Patents by Inventor Ernst Billig
Ernst Billig 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: 6090987Abstract: This invention relates to a method of stabilizing a metal-organophosphorus ligand complex catalyst against deactivation in a process which comprises reacting one or more reactants in the presence of a metal-organophosphorus ligand complex catalyst and optionally free organophosphorus ligand to produce a reaction product fluid comprising one or more products, and in which at least a portion of said process is conducted under separation conditions sufficient to effect at least some deactivation of the metal-organophosphorus ligand complex catalyst, which method comprises conducting the portion of said process that occurs under separation conditions in the presence of one or more alkadienes sufficient to prevent and/or lessen deactivation of the metal-organophosphorus ligand complex catalyst.Type: GrantFiled: July 6, 1998Date of Patent: July 18, 2000Assignee: Union Carbide Chemicals & Plastics Technology CorporationInventors: Ernst Billig, David Robert Bryant, Craig Alan Beasley, Donald Lee Morrison, Michael David Warholic, Kenneth Elwood Stockman
-
Patent number: 5892119Abstract: This invention relates to a process for separating one or more phosphorus acidic compounds from a reaction product fluid containing said one or more phosphorus acidic compounds, a metal-organophosphorus ligand complex catalyst and optionally free organophosphorus ligand which process comprises (a) treating said reaction product fluid with water sufficient to remove at least some amount of said one or more phosphorus acidic compounds from said reaction product fluid and (b) treating the water which contains phosphorus acidic compounds removed from said reaction product fluid with an ion exchange resin sufficient to remove at least some amount of said one or more phosphorus acidic compounds from said water.Type: GrantFiled: March 11, 1997Date of Patent: April 6, 1999Assignee: Union Carbide Chemicals & Plastics Technology CorporationInventors: David Robert Bryant, James Clair Nicholson, Ernst Billig, John Robert Briggs, Diane Lee Packett, John Michael Maher
-
Patent number: 5874640Abstract: This invention relates to a process for separating one or more phosphorus acidic compounds from a reaction product fluid containing said one or more phosphorus acidic compounds, a metal-organophosphorus ligand complex catalyst and optionally free organophosphorus ligand which process comprises treating said reaction product fluid with an aqueous buffer solution sufficient to neutralize and remove at least some amount of said one or more phosphorus acidic compounds from said reaction product fluid.Type: GrantFiled: March 11, 1997Date of Patent: February 23, 1999Assignee: Union Carbide Chemicals & Plastics Technology CorporationInventors: David Robert Bryant, Tak Wai Leung, Ernst Billig, Thomas Carl Eisenschmid, James Clair Nicholson, John Robert Briggs, Diane Lee Packett, John Michael Maher
-
Patent number: 5767321Abstract: This invention relates to a process which comprises reacting one or more reactants in the presence of a metal-organopolyphosphite ligand complex catalyst to produce a reaction product fluid comprising one or more products, wherein said process is conducted at a free organopolyphosphite ligand concentration sufficient to prevent and/or lessen hydrolytic degradation of the organopolyphosphite ligand and deactivation of the metal-organopolyphosphite ligand complex catalyst.Type: GrantFiled: November 26, 1996Date of Patent: June 16, 1998Assignee: Union Carbide Chemicals & Plastics Technology CorporationInventors: Ernst Billig, David Robert Bryant
-
Patent number: 5763670Abstract: This invention relates to a hydroformylation process which comprises reacting one or more olefinic unsaturated compounds with carbon monoxide and hydrogen in the presence of a metal-organopolyphosphite ligand complex catalyst to produce a reaction product fluid comprising one or more aldehydes, wherein said hydroformylation process is conducted at a free organopolyphosphite ligand concentration sufficient to prevent and/or lessen hydrolytic degradation of the organopolyphosphite ligand and deactivation of the metal-organopolyphosphite ligand complex catalyst.Type: GrantFiled: November 26, 1996Date of Patent: June 9, 1998Assignee: Union Carbide Chemicals & Plastics Technology CorporationInventors: Ernst Billig, David Robert Bryant
-
