Patents by Inventor Christopher M. Tanguay
Christopher M. Tanguay 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: 10501683Abstract: A proppant includes a particle present in an amount of from 90 to 99.5 percent by weight based on the total weight of the proppant, and a polyurethane coating disposed about the particle and present in an amount of from 0.5 to 10 percent by weight based on the total weight of the proppant. The polyurethane coating comprises the reaction product of an isocyanate component and an isocyanate-reactive component comprising a polydiene polyol.Type: GrantFiled: November 25, 2014Date of Patent: December 10, 2019Assignee: BASF SEInventors: Alexander Gershanovich, Christopher M. Tanguay
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Patent number: 10370586Abstract: A proppant includes a particle present in an amount of from 90 to 99.5 percent by weight and a polymeric coating disposed about the particle and present in an amount of from 0.5 to 10 percent by weight, based on the total weight of the proppant. The polymeric coating includes the reaction product of an acrylate copolymer and an isocyanate. The acrylate copolymer includes styrene units and has a hydroxyl number of from 20 to 500 mg KOH/g. A method of forming the proppant includes the steps of combining the acrylate copolymer and the isocyanate to react and form the polymeric coating and coating the particle with the polymeric coating to form the proppant.Type: GrantFiled: March 11, 2014Date of Patent: August 6, 2019Assignee: BASF SEInventors: Shawn Fitzgerald, Christopher M. Tanguay, Timothy D. Klots
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Patent number: 9944845Abstract: A proppant includes a particle present in an amount of from 90 to 99.5 percent by weight and a polymeric coating disposed about the particle and present in an amount of from 0.5 to 10 percent by weight, based on the total weight of the proppant. The polymeric coating is formed from a curable composition comprising an isocyanate, an acrylate, and a polyol. A method of forming the proppant includes the steps of combining the isocyanate, the acrylate, and the polyol to form the curable composition, coating the particle with the curable composition, and curing the curable composition to form the polymeric coating.Type: GrantFiled: March 13, 2014Date of Patent: April 17, 2018Assignee: BASF SEInventors: Christopher M. Tanguay, Yeonsuk Roh, Rajesh Kumar
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Patent number: 9719011Abstract: A proppant comprises a particle and a polycarbodiimide coating disposed on the particle. The polycarbodiimide coating comprises the reaction product of a polymeric isocyanate and a monomeric isocyanate, in the presence of a catalyst. A method of forming the proppant comprises the steps of providing the particle, providing the polymeric isocyanate, providing the monomeric isocyanate, providing the catalyst, reacting the polymeric isocyanate and the monomeric isocyanate in the presence of the catalyst to form the polycarbodiimide coating, and coating the particle with the polycarbodiimide coating.Type: GrantFiled: October 29, 2009Date of Patent: August 1, 2017Assignee: BASF SEInventors: Christopher M. Tanguay, John Erickson, Victoria Manea, Jyh-Chiarng Huarng, Rajesh Kumar, Fikri Emrah Alemdaroglu
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Patent number: 9714378Abstract: A proppant comprises a particle and a polycarbodiimide coating disposed on the particle. The polycarbodiimide coating comprises the reaction product of an isocyanate reacted in the presence of a phospholene oxide catalyst. A method of forming the proppant comprises the steps of providing the particle, providing the isocyanate, providing the phospholene oxide catalyst, reacting the isocyanate in the presence of the phospholene oxide catalyst to form the polycarbodiimide coating, and coating the particle with the polycarbodiimide coating.Type: GrantFiled: November 16, 2012Date of Patent: July 25, 2017Assignee: BASF SEInventors: Rajesh Kumar, Christopher M. Tanguay, Michael T. Yang
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Publication number: 20160376496Abstract: A proppant includes a particle present in an amount of from 90 to 99.5 percent by weight based on the total weight of the proppant, and a polyurethane coating disposed about the particle and present in an amount of from 0.5 to 10 percent by weight based on the total weight of the proppant. The polyurethane coating comprises the reaction product of an isocyanate component and an isocyanate-reactive component comprising a polydiene polyol.Type: ApplicationFiled: November 25, 2014Publication date: December 29, 2016Inventors: Alexander GERSHANOVICH, Christopher M. TANGUAY
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Publication number: 20160032179Abstract: A proppant includes a particle present in an amount of from 90 to 99.5 percent by weight and a polymeric coating disposed about the particle and present in an amount of from 0.5 to 10 percent by weight, based on the total weight of the proppant. The polymeric coating is formed from a curable composition comprising an isocyanate, an acrylate, and a polyol. A method of forming the proppant includes the steps of combining the isocyanate, the acrylate, and the polyol to form the curable composition, coating the particle with the curable composition, and curing the curable composition to form the polymeric coating.Type: ApplicationFiled: March 13, 2014Publication date: February 4, 2016Inventors: Christopher M. Tanguay, Yeonsuk Roh, Rajesh Kumar
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Publication number: 20160032178Abstract: A proppant includes a particle present in an amount of from 90 to 99.5 percent by weight and a polymeric coating disposed about the particle and present in an amount of from 0.5 to 10 percent by weight, based on the total weight of the proppant. The polymeric coating includes the reaction product of an acrylate copolymer and an isocyanate. The acrylate copolymer includes styrene units and has a hydroxyl number of from 20 to 500 mg KOH/g. A method of forming the proppant includes the steps of combining the acrylate copolymer and the isocyanate to react and form the polymeric coating and coating the particle with the polymeric coating to form the proppant.Type: ApplicationFiled: March 11, 2014Publication date: February 4, 2016Inventors: Shawn Fitzgerald, Christopher M. Tanguay, Timothy D. Klots
