Patents by Inventor Reema Sinha
Reema Sinha 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: 12116464Abstract: A composition includes a polymer base resin, a fiber filler including a sizing agent component, and an additive. The sizing agent component includes a sizing agent and a reactive aid. The composition exhibits a notched Izod impact strength of 140 to 190 J/m, and an unnotched impact strength of 500 to 1200 J/m when tested in accordance with ASTM D256.Type: GrantFiled: April 11, 2019Date of Patent: October 15, 2024Assignee: SHPP Global Technologies B.V.Inventors: Qin Wang, Reema Sinha, Jian Yang
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Publication number: 20240279438Abstract: A thermoplastic composition includes: (a) a thermoplastic polymer component including a crystalline or semi-crystalline polymer: (b) carbon fiber: (c) from about 0.01 wt % to about 10 wt % of at least one nucleating agent including a non-electrically conducting filler, an organic nucleation agent, or a combination thereof; and (d) from 0 wt % to 30 wt % of an amorphous polymer. The carbon fiber has a nominal fiber diameter of from about 3 micron (?m) to about 13 ?m. The composition has a surface resistivity that is at least 50% lower than that of a substantially identical reference composition that does not include the at least one nucleating agent. The combined weight percent value of all components does not exceed 100 wt. %, and all weight percent values are based on the total weight of the thermoplastic composition.Type: ApplicationFiled: June 22, 2022Publication date: August 22, 2024Inventors: Reema SINHA, Jian YANG, Xingqiu WAN
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Publication number: 20210155765Abstract: A composition includes a polymer base resin, a fiber filler including a sizing agent component, and an additive. The sizing agent component includes a sizing agent and a reactive aid. The composition exhibits a notched Izod impact strength of 140 to 190 J/m, and an unnotched impact strength of 500 to 1200 J/m when tested in accordance with ASTM D256.Type: ApplicationFiled: April 11, 2019Publication date: May 27, 2021Inventors: Qin WANG, Reema SINHA, Jian YANG
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Publication number: 20200240075Abstract: Various embodiments disclosed relate to an aqueous dispersion. The aqueous dispersion includes a plurality of particles. Each of the particles includes a polycarbonate component. Individual particles of the polycarbonate component have substantially the same size. The dispersion further includes a plasticizer component and a surfactant component. In an embodiment, a sized carbon fiber tow can comprise: a polycarbonate sizing on a carbon fiber tow, wherein the polycarbonate sizing has a concentration of volatile organic compounds less than 10 ppm, preferably less than 5 ppm, or less than 2 ppm; and an average sizing content of at least 0.5 wt % of the carbon fiber tow with a coefficient of variation less than 15%, preferably less than 11%.Type: ApplicationFiled: August 1, 2018Publication date: July 30, 2020Inventors: Haimanti Datta, Jan Henk Kamps, Reema Sinha
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Publication number: 20200173100Abstract: In one embodiment, a sized carbon fiber tow can comprise: an unsized carbon fiber tow sized with a sizing agent; wherein the sized carbon fiber tow has: a) a fuzz count of less than 8 counts/20 meters; b) a sizing content of at least 0.4 wt % of the unsized carbon fiber tow; and c) drapability less than 5.5 cm. A method of preparing a sized carbon fiber tow, comprising: spreading an unsized carbon fiber tow having a surface energy of at least 70 mJ/m2, over a spreader unit at a throughput line speed of at least 3 meter/minute and forming spread carbon fibers; sizing the spread carbon fibers in a sizing bath at a throughput line speed of at least 3 meter/minute and forming sized carbon fibers; and drying the sized carbon fibers and forming the sized carbon fiber tow.Type: ApplicationFiled: August 1, 2018Publication date: June 4, 2020Inventor: Reema Sinha
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Publication number: 20200031021Abstract: Method for producing a fiber tape including spreading a strand of fibers into a spreaded fiber layer, immersing the spreaded fiber layer in a solution, and forming a fiber tape from the spreaded fiber layer by applying heat and/or pressure to the spreaded fiber layer.Type: ApplicationFiled: February 12, 2018Publication date: January 30, 2020Inventors: Reema Sinha, Anton Kumanan, Nikhil Verghese, Theofanis Theofanous, Kapil Inamdar
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Publication number: 20200002483Abstract: Various embodiments disclosed relate to a composition. The present disclosure includes a polypropylene component and a sized carbon-fiber component. An interface is formed between the polypropylene component and the sized carbon-fiber component.Type: ApplicationFiled: January 25, 2018Publication date: January 2, 2020Applicant: SABIC Global Technologies B.V.Inventors: Reema SINHA, Kapil INAMDAR, Sudha TANTRY, Shweta HEGDE
