Patents by Inventor Rajen M. Patel

Rajen M. Patel 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: 10315395
    Abstract: Disclosed herein is a multilayered article comprising a core layer comprising a thermoplastic polymer; where the thermoplastic polymer comprises a polyolefin, thermoplastic starch, and a compatibilizer; where the compatibilizer does not contain ethylene acrylic acid; where the polyolefin is not polypropylene and where the polyolefin present in an amount of greater than 40 wt %, based on a total weight of the core layer; a first layer comprising a thermoplastic resin; and a second layer comprising a thermoplastic resin; where the first layer and the second layer are devoid of fillers; where the first layer is disposed on a side of the core layer that is opposed to the side that contacts the second layer; where the multilayered article has an optical clarity of greater than 80% when measured as per ASTM D 1746 and a total haze less than 8% when measured as per ASTM D 1003.
    Type: Grant
    Filed: December 16, 2015
    Date of Patent: June 11, 2019
    Assignee: DOW GLOBAL TECHNOLOGIES LLC
    Inventors: Kalyan Sehanobish, Santosh S. Bawiskar, Eric Hui Chin Tu, Peter Kwok-Wai Fung, Peter Yap, Xiaosong Wu, Rajen M. Patel
  • Patent number: 10308741
    Abstract: 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: Grant
    Filed: February 7, 2014
    Date of Patent: June 4, 2019
    Assignee: DOW GLOBAL TECHNOLOGIES LLC
    Inventors: Mehmet Demirors, Teresa P. Karjala, Nilesh R. Savargaonkar, Rajen M. Patel, Sylvie Desjardins
  • Publication number: 20190002602
    Abstract: Disclosed herein is a cast film comprising a polyethylene composition comprising the reaction product of ethylene and optionally one or more alpha-olefin comonomers, wherein said polyethylene composition is characterized by the following properties: a melt index, I2, measured according to ASTM D1238 (2.16 kg, 190° C.), of from 1 to 20 g/10 min; a density (measured according to ASTM D792) of from 0.935 to 0.970 g/cm3; a melt flow ratio, I10/I2, wherein I10 is measured according to ASTM D1238 (10 kg, 190° C.) of from 5.5 to 7.0; a molecular weight distribution (Mw/Mn) of from 2.2 to 3.5; and a vinyl unsaturation of greater than 0.12 vinyls per one thousand carbon atoms present in the backbone of the composition.
    Type: Application
    Filed: January 25, 2017
    Publication date: January 3, 2019
    Inventors: Rajen M. Patel, Jacquelyn A. Degroot, Fabricio Arteaga Larios, Selim Bensason, Teresa P. Karjala, Mehmet Demirors, Chuan Yar Lai
  • Patent number: 10160186
    Abstract: The present disclosure provides a coextruded multilayer film. The coextruded multilayer film includes a core component having from 10 to 1000 alternating layers of layer A and layer B. Layer A has a thickness from 30 nm to 1000 nm and includes a polymer selected from an ethylene/a-olefin copolymer, an ethylene vinyl acetate polymer (EVA), an ethylene methyl-acrylate copolymer (EMA), an ethylene n-butyl acetate polymer (EnBA), and combinations thereof. Layer B has a thickness from 30 nm to 1000 nm. Layer B is a blend composed of (i) a polymer selected from an ethylene-based polymer, an EVA, an EMA, an EnBA, and combinations thereof, and (ii) a particulate filler material. The core component has a water vapor transmission rate from 50 to less than 500 g-mil/m2/24 hr and a carbon dioxide transmission rate from 50,000 to 300,000 cc-mil/m2/24 hr/atm.
    Type: Grant
    Filed: August 25, 2015
    Date of Patent: December 25, 2018
    Assignee: Dow Global Technologies LLC
    Inventors: Bruce A. Menning, Robert L. McGee, Patrick Chang Dong Lee, Rajen M. Patel
  • Patent number: 10131121
    Abstract: The invention provides a film comprising at least two layers, a first layer and a second layer; and wherein the first layer is formed from a first composition comprising a polyester, a polylactic acid, or a combination thereof; and wherein the second layer is formed from a second composition comprising at least the following: A) functionalized ethylene-based polymer, and B) ethylene/alpha-olefin interpolymer; and wherein the first layer is adjacent to the second layer.
    Type: Grant
    Filed: March 5, 2013
    Date of Patent: November 20, 2018
    Assignee: Dow Global Technologies LLC
    Inventors: Didem Oner-Deliormanli, Marlos G. Oliveira, Ashish Batra, Rajen M. Patel, Brian W. Walther
  • Publication number: 20180222149
    Abstract: Embodiments disclosed herein include multilayer films having a cling layer and a release layer, wherein the cling layer comprises (i) an ethylene/alpha-olefm elastomer, and (ii) a polyethylene polymer selected from ultra-low density polyethylene, a very low density polyethylene, or combinations thereof, and the release layer comprises a polyethylene composition.
