Patents by Inventor Theodorus Lambertus Hoeks
Theodorus Lambertus Hoeks 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: 12006432Abstract: In an embodiment, a composition comprises a polycarbonate; 1 to 5 wt % based on a total weight of the composition of a nanosilica having a D50 particle size by volume of 5 to 50 nanometers; wherein the nanosilica has a hydrophobic coating; and a siloxane domain having repeat units of the formula 10; wherein each R is independently a C1-13 monovalent organic group and the value of E is 2 to 1,000; wherein the composition comprises at least one of a polycarbonate-polysiloxane copolymer, 0.1 to 5 wt % of a polysiloxane homopolymer based on the total weight of the composition, or a plurality of polysiloxane particles having a D50 particle size by volume of 0.1 to 10 micrometers.Type: GrantFiled: March 11, 2019Date of Patent: June 11, 2024Assignee: SHPP Global Technologies B.V.Inventors: Vaidyanath Ramakrishnan, Sepehr Harsiny, Johannes Gerardus Petrus Goossens, Johannes Martinus Dina Goossens, Theodorus Lambertus Hoeks, Devendra Bajaj, Pooja Bajaj
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Publication number: 20240166841Abstract: Disclosed is a thermoplastic composition comprising from about 40 wt. % to about 95 wt. % of a thermoplastic resin, wherein the thermoplastic resin comprises a semicrystalline polymer; and from about 0.1 wt. % to about 5 wt. % of carbon nanotubes, wherein the carbon nanotubes have an aspect ratio less than about 200, wherein the composition exhibits a percent improvement in creep of at least 40% when measured in accordance with ASTM E139, and wherein 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 composition.Type: ApplicationFiled: March 31, 2022Publication date: May 23, 2024Inventors: Arno HAGENAARS, Franciscus Petrus Maria MERCX, Robert Dirk VAN DE GRAMPEL, Sidney VASTENHOUT, Theodorus Lambertus HOEKS, Vaidyanath RAMAKRISHNAN
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Publication number: 20240172563Abstract: The invention is directed to a piezoelectric composite comprising (a) a polymer matrix; and (b) a plurality of coated piezoelectric filler particles that are dispersed in the polymer matrix. Further, each of the plurality of coated piezoelectric filler particles comprises a piezoelectric material having at least a portion of its outer surface coated with a polymeric material that has at least one polar functional group. The invention is further directed towards films containing such piezoelectric composites and methods of preparing such films.Type: ApplicationFiled: March 25, 2022Publication date: May 23, 2024Inventors: Soma Guhathakurta, Theodorus Lambertus Hoeks, Tadhg Mahon
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Publication number: 20230323077Abstract: A piezoelectric composite comprising (a) an olefin copolymer and (b) a plurality of piezoelectric filler particles is disclosed. Each of the plurality of piezoelectric filler particles can be dispersed in the olefin copolymer. Also disclosed are films containing such piezoelectric composites and methods of preparing such films.Type: ApplicationFiled: August 20, 2021Publication date: October 12, 2023Inventors: Soma Guhathakurta, Theodorus Lambertus Hoeks, Suresh Velate
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Patent number: 11492488Abstract: A particulate material for powder bed fusion has specific particle size characteristics and includes a thermoplastic and a sulfonate salt having the structure (A), wherein Z is a phosphorus atom or a nitrogen atom; each occurrence of X is independently halogen or hydrogen provided that at least one X is halogen; b, d, and e are integers from zero to 12; c is 0 or 1 provided that when c is 1, d and e are not both zero; R11_13 are each independently C1-C12 hydrocarbyl; R14 is C1-C18 hydrocarbyl; and Y is selected from (B)—wherein R15 is hydrogen or C1-C12 hydrocarbyl. Also described is a method of powder bed fusion utilizing the particulate material.Type: GrantFiled: July 29, 2020Date of Patent: November 8, 2022Assignee: SHPP GLOBAL TECHNOLOGIES B.V.Inventors: Bruke Daniel Jofore, Hao Gu, Theodorus Lambertus Hoeks, Johannes Martinus Dina Goossens, Brian Price
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Publication number: 20220204759Abstract: A particulate material for powder bed fusion has specific particle size characteristics and includes a thermoplastic and a sulfonate salt having the structure (A), wherein Z is a phosphorus atom or a nitrogen atom; each occurrence of X is independently halogen or hydrogen provided that at least one X is halogen; b, d, and e are integers from zero to 12; c is 0 or 1 provided that when c is 1, d and e are not both zero; R11-13 are each independently C1-C12 hydrocarbyl; R14 is C1-C18 hydrocarbyl; and Y is selected from (B)—wherein R15 is hydrogen or C1-C12 hydrocarbyl. Also described is a method of powder bed fusion utilizing the particulate material.Type: ApplicationFiled: July 29, 2020Publication date: June 30, 2022Inventors: Bruke Daniel JOFORE, Hao GU, Theodorus Lambertus HOEKS, Johannes Martinus Dina GOOSSENS, Brian Price