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Patent number: 10229767Abstract: The present disclosure relates to thermoplastic electrostatic dissipative (ESD) composites. The disclosed compositions comprise a thermoplastic resin phase and a filler composition comprising a conductive carbon black and a non-conductive polymer, dispersed within the thermoplastic resin phase. Also disclosed are methods for the manufacture of the disclosed composites and articles of manufacture comprising same.Type: GrantFiled: January 11, 2013Date of Patent: March 12, 2019Assignee: SABIC GLOBAL TECHNOLOGIES B.V.Inventors: Anton Kumanan, Reema Sinha, Susanta Mitra, Uchiyama Tatsuya
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Patent number: 9181430Abstract: Disclosed herein are compositions comprising a polymer comprising polyetherimide, polyetheretherketone, polyamide, polyoxyalkylene, or polyalkylene terephthalate, or a mixture thereof, and ultra-high molecular weight polyethylene, wherein the ultra-high molecular weight polyethylene comprises a surface modifier. Also disclosed are articles comprising one or more of the described compositions. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention.Type: GrantFiled: February 4, 2014Date of Patent: November 10, 2015Assignee: SABIC Global Technologies B.V.Inventors: Reema Sinha, Susanta Mitra, Pramila Sharma, Domenico La Camera, Mohammad Moniruzzaman
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Patent number: 9169371Abstract: Disclosed herein is a composition comprising an organic polymer and about 2 to about 10 weight percent of an ionic liquid. The ionic liquid can be a halogenated or non-halogenated ionic liquid. Disclosed herein too are articles manufactured from the composition.Type: GrantFiled: June 16, 2011Date of Patent: October 27, 2015Assignee: SABIC GLOBAL TECHNOLOGIES B.V.Inventors: Reema Sinha, Sangita Nandi, Susanta Mitra, Radha Kamalakaran, Edward Kung, Dwairath Dhar, Gurram Kishan
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Publication number: 20140243466Abstract: Disclosed herein are compositions comprising a polymer comprising polyetherimide, polyetheretherketone, polyamide, polyoxyalkylene, or polyalkylene terephthalate, or a mixture thereof, and ultra-high molecular weight polyethylene, wherein the ultra-high molecular weight polyethylene comprises a surface modifier. Also disclosed are articles comprising one or more of the described compositions. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention.Type: ApplicationFiled: February 4, 2014Publication date: August 28, 2014Inventors: Reema Sinha, Susanta Mitra, Pramila Sharma, Domenico La Camera
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Patent number: 8784719Abstract: Reinforced polyimide compositions that include a reinforcing filler and a polyamide flow promoter improve flow promotion while maintaining other mechanical, thermal, flame and/or electrical properties of the compositions. The compositions may include an inorganic or organic reinforcing filler, a polyimide resin such as polyetherimide or polyamideimide and a small amount of an aromatic or aliphatic polyamide as the flow promoter. The resulting compositions may be used in thinner-wall applications while still retaining the advantageous physical properties of reinforced polyimide compositions not having the flow promoter. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention.Type: GrantFiled: June 30, 2011Date of Patent: July 22, 2014Assignee: Sabic Global Technologies B.V.Inventors: Chandrashekhar Lingannaiah, Anton Kumanan, Reema Sinha, Anirban Ganguly, Susanta Mitra, Anne Bolvari, Zheng Yun
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Publication number: 20140197367Abstract: The present disclosure relates to thermoplastic electrostatic dissipative (ESD) composites. The disclosed compositions comprise a thermoplastic resin phase and a filler composition comprising a conductive carbon black and a non-conductive polymer, dispersed within the thermoplastic resin phase. Also disclosed are methods for the manufacture of the disclosed composites and articles of manufacture comprising same.Type: ApplicationFiled: January 11, 2013Publication date: July 17, 2014Applicant: SABIC INNOVATIVE PLASTICS IP B.V.Inventors: Anton Kumanan, Reema Sinha, Susanta Mitra, Uchiyama Tatsuya
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Publication number: 20130001824Abstract: Reinforced polyimide compositions that include a reinforcing filler and a polyamide flow promoter improve flow promotion while maintaining other mechanical, thermal, flame and/or electrical properties of the compositions. The compositions may include an inorganic or organic reinforcing filler, a polyimide resin such as polyetherimide or polyamideimide and a small amount of an aromatic or aliphatic polyamide as the flow promoter. The resulting compositions may be used in thinner-wall applications while still retaining the advantageous physical properties of reinforced polyimide compositions not having the flow promoter. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention.Type: ApplicationFiled: June 30, 2011Publication date: January 3, 2013Inventors: Chandrashekhar Lingannaiah, Anton Kumanan, Reema Sinha, Anirban Ganguly, Susanta Mitra, Anne Bolvari, Zheng Yun
