Patents by Inventor Igor Chorvath
Igor Chorvath 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: 10836908Abstract: A composition and a method for preparing a polymer composite article. The composition comprises (A) a filler in an amount of from 10 to 90 wt. The composition also comprises (B) a polymer in an amount of from 10 to 90 wt. %, wherein the (B) polymer is selected from polyolefins, polyamides, polyesters, or combinations thereof. Further, the composition comprises (C) an organopolysiloxane in an amount of from greater than 0 to 10 wt. %; the (C) organopolysiloxane having at least one silicon-bonded hydroxyl group and a viscosity of from 1,000 to 60,000 mPa·s at 25° C. The ranges for components (A)-(C) are based on the total weight of components (A), (B) and (C) in the composition.Type: GrantFiled: February 1, 2019Date of Patent: November 17, 2020Assignees: Dow Silicones Corporation, Dow Global Technologies LLCInventors: Keith Bruce, Igor Chorvath, Marc-Andre Courtemanche, Jon V. Degroot, Jr., Sean Gaal, Craig Gross, James Keenihan, Shawn Mealey, Scott Miller, Tom Parsons, Andrew Schlader, Cristina Serrat, Lauren Tonge
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Publication number: 20200216668Abstract: A composition and a method for preparing a polymer composite article. The composition comprises (A) a filler in an amount of from 10 to 90 wt. The composition also comprises (B) a polymer in an amount of from 10 to 90 wt. %, wherein the (B) polymer is selected from polyolefins, polyamides, polyesters, or combinations thereof. Further, the composition comprises (C) an organopolysiloxane in an amount of from greater than 0 to 10 wt. %; the (C) organopolysiloxane having at least one silicon-bonded hydroxyl group and a viscosity of from 1,000 to 60,000 mPa·s at 25° C. The ranges for components (A)-(C) are based on the total weight of components (A), (B) and (C) in the composition.Type: ApplicationFiled: February 1, 2019Publication date: July 9, 2020Inventors: Keith BRUCE, Igor CHORVATH, Marc-Andre COURTEMANCHE, Jon V. DEGROOT, Jr., Sean GAAL, Craig GROSS, James KEENIHAN, Shawn MEALEY, Scott MILLER, Tom PARSONS, Andrew SCHLADER, Christina SERRAT, Lauren TONGE
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Patent number: 8907037Abstract: A method of preparing a polymeric methylene diphenyl diisocyanate-polydialkylsiloxane resin by mixing at a temperature between 25° C. and 100° C.: (i) a polymeric methylene diphenyl diisocyanate with (ii) a polydialkylsiloxane selected from hydroxyalkyl dialkyl terminated polydialkylsiloxane having a viscosity of from 5 to 500 000 cSt at 25° C. or (hydroxyalkoxy)alkyl dialkyl terminated polydialkylsiloxane having a viscosity of from 5 to 500 000 cSt at 25° C. in an amount such that from 1 to 99% by weight of the total weight of (i) and (ii) is component (ii), optionally in the presence of a solvent; and subsequently extracting the solvent, if present.Type: GrantFiled: March 25, 2011Date of Patent: December 9, 2014Assignee: Dow Corning CorporationInventors: Igor Chorvath, Xiaobing Zhou
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Patent number: 8404770Abstract: Silicone elastomer base compositions containing a stabilizer are disclosed that provide cured silicone elastomers having improved high temperature performance. The stabilizer comprises carbon black, calcium carbonate, iron oxide, and optionally zinc oxide.Type: GrantFiled: June 6, 2008Date of Patent: March 26, 2013Assignee: Dow Corning CorporatioinInventors: Igor Chorvath, Michael Dipino, David Lawson, Robert Drake, David Shawl, Jon Degroot, Steve Robson, Lauren Tonge
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Publication number: 20130022807Abstract: A method of preparing a polymeric methylene diphenyl diisocyanate-polydialkylsiloxane resin by mixing at a temperature between 25° C. and 100° C.: (i) a polymeric methylene diphenyl diisocyanate with (ii) a polydialkylsiloxane selected from hydroxyalkyl dialkyl terminated polydialkylsiloxane having a viscosity of from 5 to 500 000 cSt at 25° C. or (hydroxyalkoxy)alkyl dialkyl terminated polydialkylsiloxane having a viscosity of from 5 to 500 000 cSt at 25° C. in an amount such that from 1 to 99% by weight of the total weight of (i) and (ii) is component (ii), optionally in the presence of a solvent; and subsequently extracting the solvent, if present.Type: ApplicationFiled: March 25, 2011Publication date: January 24, 2013Inventors: Igor Chorvath, Xiaobing Zhou
