Patents by Inventor Mohamed Esseghir

Mohamed Esseghir 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).

  • Publication number: 20230383104
    Abstract: A polymeric composition includes an ethylene-based polymer having a density of 0.926 g/cc to 0.970 g/cc as measured according to ASTM D792 and a polydimethylsiloxane having a weight average molecular weight of 550,000 g/mol to 650,000 g/mol as measured according to Gel Permeation Chromatography. The composition is free of polydimethylsiloxane having a weight average molecular weight of from 30,000 g/mol to 300,000 g/mol as measured according to Gel Permeation Chromatography.
    Type: Application
    Filed: January 26, 2022
    Publication date: November 30, 2023
    Inventors: Paul J. Brigandi, Mohamed Esseghir, Stacey A. Saba, Amit K. Chaudhary
  • Patent number: 11807742
    Abstract: A polymeric composition includes an ethylene-based polymer, one or more of an ionomer and an acid copolymer, a flame-retardant filler, and a maleic anhydride functionalized polyolefin. The polymeric composition has an MAH Product of 3 or greater.
    Type: Grant
    Filed: August 9, 2022
    Date of Patent: November 7, 2023
    Assignee: DOW GLOBAL TECHNOLOGIES LLC
    Inventors: Karl M. Seven, Alexander Williamson, Stacey A. Saba, Paul J. Brigandi, Jeffrey M. Cogen, Mohamed Esseghir
  • Publication number: 20230340239
    Abstract: A polymeric composition includes an ethylene-based polymer and a free radical scavenger having structure (I), wherein, R1 and R2 are independently linear, or branch form alkyl, alkenyl, phenyl or aryl group moieties with or without substituents and each of R1 and R2 have a carbon number from 1 to 100, further wherein the polymeric composition is thermoplastic.
    Type: Application
    Filed: September 29, 2020
    Publication date: October 26, 2023
    Inventors: Chao He, Wenke Miao, Xianmin Xu, Yuming Lai, Mohamed Esseghir, Xiaoxiong Miao
  • Publication number: 20230303737
    Abstract: In various embodiments, a bimodal polyethylene may include a high molecular weight component and a low molecular weight component. The bimodal polyethylene may have a density of from 0.933 grams per centimeter (g/cm3) to 0.960 g/cm3, a melt index (I2) of from 0.3 decigrams per minute (dg/min) to 1.2 dg/min, a melt flow ratio (MFR21) greater than 80.0, a molecular weight distribution (Mw/Mn) greater than 10, a reverse comonomer distribution, and a shear thinning index of from 5.0 to 20.0. Methods for producing the bimodal polyethylene, articles manufactured from the bimodal polyethylene are also provided.
    Type: Application
    Filed: July 7, 2021
    Publication date: September 28, 2023
    Applicant: Dow Global Technologies LLC
    Inventors: Mohamed Esseghir, Chuan C. He, Mridula Kapur, Andrew T. Heitsch, Theo Geussens, John F. Szul
  • Patent number: 11767419
    Abstract: A melt blended composition comprising, in weight percent (wt %) based upon the weight of the composition: (A) 55 to 94.99 wt % of a thermoplastic polymer, (B) 5 to 44.99 wt % of a moisture curable polymer, and (C) 0.01 to 5 wt % of a moisture condensation catalyst exhibits enhanced rheological and mechanical properties as compared to a composition alike in all aspects save for the presence of a moisture curable polymer.
    Type: Grant
    Filed: April 11, 2019
    Date of Patent: September 26, 2023
    Assignee: Dow Global Technologies, LLC
    Inventors: Saswati Pujari, Manish Talreja, Mohamed Esseghir
  • Publication number: 20230279196
    Abstract: A polymeric composition includes 90 wt % to 99 wt % of an ethylene-based polymer based on a total weight of the polymeric composition; 0.1 wt % to 1 wt % of a hindered amine light stabilizer based on the total weight of the polymeric composition; and 0.1 wt % to 5.0 wt % of at least one of MgO, Mg (OH)2, ZnO and Zn (OH)2 based on the total weight of the polymeric composition.
