Patents by Inventor Donald Wayne Whisenhunt, Jr.
Donald Wayne Whisenhunt, Jr. 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: 6440892Abstract: The present invention provides a method and catalyst composition for carbonylating aromatic hydroxy compounds, comprising the step of contacting at least one aromatic hydroxy compound with oxygen and carbon monoxide in the presence of a carbonylation catalyst composition comprising an effective amount of at least one Group 8, 9, or 10 metal source, an effective amount of a combination of inorganic co-catalysts comprising at least one Group 4 metal source and at least one Group 11 metal source, an effective amount of at least one salt co-catalyst with an anion selected from the group consisting of carboxylate, benzoate, acetate, sulfate, and nitrate, wherein the carbonylation catalyst composition is free of a halide source.Type: GrantFiled: March 30, 2001Date of Patent: August 27, 2002Assignee: General Electric CompanyInventors: Kirill Vladimirovich Shalyaev, Grigorii Lev Soloveichik, Donald Wayne Whisenhunt, Jr., Bruce Fletcher Johnson
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Patent number: 6440893Abstract: A method and catalyst composition for economically producing aromatic carbonates from aromatic hydroxy compounds is disclosed. The present invention provides a method for carbonylating aromatic hydroxy compounds, comprising the step of contacting at least one aromatic hydroxy compound with oxygen and carbon monoxide in the presence of a halide-free carbonylation catalyst composition comprising an effective amount of at least one Group 8, 9, or 10 metal source, an effective amount of a first inorganic co-catalyst comprising at least one Group 14 metal source, an effective amount of a salt co-catalyst, and optionally an effective amount of a second inorganic co-catalyst selected from the group consisting of a Group 4 metal source, a Group 7 metal source, a Group 11 metal source, and a lanthanide element source, and optionally an effective amount of a base.Type: GrantFiled: March 30, 2001Date of Patent: August 27, 2002Assignee: General Electric CompanyInventors: Kirill Vladimirovich Shalyaev, Bruce Fletcher Johnson, Donald Wayne Whisenhunt, Jr., Grigorii Lev Soloveichik
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Patent number: 6380418Abstract: A method and catalyst system for producing aromatic carbonates from aromatic hydroxy compounds. In one embodiment, the method includes the step of contacting at least one aromatic hydroxy compound with oxygen and carbon monoxide in the presence of a carbonylation catalyst system having an effective amount of a manganese source in the absence of a Group VIII B metal source. In various alternative embodiments, the carbonylation catalyst system can include at least one inorganic co-catalyst, as well as a halide composition and/or a base.Type: GrantFiled: November 27, 2000Date of Patent: April 30, 2002Assignee: General Electric CompanyInventors: Ben Purushotam Patel, Grigorii Lev Soloveichik, Donald Wayne Whisenhunt, Jr., Kirill Vladimirovich Shalyaev
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Patent number: 6380417Abstract: A method and catalyst system for economically producing aromatic carbonates from aromatic hydroxy compounds. In one embodiment, the present invention provides a method of carbonylating aromatic hydroxy compounds by contacting at least one aromatic hydroxy compound with oxygen and carbon monoxide in the presence of a carbonylation catalyst system that includes a catalytic amount of a combination of inorganic co-catalysts containing manganese and nickel; manganese and iron; manganese and chromium; manganese and cerium; manganese and europium; manganese, cerium, and europium; manganese, iron, and europium; or manganese and thorium. In various alternative embodiments, the carbonylation catalyst system can include an effective amount of a palladium source and an effective amount of a halide composition. Further alternative embodiments can include catalytic amounts of various other inorganic co-catalyst combinations.Type: GrantFiled: September 15, 2000Date of Patent: April 30, 2002Assignee: General Electric CompanyInventors: James Lawrence Spivack, Donald Wayne Whisenhunt, Jr., James Norman Cawse, Bruce Fletcher Johnson, Grigorii Lev Soloveichik, John Yaw Ofori, Eric James Pressman
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Patent number: 6372683Abstract: A method and catalyst system for producing aromatic carbonates from aromatic hydroxy compounds. In one embodiment, the method includes the step of contacting at least one aromatic hydroxy compound with oxygen and carbon monoxide in the presence of a carbonylation catalyst system having catalytic amounts of the following components: a Group VIII B metal source; a combination of inorganic co-catalysts including a copper source and at least one of a titanium source or a zirconium source; an onium chloride composition; and a base. Alternative embodiments include inorganic co-catalyst combinations of a lead source and at least one of a titanium source or a manganese source.Type: GrantFiled: January 10, 2001Date of Patent: April 16, 2002Assignee: General Electric CompanyInventors: Kirill Vladimirovich Shalyaev, Grigorii Lev Soloveichik, Bruce Fletcher Johnson, Donald Wayne Whisenhunt, Jr.
