Patents by Inventor Pradeep Jain
Pradeep Jain 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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Publication number: 20180265650Abstract: A composition is provided that comprises at least the following: polymer particles comprising a coating on at least a portion of the total surface of the polymer particles, and wherein the coating is formed from a powder composition comprising at least one inorganic powder, and at least one organic powder selected from a metal stearate and/or a polymer powder, and wherein the weight ratio of the total amount of the inorganic powder to the total amount of the organic powder is from 3.0 to 50.0.Type: ApplicationFiled: September 16, 2016Publication date: September 20, 2018Inventors: Shrikant Dhodapkar, Remi A. Trottier, Robert Bellair, Konanur Manjunath, Pradeep Jain, Michael D. Turner
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Publication number: 20180179311Abstract: New ethylene polymers having low levels of long chain branching are disclosed. Films and film layers made form these polymers have good hot tack strength over a wide range of temperatures, making them good materials for packaging applications.Type: ApplicationFiled: February 23, 2018Publication date: June 28, 2018Inventors: Rajen M. Patel, Robert N. Cotton, Sharon Baker, Pradeep Jain, Jian Wang, Jeffrey A. Sims, Tianzi Huang, Matthew Lehr
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Patent number: 9932425Abstract: Improved reaction processes comprise reacting a mixture to form a product comprising a metal alkyl, metal oxide, or mixture thereof and then passing said product to a post-reactor heat exchanger. The improvement comprises one or more of the following: (1) reacting said metal alkyl compound with an acid to produce a soluble metal ester; or (2) adding an ionic surfactant; or (3) adding a mixture comprising an antioxidant to the product under conditions sufficient to avoid formation of significant amounts of insoluble metal or metal compounds derived from said metal alkyl compound; or (4) purging said post-reactor heat exchanger with an inert gas under conditions to remove metal oxide from the post-reactor heat exchanger.Type: GrantFiled: December 15, 2014Date of Patent: April 3, 2018Assignee: Dow Global Technologies LLCInventors: Anthony J. Castelluccio, Jeffrey J. Dean, Alec Y. Wang, Lindsey A. Clark, Pradeep Jain, Roger L. Kuhlman, Angela N. Taha, Larry S. Green, Gary R. Marchand, Sean W. Ewart, Jeffrey A. Sims, Chris E. Blaschke, Brandon Fails
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Publication number: 20180086857Abstract: A process to form a block copolymer comprising two or more regions or segments of differentiated polymer composition or properties, including feeding a first mixture that includes a chain shuttling agent, a solvent, the one or more monomers, and optionally hydrogen into a first reactor or reactor zone, feeding a second mixture that includes at least one olefin polymerization catalyst and at least one cocatalyst into the first reactor or reactor zone, contacting the first mixture and the second mixture under polymerization conditions in the first reactor or reactor zone to form a reaction mixture that is characterized by the formation of polymer chains from the monomers, allowing polymerization to occur in the first reactor or reactor zone and/or a second reactor or reactor zone to form polymer chains that are differentiated from the polymer chains, such that the resultant polymer has two or more chemically or physically distinguishable blocks.Type: ApplicationFiled: March 22, 2016Publication date: March 29, 2018Inventors: Thomas W. Karjala, Brandon Fails, Jacob Veldman, Curvel Hypolite, James B. Crim, Anthony J. Castelluccio, Ludovicus JC Sluijts, Pradeep Jain
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Publication number: 20180037727Abstract: The invention provides a process to form a “first composition comprising a first ethylene/?-olefin interpolymer and a second ethylene/?-olefin interpolymer,” said process comprising polymerizing a first mixture comprising ethylene, an ?-olefin, and optionally a polyene, in a stirred tank reactor to form a first ethylene/?-olefin interpolymer, and transferring at least some of the first ethylene/?-olefin interpolymer to a loop reactor, and polymerizing, therein, a second mixture comprising ethylene, an alpha-olefin, and optionally a polyene, in the presence of the first ethylene/?-olefin interpolymer, to form the “first composition comprising the first ethylene/?-olefin interpolymer and the second ethylene/?-olefin interpolymer.” The invention also provides a polymerization reactor configuration comprising at least the following: a stirred tank reactor followed by a loop reactor.Type: ApplicationFiled: December 18, 2015Publication date: February 8, 2018Inventors: Thomas W. Karjala, Jorge Rubalcaba, Edward O. Madenjian, Curvel Hypolite, Pradeep Jain
