Patents by Inventor Keshav Gautam
Keshav Gautam 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: 10907043Abstract: The present invention relates to a polymer composition (C) comprising at least one polyaryletherketone (PAEK), at least one polyphenylsulfone (PPSU), at least one polysulfone (PSU) and glass fibers having an elastic modulus of at least 76 GPa as measured according to ASTM D2343. Polymer composition (C) is very well suited for the manufacture of articles useful in areas as various as plumbing and electronics.Type: GrantFiled: March 8, 2018Date of Patent: February 2, 2021Assignee: SOLVAY SPECIALTY POLYMERS USA, LLCInventors: Keshav Gautam, Mohammad Jamal El-Hibri
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Patent number: 10683415Abstract: A composition [composition (C)] comprising from 1 to 90% by weight (wt. %) of at least one poly(aryl ether ketone) [(PAEK) polymer], from 1 to 25 wt. % of at least one polyphenylsulfone polymer [(PPSU) polymer], from 1 to 90 wt. % of at least one polyethersulfone polymer [(PES)polymer], and from 0.1 to 50 wt. % of at least one reinforcing filler, where all wt. % are based on the total weight of the composition (C) and the (PES) polymer has as melt flow rate (MFR) at a temperature of 380° C. and under a load of 2.16 kg according to ASTM D1238 of greater than 35 g/10 min.Type: GrantFiled: December 17, 2015Date of Patent: June 16, 2020Assignee: SOLVAY SPECIALTY POLYMERS USA, LLCInventors: Mohammad Jamal El-Hibri, Keshav Gautam
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Patent number: 10544303Abstract: The present invention relates to mobile electronic devices comprising at least one structural part made of a polymer composition (C) comprising at least one polyaryletherketone (PAEK), at least one aromatic sulfone polymer (SP) such as polyphenylsulfone (PPSU), polyethersulfone (PESU), polysulfone (PSU) or mixture thereof, and at least one reinforcing filler.Type: GrantFiled: December 17, 2012Date of Patent: January 28, 2020Assignee: SOLVAY SPECIALITY POLYMERS USA, LLC.Inventors: Keshav Gautam, Mohammad Jamal El-Hibri
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Publication number: 20180340062Abstract: Described herein are polymer compositions including at least one semi-crystalline, semi-aromatic polyester polymer and at least one impact modifier. The blends have excellent impact resistance and excellent dimensional stability. The blends also have excellent chemical resistance, whiteness, colorability and anodization resistance. The polymer compositions can optionally include at least one amorphous polymer. The at least one amorphous polymer can bean amorphous polycarbonate polymer or an amorphous polyester polymer or a polyester-carbonate. In some embodiments, the polymer composition can optionally include one or more additives. The polyester compositions described herein can be desirably incorporated into mobile electronic device components.Type: ApplicationFiled: August 29, 2016Publication date: November 29, 2018Applicant: SOLVAY SPECIALTY POLYMERS USA, LLCInventors: Mohammad Jamal EL-HIBRI, Keshav GAUTAM
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Publication number: 20180258284Abstract: The present invention relates to a polymer composition (C) comprising at least one polyaryletherketone (PAEK), at least one polyphenylsulfone (PPSU), at least one polysulfone (PSU) and glass fibers having an elastic modulus of at least 76 GPa as measured according to ASTM D2343. Polymer composition (C) is very well suited for the manufacture of articles useful in areas as various as plumbing and electronics.Type: ApplicationFiled: March 8, 2018Publication date: September 13, 2018Inventors: Keshav GAUTAM, Mohammad Jamal EL-HIBRI
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Publication number: 20180224895Abstract: The invention pertains to a mobile electronic device comprising at least one part made of a fluoropolymer composition comprising at least one at least one vinylidene fluoride polymer, at least one acrylic elastomer and optionally at least one methyl methacrylate polymer, to a method for the manufacture of said part and to a method for the manufacture of said mobile electronic device.Type: ApplicationFiled: July 26, 2016Publication date: August 9, 2018Applicant: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.Inventors: Geert J. VERFAILLIE, Kun LI, Keshav GAUTAM
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Patent number: 9938408Abstract: The present invention relates to a polymer composition (C) comprising at least one polyaryletherketone (PAEK), at least one polyphenylsulfone (PPSU), at least one polysulfone (PSU) and glass fibers having an elastic modulus of at least 76 GPa as measured according to ASTM D2343. Polymer composition (C) is very well suited for the manufacture of articles useful in areas as various as plumbing and electronics.Type: GrantFiled: December 18, 2012Date of Patent: April 10, 2018Assignee: SOLVAY SPECIALTY POLYMERS USA, LLC.Inventors: Keshav Gautam, Mohammad Jamal El-Hibri