    Type: Application
    Filed: August 10, 2016
    Publication date: August 9, 2018
    Inventors: Jong Young LEE, Teresa P. KARJALA, Rajen M. PATEL
  • Publication number: 20180179311
    Abstract: 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: Application
    Filed: February 23, 2018
    Publication date: June 28, 2018
    Inventors: Rajen M. Patel, Robert N. Cotton, Sharon Baker, Pradeep Jain, Jian Wang, Jeffrey A. Sims, Tianzi Huang, Matthew Lehr
  • Publication number: 20180148525
    Abstract: An electronic device module comprises: A. At least one electronic device, e.g., a solar cell, and B. A polymeric material in intimate contact with at least one surface of the electronic device, the polymeric material comprising an ethylene multi-block copolymer. Typically, the polyolefin material is an ethylene multi-block copolymer with a density of less than about 0.90 grams per cubic centimeter (g/cc). The polymeric material can fully encapsulate the electronic device, or it can be laminated to one face surface of the device. Optionally, the polymeric material can further comprise a scorch inhibitor, and the copolymer can remain uncrosslinked or it can be crosslinked.
    Type: Application
    Filed: January 18, 2018
    Publication date: May 31, 2018
    Inventors: Rajen M. Patel, Shaofu Wu, Mark T. Bernius, Mohamed Esseghir, Robert L. McGee, Michael H. Mazor, John Naumovitz
  • Publication number: 20180010304
    Abstract: An artificial turf filament comprising an ethylene-based polymer, wherein the ethylene-based polymer comprises greater than 50 wt. % of the units derived from ethylene and less than 30 wt. % of the units derived from one or more alpha-olefin co monomers.
    Type: Application
    Filed: January 27, 2016
    Publication date: January 11, 2018
    Inventors: Barbara Bonavoglia, Joseph L. Deavenport, David Lopez, Rajen M. Patel
  • Publication number: 20170369302
    Abstract: A cushioning network structure comprising a plurality of random loops arranged in a three-dimensional orientation, wherein the plurality of random loops are formed from an ethylene/a-olefin interpolymer composition having a highest DSC temperature melting peak in the range of from 90.0° C. to 115.0° C.; a zero shear viscosity ratio (ZSVR) in the range from 1.40 to 2.10; a density in the range of from 0.860 to 0.925 g/cc, a melt index (12) in a range of from 1 to 25 g/10 minutes when measured according to ASTM D1238 at 190° C. and 2.16 kg, a molecular weight distribution (Mw/Mn) in the range of from 2.0 to 4.5.
    Type: Application
    Filed: February 10, 2016
    Publication date: December 28, 2017
    Inventors: Viraj Shah, Rajen M. Patel, Selim Bensason
  • Publication number: 20170355179
    Abstract: Disclosed herein is a multilayered article comprising a core layer comprising a thermoplastic polymer; where the thermoplastic polymer comprises a polyolefin, thermoplastic starch, and a compatibilizer; where the compatibilizer does not contain ethylene acrylic acid; where the polyolefin is not polypropylene and where the polyolefin present in an amount of greater than 40 wt %, based on a total weight of the core layer; a first layer comprising a thermoplastic resin; and a second layer comprising a thermoplastic resin; where the first layer and the second layer are devoid of fillers; where the first layer is disposed on a side of the core layer that is opposed to the side that contacts the second layer; where the multilayered article has an optical clarity of greater than 80% when measured as per ASTM D 1746 and a total haze less than 8% when measured as per ASTM D 1003.
    Type: Application
    Filed: December 16, 2015
    Publication date: December 14, 2017
    Applicant: DOW GLOBAL TECHNOLOGIES LLC
    Inventors: Kalyan SEHANOBISH, Santosh S. BAWISKAR, Eric Hui Chin TU, Peter Kwok-Wai FUNG, Peter YAP, Xiaosong WU, Rajen M. PATEL
  • Publication number: 20170334175
    Abstract: Embodiments of multilayer film structures comprise at least one elastic layer comprising thermoplastic elastomer, at least one barrier layer comprising ethylene vinyl alcohol, polyamides, polyvinylidene chloride, or combinations thereof, and at least Cone tie layer disposed between and adhering the at least one elastic layer to the at least one barrier layer, wherein the at least one tie layer comprises thermoplastic elastomer and functionalized olefin-based polymer.
    Type: Application
    Filed: October 21, 2015
    Publication date: November 23, 2017
    Applicant: Dow Global Technologies LLC
    Inventors: Cody W. Lawrence, Jeffrey C. Munro, Rajen M. Patel, Kim L. Walton
  • Publication number: 20170326853
    Abstract: Embodiments disclosed herein include multilayer films having at least an outer layer that includes 1) polyethylene elastomer and 2) ULDPE or VLDPE and that has a purge fraction greater than 20 percent as determined by Crystallization Elution Fractionation (CEF) test method. Embodiments disclosed herein also include related compositions to make such films and methods of making such films. The ULDPE or VLDPE can be made via Ziegler-Natta catalyst reaction techniques to provide the desired purge fraction.
