Patents by Inventor Dennis Karlik
Dennis Karlik 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: 20190153219Abstract: Provided is a polycarbonate resin composition that exhibits an excellent light resistance and an excellent resistance to moist heat and is free of the problem of mold staining. The polycarbonate resin composition comprises 0.12 to 0.8 mass parts of an N-alkyl hindered amine compound (C-1) and/or 0.12 to 0.8 mass parts of an N—OR hindered amine compound (C-2), per 100 mass parts of the total of (A) and (B) composed of more than 50 mass parts to not more than 95 mass parts of an aromatic polycarbonate resin (A) and less than 50 mass parts to at least 5 mass parts of an aromatic vinyl-diene-vinyl cyanide copolymer (B).Type: ApplicationFiled: July 21, 2017Publication date: May 23, 2019Applicant: Mitsubishi Engineering-Plastics CorporationInventors: Hiroyuki HARADA, Bernardus Antonius Gerardus SCHRAUWEN, Dennis KARLIK
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Patent number: 8741998Abstract: Disclosed herein are compositions comprising a. from 35 to 80 vol % of a thermoplastic polymer; b. from 5 to 45 vol % of a thermally insulative filler with an intrinsic thermal conductivity less than or equal to 10 W/mK; and c. from 5 to 15 vol % of a thermally conductive filler with an intrinsic thermal conductivity greater than or equal to 50 W/mK, wherein the composition is characterized by: i. a thermal conductivity of at least 1.0 W/mK; ii. a thermal conductivity of at least 7 times the total filler volume fraction times the thermal conductivity of the pure thermoplastic polymer; and iii. a volume resistivity of at least 107 Ohm·cm. Also disclosed are articles and methods of use therefor.Type: GrantFiled: February 22, 2012Date of Patent: June 3, 2014Assignee: SABIC Innovative Plastics IP B.V.Inventors: Roy l'Abee, Frans Mercx, Mark van der Mee, Dennis Karlik, Mingcheng Guo, David Zou
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Patent number: 8552101Abstract: Disclosed herein are compositions comprising a. from 35 to 80 vol % of a thermoplastic polymer; b. from 5 to 45 vol % of a low thermally conductive, electrically insulative filler with an intrinsic thermal conductivity of from 10 to 30 W/mK; c. from 5 to 15 vol % of a high thermally conductive, electrically insulative filler with an intrinsic thermal conductivity greater than or equal to 50 W/mK; and d. from 5 to 15 vol % of a high thermally conductive, electrically conductive filler with an intrinsic thermal conductivity greater than or equal to 50 W/mK, wherein the composition is characterized by: i. a thermal conductivity of at least 1.0 W/mK; and ii. a volume resistivity of at least 107 Ohm.cm. Also disclosed are articles and methods of use therefor.Type: GrantFiled: February 22, 2012Date of Patent: October 8, 2013Assignee: SABIC Innovative Plastics IP B.V.Inventors: Roy l'Abee, Frans Mercx, Mark van der Mee, Dennis Karlik, Mingcheng Guo, David Zou
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Publication number: 20120228542Abstract: Disclosed herein are compositions comprising a. from 35 to 80 vol % of a thermoplastic polymer; b. from 5 to 45 vol % of a low thermally conductive, electrically insulative filler with an intrinsic thermal conductivity of from 10 to 30 W/mK; c. from 5 to 15 vol % of a high thermally conductive, electrically insulative filler with an intrinsic thermal conductivity greater than or equal to 50 W/mK; and d. from 5 to 15 vol % of a high thermally conductive, electrically conductive filler with an intrinsic thermal conductivity greater than or equal to 50 W/mK, wherein the composition is characterized by: i. a thermal conductivity of at least 1.0 W/mK; and ii. a volume resistivity of at least 107 Ohm.cm. Also disclosed are articles and methods of use therefor.Type: ApplicationFiled: February 22, 2012Publication date: September 13, 2012Inventors: Roy l'Abee, Frans Mercx, Mark van der Mee, Dennis Karlik, Mingcheng Guo, David Zou
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Publication number: 20120217434Abstract: Disclosed herein are compositions comprising a. from 35 to 80 vol % of a thermoplastic polymer; b. from 5 to 45 vol % of a thermally insulative filler with an intrinsic thermal conductivity less than or equal to 10 W/mK; and c. from 5 to 15 vol % of a thermally conductive filler with an intrinsic thermal conductivity greater than or equal to 50 W/mK, wherein the composition is characterized by: i. a thermal conductivity of at least 1.0 W/mK; ii. a thermal conductivity of at least 7 times the total filler volume fraction times the thermal conductivity of the pure thermoplastic polymer; and iii. a volume resistivity of at least 107 Ohm.cm. Also disclosed are articles and methods of use therefor.Type: ApplicationFiled: February 22, 2012Publication date: August 30, 2012Inventors: Roy l'Abee, Frans Mercx, Mark van der Mee, Dennis Karlik, Mingcheng Guo, David Zou
