Patents by Inventor Ruth Mary Kowaleski
Ruth Mary Kowaleski 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: 10207964Abstract: A process for making cumene by the alkylation of benzene with propylene using a benzene alkylation catalyst that comprises an organotemplate-free zeolite beta having a silica-to-alumina molar ratio of less than 20 and synthesized without an organic structure directing agent (SDA).Type: GrantFiled: October 4, 2016Date of Patent: February 19, 2019Assignee: SHELL OIL COMPANYInventor: Ruth Mary Kowaleski
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Publication number: 20180030358Abstract: A process for the production of an aromatics-rich hydrocarbons useful as gasoline component from solid biomass is provided. The process provides for longer condensation catalyst life by contacting the stable oxygenated hydrocarbon intermediate produced from digestion and hydrodoxygenation of the solid biomass to a binder-free shaped ZSM-5 catalyst.Type: ApplicationFiled: July 26, 2017Publication date: February 1, 2018Inventors: Kimberly Ann JOHNSON, Ruth Mary KOWALESKI
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Publication number: 20170096378Abstract: A process for making cumene by the alkylation of benzene with propylene using a benzene alkylation catalyst that comprises an organotemplate-free zeolite beta having a silica-to-alumina molar ratio of less than 20 and synthesized without an organic structure directing agent (SDA).Type: ApplicationFiled: October 4, 2016Publication date: April 6, 2017Inventor: Ruth Mary KOWALESKI
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Patent number: 8552237Abstract: A dehydrogenation catalyst is described that comprises an iron oxide, an alkali metal or compound thereof, and rhenium or a compound thereof. A process for preparing a dehydrogenation catalyst comprising preparing a mixture of iron oxide, an alkali metal or compound thereof, and rhenium or a compound thereof is also described. Additionally, a dehydrogenation process using the catalyst and a process for preparing polymers are described.Type: GrantFiled: March 19, 2012Date of Patent: October 8, 2013Assignee: BASF CorporationInventor: Ruth Mary Kowaleski
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Publication number: 20120209048Abstract: A dehydrogenation catalyst is described that comprises an iron oxide, an alkali metal or compound thereof, and rhenium or a compound thereof. A process for preparing a dehydrogenation catalyst comprising preparing a mixture of iron oxide, an alkali metal or compound thereof, and rhenium or a compound thereof is also described. Additionally, a dehydrogenation process using the catalyst and a process for preparing polymers are described.Type: ApplicationFiled: March 19, 2012Publication date: August 16, 2012Applicant: BASF CorporationInventor: Ruth Mary Kowaleski
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Patent number: 8143188Abstract: A dehydrogenation catalyst is described that comprises an iron oxide, an alkali metal or compound thereof, and rhenium or a compound thereof. A process for preparing a dehydrogenation catalyst comprising preparing a mixture of iron oxide, an alkali metal or compound thereof, and rhenium or a compound thereof is also described. Additionally, a dehydrogenation process using the catalyst and a process for preparing polymers are described.Type: GrantFiled: May 1, 2008Date of Patent: March 27, 2012Assignee: BASF CorporationInventor: Ruth Mary Kowaleski
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Patent number: 8119559Abstract: A dehydrogenation catalyst is described comprising an iron oxide, an alkali metal or compound thereof, and silver or a compound thereof. Further a process is described for preparing a dehydrogenation catalyst that comprises preparing a mixture of iron oxide, an alkali metal or compound thereof, and silver or a compound thereof and calcining the mixture. A process for dehydrogenating a dehydrogenatable hydrocarbon and a process for polymerizing the dehydrogenated hydrocarbon are also described.Type: GrantFiled: May 1, 2008Date of Patent: February 21, 2012Assignee: BASF CorporationInventor: Ruth Mary Kowaleski
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Patent number: 7932407Abstract: A process for the epoxidation of an olefin, which process comprises reacting a feed comprising an olefin, oxygen and an organic halide, in the presence of a catalyst comprising silver and rhenium deposited on a carrier, wherein the catalyst comprises rhenium in a quantity of at most 1.5 mmole/kg, relative to the weight of the catalyst, and at most 0.0015 mmole/m2, relative to the surface area of the carrier, and in which process the reaction temperature is increased to at least partly reduce the effect of loss of activity of the catalyst while the organic halide is present in a relative quantity Q which is maintained constant as defined herein.Type: GrantFiled: April 1, 2004Date of Patent: April 26, 2011Assignee: Shell Oil CompanyInventors: Marek Matusz, Ruth Mary Kowaleski