    Type: Application
    Filed: October 23, 2015
    Publication date: November 16, 2017
    Inventors: Jong Young LEE, Yijian Lin, Rajen M. Patel
  • Patent number: 9803295
    Abstract: The present invention relates to nonwoven webs or fabrics. In particular, the present invention relates to nonwoven webs having superior abrasion resistance and excellent softness characteristics. The nonwoven materials comprise monocomponent fibers having a surface comprising a polyethylene, said nonwoven material having a fuzz/abrasion of less than 0.7 mg/cm3. The present invention is also related to fibers having a diameter in a range of from 0.1 to 50 denier, said fibers comprising a polymer blend, wherein the polymer blend comprises: from 40 weight percent to 80 weight percent (by weight of the polymer blend) of a first polymer which is a homogeneous ethylene/?-olefin interpolymer having: a melt index of from about 1 to about 1000 grams/10 minutes, and a density of from 0.870 to 0.
    Type: Grant
    Filed: April 8, 2005
    Date of Patent: October 31, 2017
    Assignee: Dow Global Technologies LLC
    Inventors: Rajen M. Patel, Gert Claasen, Wenbin Liang, Karin Katzer, Kenneth B. Stewart, Thomas Allgeuer, Jesus Nieto
  • Publication number: 20170247580
    Abstract: A cling foil comprising an outermost adhesive layer comprising a pressure sensitive adhesive, an outermost release layer, the outermost release layer comprising a release material, and a foil layer positioned between the outermost adhesive layer and the outermost release layer.
    Type: Application
    Filed: September 17, 2015
    Publication date: August 31, 2017
    Applicants: Rohm and Haas Company, Dow Global Technologies LLC
    Inventors: Swapnil Chandak, Rajen M. Patel, William B. Griffith, JR., Daniel W. Himmelberger
  • Publication number: 20170239921
    Abstract: The present disclosure provides a coextruded multilayer film. The coextruded multilayer film includes a core component having from 10 to 1000 alternating layers of layer A and layer B. Layer A has a thickness from 30 nm to 1000 nm and includes a polymer selected from an ethylene/a-olefin copolymer, an ethylene vinyl acetate polymer (EVA), an ethylene methyl-acrylate copolymer (EMA), an ethylene n-butyl acetate polymer (EnBA), and combinations thereof. Layer B has a thickness from 30 nm to 1000 nm. Layer B is a blend composed of (i) a polymer selected from an ethylene-based polymer, an EVA, an EMA, an EnBA, and combinations thereof, and (ii) a particulate filler material. The core component has a water vapor transmission rate from 50 to less than 500 g-mil/m2/24 hr and a carbon dioxide transmission rate from 50,000 to 300,000 cc-mil/m2/24 hr/atm.
    Type: Application
    Filed: August 25, 2015
    Publication date: August 24, 2017
    Inventors: Bruce A. Menning, Robert L. McGee, Patrick Chang Dong Lee, Rajen M. Patel
  • Publication number: 20170226332
    Abstract: 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: Application
    Filed: June 26, 2015
    Publication date: August 10, 2017
    Applicants: Dow Global Technologies LLC, Dow Global Technologies LLC
    Inventors: Jian Wang, Pradeep Jain, Mehmet Demirors, Rajen M. Patel, Joseph L. Deavenport, David Lopez
  • Publication number: 20170183461
    Abstract: The instant invention provides microcapillary films. The inventive microcapillary film according to the present invention comprises a first end and a second end, wherein the microcapillary film comprises: (a) a matrix comprising a thermoplastic material, (b) at least one or more channels disposed in parallel in said matrix from the first end to the second end of said film, wherein said one or more channels are at least 1 ?m apart from each other, and wherein each said one or more channels have a diameter in the range of at least 1 ?m; and wherein said microcapillary film comprise from 10 to 90 percent by volume of voidage, based on the total volume of the microcapillary film, and wherein said one or more channels has a aspect ratio in the range of from 1:1 to 100:1; and wherein said film has a thickness in the range of from 5 ?m to 500 ?m.
    Type: Application
    Filed: January 30, 2015
    Publication date: June 29, 2017
    Inventors: Julie W. McKenna, Debkumar Bhattacharjee, Joseph Dooley, Wenyi Huang, Todd O. Pangburn, Rajen M. Patel
  • Publication number: 20170152377
    Abstract: 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: Application
    Filed: June 26, 2014
    Publication date: June 1, 2017
    Inventors: Jian Wang, Pradeep Jain, Mehmet Demirors, Rajen M. Patel, Joseph L. Deavenport, Jacquelyn A. Degroot, Suzanne M. Guerra, Viraj Shah, Selim Bensason, Satyajeet Ojha
  • Publication number: 20170129229
    Abstract: 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: Application
    Filed: June 26, 2015
    Publication date: May 11, 2017
    Inventors: Jian WANG, Pradeep JAIN, Mehmet DEMIRORS, Rajen M. PATEL, Suzanne M. GUERRA, Mauricio E. LEANO, Hongming MA, Mustafa BILGEN, Francis O. OLAJIDE, JR.