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Patent number: 7790806Abstract: The present invention relates to a fluorine-containing resin composition for molding comprising a fluorine-containing resin (A) and a hydrofluoric acid scavenger (B), in which the hydrofluoric acid scavenger (B) is organopolysiloxane. According to the present invention, a fluorine-containing resin composition which can reduce an amount of hydrofluoric acid released from a fluorine-containing resin and inhibits corrosiveness can be provided.Type: GrantFiled: May 27, 2008Date of Patent: September 7, 2010Assignees: Dow Corning Corporation, Dow Corning Toray Co., Ltd., Daikin Industries, Ltd., Daikin America, Inc.Inventors: Katsuhide Ohtani, Tsuyoshi Ono, Haruhisa Masuda, Ron Klein, Masakazu Irie, Kazuo Kobayashi, Igor Chorvath, Tatyana Collins, Lauren Tonge
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Publication number: 20100179266Abstract: Silicone elastomer base compositions containing a stabilizer are disclosed that provide cured silicone elastomers having improved high temperature performance. The stabilizer comprises carbon black, calcium carbonate, iron oxide, and optionally zinc oxide.Type: ApplicationFiled: June 6, 2008Publication date: July 15, 2010Inventors: Igor Chorvath, Jon Vierling Degroot, JR., Michael Dipino, Robert Andrew Drake, David W. Lawson, Steven Robson, David Shawl, Lauren Marie Tonge
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Publication number: 20100166996Abstract: Fluorosilicone elastomer base compositions are disclosed containing a stabilizer that provides cured fluorosilicone elastomers having improved high temperature performance. The stabilizer comprises carbon black, calcium carbonate, iron oxide, and optionally zinc oxide. The stabilizer is particularly useful to prepare cured fluorosilicone elastomers for o-rings, connectors, and constructing automotive hosing.Type: ApplicationFiled: June 6, 2008Publication date: July 1, 2010Inventors: Igor Chorvath, Jon Vierling Degroot, JR., Michael Dipino, Robert Andrew Drake, David W. Lawson, Steven Robson, David Shawl, Lauren Marie Tonge
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Patent number: 7718727Abstract: Fluoroplastics containing fluorocarbon resins and silicones are prepared by first mixing a fluorocarbon resin with a compatibilizer, then adding a curable organopolysiloxane with a radical initiator, and vulcanizing the organopolysiloxane in the mixture. The fluoroplastics can be processed by various techniques, such as extrusion, vacuum forming, injection molding, blow molding or compression molding, to fabricate plastic parts. The resulting fabricated parts can be re-processed (recycled) with little or no degradation of mechanical properties.Type: GrantFiled: May 7, 2009Date of Patent: May 18, 2010Assignee: Dow Corning CorporationInventors: Mark Hartmann, Igor Chorvath, Lauren Tonge, Robert Oldinski, James Thompson, David Romenesko, Kermit Kwan, Stephen Warren
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Publication number: 20090215959Abstract: Fluoroplastics containing fluorocarbon resins and silicones are prepared by first mixing a fluorocarbon resin with a compatibilizer, then adding a curable organopolysiloxane with a radical initiator, and vulcanizing the organopolysiloxane in the mixture. The fluoroplastics can be processed by various techniques, such as extrusion, vacuum forming, injection molding, blow molding or compression molding, to fabricate plastic parts. The resulting fabricated parts can be re-processed (recycled) with little or no degradation of mechanical properties.Type: ApplicationFiled: May 7, 2009Publication date: August 27, 2009Inventors: Mark Hartmann, Igor Chorvath, Lauren Tonge, Robert Oldinski, James Thompson, David Romenesko, Kermit Kwan, Stephen Warren