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Publication number: 20210002479Abstract: In an embodiment, a composition comprises a polycarbonate; 1 to 5 wt % based on a total weight of the composition of a nanosilica having a D50 particle size by volume of 5 to 50 nanometers; wherein the nanosilica has a hydrophobic coating; and a siloxane domain having repeat units of the formula 10; wherein each R is independently a C1-13 monovalent organic group and the value of E is 2 to 1,000; wherein the composition comprises at least one of a polycarbonate-polysiloxane copolymer, 0.1 to 5 wt % of a polysiloxane homopolymer based on the total weight of the composition, or a plurality of polysiloxane particles having a D50 particle size by volume of 0.1 to 10 micrometers.Type: ApplicationFiled: March 11, 2019Publication date: January 7, 2021Inventors: Vaidyanath RAMAKRISHNAN, Sepehr HARSINY, Johannes Gerardus Petrus GOOSSENS, Johannes Martinus Dina GOOSSENS, Theodorus Lambertus HOEKS, Devendra BAJAJ, Pooja BAJAJ
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Publication number: 20190207079Abstract: A method of making an aligned piezoelectric composite comprising contacting a thermoplastic material with a plurality of piezoelectric particles to form a thermoplastic material and piezoelectric particles mixture; applying an alternating current electric field across the thermoplastic material and piezoelectric particles mixture to structurally align the piezoelectric particles within the alternating current electric field; heating the thermoplastic material and piezoelectric particles mixture to form a molten polymer composite, while continuing to apply the alternating current electric field; maintaining the alternating current electric field across the molten polymer composite; cooling the molten polymer composite to form a structurally aligned piezoelectric composite, while continuing to apply the alternating current electric field; discontinuing the alternating current electric field; and applying a direct current electric field across the structurally aligned piezoelectric composite to align electric diType: ApplicationFiled: June 27, 2017Publication date: July 4, 2019Inventors: Jibran KHALIQ, Sybrand VAN DER ZWAAG, Wilhelm Albert GROEN, Theodorus Lambertus HOEKS, Peter Hendrikus Theodorus VOLLENBERG
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Patent number: 8623948Abstract: A thermoplastic composition comprising a polycarbonate, a perfluoroalkyl sulfonate phosphonium salt, and a non-phosphonium perfluoroalkyl sulfonate salt is disclosed, wherein a molded flat disk prepared from the thermoplastic composition has a surface resistivity of 1.0×1010 to 1.0×1014 ohms measured at a temperature of 23±2° C. and at 50±1% relative humidity. A method of making the thermoplastic composition, and articles prepared therefrom, are also disclosed.Type: GrantFiled: June 26, 2008Date of Patent: January 7, 2014Assignee: Sabic Innovative Plastics IP B.V.Inventors: Cristina Cojocariu, Elif Gurel, Theodorus Lambertus Hoeks
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Patent number: 8426532Abstract: Methods of forming polycarbonate graft copolymers are provided. In particular, a polycarbonate polymer or copolymer containing allyl groups provides the backbone for the graft copolymer, and pendant chains are attached to the copolymer through the allyl groups. The graft copolymers exhibit a combination of high transparency, good graft levels, good scratch resistance, and/or good anti-fog properties.Type: GrantFiled: September 17, 2010Date of Patent: April 23, 2013Assignee: SABIC Innovative Plastics IP B.V.Inventors: Rubin Huang, Andre van Zyl, Jan Pleun Lens, Theodorus Lambertus Hoeks, Hans-Peter Brack, Jan Henk Kamps
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Publication number: 20120071606Abstract: Methods of forming polycarbonate graft copolymers are provided. In particular, a polycarbonate polymer or copolymer containing allyl groups provides the backbone for the graft copolymer, and pendant chains are attached to the copolymer through the allyl groups. The graft copolymers exhibit a combination of high transparency, good graft levels, good scratch resistance, and/or good anti-fog properties.Type: ApplicationFiled: September 17, 2010Publication date: March 22, 2012Inventors: Rubin Huang, Andre van Zyl, Jan Pleun Lens, Theodorus Lambertus Hoeks, Hans-Peter Brack, Jan Henk Kamps
