Patents by Inventor Steven Gerard Mayorga
Steven Gerard Mayorga 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).
-
Patent number: 8440099Abstract: A stabilized composition consists essentially of unsaturated hydrocarbon-based materials, and a stabilizer selected from the group consisting of a hydroxybenzophenone and a nitroxyl radical based stabilizer. A stabilized composition consists essentially of unsaturated hydrocarbon-based materials, at least one polar liquid and a stabilizer selected from the group consisting of a hydroxybenzophenone, a nitroxyl radical based stabilizer and a hydroquinone based stabilizer. A method for stabilizing unsaturated hydrocarbon-based precursor material against the polymerization comprises providing a stabilizer selected from the group consisting of a hydroxybenzophenone and a nitroxyl radical based stabilizer. A method for stabilizing a mixture of unsaturated hydrocarbon-based precursor material with at lease one polar liquid against the polymerization comprises adding to the mixture, a stabilizer selected from the group consisting of a hydroxybenzophenone and a nitroxyl radical based stabilizer.Type: GrantFiled: May 28, 2008Date of Patent: May 14, 2013Assignee: Air Products and Chemicals, Inc.Inventors: Steven Gerard Mayorga, Kelly Ann Chandler, Mary Kathryn Haas, Mark Leonard O'Neill, Dino Sinatore
-
Patent number: 8329933Abstract: The present invention provides an organosilicon composition comprising diethoxymethylsilane, a concentration of dissolved residual chloride, and a concentration of dissolved residual chloride scavenger that does not yield unwanted chloride salt precipitate when combined with another composition comprising diethoxymethylsilane.Type: GrantFiled: August 8, 2011Date of Patent: December 11, 2012Assignee: Air Products and Chemicals, Inc.Inventors: Steven Gerard Mayorga, Mark Leonard O'Neill, Kelly Ann Chandler
-
Patent number: 8173213Abstract: A stabilized cyclic alkene composition comprising one or more cyclic alkenes, and at least one stabilizer compound having the Formula (I), R1,R2,R3,R4,R5(C6)OH??Formula (I) wherein R? through R5 can each independently be H, OH, C1-C8 linear, branched, or cyclic alkyl, C1-C8 linear, branched, or cyclic alkoxy or substituted or unsubstituted aryl, and wherein the stabilizer compound is present in an amount greater than 200 ppm up to 20,000 ppm and has a boiling point lower than 265° C. A method for forming a layer of carbon-doped silicon oxide on a substrate, which uses the stabilized alkene composition and a silicon containing compound.Type: GrantFiled: May 21, 2009Date of Patent: May 8, 2012Assignee: Air Products and Chemicals, Inc.Inventors: Steven Gerard Mayorga, Mary Kathryn Haas, Mark Leonard O'Neill, Dino Sinatore
-
Patent number: 8092709Abstract: A stabilized composition consists essentially of unsaturated hydrocarbon-based materials, and a stabilizer selected from the group consisting of a hydroxybenzophenone and a nitroxyl radical based stabilizer. A method for stabilizing unsaturated hydrocarbon-based precursor material against the polymerization comprises providing a stabilizer selected from the group consisting of a hydroxybenzophenone and a nitroxyl radical based stabilizer.Type: GrantFiled: May 17, 2011Date of Patent: January 10, 2012Assignee: Air Products and Chemicals, Inc.Inventors: Steven Gerard Mayorga, Kelly Ann Chandler
-
Publication number: 20110295033Abstract: The present invention provides an organosilicon composition comprising diethoxymethylsilane, a concentration of dissolved residual chloride, and a concentration of dissolved residual chloride scavenger that does not yield unwanted chloride salt precipitate when combined with another composition comprising diethoxymethylsilane.Type: ApplicationFiled: August 8, 2011Publication date: December 1, 2011Applicant: AIR PRODUCTS AND CHEMICALS, INC.Inventors: Steven Gerard Mayorga, Mark Leonard O'Neill, Kelly A. Chandler
-
