Patents by Inventor Nilesh R. Savargaonkar
Nilesh R. Savargaonkar 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: 10851190Abstract: Mono- and multi-layer films comprising a polyethylene composition which comprises the reaction product of ethylene and optionally one or more alpha olefin comonomers in the presence of a catalyst composition comprising a multi-metallic procatalyst via a solution polymerization process in at least one reactor; wherein said polyethylene composition is characterized by one or more of the following properties: a melt index, I2, measured according to ASTM D 1238 (2.16 kg @ 190° C.), from 0.1 to 5 g/10 min; density, measured according to ASTM D-792, from 0.910 to 0.935 g/cc; melt flow ratio, I10/I2, wherein I10 is measured according to ASTM D1238 (10 kg @ 190° C.), from 6 to 7.4; and molecular weight distribution, (Mw/Mn) from 2.5 to 3.5 are provided. Also provided are articles made from the mono- and/or multi-layer films.Type: GrantFiled: May 13, 2019Date of Patent: December 1, 2020Assignee: Dow Global Technologies LLCInventors: Mehmet Demirors, Teresa P. Karjala, Nilesh R. Savargaonkar, Rajen M. Patel, Sylvie Desjardins
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Patent number: 10703869Abstract: The instant invention provides a polyethylene blend-composition suitable for blown films, and films made therefrom. The polyethylene blend-composition suitable for blown films comprises the melt blending product of: (a) from 0.5 to 4 percent by weight of a low density polyethylene having a density in the range of from 0.915 to 0.935 g/cm3, and a melt index (I2) in the range of from greater than 0.8 to less than or equal to 5 g/10 minutes, and a molecular weight distribution (Mw/Mn) in the range of from 6 to 10; (b) 90 percent or greater by weight of an ethylene/?-olefin interpolymer composition, wherein ethylene/?-olefin interpolymer composition has a Comonomer Distribution Constant (CDC) in the range of from 75 to 200, a vinyl unsaturation of less than 0.1 vinyls per one thousand carbon atoms present in the backbone of the ethylene/?-olefin interpolymer composition; a zero shear viscosity ratio (ZSVR) in the range from 2 to 20; a density in the range of from 0.903 to 0.Type: GrantFiled: May 22, 2013Date of Patent: July 7, 2020Assignee: Dow Global Technologies LLCInventors: Jian Wang, Nilesh R. Savargaonkar, Mehmet Demirors, John W. Garnett, IV
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Publication number: 20190263952Abstract: Mono- and multi-layer films comprising a polyethylene composition which comprises the reaction product of ethylene and optionally one or more alpha olefin comonomers in the presence of a catalyst composition comprising a multi-metallic procatalyst via a solution polymerization process in at least one reactor; wherein said polyethylene composition is characterized by one or more of the following properties: a melt index, I2, measured according to ASTM D 1238 (2.16 kg @ 190° C.), from 0.1 to 5 g/10 min; density, measured according to ASTM D-792, from 0.910 to 0.935 g/cc; melt flow ratio, I10/I2, wherein I10 is measured according to ASTM D1238 (10 kg @ 190° C.), from 6 to 7.4; and molecular weight distribution, (Mw/Mn) from 2.5 to 3.5 are provided. Also provided are articles made from the mono- and/or multi-layer films.Type: ApplicationFiled: May 13, 2019Publication date: August 29, 2019Inventors: Mehmet Demirors, Teresa P. Karjala, Nilesh R. Savargaonkar, Rajen M. Patel, Sylvie Desjardins
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Patent number: 10308741Abstract: Mono- and multi-layer films comprising a polyethylene composition which comprises the reaction product of ethylene and optionally one or more alpha olefin comonomers in the presence of a catalyst composition comprising a multi-metallic procatalyst via a solution polymerization process in at least one reactor; wherein said polyethylene composition is characterized by one or more of the following properties: a melt index, I2, measured according to ASTM D 1238 (2.16 kg@190° C.), from 0.1 to 5 g/10 min; density, measured according to ASTM D-792, from 0.910 to 0.935 g/cc; melt flow ratio, I10/I2, wherein I10 is measured according to ASTM D1238 (10 kg@190° C.), from 6 to 7.4; and molecular weight distribution, (Mw/Mn) from 2.5 to 3.5 are provided. Also provided are articles made from the mono- and/or multi-layer films.Type: GrantFiled: February 7, 2014Date of Patent: June 4, 2019Assignee: DOW GLOBAL TECHNOLOGIES LLCInventors: Mehmet Demirors, Teresa P. Karjala, Nilesh R. Savargaonkar, Rajen M. Patel, Sylvie Desjardins