Patent number: 5763680Abstract: This invention relates to a process for separating one or more phosphorus acidic compounds from a reaction product fluid containing said one or more phosphorus acidic compounds, a metal-organophosphite ligand complex catalyst and optionally free organophosphite ligand which process comprises (a) treating said reaction product fluid with water sufficient to remove at least some amount of said one or more phosphorus acidic compounds from said reaction product fluid and (b) treating the water which contains phosphorus acidic compounds removed from said reaction product fluid with an ion exchange resin sufficient to remove at least some amount of said one or more phosphorus acidic compounds from said water.Type: GrantFiled: November 26, 1996Date of Patent: June 9, 1998Assignee: Union Carbide Chemicals & Plastics Technology CorporationInventors: David Robert Bryant, James Clair Nicholson, Ernst Billig
-
Patent number: 5763677Abstract: This invention relates to a process for separating one or more phosphorus acidic compounds from a hydroformylation reaction product fluid containing said one or more phosphorus acidic compounds, a metal-organophosphite ligand complex catalyst and optionally free organophosphite ligand which process comprises (a) treating said hydroformylation reaction product fluid with water sufficient to remove at least some amount of said one or more phosphorus acidic compounds from said hydroformylation reaction product fluid and (b) treating the water which contains phosphorus acidic compounds removed from said hydroformylation reaction product fluid with an ion exchange resin sufficient to remove at least some amount of said one or more phosphorus acidic compounds from said water.Type: GrantFiled: November 26, 1996Date of Patent: June 9, 1998Assignee: Union Carbide Chemicals & Plastics Technology CorporationInventors: David Robert Bryant, James Clair Nicholson, Ernst Billig
-
Patent number: 5741944Abstract: This invention relates to a process for separating one or more phosphorus acidic compounds from a hydroformylation reaction product fluid containing said one or more phosphorus acidic compounds, a metal-organophosphite ligand complex catalyst and optionally free organophosphite ligand which process comprises treating said hydroformylation reaction product fluid with an aqueous buffer solution sufficient to neutralize and remove at least some amount of said one or more phosphorus acidic compounds from said hydroformylation reaction product fluid.Type: GrantFiled: November 26, 1996Date of Patent: April 21, 1998Assignee: Union Carbide Chemicals & Plastics Technology CorporationInventors: David Robert Bryant, Tak Wai Leung, Ernst Billig, Thomas Carl Eisenschmid, James Clair Nicholson
-
Patent number: 5741942Abstract: This invention relates to a process for separating one or more phosphorus acidic compounds from a reaction product fluid containing said one or more phosphorus acidic compounds, a metal-organophosphite ligand complex catalyst and optionally free organophosphite ligand which process comprises treating said reaction product fluid with an aqueous buffer solution sufficient to neutralize and remove at least some amount of said one or more phosphorus acidic compounds from said reaction product fluid.Type: GrantFiled: November 26, 1996Date of Patent: April 21, 1998Assignee: Union Carbide Chemicals & Plastics Technology CorporationInventors: David Robert Bryant, Tak Wai Leung, Ernst Billig, Thomas Carl Eisenschmid, James Clair Nicholson
-
Patent number: 5728893Abstract: This invention relates to a process for producing one or more products in a staged reactor having more than one reactive stage which process comprises reacting in said staged reactor one or more reactants with carbon monoxide in the presence of a metal-organophosphorus ligand complex catalyst and optionally free organophosphorus ligand to produce said one or more products, wherein said metal-organophosphorus ligand complex catalyst does not undergo substantial deactivation in the presence of solely carbon monoxide and/or effects a change in normal product selectivity of less than 0.2 percent of normal product per 1 pound per square inch of carbon monoxide partial pressure and/or effects a change in reaction rate of less than 2 percent per 1 pound per square inch of carbon monoxide partial pressure.Type: GrantFiled: November 26, 1996Date of Patent: March 17, 1998Assignee: Union Carbide Chemicals & Plastics Technology CorporationInventors: Michael Carl Becker, David Robert Bryant, Donald LeRoy Bunning, James Clair Nicholson, Ernst Billig
-
