Patents by Inventor J. Todd Lanier
J. Todd Lanier 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: 9845368Abstract: A first embodiment which is a bimodal polymer having a weight fraction of a lower molecular weight (LMW) component ranging from about 0.25 to about 0.45, a weight fraction of a higher molecular weight (HMW) component ranging from about 0.55 to about 0.75 and a density of from about 0.931 g/cc to about 0.955 g/cc which when tested in accordance with ASTM D1003 using a 1 mil test specimen displays a haze characterized by equation: % Haze=2145?2216*FractionLMW?181*a molecular weight distribution of the LMW component (MWDLMW)?932*a molecular weight distribution of the HMW component (MWDHMW)+27*(FractionLMW*MWDLMW)+1019*(FractionLMW*MWDHMW)+73*(MWDLMW*MWDHMW) wherein fraction refers to the weight fraction of the component in the polymer as a whole.Type: GrantFiled: February 18, 2016Date of Patent: December 19, 2017Assignee: Chevron Phillips Chemical Company LPInventors: Guylaine St. Jean, Elizabeth M. Lanier, J. Todd Lanier, Qing Yang, Brooke A. Gill
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Publication number: 20160159950Abstract: A first embodiment which is a bimodal polymer having a weight fraction of a lower molecular weight (LMW) component ranging from about 0.25 to about 0.45, a weight fraction of a higher molecular weight (HMW) component ranging from about 0.55 to about 0.75 and a density of from about 0.931 g/cc to about 0.955 g/cc which when tested in accordance with ASTM D1003 using a 1 mil test specimen displays a haze characterized by equation: % Haze=2145=2145?2216*FractionLMW?181*a molecular weight distribution of the LMW component (MWDLMW)?932*a molecular weight distribution of the HMW component (MWDHMW)+27*(FractionLMW*MWDLMW)+1019*(FractionLMW*MWDHMW)+73*(MWDLMW*MWDHMW) wherein fraction refers to the weight fraction of the component in the polymer as a whole.Type: ApplicationFiled: February 18, 2016Publication date: June 9, 2016Inventors: Guylaine St. Jean, Elizabeth M. Lanier, J. Todd Lanier, Qing Yang, Brooke A. Gill
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Patent number: 9309338Abstract: A first embodiment which is a bimodal polymer having a weight fraction of a lower molecular weight (LMW) component ranging from about 0.25 to about 0.45, a weight fraction of a higher molecular weight (HMW) component ranging from about 0.55 to about 0.75 and a density of from about 0.931 g/cc to about 0.955 g/cc which when tested in accordance with ASTM D1003 using a 1 mil test specimen displays a haze characterized by equation: % Haze=2145?2216*FractionLMW?181*a molecular weight distribution of the LMW component (MWDLMW)?932*a molecular weight distribution of the HMW component(MWDHMW)+27*(FractionLMW*MWDLMW)+1019*(FractionLMW*MWDHMW)+73*(MWDLMW*MWDHMW) wherein fraction refers to the weight fraction of the component in the polymer as a whole.Type: GrantFiled: June 8, 2015Date of Patent: April 12, 2016Assignee: Chevron Phillips Chemical Company LPInventors: Guylaine St. Jean, Elizabeth M. Lanier, J. Todd Lanier, Qing Yang, Brooke A. Gill
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Publication number: 20160075803Abstract: A first embodiment which is a bimodal polymer having a weight fraction of a lower molecular weight (LMW) component ranging from about 0.25 to about 0.45, a weight fraction of a higher molecular weight (HMW) component ranging from about 0.55 to about 0.75 and a density of from about 0.931 g/cc to about 0.955 g/cc which when tested in accordance with ASTM D1003 using a 1 mil test specimen displays a haze characterized by equation: % Haze=2145?2216*FractionLMW?181*a molecular weight distribution of the LMW component (MWDLMW)?932*a molecular weight distribution of the HMW component (MWDHMW)+27*(FractionLMW*MWDLMW)+1019*(FractionLMW*MWDHMW)+73*(MWDLMW*MWDHMW) wherein fraction refers to the weight fraction of the component in the polymer as a whole.Type: ApplicationFiled: November 24, 2015Publication date: March 17, 2016Inventors: Guylaine St. Jean, Elizabeth M. Lanier, J. Todd Lanier, Qing Yang, Brooke A. Gill
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Patent number: 9284389Abstract: A bimodal polyethylene copolymer comprising a lower molecular weight (LMW) component and a higher molecular weight (HMW) component, the copolymer having a z-average molecular weight (Mz) of from about 1,000 kg/mol to about 2,500 kg/mol, a weight fraction of the LMW component (LMW fr.) of from about 0.60 to 0.85, a ratio of a weight average molecular weight (Mw) of the HMW component (HMW Mw) to a Mw of the LMW component (LMW Mw) of from about 14 to about 25, a zero shear viscosity (?0) of from about 5×105 Pa-s to about 1×107 Pa-s and a HMW Mw of from about 800 kg/mol to about 1,500 kg/mol.Type: GrantFiled: July 29, 2014Date of Patent: March 15, 2016Assignee: CHEVRON PHILLIPS CHEMICAL COMPANY LPInventors: Guylaine St. Jean, Qing Yang, J. Todd Lanier