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Publication number: 20180002524Abstract: A composition [composition (C)] comprising from 1 to 90% by weight (wt. %) of at least one poly(aryl ether ketone) [(PAEK) polymer], from 1 to 25 wt. % of at least one polyphenylsulfone polymer [(PPSU) polymer], from 1 to 90 wt. % of at least one polyethersulfone polymer [(PES)polymer], and from 0.1 to 50 wt. % of at least one reinforcing filler, where all wt. % are based on the total weight of the composition (C) and the (PES) polymer has as melt flow rate(MFR) at a temperature of 380° C. and under a load of 2.16 kg according to ASTM D1238 of greater than 35 g/10 min.Type: ApplicationFiled: December 17, 2015Publication date: January 4, 2018Applicant: SOLVAY SPECIALTY POLYMERS USA, LLCInventors: Mohammad Jamal EL-HIBRI, Keshav GAUTAM
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Publication number: 20170368762Abstract: A laser-weldable composition and method using the same, said composition comprising at least one amorphous polyamide made from the polycondensation of at least an acyclic aliphatic diamine comprising at least 10 carbon atoms and/or at least an acyclic aliphatic diacid comprising at least 10 carbon atoms, and at least a phthalic acid selected from the group consisting of terephthalic acid and isophthalic acid, at least one flat glass fiber; and at least one organic dye which absorbs radiation at a wavelength from 800 to 1400 nm.Type: ApplicationFiled: December 11, 2015Publication date: December 28, 2017Applicant: SOLVAY SPECIALTY POLYMERS USA, LLCInventors: Keshav GAUTAM, Linda M. NORFOLK, Suresh R. SRIRAM, Jiqiang XIA
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Patent number: 9777156Abstract: A composition [composition (C)] comprising from 1 to 90% by weight (wt. %) of at least one poly(aryl ether ketone) [(PAEK) polymer, herein after], from to 25 wt. % of at least one polyphenylsulfone polymer [(PPSU) polymer, herein after], from 1 to 90% wt. % of at least one poly(aryl ether sulfone) polymer [(P1) polymer, herein after], selected from a group consisting of at least one high temperature poly(aryl ether sulfone) polymer [(PAESHT) polymer, herein after] and at least one polyethersulfone polymer [(PESU) polymer, herein after]; from 0 to 50% wt. % of at least one reinforcing filler, and wherein all % are based on the total weight of the composition (C).Type: GrantFiled: November 8, 2013Date of Patent: October 3, 2017Assignee: SOLVAY SPECIALTY POLYMERS USA, LLC.Inventors: Mohammad Jamal El-Hibri, Keshav Gautam, Ahmed Khan
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Publication number: 20150259531Abstract: A composition [composition (C)] comprising from 1 to 90% by weight (wt. %) of at least one poly(aryl ether ketone) [(PAEK) polymer, herein after], from to 25 wt. % of at least one polyphenylsulfone polymer [(PPSU) polymer, herein after], from 1 to 90% wt. % of at least one poly(aryl ether sulfone) polymer [(P1) polymer, herein after], selected from a group consisting of at least one high temperature poly(aryl ether sulfone) polymer [(PAESHT) polymer, herein after] and at least one polyethersulfone polymer [(PESU) polymer, herein after]; from 0 to 50% wt. % of at least one reinforcing filler, and wherein all % are based on the total weight of the composition (C).Type: ApplicationFiled: November 8, 2013Publication date: September 17, 2015Applicant: SOLVAY SPECIALTY POLYMERS USA, LLC.Inventors: Mohammad Jamal El-Hibri, Keshav Gautam, Ahmed Khan
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Publication number: 20140357782Abstract: The present invention relates to mobile electronic devices comprising at least one structural part made of a polymer composition (C) comprising at least one polyaryletherketone (PAEK), at least one aromatic sulfone polymer (SP) such as poly phenylsulfone (PPSU), polyethersulfone (PESU), polysulfone (PSU) or mixture thereof, and at least one reinforcing filler.Type: ApplicationFiled: December 17, 2012Publication date: December 4, 2014Applicant: SOLVAY SPECIALTY POLYMERS USA, LLC.Inventors: Keshav Gautam, Mohammad Jamal El-Hibri
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Publication number: 20140343184Abstract: A method for manufacturing a thermo formed poly(biphenyl ether sulfone) foam article which comprises following three steps: Step 1. preparing a poly(biphenyl ether sulfone) foamable composition [composition (FP)], foaming the composition (FP) to yield a foamed poly(biphenyl ether sulfone) material [foam (P) material], and Step 2. molding said foam (P) material under the effect of heat and pressure to provide a thermoformed foamed article. Step 3. molding said foam (P) material under the effect of heat and pressure to provide a thermoformed foamed article.Type: ApplicationFiled: December 19, 2012Publication date: November 20, 2014Applicant: SOLVAY SPECIALTY POLYMERS USA, LLC.Inventors: Shari W. Axelrad, Keshav Gautam, Armin Klesing, Mohammad Jamal El-Hibri, Marc Schelles, Nirupama Kenkare