Patent number: 5364950Abstract: This invention provides a process for stabilizing a phosphite ligand against degradation in a homogeneous reaction mixture containing a Group VIII transition metal catalyst and the phosphite ligand, said process comprising adding to the reaction mixture an epoxide in an amount from 0.001 to 5 weight percent based on the total weight of the reaction mixture to reduce the degradation of the ligand.Type: GrantFiled: September 29, 1992Date of Patent: November 15, 1994Assignee: Union Carbide Chimicals & Plastics Technology CorporationInventors: James E. Babin, John M. Maher, Ernst Billig
-
Patent number: 5288918Abstract: An improved rhodium-organophosphite complex catalyzed hydroformylation process, the improvement comprising carrying out said process in the presence of a catalytic activity enhancing additive said additive being selected from the class consisting of added water, a weakly acidic compound, or both added water and a weakly acidic compound.Type: GrantFiled: September 29, 1992Date of Patent: February 22, 1994Assignee: Union Carbide Chemicals & Plastics Technology CorporationInventors: John M. Maher, James E. Babin, Ernst Billig, David R. Bryant, Tak W. Leung
-
Patent number: 4929767Abstract: A process for treating an organic solution of a partially deactivated solubilized rhodium-tertiary organophosphine complex hydroformylation catalyst with an organic reagent in order to improve the extractability of rhodium therefrom into an aqueous solution containing an ionic organophosphine ligand.Type: GrantFiled: October 6, 1988Date of Patent: May 29, 1990Assignee: Union Carbide Chemicals and Plastics Company Inc.Inventors: David J. Miller, David R. Bryant, Ernst Billig, Bernard L. Shaw
-
Patent number: 4885401Abstract: Transition metal-bis-phosphite catalyzed carbonylation processes, especially hydroformylation, as well as transition metal-bis-phosphite compositions, bis-phosphite ligands and transition metal-bis-phosphite catalysts.Type: GrantFiled: March 31, 1988Date of Patent: December 5, 1989Assignee: Union Carbide CorporationInventors: Ernst Billig, Anthony G. Abatjoglou, David R. Bryant
-
Patent number: 4861918Abstract: A process for improving the catalytic activity of a partially deactivated solubilized rhodium - tertiary organophosphine complex hydroformylation catalyst.Type: GrantFiled: August 12, 1988Date of Patent: August 29, 1989Assignee: Union Carbide CorporationInventors: David J. Miller, David R. Bryant, Ernst Billig, Bernard L. Shaw
-
Patent number: 4835299Abstract: A process for purifying tertiary organophosphites by removing secondary organophosphites therefrom.Type: GrantFiled: March 31, 1987Date of Patent: May 30, 1989Assignee: Union Carbide CorporationInventors: John M. Maher, Ernst Billig, David R. Bryant
-
Patent number: 4789753Abstract: Transition metal-diorganophosphite complex catalyzed carbonylation processes, especially hydroformylation, as well as transition metal-diorganophosphite ligand complex compositions, diorganophosphite ligands and transition metal-diorganophosphite catalysts.Type: GrantFiled: October 13, 1987Date of Patent: December 6, 1988Assignee: Union Carbide CorporationInventors: Ernst Billig, Anthony G. Abatjoglou, David R. Bryant, Rex E. Murray, John M. Maher
-
Patent number: 4769498Abstract: Transition metal-poly-phosphite complex catalyzed carbonylation processes, especially hydroformylation, as well as transition metal-poly-phosphite ligand complex compositions.Type: GrantFiled: February 9, 1987Date of Patent: September 6, 1988Assignee: Union Carbide CorporationInventors: Ernst Billig, Anthony G. Abatjoglou, David R. Bryant
-
Patent number: 4748261Abstract: Transition metal-bis-phosphite catalyzed carbonylation processes, especially hydroformylation, as well as transition metal-bis-phosphite compositions, bis-phosphite ligands and transition metal-bis-phosphite catalysts.Type: GrantFiled: September 5, 1985Date of Patent: May 31, 1988Assignee: Union Carbide CorporationInventors: Ernst Billig, Anthony G. Abatjoglou, David R. Bryant
-
Patent number: 4737588Abstract: Transition metal-diorganophosphite complex catalyzed carbonylation processes, especially hydroformylation, as well as transition metal-diorganophosphite ligand complex compositions, diorganophosphite ligands and transition metal-diorganophosphite catalysts.Type: GrantFiled: March 19, 1986Date of Patent: April 12, 1988Assignee: Union Carbide CorporationInventors: Ernst Billig, Anthony G. Abatjoglou, David R. Bryant, Rex E. Murray, John M. Maher