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Patent number: 8101680Abstract: Methods of forming nanocomposites comprising a polymer and metal nanoparticles are disclosed. The nanoparticles are disposed within a matrix of the polymer. In particular, the nanoparticles are formed in situ in an extruder. The methods comprise providing a reaction mixture comprising a polymer, a metal precursor, and a solvent and extruding the reaction mixture to form a polymer nanocomposite. The methods overcome nanoparticle dispersion issues arising from melt blending processes.Type: GrantFiled: October 12, 2010Date of Patent: January 24, 2012Assignee: Sabic Innovative Plastics IP B.V.Inventors: Vaidyanath Ramakrishan, Parnasree Maiti, Sonia Oberoi, Soumyadeb Ghosh, Theodorus Lambertus Hoeks, Ning Hao, Hans Looij
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Patent number: 8064140Abstract: An optical grade article comprises a thermoplastic composition comprising a poly(aliphatic ester)-polycarbonate copolymer comprising 10 to 25 wt % of a soft block ester unit derived from a C20-44 aliphatic dicarboxylic acid or derivative thereof, 34 to 77 wt % of a carbonate unit derived from 2-hydrocarbyl-3,3-bis(4-hydroxyaryl)phthalimidine, 0 to 76 wt % of a carbonate unit derived from a dihydroxyaromatic compound not identical to the 2-hydrocarbyl-3,3-bis(4-hydroxyaryl)phthalimidine, wherein the weight percentages of soft block ester units, 2-hydrocarbyl-3,3-bis(4-hydroxyaryl)phthalimidine units, and dihydroxyaromatic compound units is 100 weight percent of the monomeric units of the poly(aliphatic ester)-polycarbonate, the refractive index of the thermoplastic composition is greater than 1.590, and the glass transition temperature of the poly(aliphatic ester)-polycarbonate is from 120 to 155° C. A camera lens also comprises the poly(aliphatic ester)-polycarbonate.Type: GrantFiled: September 10, 2010Date of Patent: November 22, 2011Assignee: Sabic Innovative Plastics IP B.V.Inventors: Theodorus Lambertus Hoeks, Jan Henk Kamps, Dennis Karlik, Edward Kung, Michael Teruki Takemori
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Patent number: 7999041Abstract: Disclosed herein is a method of preparing a polycarbonate composition comprising melt blending a first polycarbonate prepared by interfacial polymerization and having hydroxy end groups that are capped with endcapping groups, with a second polycarbonate prepared by melt polymerization and having hydroxy end groups that are capped with endcapping groups, wherein the second polycarbonate has a lower mole percent of endcapping groups than that of the first polycarbonate; wherein an article having a thickness of 3.2 mm and molded from the polycarbonate composition has a haze of less than 3 according to ASTM D1003-00; and wherein a flat article molded from the polycarbonate composition has a surface charge of ?2 to +2 kV. A polycarbonate composition and complex article prepared according to the method are also disclosed.Type: GrantFiled: May 7, 2007Date of Patent: August 16, 2011Assignee: Sabic Innovative Plastics IP B.V.Inventors: Johannes Martinus Dina Goossens, Douglas George Hamilton, Theodorus Lambertus Hoeks
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Publication number: 20110071261Abstract: An optical grade article comprises a thermoplastic composition comprising a poly(aliphatic ester)-polycarbonate copolymer comprising 10 to 25 wt % of a soft block ester unit derived from a C20-44 aliphatic dicarboxylic acid or derivative thereof, 34 to 77 wt % of a carbonate unit derived from 2-hydrocarbyl-3,3-bis(4-hydroxyaryl)phthalimidine, 0 to 76 wt % of a carbonate unit derived from a dihydroxyaromatic compound not identical to the 2-hydrocarbyl-3,3-bis(4-hydroxyaryl)phthalimidine, wherein the weight percentages of soft block ester units, 2-hydrocarbyl-3,3-bis(4-hydroxyaryl)phthalimidine units, and dihydroxyaromatic compound units is 100 weight percent of the monomeric units of the poly(aliphatic ester)-polycarbonate, the refractive index of the thermoplastic composition is greater than 1.590, and the glass transition temperature of the poly(aliphatic ester)-polycarbonate is from 120 to 155° C. A camera lens also comprises the poly(aliphatic ester)-polycarbonate.Type: ApplicationFiled: September 10, 2010Publication date: March 24, 2011Applicant: SABIC INNOVATIVE PLASTICS IP B.V.Inventors: Theodorus Lambertus Hoeks, Jan Henk Kamps, Dennis Karlik, Edward Kung, Michael Teruki Takemori
