Patents by Inventor John H. Oskam
John H. Oskam 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: 9637567Abstract: Spray-dried catalyst compositions comprising a transition metal complex and polymerization processes employing the same are disclosed herein. An embodiment provides a spray-dried catalyst composition comprising a transition metal catalyst component represented by the following formula: (I) and polymerization process employing the same.Type: GrantFiled: March 28, 2012Date of Patent: May 2, 2017Assignee: Univation Technologies, LLCInventors: Wesley R. Mariott, Phuong A. Cao, Daniel P. Zilker, Jr., John H. Oskam, Cliff R. Mure
-
Publication number: 20150133615Abstract: Spray-dried catalyst compositions comprising a transition metal complex and polymerization processes employing the same are disclosed herein. An embodiment provides a spray-dried catalyst composition comprising a transition metal catalyst component represented by the following formula: (I) and polymerization process employing the same.Type: ApplicationFiled: March 28, 2012Publication date: May 14, 2015Applicant: UNIVATION TECHNOLOGIES, LLCInventors: Wesley R. Mariott, Phuong A. Cao, Daniel P. Zilker, JR., John H. Oskam, Cliff R. Mure
-
Patent number: 8318872Abstract: A method of performing a polymerization reaction in a gas phase polymerization reactor to produce a bimodal polymer while controlling activity of a bimodal polymerization catalyst composition in the reactor by controlling concentration of at least one induced condensing agent (‘ICA’) in the reactor is provided. In some embodiments, the ICA is isopentane (or another hydrocarbon compound) and the bimodal catalyst composition includes a Group 15 and metal containing catalyst compound (or other HMW catalyst for catalyzing polymerization of a high molecular weight fraction of the product), and a metallocene catalyst compound (or other LMW catalyst for catalyzing polymerization of a low molecular weight fraction of the product).Type: GrantFiled: December 17, 2008Date of Patent: November 27, 2012Assignee: Univation Technologies, LLCInventors: Bruce J. Savatsky, John H. Oskam, Mark W. Blood, Mark B. Davis, Douglas H. Jackson, Timothy R. Lynn, Daniel P. Zilker, Jr.
-
Publication number: 20110275772Abstract: A method of performing a polymerization reaction in a gas phase polymerization reactor to produce a bimodal polymer while controlling activity of a bimodal polymerization catalyst composition in the reactor by controlling concentration of at least one induced condensing agent (‘ICA’) in the reactor is provided. In some embodiments, the ICA is isopentane (or another hydrocarbon compound) and the bimodal catalyst composition includes a Group 15 and metal containing catalyst compound (or other HMW catalyst for catalyzing polymerization of a high molecular weight fraction of the product), and a metallocene catalyst compound (or other LMW catalyst for catalyzing polymerization of a low molecular weight fraction of the product).Type: ApplicationFiled: December 17, 2008Publication date: November 10, 2011Applicant: UNIVATION TECHNOLOGIES, LLCInventors: Bruce J. Savatsky, John H. Oskam, Mark W. Blood, Mark B. Davis, Douglas H. Jackson, Timothy R. Lynn, Daniel P. Zilker, JR.