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Patent number: 7663009Abstract: An improved dehydrogenation process that comprises the dehydrogenation of dehydrogenatable hydrocarbons by the utilization of an iron oxide based dehydrogenation catalyst composition having a low titanium content under low steam-to-oil process conditions.Type: GrantFiled: November 16, 2005Date of Patent: February 16, 2010Assignee: Shell Oil CompanyInventor: Ruth Mary Kowaleski
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Publication number: 20090281256Abstract: A dehydrogenation catalyst is described that comprises an iron oxide, an alkali metal or compound thereof, and indium or a compound thereof. A process for preparing a dehydrogenation catalyst comprising preparing a mixture of iron oxide, an alkali metal or compound thereof, and indium or a compound thereof is also described. Additionally, a dehydrogenation process using the catalyst and a process for preparing polymers are described.Type: ApplicationFiled: May 1, 2008Publication date: November 12, 2009Inventors: Ruth Mary KOWALESKI, Armin Lange de Oliveira
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Publication number: 20090062588Abstract: A dehydrogenation catalyst is described comprising an iron oxide, an alkali metal or compound thereof, and silver or a compound thereof. Further a process is described for preparing a dehydrogenation catalyst that comprises preparing a mixture of iron oxide, an alkali metal or compound thereof, and silver or a compound thereof and calcining the mixture. A process for dehydrogenating a dehydrogenatable hydrocarbon and a process for polymerizing the dehydrogenated hydrocarbon are also described.Type: ApplicationFiled: May 1, 2008Publication date: March 5, 2009Inventor: Ruth Mary KOWALESKI
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Publication number: 20090062587Abstract: A dehydrogenation catalyst is described that comprises an iron oxide, an alkali metal or compound thereof, and rhenium or a compound thereof. A process for preparing a dehydrogenation catalyst comprising preparing a mixture of iron oxide, an alkali metal or compound thereof, and rhenium or a compound thereof is also described. Additionally, a dehydrogenation process using the catalyst and a process for preparing polymers are described.Type: ApplicationFiled: May 1, 2008Publication date: March 5, 2009Inventor: Ruth Mary KOWALESKI
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Publication number: 20080207858Abstract: A process for preparing a catalyst which process comprises preparing a mixture comprising iron oxide and at least one Column 1 metal or compound thereof, wherein the iron oxide is obtained by heating a mixture comprising an iron halide and at least 0.05 millimoles of a Column 6 metal per mole of iron; a catalyst made by the above described process; an iron oxide composition; a process for the dehydrogenation of an alkylaromatic compound which process comprises contacting the alkylaromatic compound with the catalyst; and a method of using an alkenylaromatic compound for making polymers or copolymers, in which the alkenylaromatic compound has been produced by the dehydrogenation process.Type: ApplicationFiled: January 16, 2008Publication date: August 28, 2008Inventors: Ruth Mary Kowaleski, David Morris HAMILTON
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Publication number: 20080200632Abstract: A process for preparing a catalyst which process comprises preparing a mixture comprising iron oxide and at least one Column 1 metal or compound thereof, wherein the iron oxide is obtained by heating a mixture comprising an iron halide and at least 0.05 millimole of a metal chloride that is converted to a metal oxide under the heating conditions per mole of iron; a catalyst made by the above described process; a process for the dehydrogenation of an alkylaromatic compound which process comprises contacting the alkylaromatic compound with the catalyst; and a method of using an alkenylaromatic compound for making polymers or copolymers, in which the alkenylaromatic compound has been produced by the dehydrogenation process.Type: ApplicationFiled: January 16, 2008Publication date: August 21, 2008Inventors: Ruth Mary Kowaleski, David Morris HAMILTON