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Patent number: 6365538Abstract: A method and catalyst system for producing aromatic carbonates from aromatic hydroxy compounds. In one embodiment, the method includes the step of contacting at least one aromatic hydroxy compound with oxygen and carbon monoxide in the presence of a carbonylation catalyst system having catalytic amounts of the following components: a Group VIII B metal source; an alkaline metal chloride; a polyether; and a base. Alternative embodiments substitute a catalytic amount of a nitrile promoter for the polyether.Type: GrantFiled: January 31, 2000Date of Patent: April 2, 2002Assignee: General Electric CompanyInventors: Kirill Vladimirovich Shalyaev, Grigorii Lev Soloveichik, Bruce Fletcher Johnson, Donald Wayne Whisenhunt, Jr.
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Patent number: 6355597Abstract: A catalyst system for economically producing aromatic carbonates from aromatic hydroxy compounds. In one embodiment, the present invention provides a carbonylation catalyst system that includes a catalytic amount of an inorganic co-catalyst containing bismuth. In various alternative embodiments, the carbonylation catalyst system can include an effective amount of a palladium source and an effective amount of a halide composition. Further alternative embodiments can include catalytic amounts of various inorganic co-catalyst combinations.Type: GrantFiled: April 27, 2000Date of Patent: March 12, 2002Assignee: General Electric CompanyInventors: James Lawrence Spivack, Donald Wayne Whisenhunt, Jr., James Norman Cawse, Bruce Fletcher Johnson, Kirill Shalyaev
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Patent number: 6355824Abstract: A method and catalyst system for producing aromatic carbonates from aromatic hydroxy compounds. In one embodiment, the method includes the step of contacting at least one aromatic hydroxy compound with oxygen and carbon monoxide in the presence of a carbonylation catalyst system having an effective amount of an iron source in the absence of a Group VIII B metal source. In various alternative embodiments, the carbonylation catalyst system can include at least one inorganic co-catalyst, as well as a halide composition and/or a base.Type: GrantFiled: December 4, 2000Date of Patent: March 12, 2002Assignee: General Electric CompanyInventors: Ben Purushotam Patel, Grigorii Lev Soloveichik, Donald Wayne Whisenhunt, Jr., Kirill Vladimirovich Shalyaev
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Patent number: 6323358Abstract: A method and catalyst system for producing aromatic carbonates from aromatic hydroxy compounds. In one embodiment, the method includes the step of contacting at least one aromatic hydroxy compound with oxygen and carbon monoxide in the presence of a carbonylation catalyst system having an effective amount of a cobalt source in the absence of a Group VIII B metal source. In various alternative embodiments, the carbonylation catalyst system can include at least one inorganic co-catalyst, as well as a halide composition and/or a base.Type: GrantFiled: September 20, 2000Date of Patent: November 27, 2001Assignee: General Electric CompanyInventors: Ben Purushotam Patel, Grigorii Lev Soloveichik, Donald Wayne Whisenhunt, Jr., Kirill Vladimirovich Shalyaev
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Patent number: 6207849Abstract: A method and catalyst system for producing aromatic carbonates from aromatic hydroxy compounds. In one embodiment, the method includes the step of contacting at least one aromatic hydroxy compound with oxygen and carbon monoxide in the presence of a carbonylation catalyst system having catalytic amounts of the following components: a Group VIII B metal source; a combination of inorganic co-catalysts including a copper source and at least one of a titanium source or a zirconium source; an onium chloride composition; and a base. Alternative embodiments include inorganic co-catalyst combinations of a lead source and at least one of a titanium source or a manganese source.Type: GrantFiled: January 31, 2000Date of Patent: March 27, 2001Assignee: General Electric CompanyInventors: Kirill Vladimirovich Shalyaev, Grigorii Lev Soloveichik, Bruce Fletcher Johnson, Donald Wayne Whisenhunt, Jr.
