefin aqueous dispersion having from 25 wt % to 90 wt % solids content of dispersion; and (iv) removing the water from the polyolefin aqueous dispersion to form a powder. The powder has a mean volume average particle size from 10 ?m to 300 ?m, a sphericity from 0.92 to 1.0, a particle size distribution from 1 to less than 2, and a particle density from 98% to 100%.Type: GrantFiled: October 22, 2018Date of Patent: May 11, 2021Assignees: Dow Global Technologies LLC, Rohm and Haas CompanyInventors: Craig F. Gorin, Sanjib Biswas, Manesh Nadupparambil Sekharan, Thomas L. Tomczak, Robert S. Moglia, Daniel L. Dermody, Harpreet Singh, Bryan L. McCulloch
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Publication number: 20210115202Abstract: A method of preparing a resin infused random fiber mat including the step of forming a liquid dispersion mat of polymeric resin and fiber on a porous substrate.Type: ApplicationFiled: February 14, 2018Publication date: April 22, 2021Inventors: Craig F. Gorin, Manesh Nadupparambil Sekharan, Jason A. Reese, Amit K. Chaudhary, Daniel L. Dermody, Kevin J. Bouck, Rebekah K. Feist, Thomas J. Parsons, David H. Bank
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Publication number: 20200247010Abstract: The present disclosure provides a process. The process includes (i) melt blending, in an extruder, (a) a polyolefin phase and (b) an aqueous phase in the presence of (c) at least one dispersant selected from an acrylic dispersant, a poloxamer dispersant, and combinations thereof; (ii) producing an interfacial tension from 0.1 dynes/cm to 25 dynes/cm; (iii) forming a polyolefin aqueous dispersion having from 25 wt % to 90 wt % solids content of dispersion; and (iv) removing the water from the polyolefin aqueous dispersion to form a powder. The powder has a mean volume average particle size from 10 ?m to 300 ?m, a sphericity from 0.92 to 1.0, a particle size distribution from 1 to less than 2, and a particle density from 98% to 100%.Type: ApplicationFiled: October 22, 2018Publication date: August 6, 2020Inventors: Craig F. Gorin, Sanjib Biswas, Manesh Nadupparambil Sekharan, Thomas L. Tomczak, Robert S. Moglia, Daniel L. Dermody, Harpreet Singh, Bryan L. McCulloch
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Patent number: 10723892Abstract: The present invention provides a method comprising rotational molding a powdered polyolefin elastomer composition to form a skin, the composition formed by spray drying an aqueous polyolefin dispersion composition which is itself formed by melt blending a polyolefin composition comprising an olefin block copolymer, a dispersing agent, and water, wherein said aqueous dispersion preferably has a pH less than 12.Type: GrantFiled: March 1, 2016Date of Patent: July 28, 2020Assignee: Dow Global Technologies LLCInventors: Parvinder S. Walia, Liang Hong, Mary Ann Jones, David L. Malotky, Manesh Nadupparambil Sekharan
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Patent number: 10323314Abstract: This invention relates to an autodeposition bath composition comprising a nitrogen containing compound, said bath being suitable for generating a uniform autodeposition coating on two or more of ferrous, aluminum, magnesium and zinciferous multi-metal substrate surfaces, treated either sequentially or simultaneously. The invention also provides autodeposition concentrate compositions for use in the bath, methods of making and using the concentrate and bath, as well as metal articles comprising an autodeposition coating according to the invention.Type: GrantFiled: June 15, 2012Date of Patent: June 18, 2019Assignee: Henkel AG & Co. KGaAInventors: Girdhari Kumar, Manesh Nadupparambil Sekharan, Bashir M. Ahmed, Xueting Qiu, Omar L. Abu-Shanab, Brian J. Marvin
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Patent number: 10106680Abstract: The present invention provides aqueous, epoxy-based sizing compositions for carbon fibers. The size composition incorporates highly functionalized film forming epoxy novolac phenolic resins in combination with highly functionalized sulfonated polyesters having high Tg characteristics, sulfonate equivalent weights in the range from 2000 to 20,000 and number average molecular weights in the range from about 1000 to about 100,000. The present invention also provides corresponding sized carbon fibers and fiber-reinforced matrices.Type: GrantFiled: April 6, 2015Date of Patent: October 23, 2018Assignee: DOW GLOBAL TECHNOLOGIES LLCInventors: Bhawesh Kumar, Manesh Nadupparambil Sekharan, Tzu-Chi Kuo, Timothy J. Young, Adam H. Broderick