    Type: Application
    Filed: September 7, 2020
    Publication date: September 7, 2023
    Inventors: Wenke Miao, Chao He, Xianmin Xu, Yuming Lai, Jing Yu, Mohamed Esseghir, Xiaoxiong Miao
  • Publication number: 20230272193
    Abstract: A polymeric composition includes an ethylene-based polymer, one or more of an ionomer and an acid copolymer, a flame-retardant filler, and a maleic anhydride functionalized polyolefin. The polymeric composition has an MAH Product of 3 or greater.
    Type: Application
    Filed: August 9, 2022
    Publication date: August 31, 2023
    Inventors: Karl M. Seven, Alexander Williamson, Stacey A. Saba, Paul J. Brigandi, Jeffrey M. Cogen, Mohamed Esseghir
  • Publication number: 20230272196
    Abstract: In various embodiments, a thermoplastic composition may comprise from 0.5 wt. % to 75.0 wt. % of recycled polyethylene comprising a blend of polyethylene recovered from post-consumer material, pre-consumer material, or combinations thereof, and from 25.0 wt. % to 99.5 wt. % of virgin raw polyethylene comprising unimodal polyethylene, bimodal polyethylene, or combinations thereof, wherein at least 90.0 wt. % of the thermoplastic composition is comprised of the post-consumer recycled polyethylene and the virgin raw polyethylene. Manufactured articles made from the thermoplastic composition, such as coated conductors, are also provided.
    Type: Application
    Filed: July 7, 2021
    Publication date: August 31, 2023
    Applicant: Dow Global Technologies LLC
    Inventors: Paul J. Brigandi, Mohamed Esseghir, Kumar N. Sanketh, Chuan C. He, Mridula Kapur, Andrew T. Heitsch, John F. Szul
  • Publication number: 20230265269
    Abstract: A polymeric composition includes (i) a copolymer of ethylene and an alpha olefin comonomer, the copolymer having a density of 0.945 g/cc to 0.960 g/cc, (ii) an ethylene-based polymer, and (iii) polyethylene glycol. The combination of (i) and (ii) has a High Mw Comonomer Content of 3.2 wt % or greater based on a total weight of the combined (i) and (ii) over the weight average molecular weight range of 105 g/mol to 105.5 g/mol as measured by GPC, wherein 15 wt % or greater of the total weight of the polymeric composition is the combined (i) and (ii) having a molecular weight in the range of 105 g/mol to 105.5 g/mol as measured by GPC, wherein the polymeric composition has a Relevant Comonomer Content of 0.6 wt % or greater and wherein the polymeric composition has a density of 0.945 g/cc or greater as measured according to ASTM D792.
    Type: Application
    Filed: October 4, 2021
    Publication date: August 24, 2023
    Inventors: Stacey A. Saba, Mohamed Esseghir, Theo Geussens, Yushan Hu, Brayden E. Glad, Andrew T. Heitsch, Buu-Dang Nguyen
  • Publication number: 20230159730
    Abstract: A polymeric composition includes an ethylene polymer, 0.05 wt % to 0.25 wt % carbon black based on a total weight of the polymeric composition and a polymeric ultraviolet light stabilizer including a hindered amine moiety and having a weight average molecular weight from 5,000 g/mol to 20,000 g/mol as measured according to Gel Permeation Chromatography.
    Type: Application
    Filed: July 26, 2021
    Publication date: May 25, 2023
    Inventors: Stacey A. Saba, Paul J. Brigandi, Mohamed Esseghir, Bharat I. Chaudhary
  • Publication number: 20230144837
    Abstract: The present disclosure provides a coated conductor. The coated conductor includes a conductor and an outermost coating on the conductor. The coating includes (A) an ethylene-based polymer having an I21/I2 ratio from 20 to 50; and (B) a propylene/ethylene copolymer having a Mw/Mn from 2.0 to 3.5. The coating has a surface roughness from 20 ?-inch to 100 ?-inch.