-
Patent number: 7989562Abstract: A system and method for olefin polymerization is provided. The method includes polymerizing one or more olefins within a reactor having one or more injection tubes in fluid communication therewith, at least one of the one or more injection tubes having two or more concentric flow paths; flowing a catalyst through a first flow concentric path of the injection tube into the reactor; flowing one or more monomers through a second concentric flow path of the injection tube into the reactor; measuring rate of heat removal within the reactor; and adjusting the one or more monomers flow through the injection tube in response to the rate of heat removal in the reactor.Type: GrantFiled: September 26, 2007Date of Patent: August 2, 2011Assignee: Univation Technologies, LLCInventors: Kersten A Terry, Mark W. Blood, John H. Oskam, Timothy R. Lynn, Bruce J. Savatsky, Mark B. Davis
-
Patent number: 7973112Abstract: A method for preparing a spray dried catalyst and a low viscosity, low foam spray dried catalyst system for olefin polymerization are provided. In one aspect, the method includes preparing a catalyst system including one or more components selected from metallocenes, non-metallocenes, and activators, adding mineral oil to the catalyst system to form a slurry, and adding one or more liquid alkanes having three or more carbon atoms to the slurry in an amount sufficient to reduce foaming and viscosity of the slurry. In one aspect, the catalyst system includes one or more catalysts selected from metallocenes, non-metallocenes, and a combination thereof, wherein the catalyst system is spray dried. The system further includes mineral oil to form a slurry including a catalyst system, and one or more liquid alkanes having three or more carbon atoms in an amount sufficient to reduce foaming and viscosity of the slurry.Type: GrantFiled: June 25, 2009Date of Patent: July 5, 2011Assignee: Univation Technologies, LLCInventors: Natarajan Muruganandam, Kersten A. Terry, Michael D. Awe, John H. Oskam
-
Publication number: 20110040048Abstract: A system and method for olefin polymerization is provided. The method includes polymerizing one or more olefins within a reactor having one or more injection tubes in fluid communication therewith, at least one of the one or more injection tubes having two or more concentric flow paths; flowing a catalyst through a first flow concentric path of the injection tube into the reactor; flowing one or more monomers through a second concentric flow path of the injection tube into the reactor; measuring rate of heat removal within the reactor; and adjusting the one or more monomers flow through the injection tube in response to the rate of heat removal in the reactor.Type: ApplicationFiled: September 26, 2007Publication date: February 17, 2011Inventors: Kersten A. Terry, Mark W. Blood, John H. Oskam, Timothy R. Lynn, Bruce J. Savatsky, Mark B. Davis
-
Publication number: 20100041841Abstract: A nozzle for catalyst injection for olefin polymerization is provided. In one or more embodiments the nozzle includes a first conduit including a body, a tapered section, and an injection tip. The nozzle also includes a second conduit having an inner surface and an outer surface. The first conduit is disposed about the second conduit defining a first annulus therebetween. The nozzle further includes a support member at least partially disposed about the outer surface of the first conduit defining a second annulus therebetween. The support member has a converging outer surface at a first end thereof.Type: ApplicationFiled: September 26, 2007Publication date: February 18, 2010Applicant: Univation Tecchnologies, LLCInventors: Kersten A. Terry, Mark W. Blood, John H. Oskam, Timothy R. Lynn, Bruce J. Savatsky, Mark B. Davis, Daniel P. Zilker, JR., Charles W. Lipp
-
Publication number: 20100010179Abstract: A method for preparing a spray dried catalyst and a low viscosity, low foam spray dried catalyst system for olefin polymerization are provided. In one aspect, the method includes preparing a catalyst system including one or more components selected from metallocenes, non-metallocenes, and activators, adding mineral oil to the catalyst system to form a slurry, and adding one or more liquid alkanes having three or more carbon atoms to the slurry in an amount sufficient to reduce foaming and viscosity of the slurry. In one aspect, the catalyst system includes one or more catalysts selected from metallocenes, non-metallocenes, and a combination thereof, wherein the catalyst system is spray dried. The system further includes mineral oil to form a slurry including a catalyst system, and one or more liquid alkanes having three or more carbon atoms in an amount sufficient to reduce foaming and viscosity of the slurry.Type: ApplicationFiled: June 25, 2009Publication date: January 14, 2010Applicant: Univation Technologies, LLCInventors: Natarajan Muruganandam, Kersten A. Terry, Michael D. Awe, John H. Oskam
-