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Patent number: 9926441Abstract: The instant invention provides a polyethylene blend-composition suitable for blown films, and films made therefrom. The polyethylene blend-composition suitable for blown films according to the present invention comprises the melt blending product of: (a) from 0.5 to 4 percent by weight of a low density polyethylene having a density in the range of from 0.915 to 0.935 g/cm3, and a melt index (I2) in the range of from greater than 0.8 to less than or equal to 5 g/10 minutes, and a molecular weight distribution (Mw/Mn) in the range of from 6 to 10; (b) 90 percent or greater by weight of a linear low density polyethylene composition has a density in the range of 0.900 to 0.935 g/cm3, a molecular weight distribution (Mw/Mn) in the range of 1.5 to 4.5, a melt index (I2) in the range of 0.1 to 5 g/10 minutes, a molecular weight distribution (Mz/Mw) in the range of less than 3, vinyl unsaturation of less than 0.Type: GrantFiled: May 22, 2013Date of Patent: March 27, 2018Assignee: Dow Global Technologies LLCInventors: Jian Wang, Nilesh R. Savargaonkar, Mehmet Demirors, John W. Garnett, IV
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Patent number: 9908956Abstract: An ethylene/?-olefin copolymer comprising units derived from ethylene; and units derived from at least one ?-olefin; wherein the ethylene/?-olefin copolymer has a density in the range of from 0.90 to 0.94 g/cc; a melt index (I2) in the range of from 0.05 to 50 dg/min; an Mw/Mn of from 3 to 5; and from 300 to 500 vinyl unsaturations per 1,000,000 carbon atoms in the ethylene/?-olefin copolymer is provided. Also provided is a process for producing an ethylene/?-olefin copolymer comprising: (1) polymerizing ethylene and one or more ?-olefins in a polymerization reactor; (2) thereby producing an enhanced melt strength ethylene/?-olefin copolymer having from 300 to 500 vinyl unsaturation units per 1,000,000 carbon atoms, a density in the range of from 0.90 to 0.94 g/cc; a melt index (I2) in the range of from 0.05 to 50 dg/min; and a Mw/Mn of from 3 to 5.Type: GrantFiled: July 21, 2016Date of Patent: March 6, 2018Assignee: Dow Global Technologies LLCInventors: Lawrence J. Effler, Teresa P. Karjala, Mehmet Demirors, Nilesh R. Savargaonkar, Selim Bensason, Zhe Zhou
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Publication number: 20170326856Abstract: A container blow molded from a multilayer structure which comprises an inner product facing layer which comprises an ethylene-based polymer having a density equal to or less than 0.940 g/cc, a crystallinity of equal to or less than 62%, and Mz/Mn ratio equal to or less than 100, wherein the inner product facing layer has a small scale root mean square roughness of equal to or less than 40 nm and/or a large scale root mean square roughness of equal to or less than 500 nm is provided.Type: ApplicationFiled: July 29, 2015Publication date: November 16, 2017Applicant: Dow Global Technologies LLCInventors: Vivek Kalihari, Jill M. Martin, Hyunwoo Kim, Meaghan M. Woodward, Nilesh R. Savargaonkar, Michael D. Read, Cristina Serrat, Ayush A. Bafna
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Publication number: 20170008985Abstract: A polyethylene composition comprising the reaction product of ethylene and optionally one or more alpha-olefin comonomers in the presence of a catalyst composition comprising a multi-metallic procatalyst via solution polymerization; wherein said polyethylene composition is characterized by one or more of the following properties: a melt index, I2, measured according to ASTM D 1238 (2.16 kg @190° C.), of from 0.9 to 5 g/10 min; density (measured according to ASTM D792) from 0.910 to 0.935 g/cc; a melt flow ratio, I10/I2, wherein I10 is measured according to ASTM D1238 (10 kg @ 190° C.), of from 6 to 7.4; and molecular weight distribution (Mw/Mn) of from 2.5 to 3.5 is provided.Type: ApplicationFiled: February 9, 2015Publication date: January 12, 2017Inventors: Mehmet Demirors, Teresa P. Karjala, Carlos G. Alfonzo, Nilesh R. Savargaonkar, Rajen M. Patel, Sylvie Desjardins