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Patent number: 7851524Abstract: A quaternary onium aromatic sulfonate represented by the formula: wherein each R1 independently comprises substituted or unsubstituted, aliphatic or aromatic, hydrocarbyl, carbocyclic or heterocyclic radicals, each X is selected from the group consisting of phosphorus and nitrogen; wherein “a” has a value of 0, 1 or 2, and “b” has a value of 0 or 1 with the proviso that (a+b) is equal to 1 or 2; G1 is an aromatic group; E comprises a bis(carbonyloxyalkyl)polydiorganosiloxane, a bis(carbonyloxyaryl)polydiorganosiloxane, and an ether linkage; each Y1 independently comprises hydrogen, a monovalent hydrocarbon group, alkenyl, allyl, halogen, bromine, chlorine; nitro; and OR, wherein R is a monovalent hydrocarbon group.Type: GrantFiled: April 6, 2009Date of Patent: December 14, 2010Assignee: Sabic Innovative Plastics IP B.V.Inventors: Sanjoy Kumar Chowdhury, Prakash P. Wadgaonkar, Theodorus Lambertus Hoeks, Suresh K. Rajaraman, Bhimrao D. Sarwade, Chilukuri Ver Advadhani
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Patent number: 7848025Abstract: Disclosed herein is a camera lens comprising a thermoplastic composition comprising a poly(aliphatic ester)-polycarbonate copolymer comprising soft block ester units derived from an alpha, omega C6-20 aliphatic dicarboxylic acid or derivative thereof, a dihydroxyaromatic compound, and a carbonate source, wherein the thermoplastic composition has a melt volume rate of 13 to 25 cc/10 min at 250° C. and under a load of 1.2 Kg and a dwell time of 6 minutes, according to ASTM D1238-04, and wherein the camera lens has an effective lens area of 0.5 to 100 mm2. A method of making the camera lens, and a camera lens comprising a thermoplastic composition comprising a redistribution product of a poly(aliphatic ester)-polycarbonate, are also disclosed.Type: GrantFiled: December 31, 2008Date of Patent: December 7, 2010Assignee: Sabic Innovative Plastics IP B.V.Inventors: Akira Hatano, Theodorus Lambertus Hoeks, Dennis Karlik, Ken Kuriki, Jon M. Malinoski, Sriramakrishna Maruvuda
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Patent number: 7824747Abstract: A light diffusing film for a back light display is described. The light diffusing film includes a unitary film consisting essentially of polycarbonate and a uniformly dispersed anti-static material in an amount sufficient to impart anti-static properties to the film. The anti-static material may comprise a fluorinated phosphonium sulfonate. The film may additionally include at least one textured surface for the low scattering of light. Alternatively, the film may additionally include a uniformly dispersed acrylic bulk scattering additive of particles having a mean particle size of from about 3 to about 10 microns and present in an amount from about 2 to about 7 percent by weight percent for the high scattering of light.Type: GrantFiled: December 28, 2007Date of Patent: November 2, 2010Assignee: Sabic Innovative Plastics IP B.V.Inventors: Grant Hay, Kevin P. Capaldo, Gheorghe Cojocariu, Karkala Arun Kumar, Theodorus Lambertus Hoeks, Todd M. Loehr, John F. Graf, Nathan D. Hoffman, Scott Leslie, Anshu Ghosal, Philippe Schottland
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Publication number: 20100168370Abstract: Disclosed herein is a camera lens comprising a thermoplastic composition comprising a poly(aliphatic ester)-polycarbonate copolymer comprising soft block ester units derived from an alpha, omega C6-20 aliphatic dicarboxylic acid or derivative thereof, a dihydroxyaromatic compound, and a carbonate source, wherein the thermoplastic composition has a melt volume rate of 13 to 25 cc/10 min at 250° C. and under a load of 1.2 Kg and a dwell time of 6 minutes, according to ASTM D1238-04, and wherein the camera lens has an effective lens area of 0.5 to 100 mm2. A method of making the camera lens, and a camera lens comprising a thermoplastic composition comprising a redistribution product of a poly(aliphatic ester)-polycarbonate, are also disclosed.Type: ApplicationFiled: December 31, 2008Publication date: July 1, 2010Inventors: Akiro Hatano, Theodorus Lambertus Hoeks, Dennis Karlik, Ken Kuriki, Jon M. Malinoski, Sriramakrishna Maruvuda
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Patent number: 7731881Abstract: A method for making a fog resistant thermoplastic article includes conditioning a thermoplastic article by exposing it to an aqueous environment sufficient to result in fog resistance.Type: GrantFiled: December 30, 2003Date of Patent: June 8, 2010Assignee: Sabic Innovative Plastics IP B.V.Inventors: Jennifer Dean, Theodorus Lambertus Hoeks