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Patent number: 9821288Abstract: An apparatus and method for delivery of additives(s), e.g., catalyst, co-catalyst, scavengers, and/or other reaction- or product-modifying agents, to a reaction or mixing site, such as a reaction vessel, offers the capability for multi-additive delivery and customization of additive selection, flow and flow rate, and if desired, mixing thereof, without production train shutdowns. The invention includes at least two additive sources that are detachably connected, with conduit, to the reaction or mixing site, and a process control means, preferably automated, that is capable of initiating, terminating, and determining the rate of flow from the additive sources.Type: GrantFiled: April 19, 2013Date of Patent: November 21, 2017Assignee: DOW GLOBAL TECHNOLOGIES LLCInventors: Frank J. Cerk, Pradeep Jain, Jr., Michelle D. Dirk, Harold W Boone
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Publication number: 20170313800Abstract: The invention provides a process to form a composition comprising at least one ethylene-based polymer and at least one oil, said process comprising the following: polymerizing a mixture comprising ethylene, and optionally one or more comonomers, in a reactor system, comprising at least one reactor and at least one mixer, located downstream from the reactor, to form the ethylene-based polymer; and wherein the oil is added to the ethylene-based polymer upstream of the mixer. The invention also provides a reactor system for a process to form a composition comprising at least one ethylene-based polymer and at least one oil, said reactor system comprising at least one reactor, at least one mixer, and an oil feed into the ethylene-based polymer, and wherein the oil feed is located after the reactor and before the mixer.Type: ApplicationFiled: December 18, 2015Publication date: November 2, 2017Inventors: Thomas W. Karjala, Jorge Rubalcaba, Edward O. Madenjian, Curvel Hypolite, Pradeep Jain
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Publication number: 20170226332Abstract: Artificial turf filaments formed from polyethylene are provided that can have desirable properties. In one aspect, an artificial turf filament comprises a composition comprising a first composition, wherein the first composition comprises at least one ethylene-based polymer and wherein the first composition comprises a MWCDI value greater than 0.9, and a melt index ratio (I10/I2) that meets the following equation: I10/I2?7.0?1.2×log (I2).Type: ApplicationFiled: June 26, 2015Publication date: August 10, 2017Applicants: Dow Global Technologies LLC, Dow Global Technologies LLCInventors: Jian Wang, Pradeep Jain, Mehmet Demirors, Rajen M. Patel, Joseph L. Deavenport, David Lopez
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Publication number: 20170152377Abstract: Breathable films formed from polyethylene are provided that can have desirable properties. In one aspect, a breathable film comprises a layer formed from a composition comprising a first composition, wherein the first composition comprises at least one ethylene-based polymer and wherein the first composition comprises a MWCDI value greater than 0.9, and a melt index ratio (I10/I2) that meets the following equation: I10/I2?7.0?1.2×log(I2).Type: ApplicationFiled: June 26, 2014Publication date: June 1, 2017Inventors: Jian Wang, Pradeep Jain, Mehmet Demirors, Rajen M. Patel, Joseph L. Deavenport, Jacquelyn A. Degroot, Suzanne M. Guerra, Viraj Shah, Selim Bensason, Satyajeet Ojha
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Publication number: 20170129230Abstract: Cast films formed from polyethylene are provided that can have desirable properties. In one aspect, a cast film comprises a layer formed from a composition comprising a first composition, wherein the first composition comprises at least one ethylene-based polymer and wherein the first composition comprises a MWCDI value greater than 0.9, and a melt index ratio (I10/I2) that meets the following equation: I10/I2?7.0?1.2×log (I2).Type: ApplicationFiled: June 26, 2015Publication date: May 11, 2017Applicants: Dow Global Technologies LLC, Dow Global Technologies LLCInventors: Jian Wang, Pradeep Jain, Mehmet Demirors, Rajen M. Patel, Suzanne M. Guerra, Mauricio E. Leano
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Publication number: 20170129229Abstract: Blown films formed from polyethylene are provided that can have desirable properties. In one aspect, a blown film comprises a layer formed from a composition comprising a first composition, wherein the first composition comprises at least one ethylene-based polymer and wherein the first composition comprises a MWCDI value greater than 0.9, and a melt index ratio (I10/I2) that meets the following equation: I10/I2?7.0?1.2×log(I2).Type: ApplicationFiled: June 26, 2015Publication date: May 11, 2017Inventors: Jian WANG, Pradeep JAIN, Mehmet DEMIRORS, Rajen M. PATEL, Suzanne M. GUERRA, Mauricio E. LEANO, Hongming MA, Mustafa BILGEN, Francis O. OLAJIDE, JR.