    Type: Application
    Filed: June 27, 2019
    Publication date: May 11, 2023
    Inventors: Anny L. Flory, Karl M. Seven, Mohamed Esseghir, Chester J. Kmiec, Rajen M. Patel
  • Patent number: 11643546
    Abstract: Polymeric compositions comprising a polybutylene terephthalate; a low-density polyolefin selected from a low-density polyethylene, a polyolefin elastomer, or combinations thereof; and a maleated ethylene-based polymer. Optical cable components fabricated from the polymeric composition. Optionally, the polymeric composition can further comprise one or more additives, such as a filler. The optical fiber cable components can be selected from buffer tubes, core tubes, and slotted core tubes, among others.
    Type: Grant
    Filed: July 18, 2018
    Date of Patent: May 9, 2023
    Assignees: UNION CARBIDE CORPORATION, ROHM AND HAAS COMPANY
    Inventors: Michael Q. Tran, Mohamed Esseghir
  • Publication number: 20220340739
    Abstract: A polymeric composition includes (a) 1 wt % to 45 wt % of an ethylene-based polymer; (b) 50 wt % to 90 wt % of a polybutylene terephthalate having a melt flow index from 21 g/10 min. to 35 g/10 min at 250 C and 2.16 Kg; and (c) 3.5 wt % to 10 wt % of a compatibilizer comprising a maleated ethylene-based polymer and ethylene n-butylacrylate glycidyl methacrylate.
    Type: Application
    Filed: August 21, 2020
    Publication date: October 27, 2022
    Inventors: Karl M. Seven, Mohamed Esseghir, Jeffrey M. Cogen
  • Patent number: 11466155
    Abstract: A filling composition comprises (A) a mineral oil having a kinematic viscosity from 80 cSt to 100 cSt at 40° C.; (B) a styrene-ethylene/propylene diblock copolymer; and (C1) a propylene/ethylene copolymer having a weight average molecular weight (Mw) from 5,000 to 200,000 or (C2) an ethylene/propylene copolymer having a weight average molecular weight (Mw) from 5,000 to 200,000. The filling composition is used as a filling composition in a buffer tube.
    Type: Grant
    Filed: June 30, 2017
    Date of Patent: October 11, 2022
    Assignee: Dow Global Technologies LLC
    Inventors: Gangwei Sun, XianMin Xu, Mohamed Esseghir, Peng Gao, Youjun Wu, Lingfeng Yu
  • Publication number: 20220298345
    Abstract: A method includes steps of (a) blending a polymeric composition, including: (i) 5 wt % to 45 wt % of a silanol-functionalized polyolefin based on a total weight of the polymeric composition; (ii) 55 wt % to 90 wt % of a polybutylene terephthalate based on a total weight of the polymeric composition having a melt flow index from 21 g/10 min. to 35 g/10 min. at 250° C. and 2.16 kg; (iii) a condensation catalyst; and (iv) 0.5 wt % to 10 wt % of hydroxy terminated poly(dimethylsiloxane) based on a total weight of the polymeric composition; and (b) extruding the polymeric composition.
    Type: Application
    Filed: November 3, 2020
    Publication date: September 22, 2022
    Inventors: Karl M. Seven, Mohamed Esseghir, Jeffrey M. Cogen
  • Publication number: 20220281138
    Abstract: A method of making a homogeneous mixture of polyolefin solids and carbon solids without melting the polyolefin solids during the making The method comprises applying acoustic energy at a frequency of from 20 to 100 hertz to a heterogeneous mixture comprising the polyolefin solids and the carbon solids for a period of time sufficient to substantially intermix the polyolefin solids and the carbon solids together while maintaining temperature of the heterogeneous mixture below the melting temperature of the polyolefin solids, thereby making the homogeneous mixture without melting the polyolefin solids.