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Publication number: 20080200741Abstract: A process for preparing a dehydrogenation catalyst comprising preparing a mixture comprising a treated regenerator iron oxide and at least one additional catalyst component; and calcining the mixture wherein the treated regenerator iron oxide is prepared by washing a regenerator iron oxide at a temperature below 350° C. such that the treated regenerator iron oxide has a chloride content of at most 500 ppmw relative to the weight of iron oxide, calculated as Fe2O3; the catalyst prepared by this process and the use of the catalyst in a dehydrogenation process.Type: ApplicationFiled: January 30, 2008Publication date: August 21, 2008Inventor: Ruth Mary KOWALESKI
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Patent number: 7282619Abstract: Described is a method for operating and shutting down a dehydrogenation reactor that contains a volume of dehydrogenation catalyst. After termination of the introduction of a dehydrogenation feed into the dehydrogenation reactor that is operated under dehydrogenation reaction conditions, a first cooling fluid comprising steam is introduced into the reactor for a first time period sufficient to cool the dehydrogenation catalyst contained in the dehydrogenation reactor to a second temperature. The introduction of the first cooling fluid is terminated followed by the introduction of a second cooling fluid for a second time period sufficient to cool the dehydrogenation catalyst contained in the dehydrogenation reactor to a third temperature that allows for the handling and removal of the dehydrogenation catalyst from the dehydrogenation reactor.Type: GrantFiled: July 22, 2004Date of Patent: October 16, 2007Assignee: Shell Oil CompanyInventors: Ruth Mary Kowaleski, Robert Dielman Culp
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Publication number: 20040198993Abstract: A process for the epoxidation of an olefin, which process comprises reacting a feed comprising an olefin, oxygen and an organic halide, in the presence of a catalyst comprising silver and rhenium deposited on a carrier, wherein the catalyst comprises rhenium in a quantity of at most 1.5 mmole/kg, relative to the weight of the catalyst, and at most 0.0015 mmole/m2, relative to the surface area of the carrier, and in which process the reaction temperature is increased to at least partly reduce the effect of loss of activity of the catalyst while the organic halide is present in a relative quantity Q which is maintained constant, which relative quantity Q is the ratio of an effective molar quantity of active halogen species present in the feed to an effective molar quantity of hydrocarbons present in the feed; and a catalyst comprising silver and rhenium deposited on a carrier, wherein the catalyst comprises rhenium in a quantity of at most 0.9 mmole/kg, relative to the weight of the catalyst, and at most 0.Type: ApplicationFiled: April 1, 2004Publication date: October 7, 2004Inventors: Marek Matusz, Ruth Mary Kowaleski
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Patent number: 6180072Abstract: There is provided a process to reclaim metals from catalysts, said process comprising collecting one or more catalyst containing at least one metal sulfide; leaching the catalyst in an atmospheric leach step; separating the leached slurry into a first liquid stream and a first solid; leaching the first solid in a pressure leach process; separating the second leached slurry into a second liquid stream and a second solid; collecting the first and second liquid streams; oxidizing the combined liquid stream; cooling the oxidized liquid stream; adjusting the pH of the oxidized liquid stream; contacting the cooled oxidized liquid stream with an organic solvent containing an extractant; stripping the soluble metal species from the organic phase; adjusting the pH of the aqueous phase to selectively precipitate at least one metal as a metal salt; and separating the metal salt from the aqueous phase.Type: GrantFiled: May 6, 1999Date of Patent: January 30, 2001Assignee: Shell Oil CompanyInventors: Jack Thomas Veal, Kevin Arnold Andersen, Ruth Mary Kowaleski
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Patent number: 5801259Abstract: This invention relates to an ethylene oxide catalyst which contains silver and one or more alkali metal promoters supported on a carrier prepared by a process comprising the use of ceramic particle components with particle sizes chosen to ensure that a desired degree of porosity is obtained without the use of organic burnout materials.Type: GrantFiled: April 30, 1996Date of Patent: September 1, 1998Assignee: Shell Oil CompanyInventor: Ruth Mary Kowaleski