Patent number: 7566677Abstract: A method for preparing a spray dried catalyst and a low viscosity, low foam spray dried catalyst system for olefin polymerization are provided. In one aspect, the method includes preparing a catalyst system including one or more components selected from metallocenes, non-metallocenes, and activators, adding mineral oil to the catalyst system to form a slurry, and adding one or more liquid alkanes having three or more carbon atoms to the slurry in an amount sufficient to reduce foaming and viscosity of the slurry. In one aspect, the catalyst system includes one or more catalysts selected from metallocenes, non-metallocenes, and a combination thereof, wherein the catalyst system is spray dried. The system further includes mineral oil to form a slurry including a catalyst system, and one or more liquid alkanes having three or more carbon atoms in an amount sufficient to reduce foaming and viscosity of the slurry.Type: GrantFiled: April 10, 2007Date of Patent: July 28, 2009Assignee: Univation Technologies, LLCInventors: Natarajan Muruganandam, Kersten Anne Terry, Michael D. Awe, John H. Oskam
-
Patent number: 7276566Abstract: A method for preparing a spray dried catalyst and a low viscosity, low foam spray dried catalyst system for olefin polymerization are provided. In one aspect, the method includes preparing a catalyst system including one or more components selected from metallocenes, non-metallocenes, and activators, adding mineral oil to the catalyst system to form a slurry, and adding one or more liquid alkanes having three or more carbon atoms to the slurry in an amount sufficient to reduce foaming and viscosity of the slurry. In one aspect, the catalyst system includes one or more catalysts selected from metallocenes, non-metallocenes, and a combination thereof, wherein the catalyst system is spray dried. The system further includes mineral oil to form a slurry including a catalyst system, and one or more liquid alkanes having three or more carbon atoms in an amount sufficient to reduce foaming and viscosity of the slurry.Type: GrantFiled: January 20, 2006Date of Patent: October 2, 2007Assignee: Univation Technologies, LLCInventors: Natarajan Muruganandam, Kersten Anne Terry, Michael D. Awe, John H. Oskam
-
Patent number: 6656868Abstract: This invention relates to a catalyst composition suitable for a polymerization process comprising, in one embodiment, a particulate filler, mineral oil and at least one metal catalyst compound. In another embodiment, the particular filler is fumed.Type: GrantFiled: May 29, 2001Date of Patent: December 2, 2003Assignee: Univation Technologies, LLCInventors: John H. Oskam, Timothy R. Lynn, Vincent P. Morrison
-
Publication number: 20030216248Abstract: This invention relates to a composition of matter comprising the catalyst compound comprising a transition metal complexed with a facially coordinating tridentate bisamide ligand. The invention is also directed to a catalyst system or a supported catalyst system comprising this compound and an activator and to a process for using the catalyst system or supported catalyst system in a process for polymerizing olefin(s).Type: ApplicationFiled: April 14, 2003Publication date: November 20, 2003Inventor: John H. Oskam
-
Patent number: 6593438Abstract: This invention relates to a composition of matter comprising the catalyst compound comprising a transition metal complexed with a facially coordinating tridentate bisamide ligand. The invention is also directed to a catalyst system or a supported catalyst system comprising this compound and an activator and to a process for using the catalyst system or supported catalyst system in a process for polymerizing olefin(s).Type: GrantFiled: December 4, 2000Date of Patent: July 15, 2003Assignee: Univation Technologies, LLCInventor: John H. Oskam
-
Publication number: 20020103071Abstract: This invention relates to a composition of matter comprising the catalyst compound comprising a transition metal complexed with a facially coordinating tridentate bisamide ligand. The invention is also directed to a catalyst system or a supported catalyst system comprising this compound and an activator and to a process for using the catalyst system or supported catalyst system in a process for polymerizing olefin(s).Type: ApplicationFiled: December 4, 2000Publication date: August 1, 2002Inventor: John H. Oskam
-
Publication number: 20010034423Abstract: This invention relates to a polymerization process comprising combining an olefin in the gas or slurry phase with a spray dried catalyst comprising an activator, a particulate filler and a metal catalyst compound.Type: ApplicationFiled: May 29, 2001Publication date: October 25, 2001Inventors: John H. Oskam, Timothy R. Lynn, Vincent P. Morrison
-
Patent number: 6281306Abstract: This invention relates to a polymerization process comprising combining an olefin in the gas or slurry phase with a spray dried catalyst comprising an activator, a particulate filler and a metal catalyst compound.Type: GrantFiled: December 16, 1999Date of Patent: August 28, 2001Assignee: Univation Technologies, LLCInventors: John H. Oskam, Timothy R. Lynn, Vincent P. Morrison