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Publication number: 20180044536Abstract: The present invention relates to a method to make a rotational molded skin from a powdered polyolefin elastomer composition derived from spray drying an aqueous polyolefin dispersion composition wherein the aqueous polyolefin dispersion composition is derived from melt blending a polyolefin composition comprising an olefin block copolymer, a dispersing agent, and water, wherein said aqueous dispersion preferably has a pH less than 12.Type: ApplicationFiled: March 1, 2016Publication date: February 15, 2018Inventors: Parvinder S. Walia, Liang Hong, Mary Ann Jones, David L. Malotky, Manesh Nadupparambil Sekharan
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Patent number: 9718092Abstract: A method for coating a metal substrate with a white, off-white or gray colored autodeposited coating comprising water, polymeric resin, HF and pigment particles comprising a core of titanium dioxide, an intermediate zirconia and/or alumina layer, and an outer organic layer, optionally the particles are treated with an anionic surfactant.Type: GrantFiled: September 8, 2014Date of Patent: August 1, 2017Assignee: Henkel AG & Co. KGaAInventors: Omar Lufti Abu-Shanab, Bashir Ahmed, Manesh Nadupparambil Sekharan, William E. Fristad, Nicholas Herdzik
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Publication number: 20170174881Abstract: The present invention provides aqueous, epoxy-based sizing compositions for carbon fibers. The size composition incorporates highly functionalized film forming epoxy novolac phenolic resins in combination with highly functionalized sulfonated polyesters having high Tg characteristics, sulfonate equivalent weights in the range from 2000 to 20,000 and number average molecular weights in the range from about 1000 to about 100,000. The present invention also provides corresponding sized carbon fibers and fiber-reinforced matrices.Type: ApplicationFiled: April 6, 2015Publication date: June 22, 2017Inventors: Bhawesh Kumar, Manesh Nadupparambil Sekharan, Tzu-Chi Kuo, Timothy J. Young, Adam H. Broderick
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Patent number: 9605177Abstract: A waterborne dispersion containing a high molecular weight cycloaliphatic epoxy resin based on a diglycidyl ether of a cycloaliphatic diol polymerized with, for example, a diphenolic or diacid compound.Type: GrantFiled: April 1, 2013Date of Patent: March 28, 2017Assignee: BLUE CUBE IP LLCInventors: Houxiang Tang, Manesh Nadupparambil Sekharan, Ray E. Drumright, Yinzhong Guo
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Patent number: 9574079Abstract: The present invention provides substantially formaldehyde free aqueous thermosetting binder resins from resorcinol and cycloaliphatic dialdehydes, glutaraldehyde or their mixtures and urea which may be excluded or included up to amounts which deter hot wet tensile strength in the cured binder. The compositions provide binders that on a performance cost basis are equivalent to phenol formaldehyde resins but without the formaldehyde.Type: GrantFiled: November 25, 2014Date of Patent: February 21, 2017Assignees: Rohm and Haas Company, Dow Global Technologies LLCInventors: William C. Finch, Sudhir M. Mulik, Manesh Nadupparambil Sekharan
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Publication number: 20160152822Abstract: Novel one-part thermoset composition capable of being combined with a reinforcement component such as continuous, woven mat, chopped or recycled fibers in a process to create a molding compound for the formation of composites.Type: ApplicationFiled: August 12, 2014Publication date: June 2, 2016Inventors: Matthew T. Bishop, Jodi M. Mecca, Manesh Nadupparambil Sekharan, Robert W. Sandoval