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Publication number: 20160032027Abstract: A bimodal polyethylene copolymer comprising a lower molecular weight (LMW) component and a higher molecular weight (HMW) component, the copolymer having a z-average molecular weight (MZ) of from about 1,000 kg/mol to about 2,500 kg/mol, a weight fraction of the LMW component (LMW fr.) of from about 0.60 to 0.85, a ratio of a weight average molecular weight (MW) of the HMW component (HMW MW) to a MW of the LMW component (LMW MW) of from about 14 to about 25, a zero shear viscosity (?0) of from about 5×105 Pa-s to about 1×107 Pa-s and a HMW MW of from about 800 kg/mol to about 1,500 kg/mol.Type: ApplicationFiled: July 29, 2014Publication date: February 4, 2016Inventors: Guylaine St. Jean, Qing Yang, J. Todd Lanier
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Publication number: 20150337059Abstract: A first embodiment which is a bimodal polymer having a weight fraction of a lower molecular weight (LMW) component ranging from about 0.25 to about 0.45, a weight fraction of a higher molecular weight (HMW) component ranging from about 0.55 to about 0.75 and a density of from about 0.931 g/cc to about 0.955 g/cc which when tested in accordance with ASTM D1003 using a 1 mil test specimen displays a haze characterized by equation: % Haze=2145?2216*FractionLMW?181*a molecular weight distribution of the LMW component (MWDLMW)?932*a molecular weight distribution of the HMW component(MWDHMW)+27*(FractionLMW*MWDLMW)+1019*(FractionLMW*MWDHMW)+73*(MWDLMW*MWDHMW) wherein fraction refers to the weight fraction of the component in the polymer as a whole.Type: ApplicationFiled: June 8, 2015Publication date: November 26, 2015Inventors: Guylaine St. Jean, Elizabeth M. Lanier, J. Todd Lanier, Qing Yang, Brooke A. Gill
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Patent number: 9079993Abstract: A first embodiment which is a bimodal polymer having a weight fraction of a lower molecular weight (LMW) component ranging from about 0.25 to about 0.45, a weight fraction of a higher molecular weight (HMW) component ranging from about 0.55 to about 0.75 and a density of from about 0.931 g/cc to about 0.955 g/cc which when tested in accordance with ASTM D1003 using a 1 mil test specimen displays a haze characterized by equation: % Haze=2145?2216*FractionLMW?181*a molecular weight distribution of the LMW component (MWDLMW)?932*a molecular weight distribution of the HMW component (MWDHMW)+27*(FractionLMW*MWDLMW)+1019*(FractionLMW*MWDHMW)+73*(MWDLMW*MWDHMW) wherein fraction refers to the weight fraction of the component in the polymer as a whole.Type: GrantFiled: May 22, 2014Date of Patent: July 14, 2015Assignee: CHEVRON PHILLIPS CHEMICAL COMPANY LPInventors: Guylaine St. Jean, Elizabeth M. Lanier, J. Todd Lanier, Qing Yang, Brooke A. Gill
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Patent number: 7632907Abstract: A polyethylene film comprising a polymer composition having the characteristics of a total energy dart drop, measured in accordance with ASTM D4272, of greater than a bout 0.45 ft.lbf, a dart drop impact strength, measured in accordance with ASTM D1709 Method A, of greater than about 135 g, and a moisture vapor transmission rate, measured in accordance with ASTM F1249 at 100° F. and 90% relative. humidity, of less than about 0.85 g-mil/100 square inch/24 hr, wherein said ASTM tests are performed on a test specimen having a 0.8 mil thickness.Type: GrantFiled: June 28, 2006Date of Patent: December 15, 2009Assignee: Chevron Phillips Chemical Company LPInventors: Ashish M. Sukhadia, Joel L. Martin, Qing Yang, Kumudini C. Jayaratne, J. Todd Lanier
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Patent number: 7625982Abstract: A multimodal polyethylene composition having at least two polyethylene components, wherein each component has a molecular weight distribution of equal to or less than about 5, one component has a higher molecular weight than the other component, and the higher molecular weight component has an “a” parameter value of equal to or greater than about 0.35 when fitted to the Carreau-Yasuda equation with n=0.Type: GrantFiled: November 2, 2005Date of Patent: December 1, 2009Assignee: Chevron Phillips Chemical Company LPInventors: Joel L. Martin, Kumudini Jayarante, Matthew G. Thorn, J. Todd Lanier, Max P. McDaniel, Qing Yang, Michael D. Jensen, Paul J. DesLauriers, Rajendra K. Krishnaswamy
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Publication number: 20080004411Abstract: A polyethylene film comprising a polymer composition having the characteristics of a total energy dart drop, measured in accordance with ASTM D4272, of greater than a bout 0.45 ft.lbf, a dart drop impact strength, measured in accordance with ASTM D1709 Method A, of greater than about 135 g, and a moisture vapor transmission rate, measured in accordance with ASTM F1249 at 100° F. and 90% relative. humnidity, of less tha about 0.85 g-mil/100 square inch/24 hr, wherein said ASTM tests are performed on a test specimen having a 0.8 mil thickness.Type: ApplicationFiled: June 28, 2006Publication date: January 3, 2008Applicant: Chevron Phillips Chemical Company LPInventors: Ashish M. Sukhadia, Joel L. Martin, Qing Yang, Kumudini C. Jayaratne, J. Todd Lanier