Patent number: 8039658Abstract: A method of removing trace levels of arsenic-containing impurities from raw triethylphosphate (TEPO) is disclosed. The method uses adsorption, or adsorption followed by a flash distillation. The method comprises contacting raw triethylphosphate (TEPO) with an adsorbent which selectively adsorbs the arsenic-containing impurities in the raw triethylphosphate (TEPO). The adsorbent is a base promoted alumina containing adsorbent represented by a formula: ZxWy; where x is the weight percentage of Z in the adsorbent ranging from 30% to 99.999%; y is the weight percentage of W in the adsorbent, and x+y=100%; Z is selected from the group consisting of alumina (Al2O3), magnesium-alumina based layered double hydroxide (MgO—Al2O3), alumina-zeolite, and mixtures thereof; and W is selected from the group consisting of at least one basic metal oxide, at least one basic metal carbonate, and mixtures thereof.Type: GrantFiled: July 25, 2008Date of Patent: October 18, 2011Assignee: Air Products and Chemicals, Inc.Inventors: Steven Gerard Mayorga, Heather Regina Bowen, Kelly Ann Chandler
-
Publication number: 20110218371Abstract: A stabilized composition consists essentially of unsaturated hydrocarbon-based materials, and a stabilizer selected from the group consisting of a hydroxybenzophenone and a nitroxyl radical based stabilizer. A method for stabilizing unsaturated hydrocarbon-based precursor material against the polymerization comprises providing a stabilizer selected from the group consisting of a hydroxybenzophenone and a nitroxyl radical based stabilizer.Type: ApplicationFiled: May 17, 2011Publication date: September 8, 2011Applicant: Air Products and Chemicals, Inc.Inventors: Steven Gerard Mayorga, Kelly Ann Chandler
-
Patent number: 7968001Abstract: A stabilized composition consists essentially of unsaturated hydrocarbon-based materials, and a stabilizer selected from the group consisting of hydroxybenzophenone and a nitroxyl radical based stabilizer. A method for stabilizing unsaturated hydrocarbon-based precursor material against the polymerization comprises providing a stabilizer selected from the group consisting of a hydroxybenzophenone and a nitroxyl radical based stabilizer.Type: GrantFiled: February 27, 2008Date of Patent: June 28, 2011Assignee: Air Products and Chemicals, Inc.Inventors: Steven Gerard Mayorga, Kelly Ann Chandler
-
Publication number: 20100018849Abstract: A method of removing trace levels of arsenic-containing impurities from raw triethylphosphate (TEPO) is disclosed. The method uses adsorption, or adsorption followed by a flash distillation. The method comprises contacting raw triethylphosphate (TEPO) with an adsorbent which selectively adsorbs the arsenic-containing impurities in the raw triethylphosphate (TEPO). The adsorbent is a base promoted alumina containing adsorbent represented by a formula: ZxWy; where x is the weight percentage of Z in the adsorbent ranging from 30% to 99.999%; y is the weight percentage of W in the adsorbent, and x+y=100%; Z is selected from the group consisting of alumina (Al2O3), magnesium-alumina based layered double hydroxide (MgO—Al2O3), alumina-zeolite, and mixtures thereof; and W is selected from the group consisting of at least one basic metal oxide, at least one basic metal carbonate, and mixtures thereof.Type: ApplicationFiled: July 25, 2008Publication date: January 28, 2010Applicant: AIR PRODUCTS AND CHEMICALS, INC.Inventors: Steven Gerard Mayorga, Heather Regina Bowen, Kelly Ann Chandler
-
Publication number: 20090297711Abstract: A stabilized cyclic alkene composition comprising one or more cyclic alkenes, and at least one stabilizer compound having the Formula (I), R1,R2,R3,R4,R5(C6)OH ??Formula (I) wherein R1 through R5 can each independently be H, OH, C1-C8 linear, branched, or cyclic alkyl, C1-C8 linear, branched, or cyclic alkoxy or substituted or unsubstituted aryl, and wherein the stabilizer compound is present in an amount greater than 200 ppm up to 20,000 ppm and has a boiling point lower than 265° C. A method for forming a layer of carbon-doped silicon oxide on a substrate, which uses the stabilized alkene composition and a silicon containing compound.Type: ApplicationFiled: May 21, 2009Publication date: December 3, 2009Applicant: AIR PRODUCTS AND CHEMICALS, INC.Inventors: Steven Gerard Mayorga, Mary Kathryn Haas, Mark Leonard O'Neill, Dino Sinatore
-