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Publication number: 20160326283Abstract: An ethylene/?-olefin copolymer comprising units derived from ethylene; and units derived from at least one ?-olefin; wherein the ethylene/?-olefin copolymer has a density in the range of from 0.90 to 0.94 g/cc; a melt index (I2) in the range of from 0.05 to 50 dg/min; an Mw/Mn of from 3 to 5; and from 300 to 500 vinyl unsaturations per 1,000,000 carbon atoms in the ethylene/?-olefin copolymer is provided. Also provided is a process for producing an ethylene/?-olefin copolymer comprising: (1) polymerizing ethylene and one or more ?-olefins in a polymerization reactor; (2) thereby producing an enhanced melt strength ethylene/?-olefin copolymer having from 300 to 500 vinyl unsaturation units per 1,000,000 carbon atoms, a density in the range of from 0.90 to 0.94 g/cc; a melt index (I2) in the range of from 0.05 to 50 dg/min; and a Mw/Mn of from 3 to 5.Type: ApplicationFiled: July 21, 2016Publication date: November 10, 2016Inventors: Lawrence J. Effler, Teresa P. Karjala, Mehmet Demirors, Nilesh R. Savargaonkar, Selim Bensason, Zhe Zhou
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Patent number: 9428636Abstract: An ethylene/?-olefin copolymer comprising units derived from ethylene; and units derived from at least one ?-olefin; wherein the ethylene/?-olefin copolymer has a density in the range of from 0.90 to 0.94 g/cc; a melt index (I2) in the range of from 0.05 to 50 dg/min; an Mw/Mn of from 3 to 5; and from 300 to 500 vinyl unsaturations per 1,000,000 carbon atoms in the ethylene/?-olefin copolymer is provided. Also provided is a process for producing an ethylene/?-olefin copolymer comprising: (1) polymerizing ethylene and one or more ?-olefins in a polymerization reactor; (2) thereby producing an enhanced melt strength ethylene/?-olefin copolymer having from 300 to 500 vinyl unsaturation units per 1,000,000 carbon atoms, a density in the range of from 0.90 to 0.94 g/cc; a melt index (I2) in the range of from 0.05 to 50 dg/min; and a Mw/Mn of from 3 to 5.Type: GrantFiled: March 1, 2012Date of Patent: August 30, 2016Assignee: Dow Global Technologies LLCInventors: Lawrence J. Effler, Teresa P. Karjala, Mehmet Demirors, Nilesh R. Savargaonkar, Selim Bensason, Zhe Zhou
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Patent number: 9371441Abstract: The instant invention provides a polyethylene blend-composition suitable for blown films, and films made therefrom. The polyethylene blend-composition suitable for blown films according to the present invention comprises the melt blending product of: (a) from 0.5 to 6 percent by weight of a bimodal linear low density polyethylene having a density in the range of from 0.935 to 0.970 g/cm3, and a melt index (I2) in the range of from 0.3 to 5 g/10 minutes; (b) 90 percent or greater by weight of a monomodal linear low density polyethylene having a density in the range of from 0.910 to 0.950 g/cm3, and a melt index (I2) in the range of from 0.1 to less than or equal to 5 g/10 minutes; (c) optionally from 0.5 to 4 percent by weight of a low density polyethylene having a density in the range of from 0.915 to 0.935 g/cm3, and a melt index (I2) in the range of from greater than 0.Type: GrantFiled: May 22, 2013Date of Patent: June 21, 2016Assignee: Dow Global Technologies LLCInventors: Jian Wang, Nilesh R. Savargaonkar, Mehmet Demirors, John W. Garnett, IV, Ayush A. Bafna
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Patent number: 9284440Abstract: The instant invention provides a polyethylene blend composition suitable for blown film, method of producing the same, and films made therefrom. The polyethylene blend composition suitable for blown film according to the present invention comprises the melt blending product of: (a) less than or equal to 4 percent by weight of a low density polyethylene (LDPE) having a density in the range of from 0.915 to 0.935 g/cm3, and a melt index (I2) in the range of from greater than 0.8 to less than or equal to 5 g/10 minutes, and a molecular weight distribution (Mw/Mn) in the range of from 6 to 10; (b) 90 percent or greater by weight of a heterogenous linear low density polyethylene (hLLDPE) having a density in the range of from 0.917 to 0.950 g/cm3, and a melt index (I2) in the range of from 0.1 to less than or equal to 5 g/10 minutes; (c) optionally a hydrotalcite based neutralizing agent; (d) optionally one or more nucleating agents; and (e) optionally one or more antioxidants.Type: GrantFiled: July 2, 2012Date of Patent: March 15, 2016Assignee: Dow Global Technologies LLCInventors: Lawrence J. Effler, Jr., Nilesh R. Savargaonkar, Mehmet Demirors, Selim Bensason, Teresa P. Karjala, Gregory Bunker, Cristina Serrat, Jian Wang