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Patent number: 9631059Abstract: The instant invention provides a polyolefin composition suitable for packaging applications, films, multilayer structures and packaging devices made therefrom. The polyolefin composition according to the present invention comprises: an ethylene/?-olefin interpolymer composition comprising (a) from 50 to 75 percent by weight of a first ethylene/?-olefin copolymer fraction having a density in the range of 0.894 to 0.908 g/cm3, a melt index (I2) in the range of from 0.2 to 1 g/10 minutes, and (b) from 25 to 50 percent by weight of a second ethylene/?-olefin copolymer fraction, and wherein said ethylene/?-olefin interpolymer composition has a density in the range of 0.910 to 0.924 g/cm3, a melt index (I2) in the range of from 0.5 to 2 g/10 minutes, a zero shear viscosity ratio (ZSVR) in the range of from 1.15 to 2.5, a molecular weight distribution, expressed as the ratio of the weight average molecular weight to number average molecular weight (Mw/Mn) in the range of from 2.0 to 4.0, and tan delta at 0.Type: GrantFiled: December 27, 2013Date of Patent: April 25, 2017Assignee: Dow Global Technologies LLCInventors: Mehmet Demirors, Mridula Kapur, Pradeep Jain, Philip P. Fontaine, Douglas S. Ginger, David T. Gillespie, Mustafa Bilgen
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Publication number: 20170081444Abstract: The invention provides a composition comprising a first composition, comprising at least one ethylene-based polymer, and wherein the first composition comprises a MWCDI value greater than 0.9, and a melt index ratio I10/I2 that meets the following equation: I10/I2?7.0?1.2×log (I2). The invention also provides a process to form a composition comprising at least two ethylene-based polymers, said process comprising the following: polymerizing ethylene, and optionally at least one comonomer, in solution, in the presence of a catalyst system comprising a metal-ligand complex of Structure I, as described herein, to form a first ethylene-based polymer; and polymerizing ethylene, and optionally at least one comonomer, in the presence of a catalyst system comprising a Ziegler/Natta catalyst, to form a second ethylene-based polymer.Type: ApplicationFiled: June 26, 2015Publication date: March 23, 2017Inventors: Jian Wang, Pradeep Jain, Mehmet Demirors, Douglas S. Ginger, Anthony J. Castelluccio, Mridula Babli Kapur
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Patent number: 9593237Abstract: Disclosed are oil-extended olefin block copolymer compositions with low, or no, tack. A unique comonomer content in the soft segment of the OBC in conjunction with the presence of a polyolefin provides the present oil-extended OBC composition with softness, low (or no) tack, and low (or no) oil-bleed.Type: GrantFiled: June 1, 2015Date of Patent: March 14, 2017Assignee: Dow Global Technologies LLCInventors: Ashish Batra, Dana R. Breed, Pradeep Jain, Jose M. Rego, Robert T. Johnston, Alec Y. Wang, Jeffrey C. Munro
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Patent number: 9388254Abstract: The invention provides a polymerization process comprising polymerizing a reaction mixture comprising one or more monomer types, at least one catalyst, and at least one solvent, to form a polymer dispersion, and wherein the at least one catalyst is soluble in the at least one solvent, and wherein the polymer forms a dispersed phase in the solvent, and wherein the at least one solvent is a hydrocarbon. The invention provides a composition comprising an ethylene-based polymer comprising at least the following properties: a) a weight average molecular weight (Mw(abs)) greater than, or equal to, 60,000 g/mole; and b) a molecular weight distribution (Mw(abs)/Mn(abs)) greater than, or equal to, 2.3.Type: GrantFiled: December 21, 2011Date of Patent: July 12, 2016Assignee: Dow Global Technologies LLCInventors: Kishori Deshpande, Ravindra S. Dixit, Pradeep Jain