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Patent number: 6201146Abstract: A method and catalyst system for economically producing aromatic carbonates from aromatic hydroxy compounds. In one embodiment, the present invention provides a method of carbonylating aromatic hydroxy compounds by contacting at least one aromatic hydroxy compound with oxygen and carbon monoxide in the presence of a carbonylation catalyst system that includes a catalytic amount of an inorganic co-catalyst containing titanium. In various alternative embodiments, the carbonylation catalyst system can include an effective amount of a palladium source and an effective amount of a halide composition. Further alternative embodiments can include catalytic amounts of various inorganic co-catalyst combinations.Type: GrantFiled: April 29, 1999Date of Patent: March 13, 2001Assignee: General Electric CompanyInventors: James Lawrence Spivack, James Norman Cawse, Donald Wayne Whisenhunt, Jr., Bruce Fletcher Johnson, Grigorii Lev Soloveichik
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Patent number: 6187942Abstract: A method and catalyst system for producing aromatic carbonates from aromatic hydroxy compounds is disclosed. In one embodiment, the method includes the step of contacting at least one aromatic hydroxy compound with oxygen and carbon monoxide in the presence of a carbonylation catalyst system having an effective amount of an iron source as the primary catalyst component in the absence of a Group VIII B metal source. In various alternative embodiments, the carbonylation catalyst system can include at least one inorganic co-catalyst, as well as a halide composition and/or a base.Type: GrantFiled: March 1, 2000Date of Patent: February 13, 2001Assignee: General Electric CompanyInventors: Ben Purushotam Patel, Grigorii Lev Soloveichik, Donald Wayne Whisenhunt, Jr., Kirill Vladimirovich Shalyaev
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Patent number: 6184409Abstract: A method and catalyst system for producing aromatic carbonates from aromatic hydroxy compounds is disclosed. In one embodiment, the method includes the step of contacting at least one aromatic hydroxy compound with oxygen and carbon monoxide in the presence of a carbonylation catalyst system having an effective amount of a nickel source as the primary catalyst component in the absence of a Group VIII B metal source. In various alternative embodiments, the carbonylation catalyst system can include at least one inorganic co-catalyst, as well as a halide composition and/or a base.Type: GrantFiled: March 1, 2000Date of Patent: February 6, 2001Assignee: General Electric CompanyInventors: Ben Purushotam Patel, Grigorii Lev Soloveichik, Donald Wayne Whisenhunt, Jr., Kirill Vladimirovich Shalyaev
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Patent number: 6175032Abstract: A method and catalyst system for producing aromatic carbonates from aromatic hydroxy compounds. In one embodiment, the method includes the step of contacting at least one aromatic hydroxy compound with oxygen and carbon monoxide in the presence of a carbonylation catalyst system having an effective amount of a cobalt source in the absence of a Group VIII B metal source. In various alternative embodiments, the carbonylation catalyst system can include at least one inorganic co-catalyst, as well as a halide composition and/or a base.Type: GrantFiled: February 22, 2000Date of Patent: January 16, 2001Assignee: General Electric CompanyInventors: Ben Purushotam Patel, Grigorii Lev Soloveichik, Donald Wayne Whisenhunt, Jr., Kirill Vladimirovich Shalyaev
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Patent number: 6175033Abstract: A method and catalyst system for producing aromatic carbonates from aromatic hydroxy compounds. In one embodiment, the method includes the step of contacting at least one aromatic hydroxy compound with oxygen and carbon monoxide in the presence of a carbonylation catalyst system having an effective amount of a manganese source in the absence of a Group VIII B metal source. In various alternative embodiments, the carbonylation catalyst system can include at least one inorganic co-catalyst, as well as a halide composition and/or a base.Type: GrantFiled: February 22, 2000Date of Patent: January 16, 2001Assignee: General Electric CompanyInventors: Ben Purushotam Patel, Grigorii Lev Soloveichik, Donald Wayne Whisenhunt, Jr., Kirill Vladimirovich Shalyaev