Publication number: 20090159844Abstract: A stabilized composition consists essentially of unsaturated hydrocarbon-based materials, and a stabilizer selected from the group consisting of a hydroxybenzophenone and a nitroxyl radical based stabilizer. A stabilized composition consists essentially of unsaturated hydrocarbon-based materials, at least one polar liquid and a stabilizer selected from the group consisting of a hydroxybenzophenone, a nitroxyl radical based stabilizer and a hydroquinone based stabilizer. A method for stabilizing unsaturated hydrocarbon-based precursor material against the polymerization comprises providing a stabilizer selected from the group consisting of a hydroxybenzophenone and a nitroxyl radical based stabilizer. A method for stabilizing a mixture of unsaturated hydrocarbon-based precursor material with at lease one polar liquid against the polymerization comprises adding to the mixture, a stabilizer selected from the group consisting of a hydroxybenzophenone and a nitroxyl radical based stabilizer.Type: ApplicationFiled: May 28, 2008Publication date: June 25, 2009Applicant: AIR PRODUCTS AND CHEMICALS, INC.Inventors: Steven Gerard Mayorga, Kelly Ann Chandler, Mary Kathryn Haas, Mark Leonard O'Neill, Dino Sinatore
-
Publication number: 20090159843Abstract: A stabilized composition consists essentially of unsaturated hydrocarbon-based materials, and a stabilizer selected from the group consisting of a hydroxybenzophenone and a nitroxyl radical based stabilizer. A stabilized composition consists essentially of unsaturated hydrocarbon-based materials, at least one polar liquid and a stabilizer selected from the group consisting of a hydroxybenzophenone, a nitroxyl radical based stabilizer and a hydroquinone based stabilizer. A method for stabilizing unsaturated hydrocarbon-based precursor material against the polymerization comprises providing a stabilizer selected from the group consisting of a hydroxybenzophenone and a nitroxyl radical based stabilizer. A method for stabilizing a mixture of unsaturated hydrocarbon-based precursor material with at lease one polar liquid against the polymerization comprises adding to the mixture, a stabilizer selected from the group consisting of a hydroxybenzophenone and a nitroxyl radical based stabilizer.Type: ApplicationFiled: February 27, 2008Publication date: June 25, 2009Applicant: AIR PRODUCTS AND CHEMICALS, INC.Inventors: Steven Gerard Mayorga, Kelly Ann Chandler
-
Publication number: 20090087796Abstract: The present invention provides a method for forming an amorphous carbon layer on a substrate. The method comprises the steps of: positioning the substrate in a processing chamber; introducing a process gas into the processing chamber, wherein the process gas comprises a composition comprising a C4 to C10 cyclic hydrocarbon having a single carbon-carbon double bond, wherein the composition is free of a stabilizer; generating a plasma of the process gas; and depositing an amorphous carbon layer on the substrate.Type: ApplicationFiled: September 16, 2008Publication date: April 2, 2009Applicant: Air Products and Chemicals, Inc.Inventors: Raymond Nicholas Vrtis, Stephen Andrew Motika, Steven Gerard Mayorga
-
Publication number: 20080188679Abstract: The present invention provides a method for purifying an organosilicon composition comprising an alkoxysilane or a carboxysilane and a basic impurity, the method comprising the steps of: contacting the organosilicon composition with an acid gas to form a precipitate comprising a salt of the acid gas upon reaction with the basic impurity; and removing the salt of the acid gas to form a purified organosilicon product.Type: ApplicationFiled: May 24, 2007Publication date: August 7, 2008Applicant: AIR PRODUCTS AND CHEMICALS, INC.Inventors: Steven Gerard Mayorga, Kelly A. Chandler
-
Patent number: 7300995Abstract: The present invention is; (a) a process for stabilizing a cyclotetrasiloxane, such as 1,3,5,7-tetramethylcyclotetrasiloxane, against polymerization used in a chemical vapor deposition process for silicon oxides in electronic material fabrication comprising providing an effective amount of a free radical scavenger polymerization inhibitor to such cyclotetrasiloxane; and (b) a composition of a cyclotetrasiloxane, such as 1,3,5,7-tetramethylcyclotetrasiloxane, stabilized against polymerization used in a chemical vapor deposition process as a precursor for silicon oxides in electronic material fabrication, comprising; such cyclotetrasiloxane and a free radical scavenger polymerization inhibitor.Type: GrantFiled: July 11, 2006Date of Patent: November 27, 2007Assignee: Air Products and Chemicals, Inc.Inventors: Steven Gerard Mayorga, Manchao Xiao, Thomas Richard Gaffney, Robert George Syvret
-