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Publication number: 20120322703Abstract: Disclosed herein is a composition comprising an organic polymer and about 2 to about 10 weight percent of an ionic liquid. The ionic liquid can be a halogenated or non-halogenated ionic liquid. Disclosed herein too are articles manufactured from the composition.Type: ApplicationFiled: June 16, 2011Publication date: December 20, 2012Applicant: SABIC INNOVATIVE PLASTICSInventors: Reema Sinha, Sangita Nandi, Susanta Mitra, Radha Kamalakaran, Edward Kung, Dwairath Dhar, Gurram Kishan
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Patent number: 8188172Abstract: A composition is described, comprising: (a) from 20 to 80 wt % of a polyester; (b) from 5 to 35 wt % of a flame retardant phosphinate of the formula (I) [(R1)(R2)(PO)—O]?mMm+??(I), a flame retardant diphosphinate of the formula (II) [(O—POR1)(R3)(POR2—O)]2?nMxm+??(II), and/or a flame retardant polymer derived from the flame retardant phosphinate of the formula (I) or the flame retardant diphosphinate of the formula (II), wherein R1 and R2 are identical or different and are H, C1-C6-alkyl, linear or branched, or C6-C10-aryl; R3 is C1-C10-alkylene, linear or branched, C6-C10-arylene, -alkylarylene or -arylalkylene; M is an alkaline earth metal, alkali metal, Al, Ti, Zn, Fe, or boron; m is 1, 2, 3 or 4; n is 1, 2, or 3; and x is 1 or 2; (c) from 1 to 25 wt % of a melamine polyphosphate, melamine cyanurate, melamine pyrophosphate, and/or melamine phosphate; (d) from more than 0 to 25 wt % of a polyetherimide; and (e) optionally, an additive.Type: GrantFiled: October 11, 2007Date of Patent: May 29, 2012Assignee: Sabic Innovative Plastics IP B.V.Inventors: Somasundaram Elango, Rama Konduri, Subodh Kumar Pal, Reema Sinha, Veeraraghavan Srinivasan, Chris van der Weele, Gerrit de Wit
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Publication number: 20090036578Abstract: A composition is described, comprising: (a) from 20 to 80 wt % of a polyester; (b) from 5 to 35 wt % of a flame retardant phosphinate of the formula (I) [(R1)(R2)(PO)—O]?mMm+??(I), a flame retardant diphosphinate of the formula (II) [(O—POR1)(R3)(POR2—O)]2?nMxm+??(II), and/or a flame retardant polymer derived from the flame retardant phosphinate of the formula (I) or the flame retardant diphosphinate of the formula (II), wherein R1 and R2 are identical or different and are H, C1-C6-alkyl, linear or branched, or C6-C10-aryl; R3 is C1-C10-alkylene, linear or branched, C6-C10-arylene, -alkylarylene or -arylalkylene; M is an alkaline earth metal, alkali metal, Al, Ti, Zn, Fe, or boron; m is 1, 2, 3 or 4; n is 1, 2, or 3; and x is 1 or 2; (c) from 1 to 25 wt % of a melamine polyphosphate, melamine cyanurate, melamine pyrophosphate, and/or melamine phosphate; (d) from more than 0 to 25 wt % of a polyetherimide; and (e) optionally, an additive.Type: ApplicationFiled: October 11, 2007Publication date: February 5, 2009Applicant: SABIC INNOVATIVE PLASTICS IP BVInventors: Somasundaram Elango, Rama Konduri, Subodh Kumar Pal, Reema Sinha, Veeraraghavan Srinivasan, Chris van der Weele, Gerrit de Wit
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Publication number: 20070197696Abstract: A flame retardant resin composition comprising a polyester; wherein the polyester comprises from about 1 to about 15 mole percent of an unsaturated diol; a flame retardant compound, an organic compound comprising of at least one carboxyl reactive group. The composition possesses good stability and mechanical property. Also disclosed is a process to prepare these compositions and articles therefrom.Type: ApplicationFiled: February 21, 2006Publication date: August 23, 2007Inventors: Gaurav Mediratta, Subodh Pal, Reema Sinha, Deepak Ramaraju, Gomatam Ravi
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Publication number: 20070173572Abstract: A flame retardant resin composition comprising a polyester, a flame retardant compound, wherein said flame retardant compound comprises at least one P—H bond; an organic compound wherein said organic compound comprises of at least one carboxyl reactive group; and a phosphine suppressing additive compound. The composition possesses good stability and mechanical property. Also disclosed is a process to prepare these compositions and articles therefrom.Type: ApplicationFiled: January 20, 2006Publication date: July 26, 2007Inventors: Gaurav Mediratta, Subodh Pal, Reema Sinha, Srinivason Krishnaswami, Gomatam Ravi, Chris Weele, Rama Konduri, Kenneth Miller