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Patent number: 7547742Abstract: Fluoroplastics containing fluorocarbon resins and silicones are prepared by first mixing a fluorocarbon resin with a compatibilizer, then adding a curable organopolysiloxane with a radical initiator, and vulcanizing the organopolysiloxane in the mixture. The fluoroplastics can be processed by various techniques, such as extrusion, vacuum forming, injection molding, blow molding or compression molding, to fabricate plastic parts. The resulting fabricated parts can be re-processed (recycled) with little or no degradation of mechanical properties.Type: GrantFiled: June 4, 2004Date of Patent: June 16, 2009Assignee: Dow Corning CorporationInventors: Mark Hartmann, Igor Chorvath, Lauren Tonge, Robert Oldinski, James Thompson, David Romenesko, Kermit Kwan, Stephen Warren
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Publication number: 20080300365Abstract: The present invention relates to a fluorine-containing resin composition for molding comprising a fluorine-containing resin (A) and a hydrofluoric acid scavenger (B), in which the hydrofluoric acid scavenger (B) is organopolysiloxane. According to the present invention, a fluorine-containing resin composition which can reduce an amount of hydrofluoric acid released from a fluorine-containing resin and inhibits corrosiveness can be provided.Type: ApplicationFiled: May 27, 2008Publication date: December 4, 2008Applicants: DAIKIN INDUSTRIES, LTD., DAIKIN AMERICA, INC., DOW CORNING TORAY CO., LTD., DOW CORNING CORPORATIONInventors: Katsuhide Ohtani, Tsuyoshi Ono, Haruhisa Masuda, Ron Klein, Masakazu Irie, Kazuo Kobayashi, Igor Chorvath, Tatyana Collins, Lauren Tonge
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Patent number: 7345118Abstract: A method is disclosed for preparing an elastomeric base composition comprising: (I) mixing by an extrusion process (A) a fluorocarbon elastomer with (B) an optional compatibilizer, (C) an optional catalyst (D) a silicone base comprising a curable organopolysiloxane, (E), an optional crosslinking agent (F) a cure agent in an amount sufficient to cure said organopolysiloxane; and (II) dynamically vulcanizing the organopolysiloxane, wherein the weight ratio of fluorocarbon elastomer (A) to silicone base (B) in the elastomeric base composition ranges from 95:5 to 30:70. The cured rubber compositions obtained from the elastomeric base compositions herein have good fuel resistance properties.Type: GrantFiled: June 6, 2003Date of Patent: March 18, 2008Assignee: Dow Corning CorporationInventors: Igor Chorvath, Kermit Kwan, David Romenesko, Lauren Tonge, Stephen Warren
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Publication number: 20070249772Abstract: A method is disclosed for preparing an elastomeric composition comprising: (I) mixing; (A) an elastomer, (B) an optional compatibilizer, (C) an optional catalyst, (D) a silicone base comprising a curable organopolysiloxane, (E) an optional crosslinking agent, (F) a cure agent in an amount sufficient to cure said organopolysiloxane; and then, (II) statically vulcanizing the organopolysiloxane, wherein the weight ratio of elastomer (A) to silicone base (D) in the elastomeric composition ranges from 95:5 to 30:70. The elastomer compositions obtained by the present method and cured elastomeric compositions prepared therefrom have good low and high temperature properties.Type: ApplicationFiled: June 1, 2005Publication date: October 25, 2007Inventors: Igor Chorvath, Lauren Tonge
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Publication number: 20070197726Abstract: Fluoroplastic compositions comprising the reaction product from mixing: i) a fluorocarbon-silicone elastomeric base, ii) a fluoroplastic resin, and iii) a fluorocarbon elastomer cure agent, are disclosed. The fluoroplastic compositions and the manufactured articles made therefrom have improved impact or flexural properties.Type: ApplicationFiled: June 1, 2005Publication date: August 23, 2007Inventors: Igor Chorvath, Lauren Tonge