Patent number: 7101948Abstract: The present invention is; (a) a process for stabilizing a cyclotetrasiloxane, such as 1,3,5,7-tetramethylcyclotetrasiloxane, against polymerization used in a chemical vapor deposition process for silicon oxides in electronic material fabrication comprising providing an effective amount of a free radical scavenger polymerization inhibitor to such cyclotetrasiloxane; and (b) a composition of a cyclotetrasiloxane, such as 1,3,5,7-tetramethylcyclotetrasiloxane, stabilized against polymerization used in a chemical vapor deposition process as a precursor for silicon oxides in electronic material fabrication, comprising; such cyclotetrasiloxane and a free radical scavenger polymerization inhibitor.Type: GrantFiled: June 23, 2003Date of Patent: September 5, 2006Assignee: Air Products and Chemicals, Inc.Inventors: Steven Gerard Mayorga, Manchao Xiao, Thomas Richard Gaffney, Robert George Syvret
-
Patent number: 6858697Abstract: The present invention is; (a) a process for stabilizing a cyclotetrasiloxane, such as 1,3,5,7-tetramethylcyclotetrasiloxane, against polymerization used in a chemical vapor deposition process for silicon oxides in electronic material fabrication comprising providing an effective amount of a neutral to weakly acidic polymerization inhibitor to such cyclotetrasiloxane; and (b) a composition of a cyclotetrasiloxane, such as 1,3,5,7-tetramethylcyclotetrasiloxane, stabilized against polymerization used in a chemical vapor deposition process as a precursor for silicon oxides in electronic material fabrication, comprising; such cyclotetrasiloxane and a neutral to weakly acidic polymerization inhibitor. A free radical scavenger can also be included in the process and composition.Type: GrantFiled: December 21, 2001Date of Patent: February 22, 2005Assignee: Air Products and Chemicals, Inc.Inventors: Steven Gerard Mayorga, Manchao Xiao, Thomas Richard Gaffney
-
Publication number: 20040054114Abstract: The present invention is; (a) a process for stabilizing a cyclotetrasiloxane, such as 1,3,5,7-tetramethylcyclotetrasiloxane, against polymerization used in a chemical vapor deposition process for silicon oxides in electronic material fabrication comprising providing an effective amount of a free radical scavenger polymerization inhibitor to such cyclotetrasiloxane; and (b) a composition of a cyclotetrasiloxane, such as 1,3,5,7-tetramethylcyclotetrasiloxane, stabilized against polymerization used in a chemical vapor deposition process as a precursor for silicon oxides in electronic material fabrication, comprising; such cyclotetrasiloxane and a free radical scavenger polymerization inhibitor.Type: ApplicationFiled: June 23, 2003Publication date: March 18, 2004Inventors: Steven Gerard Mayorga, Manchao Xiao, Thomas Richard Gaffney, Robert George Syvret
-
Publication number: 20030149213Abstract: The present invention is; (a) a process for stabilizing a cyclotetrasiloxane, such as 1,3,5,7-tetramethylcyclotetrasiloxane, against polymerization used in a chemical vapor deposition process for silicon oxides in electronic material fabrication comprising providing an effective amount of a neutral to weakly acidic polymerization inhibitor to such cyclotetrasiloxane; and (b) a composition of a cyclotetrasiloxane, such as 1,3,5,7-tetramethylcyclotetrasiloxane, stabilized against polymerization used in a chemical vapor deposition process as a precursor for silicon oxides in electronic material fabrication, comprising; such cyclotetrasiloxane and a neutral to weakly acidic polymerization inhibitor. A free radical scavenger can also be included in the process and composition.Type: ApplicationFiled: December 21, 2001Publication date: August 7, 2003Inventors: Steven Gerard Mayorga, Manchao Xiao, Thomas Richard Gaffney
-
Patent number: 6315973Abstract: A cyclic process for operating an equilibrium controlled reaction in a plurality of reactors containing an admixture of an adsorbent and a reaction catalyst suitable for performing the desired reaction which is operated in a predetermined timed sequence wherein the heating and cooling requirements in a moving reaction mass transfer zone within each reactor are provided by indirect heat exchange with a fluid capable of phase change at temperatures maintained in each reactor during sorpreaction, depressurization, purging and pressurization steps during each process cycle.Type: GrantFiled: April 8, 1996Date of Patent: November 13, 2001Assignee: Air Products and Chemicals, Inc.Inventors: Shankar Nataraj, Brian Thomas Carvill, Jeffrey Raymond Hufton, Steven Gerard Mayorga, Thomas Richard Gaffney, Jeffrey Richard Brzozowski