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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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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: 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: 7834125Abstract: A melt polymerized polycarbonate comprising repeat units in the polycarbonate derived from the melt polymerization of monomers (II) and/or (III), monomer (IV), and optionally monomer (VIII), wherein monomers (II) and (III) are diaryl dihydroxy compounds, monomer (IV) is a sterically hindered dihydroxy compound, and monomer (VIII) is a non-sterically hindered dihydroxy diaryl compound; wherein the mole ratio of repeat units in the polycarbonate derived from monomers [(II)+(III)]:(IV):(VIII) is 15-70:1-85:0-50, the sum of the mole percent of repeat units in the polycarbonate derived from monomers [(II)+(III)]+(IV) is greater than or equal to 50 mole %, and the sum of the mole percent of units in the polycarbonate derived from monomers [(II)+(III)]+(IV)+(VIII) is 100 mole %; and wherein the polycarbonate has an L* value that is at least 1 L* unit value higher than the same polycarbonate in which monomer (IV) is replaced by bisphenol A.Type: GrantFiled: December 18, 2008Date of Patent: November 16, 2010Assignee: Sabic Innovative Plastics IP B.V.Inventors: Hans-Peter Brack, Dennis Karlik, Jan-Pleun Lens, Dennis James Patrick Maria Willemse, Josef Gerardus Berndsen
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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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Publication number: 20100160594Abstract: A melt polymerized polycarbonate comprising repeat units in the polycarbonate derived from the melt polymerization of monomers (II) and/or (III), monomer (IV), and optionally monomer (VIII), wherein monomers (II) and (III) are diaryl dihydroxy compounds, monomer (IV) is a sterically hindered dihydroxy compound, and monomer (VIII) is a non-sterically hindered dihydroxy diaryl compound; wherein the mole ratio of repeat units in the polycarbonate derived from monomers [(II)+(III)]:(IV):(VIII) is 15-70:1-85:0-50, the sum of the mole percent of repeat units in the polycarbonate derived from monomers [(II)+(III)]+(IV) is greater than or equal to 50 mole %, and the sum of the mole percent of units in the polycarbonate derived from monomers [(II)+(III)]+(IV) +(VIII) is 100 mole %; and wherein the polycarbonate has an L* value that is at least 1 L* unit value higher than the same polycarbonate in which monomer (IV) is replaced by bisphenol A.Type: ApplicationFiled: December 18, 2008Publication date: June 24, 2010Inventors: Hans-Peter BRACK, Dennis Karlik, Jan-Pleun Lens, Dennis James Patrick Maria Willemse, Josef Gerardus Berndsen
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Patent number: 7645851Abstract: A method of making polycarbonate includes the steps of forming polycarbonate by a melt transesterification method using an activated diaryl carbonate, and compounding the polycarbonate with a phosphorus-containing compound that has an abstractable proton or hydrolyzable group. The phosphorus-containing compound is compounded with the polycarbonate in an amount sufficient to result in an improvement in the color properties of the polycarbonate as compared to pellets formed from the same polycarbonate without addition of the phosphorus-containing compound.Type: GrantFiled: March 20, 2007Date of Patent: January 12, 2010Assignee: Sabic Innovative Plastics IP B.V.Inventors: Sjef Berndsen, Hans Peter Brack, Bernd Jansen, Edward Kung, Daniel Lowery, Patrick Joseph McCloskey, Dennis Karlik, Gerardo Hidalgo Llinas
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Patent number: 7547749Abstract: In various embodiments the present invention comprises 2,4,6-trisubstituted-1,3,5-triazine capping agents comprising one, two, or three leaving groups as substituents with any remaining substituents being essentially inert to reaction with a nucleophilic group on a polymer or monomer, or reactive with a nucleophilic group on a polymer or monomer at a slower rate than any leaving group. The invention also comprises polymers or monomers with nucleophilic groups capped with a triazine moiety. Still other embodiments of the invention comprise processes for capping nucleophilic groups in a polymer or monomer which comprises combining and reacting the polymer or monomer with a triazine-comprising capping agent.Type: GrantFiled: June 21, 2007Date of Patent: June 16, 2009Assignee: SABIC Innovative Platics IP B.V.Inventors: Sterling Bruce Brown, Hans-Peter Brack, James Anthony Cella, Dennis Karlik
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Patent number: 7521119Abstract: Windows and other articles made from dimethyl bisphenol cyclohexane (DMBPC) polycarbonate exhibit enhanced scratch resistance properties and Mw degradation resistance properties as compared to traditional polycarbonates. Such windows and other articles made from DMBPC polycarbonate can be used in various applications including buildings, particularly in agricultural environments and in electronic devices.Type: GrantFiled: July 7, 2005Date of Patent: April 21, 2009Assignee: Sabic Innovative Plastics IP B.V.Inventors: Geert Boven, Dennis Karlik, Edward Kung, Jan Pleun Lens