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Publication number: 20070161749Abstract: Fluoroplastics containing fluorocarbon resins and silicones are prepared by first mixing a fluorocarbon resin with a compatibilizer, then adding a curable organopolysiloxane with a radical initiator, and vulcanizing the organopolysiloxane in the mixture. The fluoroplastics can be processed by various techniques, such as extrusion, vacuum forming, injection molding, blow molding or compression molding, to fabricate plastic parts. The resulting fabricated parts can be re-processed (recycled) with little or no degradation of mechanical properties.Type: ApplicationFiled: June 4, 2004Publication date: July 12, 2007Applicant: DOW CORNING CORPORATIONInventors: Mark Hartmann, Igor Chorvath, Lauren Tonge, Robert Oldinski, James Thompson, David Romenesko, Kermit Kwan, Stephen Warren
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Publication number: 20070108652Abstract: A method for preparing a fluoroplastic silicone composition is disclosed containing both a fluoroplastic and a cured organopolysiloxane using dynamic vulcanization techniques. A silicone compound containing a curable organopolysiloxane is first prepared, mixed with a fluoroplastic, and then cured via dynamic vulcanization.Type: ApplicationFiled: December 13, 2004Publication date: May 17, 2007Inventors: Igor Chorvath, Lauren Tonge
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Publication number: 20070066730Abstract: A method for making an organic elastomeric base composition comprising an organic elastomer and silicone, the product prepared by the method, and the cured organic rubber obtained therefrom is disclosed. The method comprises; (I) mixing (A) an organic elastomer with (B) an optional compatibilizer, (C) an optional catalyst, (D) a silicone base comprising a curable organopolysiloxane, (E) an optional crosslinking agent, (F) a cure agent in an amount sufficient to cure said organopolysiloxane; and (II) dynamically vulcanizing the organopolysiloxane, wherein the weight ratio of organic elastomer (A) to silicone base (D) in the elastomeric base composition ranges from 95:5 to 30:70.Type: ApplicationFiled: December 13, 2004Publication date: March 22, 2007Inventors: Igor Chorvath, Lauren Tonge
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Patent number: 7173092Abstract: A method is disclosed for preparing an elastomeric base composition comprising: (I) mixing (A) a fluorocarbon elastomer with (B) a compatibilizer, (C) an optional catalyst, (II) mixing the product of step (I) with (D) a silicone base comprising a curable organopolysiloxane, (E), an optional crosslinking agent, (F) a cure agent in an amount sufficient to cure said organopolysiloxane; and (III) dynamically vulcanizing the organopolysiloxane, wherein the weight ratio of fluorocarbon elastomer (A) to silicone base (B) in the elastomeric base composition ranges from 95:5 to 30:70. The cured rubber compositions obtained from the elastomeric base compositions herein have good fuel resistance properties.Type: GrantFiled: June 6, 2003Date of Patent: February 6, 2007Assignee: Dow Corning CorporationInventors: Gerald Gornowicz, Igor Chorvath, Lauren Tonge, Yung Kim, David Romenesko, Kermit Kwan, Stephen Warren
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Publication number: 20070013101Abstract: A method is disclosed for preparing an elastomeric base composition comprising: (I) mixing by an extrusion process (A) a fluorocarbon elastomer with (B) an optional compatibilizer, (C) an optional catalyst (D) a silicone base comprising a curable organopolysiloxane, (E), an optional crosslinking agent (F) a cure agent in an amount sufficient to cure said organopolysiloxane; and (II) dynamically vulcanizing the organopolysiloxane, wherein the weight ratio of fluorocarbon elastomer (A) to silicone base (B) in the elastomeric base composition ranges from 95:5 to 30:70. The cured rubber compositions obtained from the elastomeric base compositions herein have good fuel resistance properties.Type: ApplicationFiled: June 6, 2003Publication date: January 18, 2007Applicant: DOW CORNING CORPORATIONInventors: Igor Chorvath, Kermit Kwan, David Romenesko, Lauren Tonge, Stephen Warren