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Patent number: 9243087Abstract: An ethylene-based polymer characterized as having a density from about 0.9 to about 0.94 grams per cubic centimeter, a molecular weight distribution (Mw/Mn) from about 8 to about 30, a melt index (I2) from about 0.1 to about 50 grams per 10 minutes, a gpcBR value greater than 1.4 as determined by a gpcBR Branching Index and a Y value less than about 2 is disclosed. This ethylene-based polymer is especially useful for blending with other polymers such as LLDPE. When converting the blends into film, especially blown film, bubble stability and output is increased.Type: GrantFiled: June 11, 2009Date of Patent: January 26, 2016Assignee: Dow Global Technologies LLCInventors: Teresa P. Karjala, Nilesh R. Savargaonkar, Jose Ortega, Brad A. Cobler, Lori L. Kardos, Wallace W. Yau
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Publication number: 20150299440Abstract: The instant invention provides a polyethylene blend-composition suitable for blown films, and films made therefrom. The polyethylene blend-composition suitable for blown films according to the present invention comprises the melt blending product of: (a) from 0.5 to 4 percent by weight of a low density polyethylene having a density in the range of from 0.915 to 0.935 g/cm3, and a melt index (I2) in the range of from greater than 0.8 to less than or equal to 5 g/10 minutes, and a molecular weight distribution (Mw/Mn) in the range of from 6 to 10; (b) 90 percent or greater by weight of a linear low density polyethylene composition has a density in the range of 0.900 to 0.935 g/cm3, a molecular weight distribution (Mw/Mn) in the range of 1.5 to 4.5, a melt index (I2) in the range of 0.1 to 5 g/10 minutes, a molecular weight distribution (Mz/Mw) in the range of less than 3, vinyl unsaturation of less than 0.Type: ApplicationFiled: May 22, 2013Publication date: October 22, 2015Inventors: Jian Wang, Nilesh R. Savargaonkar, Mehmet Demirors, John W. Garnett, IV
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Publication number: 20150291783Abstract: The instant invention provides a polyethylene blend-composition suitable for blown films, and films made therefrom. The polyethylene blend-composition suitable for blown films according to the present invention comprises the melt blending product of: (a) from 0.5 to 6 percent by weight of a bimodal linear low density polyethylene having a density in the range of from 0.935 to 0.970 g/cm3, and a melt index (I2) in the range of from 0.3 to 5 g/10 minutes; (b) 90 percent or greater by weight of a monomodal linear low density polyethylene having a density in the range of from 0.910 to 0.950 g/cm3, and a melt index (I2) in the range of from 0.1 to less than or equal to 5 g/10 minutes; (c) optionally from 0.5 to 4 percent by weight of a low density polyethylene having a density in the range of from 0.915 to 0.935 g/cm3, and a melt index (I2) in the range of from greater than 0.Type: ApplicationFiled: May 22, 2013Publication date: October 15, 2015Applicant: Dow Global Technologies LLCInventors: Jian Wang, Nilesh R. Savargaonkar, Mehmet Demirors, John W. Garnett, IV, Ayush A. Bafna
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Publication number: 20150132514Abstract: The instant invention provides a polyethylene blend-composition suitable for blown films, and films made therefrom. The polyethylene blend-composition suitable for blown films comprises the melt blending product of: (a) from 0.5 to 4 percent by weight of a low density polyethylene having a density in the range of from 0.915 to 0.935 g/cm3, and a melt index (I2) in the range of from greater than 0.8 to less than or equal to 5 g/10 minutes, and a molecular weight distribution (Mw/Mn) in the range of from 6 to 10; (b) 90 percent or greater by weight of an ethylene/?-olefin interpolymer composition, wherein ethylene/?-olefin interpolymer composition has a Comonomer Distribution Constant (CDC) in the range of from 75 to 200, a vinyl unsaturation of less than 0.1 vinyls per one thousand carbon atoms present in the backbone of the ethylene/?-olefin interpolymer composition; a zero shear viscosity ratio (ZSVR) in the range from 2 to 20; a density in the range of from 0.903 to 0.Type: ApplicationFiled: May 22, 2013Publication date: May 14, 2015Applicant: DOW GLOBAL TECHNOLOGIES LLCInventors: Jian Wang, Nilesh R. Savargaonkar, Mehmet Demirors, John W. Garnett, IV