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Patent number: 9352537Abstract: Compositions suitable for film comprise at least one ethylene/?-olefin interpolymer, wherein the ethylene/?-olefin interpolymer may have, for example, a Mw/Mn from about 1.7 to about 3.5, at least one melting point, Tm, in degrees Celsius, and a density, d, in grams/cubic centimeter, wherein the numerical values of Tm and d correspond to the relationship: Tm>?2002.9+4538.5(d)?2422.2(d)2.Type: GrantFiled: January 16, 2014Date of Patent: May 31, 2016Assignee: Dow Global Technologies LLCInventors: David W. Fuchs, Pradeep Jain, Mehmet Demirors, Pak-Meng Cham, Yunwa W. Cheung
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Patent number: 9148364Abstract: A method, apparatus, and machine readable storage medium is for management of an Inclusive Provider Multicast Service Interface (I-PMSI) tunnel for forwarding traffic for a given multicast flow is disclosed. Aspects of the method comprise: upon expiry of an S-PMSI_DELAY interval timer, switching the multicast flow from the I-PMSI tunnel to a Selective Provider Multicast Service Interface (S-PMSI) tunnel only if the number of active Source-to-Leaf (S2L) paths exceeds a defined first threshold of a number of S2L paths and otherwise resetting the S-PMSI_DELAY interval timer. Other aspects provide for switching the multicast flow from the I-PMSI tunnel to the S-PMSI tunnel only if the number of PE nodes associated with the S-PMSI tunnel interested in the multicast flow does not exceed a defined a second threshold.Type: GrantFiled: September 30, 2013Date of Patent: September 29, 2015Assignee: Alcatel LucentInventors: Srikrishnan Venkataraman, Pradeep Jain, Geetha Rema Devi
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Publication number: 20150259524Abstract: Disclosed are oil-extended olefin block copolymer compositions with low, or no, tack. A unique comonomer content in the soft segment of the OBC in conjunction with the presence of a polyolefin provides the present oil-extended OBC composition with softness, low (or no) tack, and low (or no) oil-bleed.Type: ApplicationFiled: June 1, 2015Publication date: September 17, 2015Inventors: Ashish Batra, Dana R. Breed, Pradeep Jain, Jose M. Rego, Robert T. Johnston, Alec Y. Wang, Jeffrey C. Munro
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Patent number: 9115275Abstract: The instant invention provides a polyolefin composition suitable for packaging applications, films, multilayer structures and packaging devices made therefrom. The polyolefin composition according to the present invention comprises: an ethylene/?-olefin interpolymer composition comprising (a) from 50 to 75 percent by weight of a first ethylene/?-olefin copolymer fraction having a density in the range of 0.894 to 0.908 g/cm3, a melt index (I2) in the range of from 0.2 to 1 g/10 minutes, and (b) from 25 to 50 percent by weight of a second ethylene/?-olefin copolymer fraction, and wherein said ethylene/?-olefin interpolymer composition has a density in the range of 0.910 to 0.924 g/cm3, a melt index (I2) in the range of from 0.5 to 2 g/10 minutes, a zero shear viscosity ratio (ZSVR) in the range of from 1.15 to 2.5, a molecular weight distribution, expressed as the ratio of the weight average molecular weight to number average molecular weight (Mw/Mn) in the range of from 2.0 to 4.0, and tan delta at 0.Type: GrantFiled: December 27, 2013Date of Patent: August 25, 2015Assignee: Dow Global Technologies LLCInventors: Mridula Kupar, Mehmet Demirors, Pradeep Jain, Philip P. Fontaine, Douglas S. Ginger, David T. Gillespie, Mustafa Bilgen
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Publication number: 20150231590Abstract: An apparatus and method for delivery of additives(s), e.g., catalyst, co-catalyst, scavengers, and/or other reaction- or product-modifying agents, to a reaction or mixing site, such as a reaction vessel, offers the capability for multi-additive delivery and customization of additive selection, flow and flow rate, and if desired, mixing thereof, without production train shutdowns. The invention includes at least two additive sources that are detachably connected, with conduit, to the reaction or mixing site, and a process control means, preferably automated, that is capable of initiating, terminating, and determining the rate of flow from the additive sources.Type: ApplicationFiled: April 19, 2013Publication date: August 20, 2015Inventors: Frank J. Cerk, Pradeep Jain, Michelle D. Dirk, Harold W. Boone