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Publication number: 20080097040Abstract: In various embodiments the present invention comprises 2,4,6-trisubstituted-1,3,5-triazine capping agents comprising one, two, or three leaving groups as substituents with any remaining substituents being essentially inert to reaction with a nucleophilic group on a polymer or monomer, or reactive with a nucleophilic group on a polymer or monomer at a slower rate than any leaving group. The invention also comprises polymers or monomers with nucleophilic groups capped with a triazine moiety. Still other embodiments of the invention comprise processes for capping nucleophilic groups in a polymer or monomer which comprises combining and reacting the polymer or monomer with a triazine-comprising capping agent.Type: ApplicationFiled: June 21, 2007Publication date: April 24, 2008Applicant: GENERAL ELECTRIC COMPANYInventors: Sterling Brown, Hans Brack, James Cella, Dennis Karlik
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Publication number: 20080004379Abstract: A method of making polycarbonate includes the steps of forming polycarbonate by a melt transesterification method using an activated diaryl carbonate, and compounding the polycarbonate with a phosphorus-containing compound that has an abstractable proton or hydrolyzable group. The phosphorus-containing compound is compounded with the polycarbonate in an amount sufficient to result in an improvement in the color properties of the polycarbonate as compared to pellets formed from the same polycarbonate without addition of the phosphorus-containing compound.Type: ApplicationFiled: March 20, 2007Publication date: January 3, 2008Applicant: GENERAL ELECTRIC COMPANYInventors: Sjef Berndsen, Hans Peter Brack, Bernd Jansen, Dennis Karlik, Edward Kung, Daniel Lowery, Patrick Joseph McCloskey
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Patent number: 7259223Abstract: A process for the production of polycarbonate having increased end-cap levels, the process comprising adding a terminal blocking agent of the formula: wherein R1 is a propoxy or butoxy and R2 is selected from the group consisting of C1-C30 alkyl, C1-C30 alkoxy, C6-C30 aryl, C7-C30 aralkyl, and C6-C30 aryloxy.Type: GrantFiled: March 17, 2004Date of Patent: August 21, 2007Assignee: General Electric CompanyInventors: Hans Peter Brack, James Anthony Cella, Dennis Karlik, Lina Prada
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Patent number: 7235611Abstract: In various embodiments the present invention comprises 2,4,6-trisubstituted-1,3,5-triazine capping agents comprising one, two, or three leaving groups as substituents with any remaining substituents being essentially inert to reaction with a nucleophilic group on a polymer or monomer, or reactive with a nucleophilic group on a polymer or monomer at a slower rate than any leaving group. The invention also comprises polymers or monomers with nucleophilic groups capped with a triazine moiety. Still other embodiments of the invention comprise processes for capping nucleophilic groups in a polymer or monomer which comprises combining and reacting the polymer or monomer with a triazine-comprising capping agent.Type: GrantFiled: September 26, 2003Date of Patent: June 26, 2007Assignee: General Electric CompanyInventors: Sterling Bruce Brown, Hans Peter Brack, James Anthony Cella, Dennis Karlik
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Publication number: 20070009741Abstract: Windows and other articles made from dimethyl bisphenol cyclohexane (DMBPC) polycarbonate exhibit enhanced scratch resistance properties and Mw degradation resistance properties as compared to traditional polycarbonates. Such windows and other articles made from DMBPC polycarbonate can be used in various applications including buildings, particularly in agricultural environments and in electronic devices.Type: ApplicationFiled: July 7, 2005Publication date: January 11, 2007Applicant: General Electric CompanyInventors: Geert Boven, Dennis Karlik, Edward Kung, Jan Lens
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Patent number: 7105626Abstract: Alkyl ester end-capped polycarbonates have improved release properties and may be produced by a method comprising the step of combining a polycarbonate having free terminal OH groups with an end-capping reagent comprising a symmetrical activated carbonate and an alkyl ester, whereby the end-capping reagent reacts with at least some of the free hydroxyl end groups of the polycarbonate to produce an end-capped polycarbonate comprising optionally substituted aliphatic ester end groups.Type: GrantFiled: September 10, 2004Date of Patent: September 12, 2006Assignee: General Electric CompanyInventors: Hans-Peter Brack, Dennis Karlik, Jan Pleun Lens