    Type: Application
    Filed: August 26, 2020
    Publication date: September 8, 2022
    Inventors: Mohamed Esseghir, Saurav S. Sengupta
  • Patent number: 11407873
    Abstract: The present disclosure provides a foamable composition containing (A) a high density polyethylene (HDPE); (B) a low density polyethylene (LDPE); (C) a peroxide-modified HDPE; and (D) a nucleator. The present disclosure also provides a process for making a foam composition. Additionally, the present disclosure provides a foam formed from a foamable composition, and a cable with an insulation layer containing the foam.
    Type: Grant
    Filed: February 7, 2017
    Date of Patent: August 9, 2022
    Assignee: Dow Global Technologies LLC
    Inventors: Jiawen Xiong, Gangwei Sun, Mohamed Esseghir, Hongyu Chen, Jeffrey M. Cogen, Yi Zhang
  • Publication number: 20220227979
    Abstract: The present disclosure provides a crosslinked polymeric composition. The crosslinked polymeric composition contains (A) a silane functionalized ethylene-based polymer and (B) inorganic hollow microspheres having (i) a D90 particle size from 10 ?m to 100 ?m, (ii) a crush strength from 17 MPa to 140 MPa, and (iii) a density from 0.10 g/cc to 0.40 g/cc. The crosslinked polymeric composition has a tensile strength from 11 MPa to 40 MPa and a tensile elongation from 12% to 100%.
    Type: Application
    Filed: May 24, 2019
    Publication date: July 21, 2022
    Inventors: Chao He, Wenke Miao, Xianmin Xu, Mohamed Esseghir, Xiaoxing Miao, Hongyu Chen
  • Publication number: 20220193956
    Abstract: A die assembly (5) including: (i) a die plate (10) having an inlet surface (15) and an opposing discharge surface (35); (ii) an inlet (30) on the inlet surface (15) and a first axis of symmetry (A) extending through the inlet (30) and perpendicular to the inlet surface (15); (iii) a discharge port (45) on the discharge surface (35) and a second axis of symmetry (B) extending through the discharge port (45) and perpendicular to the discharge surface (35). The first and second axes are apart from, and parallel to, one another. The die assembly (5) includes (iv) an extrudate passage (42) fluidly connecting the inlet (30) and the discharge port (45). A third axis of symmetry (C) extends through the extrudate passage (42). The die assembly (5) includes (v) a nozzle (100) mounted in the die plate (10), the nozzle (100) having an injection tip (110) in the extrudate passage (42) at the discharge port (45); and (vi) the third axis of symmetry (C) intersects the first axis of symmetry (A) to form an acute angle.
    Type: Application
    Filed: March 29, 2019
    Publication date: June 23, 2022
    Inventors: Wenyi Huang, Nicholas J. Horstman, Jeffrey D. Wenzel, Qian Gou, Yabin Sun, Mohamed Esseghir, Yunfeng Yang, Yonghua Gong, Weiming Ma, Hong Yang
  • Publication number: 20220195232
    Abstract: A cable includes (a) a conductor; and (b) an expanded polymeric coating surrounding at least a portion of the conductor, the expanded polymeric coating including: (i) 70.0 wt. % to 99.8 wt. % low-density polyethylene homopolymer; and (ii) 0.2 wt. % to 5.0 wt. % of expanded polymeric microspheres having a D50 average diameter of from 25 ?m to 40 ?m, wherein the expanded polymeric coating has a density of 0.75 g/cc or less.
    Type: Application
    Filed: July 1, 2019
    Publication date: June 23, 2022
    Inventors: Wenke Miao, Chao He, Xianmin Xu, Mohamed Esseghir, Xiaoxiong Miao