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Publication number: 20150108127Abstract: The instant invention provides a polyethylene blend-composition suitable for blown films, and films made therefrom. The polyethylene blend-composition suitable for blown films comprises the melt blending product of: (a) from 0.5 to 5 percent by weight of a high density polyethylene having a density in the range of from 0.950 to 0.970 g/cm3, and a melt flow rate (I2) in the range of from less than 0.5 g/10 minutes, and a molecular weight distribution (Mw/Mn) in the range of from 10 to 40, and Mz in the range of from 800,000 to 5,000,000 g/mol; (b) 90 percent or greater by weight of a linear low density polyethylene having a density in the range of from 0.910 to 0.950 g/cm3, and a melt index (I2) in the range of from 0.1 to less than or equal to 5 g/10 minutes; (c) optionally a hydrotalcite based neutralizing agent; (d) optionally one or more nucleating agents; (e) and optionally one or more anti-oxidants.Type: ApplicationFiled: May 22, 2013Publication date: April 23, 2015Inventors: Jian Wang, Nilesh R. Savargaonkar, Mehmet Demirors
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Publication number: 20140178614Abstract: Mono- and multi-layer films comprising a polyethylene composition which comprises the reaction product of ethylene and optionally one or more alpha olefin comonomers in the presence of a catalyst composition comprising a multi-metallic procatalyst via a solution polymerization process in at least one reactor; wherein said polyethylene composition is characterized by one or more of the following properties: a melt index, I2, measured according to ASTM D 1238 (2.16 kg@190° C.), from 0.1 to 5 g/10 min; density, measured according to ASTM D-792, from 0.910 to 0.935 g/cc; melt flow ratio, I10/I2, wherein I10 is measured according to ASTM D1238 (10 kg@190° C.), from 6 to 7.4; and molecular weight distribution, (Mw/Mn) from 2.5 to 3.5 are provided. Also provided are articles made from the mono- and/or multi-layer films.Type: ApplicationFiled: February 7, 2014Publication date: June 26, 2014Applicant: Dow Global Technologies LLCInventors: Mehmet Demirors, Teresa P. Karjala, Nilesh R. Savargaonkar, Rajen M. Patel, Sylvie Desjardins
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Publication number: 20140134364Abstract: The instant invention provides a polyethylene blend composition suitable for blown film, method of producing the same, and films made therefrom. The polyethylene blend composition suitable for blown film, according to the present invention, comprises the melt blending product of: (a) from 5 percent or less by weight of a first low density polyethylene (first LDPE) having a density in the range of from 0.915 to 0.935 g/cm3, and a melt index (I2) in the range of from greater than 0.8 to less than or equal to 5 g/10 minutes, and a molecular weight distribution (Mw/Mn) in the range of from 6 to 10; (b) from 5 to 50 percent by weight of a second low density polyethylene (second LDPE) having a density in the range of from 0.915 to 0.935 g/cm3, and a melt index (I2) in the range of from 0.Type: ApplicationFiled: July 2, 2012Publication date: May 15, 2014Applicants: DCOMCO, INC., Dow Global Technologies LLC, The Dow Chemical CompanyInventors: Lawrence J. Effler, Nilesh R. Savargaonkar, Teresa P. Karjala, Cristina Serrat, Jian Wang
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Publication number: 20140113090Abstract: The instant invention provides a polyethylene blend composition suitable for blown film, method of producing the same, and films made therefrom. The polyethylene blend composition suitable for blown film according to the present invention comprises the melt blending product of: (a) less than or equal to 4 percent by weight of a low density polyethylene (LDPE) having a density in the range of from 0.915 to 0.935 g/cm3, and a melt index (I2) in the range of from greater than 0.8 to less than or equal to 5 g/10 minutes, and a molecular weight distribution (Mw/Mn) in the range of from 6 to 10; (b) 90 percent or greater by weight of a heterogenous linear low density polyethylene (hLLDPE) having a density in the range of from 0.917 to 0.950 g/cm3, and a melt index (I2) in the range of from 0.1 to less than or equal to 5 g/10 minutes; (c) optionally a hydrotalcite based neutralizing agent; (d) optionally one or more nucleating agents; and (e) optionally one or more antioxidants.Type: ApplicationFiled: July 2, 2012Publication date: April 24, 2014Applicant: Dow Global Technologies LLCInventors: Lawrence J. Effler, JR., Nilesh R. Savargaonkar, Mehmet Demirors, Selim Bensason, Teresa P. Karjala, Gregory Bunker, Christina Serrat, Jian Wang