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Publication number: 20160024376Abstract: A proppant comprises a particle present in an amount of from 90 to 99.5 percent by weight based on the total weight of the proppant, and a polymeric coating disposed about the particle and present in an amount of from 0.5 to 10 percent by weight based on the total weight of the proppant. The polymeric coating includes the reaction product of an acrylate copolymer comprising styrene units and having a hydroxyl number of from 20 to 500 mg KOH/g or an acid value of from 20 to 500 mg KOH/g, and an epoxy and/or a melamine.Type: ApplicationFiled: March 14, 2014Publication date: January 28, 2016Inventors: Shawn Fitzgerald, Christopher M. Tanguay, Timothy D. Klots
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Publication number: 20150361331Abstract: A proppant comprises a particle and a polyoxazolidone isocyanurate coating disposed about the particle. The polyoxazolidone isocyanurate coating comprises the reaction product of a glycidyl epoxy resin and an isocyanate in the presence of a catalyst. A method of forming the proppant comprises the steps of providing the particle, providing the glycidyl epoxy resin, providing the isocyanate, and providing the catalyst. The method also includes the steps of combining the glycidyl epoxy resin and the isocyanate in the presence of the catalyst to react and form the polyoxazolidone isocyanurate coating and coating the particle with the polyoxazolidone isocyanurate coating to form the proppant.Type: ApplicationFiled: January 27, 2014Publication date: December 17, 2015Inventors: Christopher M. Tanguay, Fikri Emrah Alemdaroglu, Rajesh Kumar
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Patent number: 8784680Abstract: A bioresin composition is used to form a rigid polyurethane article that includes a first and a second biopolyol and is substantially free of aprotic solvents that chemically decompose in the presence of water. The first biopolyol includes a natural oil component. The second biopolyol includes the reaction product of a natural carbohydrate and an alkylene oxide. The rigid polyurethane foam article includes the reaction product of the bioresin composition and an isocyanate which are reacted in the presence of a chemical blowing agent.Type: GrantFiled: May 21, 2013Date of Patent: July 22, 2014Assignee: BASF SEInventors: Christopher M. Tanguay, Patrick J. Watters, John P. Erickson, Eric W. Banks
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Publication number: 20130248759Abstract: A bioresin composition is used to form a rigid polyurethane article that includes a first and a second biopolyol and is substantially free of aprotic solvents that chemically decompose in the presence of water. The first biopolyol includes a natural oil component. The second biopolyol includes the reaction product of a natural carbohydrate and an alkylene oxide. The rigid polyurethane foam article includes the reaction product of the bioresin composition and an isocyanate which are reacted in the presence of a chemical blowing agent.Type: ApplicationFiled: May 21, 2013Publication date: September 26, 2013Inventors: Christopher M. Tanguay, Patrick J. Watters, John P. Erickson, Eric W. Banks
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Patent number: 8476329Abstract: A bioresin composition is used to form a rigid polyurethane article that includes a first and a second biopolyol and is substantially free of aprotic solvents that chemically decompose in the presence of water. The first biopolyol includes a natural oil component. The second biopolyol includes the reaction product of a natural carbohydrate and an alkylene oxide. The rigid polyurethane foam article includes the reaction product of the bioresin composition and an isocyanate which are reacted in the presence of a chemical blowing agent.Type: GrantFiled: June 9, 2010Date of Patent: July 2, 2013Assignee: BASF SEInventors: Christopher M. Tanguay, Patrick J. Watters, John P. Erickson, Eric W. Banks
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Publication number: 20110297383Abstract: A proppant comprises a particle and a polycarbodiimide coating disposed on the particle. The polycarbodiimide coating comprises the reaction product of a polymeric isocyanate and a monomeric isocyanate, in the presence of a catalyst. A method of forming the proppant comprises the steps of providing the particle, providing the polymeric isocyanate, providing the monomeric isocyanate, providing the catalyst, reacting the polymeric isocyanate and the monomeric isocyanate in the presence of the catalyst to form the polycarbodiimide coating, and coating the particle with the polycarbodiimide coating.Type: ApplicationFiled: October 29, 2009Publication date: December 8, 2011Inventors: Christopher M. Tanguay, John Erickson, Victoria Manea, Jyh-Chiarng Huarng, Rajesh Kumar, Fikri Emrah Alemdaroglu
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Publication number: 20100317760Abstract: A bioresin composition is used to form a rigid polyurethane article that includes a first and a second biopolyol and is substantially free of aprotic solvents that chemically decompose in the presence of water. The first biopolyol includes a natural oil component. The second biopolyol includes the reaction product of a natural carbohydrate and an alkylene oxide. The rigid polyurethane foam article includes the reaction product of the bioresin composition and an isocyanate which are reacted in the presence of a chemical blowing agent.Type: ApplicationFiled: June 9, 2010Publication date: December 16, 2010Inventors: Christopher M. Tanguay, Patrick J. Watters, John P. Erickson, Eric W. Banks