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Publication number: 20140322462Abstract: The present invention relates to a polymer composition (C) comprising at least one polyaryletherketone (PAEK), at least one polyphenylsulfone (PPSU), at least one polysulfone (PSU) and glass fibers having an elastic modulus of at least 76 GPa as measured according to ASTM D2343. Polymer composition (C) is very well suited for the manufacture of articles useful in areas as various as plumbing and electronics.Type: ApplicationFiled: December 18, 2012Publication date: October 30, 2014Applicant: SOLVAY SPECIALTY POLYMERS USA, LLC.Inventors: Keshav Gautam, Mohammad Jamal El-Hibri
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Publication number: 20100003523Abstract: A coated thermoplastic film can be subjected to printing to obtain a decorative film, preformed (for example, thermoformed), and then inserted into a mold that has the configuration of the preformed decorative film. A base polymeric structure comprising a polymer such as a polycarbonate or blend thereof can be injection molded to the exposed surface of the preformed decorative film. The molded structure has various applications such as cell phones or other electronic devices, automotive vehicles, appliances, display panels, lenses, etc. A process for making the molded article is also described. The coating for the coated thermoplastic film can be made from a UV-curable composition and can provide superior embossing and thermoformability, hardness, and adhesion, while providing enhanced chemical, scratch and abrasion resistance.Type: ApplicationFiled: July 2, 2008Publication date: January 7, 2010Applicant: SABIC INNOVATIVE PLASTICS IP B.V.Inventors: Andrei Sharygin, David Clinnin, Kwan Hongladarom, Jamuna Chakravarti, Keshav Gautam, Michael Matthew Laurin
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Publication number: 20070293626Abstract: A composition comprising composition comprising a polymer blend of a polyamide resin and block copolyestercarbonates resin comprising organic carbonate blocks alternating with arylate blocks, said arylate blocks comprising arylate structural units derived from a 1,3-dihydroxybenzene and at least one aromatic dicarboxylic acid and having a degree of polymerization of at least about 4. The composition preferable has favorable properties of clarity and chemical resistance.Type: ApplicationFiled: December 7, 2005Publication date: December 20, 2007Inventors: Shreyas Chakravarti, Keshav Gautam, Sung Kim, Ganesh Kannan
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Publication number: 20070147072Abstract: An optical structure is described. The optical structure includes a light source emitting light in a first wavelength range. The optical structure also includes a light redirecting element arranged to receive light from the light source and provide redirected light redirected in a preferred direction or orientation. The light redirecting element comprises a material which absorbs light in a second wavelength range within the first wavelength range such that the redirected light is in a third wavelength range.Type: ApplicationFiled: December 23, 2005Publication date: June 28, 2007Inventors: James Scobbo, Cherian Jacob, Robert Tatterson, Keshav Gautam
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Publication number: 20070135586Abstract: A composition comprising a polymer blend of a polyamide resin and an immiscible cycloaliphatic polyester resin portion which may include a polycarbonate resin and a compatibilizer to enhance transparency, chemical resistance and mechanical properties.Type: ApplicationFiled: December 9, 2005Publication date: June 14, 2007Inventors: Shreyas Chakravarti, Ganesh Kannan, Peter Vollenberg, Keshav Gautam
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Publication number: 20060287429Abstract: A translucent composition comprises an aromatic polycarbonate (PC) and poly(1,4-cyclohexane dimethylene 1,4-cyclohexanedicarboxcylate) hereinafter referred to as (PCCD), with the weight ratio of PC to PCCD in the range of 30 to 85 PC to 70 to 15 PCCD and a glass fiber at least about 0.75 mm in length with quantity of glass fiber from about 1 to about 50 wt. % of the composition wherein the refractive index of the PC/PCCD mixture and the glass fiber matched between the range of about 1.540 to about 1.570.Type: ApplicationFiled: November 21, 2005Publication date: December 21, 2006Inventors: Satish Gaggar, Dominique Arnould, Shreyas Chakravarti, Keshav Gautam