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Patent number: 6160154Abstract: A method and catalyst system for economically producing aromatic carbonates from aromatic hydroxy compounds. In one embodiment, the present invention provides a method of carbonylating aromatic hydroxy compounds by contacting at least one aromatic hydroxy compound with oxygen and carbon monoxide in the presence of a carbonylation catalyst system that includes a catalytic amount of an inorganic co-catalyst containing copper. In various alternative embodiments, the carbonylation catalyst system can include an effective amount of a palladium source and an effective amount of a halide composition. Further alternative embodiments can include catalytic amounts of various inorganic co-catalyst combinations.Type: GrantFiled: April 29, 1999Date of Patent: December 12, 2000Assignee: General Electric CompanyInventors: James Lawrence Spivack, Donald Wayne Whisenhunt, Jr., James Norman Cawse, Bruce Fletcher Johnson, Marsha Mottel Grade, Grigorii Lev Soloveichik, John Yaw Ofori, Eric James Pressman
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Patent number: 6160155Abstract: A method and catalyst system for economically producing aromatic carbonates from aromatic hydroxy compounds. In one embodiment, the present invention provides a method of carbonylating aromatic hydroxy compounds by contacting at least one aromatic hydroxy compound with oxygen and carbon monoxide in the presence of a carbonylation catalyst system that includes a catalytic amount of an inorganic co-catalyst containing ytterbium. In various alternative embodiments, the carbonylation catalyst system can include an effective amount of a palladium source and an effective amount of a halide composition. Further alternative embodiments can include catalytic amounts of various inorganic co-catalyst combinations.Type: GrantFiled: April 29, 1999Date of Patent: December 12, 2000Assignee: General Electric CompanyInventors: James Lawrence Spivack, Donald Wayne Whisenhunt, Jr., James Norman Cawse, Grigorii Lev Soloveichik
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Patent number: 6143914Abstract: A method and catalyst system for economically producing aromatic carbonates from aromatic hydroxy compounds. In one embodiment, the present invention provides a method of carbonylating aromatic hydroxy compounds by contacting at least one aromatic hydroxy compound with oxygen and carbon monoxide in the presence of a carbonylation catalyst system that includes a catalytic amount of a combination of inorganic co-catalysts containing manganese and nickel; manganese and iron; manganese and chromium; manganese and cerium; manganese and europium; manganese, cerium, and europium; manganese, iron, and europium; or manganese and thorium. In various alternative embodiments, the carbonylation catalyst system can include an effective amount of a palladium source and an effective amount of a halide composition. Further alternative embodiments can include catalytic amounts of various other inorganic co-catalyst combinations.Type: GrantFiled: April 29, 1999Date of Patent: November 7, 2000Assignee: General Electric CompanyInventors: James Lawrence Spivack, Donald Wayne Whisenhunt, Jr., James Norman Cawse, Bruce Fletcher Johnson, Grigorii Lev Soloveichik, John Yaw Ofori, Eric James Pressman
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Patent number: 6143913Abstract: A method and catalyst system for economically producing aromatic carbonates from aromatic hydroxy compounds. In one embodiment, the present invention provides a method of carbonylating aromatic hydroxy compounds by contacting at least one aromatic hydroxy compound with oxygen and carbon monoxide in the presence of a carbonylation catalyst system that includes a catalytic amount of an inorganic co-catalyst containing zinc. In various alternative embodiments, the carbonylation catalyst system can include an effective amount of a palladium source and an effective amount of a halide composition. Further alternative embodiments can include catalytic amounts of various inorganic co-catalyst combinations.Type: GrantFiled: April 29, 1999Date of Patent: November 7, 2000Assignee: General Electric CompanyInventors: James Lawrence Spivack, Donald Wayne Whisenhunt, Jr., James Norman Cawse, Bruce Fletcher Johnson
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Patent number: 6114563Abstract: A method and catalyst system for economically producing aromatic carbonates from aromatic hydroxy compounds. In one embodiment, the present invention provides a method of carbonylating aromatic hydroxy compounds by contacting at least one aromatic hydroxy compound with oxygen and carbon monoxide in the presence of a carbonylation catalyst system that includes a catalytic amount of an inorganic co-catalyst containing bismuth. In various alternative embodiments, the carbonylation catalyst system can include an effective amount of a palladium source and an effective amount of a halide composition. Further alternative embodiments can include catalytic amounts of various inorganic co-catalyst combinations.Type: GrantFiled: April 29, 1999Date of Patent: September 5, 2000Assignee: General Electric Co.Inventors: James Lawrence Spivack, Donald Wayne Whisenhunt, Jr., James Norman Cawse, Bruce Fletcher Johnson, Kirill Shalyaev