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).

  • Buffer Tubes for Fiber Optic Cables
    Publication number: 20190048177
    Abstract: Buffer tubes made from a composition comprising: (A) polypropylene, (B) high density polyethylene (HDPE), (C) propylene-ethylene copolymer (PE copolymer), (D) olefin block composite, and (E) optionally, one or more of a nucleating agent, filler and additive, exhibit reduced stress whitening as compared to buffer tubes made from conventional polypropylene compositions.
    Type: Application
    Filed: March 25, 2016
    Publication date: February 14, 2019
    Inventors: Mohamed Esseghir, Gangwei Sun, Yonghua Gong
  • POLYMERIC COMPOSITIONS FOR OPTICAL FIBER CABLE COMPONENTS
    Publication number: 20190023895
    Abstract: Polymeric compositions comprising a polybutylene terephthalate, an ethylene-based polymer, 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: Application
    Filed: March 7, 2016
    Publication date: January 24, 2019
    Applicant: Dow Global Technologies LLC
    Inventors: William J. Harris, Mohamed Esseghir, Gangwei Sun
  • Cable jackets having designed microstructures and methods for making cable jackets having designed microstructures
    Patent number: 10175439
    Abstract: Optical fiber cables (1001) comprising at least one optical fiber transmission medium (1006) and at least one elongated polymeric protective component (1002) surrounding at least a portion of the optical fiber transmission medium. The elongated polymeric protective component (1002) comprises a polymeric matrix material and a plurality of microcapillaries containing a polymeric microcapillary material, where the polymeric matrix material has a higher flexural modulus than the polymeric microcapillary material. Also disclosed are dies and methods for making such optical fiber cables and protective components.
    Type: Grant
    Filed: December 3, 2015
    Date of Patent: January 8, 2019
    Assignee: Dow Global Technologies LLC
    Inventors: Mohamed Esseghir, Wenyi Huang, Joseph Dooley, Patrick Chang Dong Lee
  • Flooding composition with polysiloxane
    Patent number: 10162141
    Abstract: The present disclosure provides a flooding composition. In an embodiment, the flooding composition includes in weight percent (wt %) based on the weight of the composition (A) from 10 wt % to 45 wt % of a silane-grafted polyolefin (Si-g-PO). The flooding composition also includes (B) from 5 wt % to 60 wt % of a poly?-olefin oil (PAO oil), (C) from 15 wt % to 90 wt % of a polysiloxane, and (D) from 0.05 wt % to 0.2 wt % of a catalyst.
    Type: Grant
    Filed: March 28, 2018
    Date of Patent: December 25, 2018
    Assignee: Dow Global Technologies LLC
    Inventors: Karl M. Seven, Jeffrey M. Cogen, Mohamed Esseghir
  • In-situ compatibilization of silicone rubber/polyolefin elastomer blends by forming ionomers for cold shrink splice and preparation method thereof
    Patent number: 10150867
    Abstract: A cold shrink article made from a composition comprising (A) a silicone rubber; (B) an ethylene/?-olefin interpolymer; (C) a filler; and (D) an ?,?-unsaturated carboxylic acid. The composition may optionally include additives selected from the group consisting of plasticizer, peroxide curing agent, antioxidant, process additives, flame retardant and combinations thereof.
    Type: Grant
    Filed: June 27, 2014
    Date of Patent: December 11, 2018
    Assignee: Dow Global Technologies LLC
    Inventors: Haiyang Yu, Yanli Huo, Mohamed Esseghir, Saurav Sengupta, Jeffrey Cogen
  • Flooding composition with polysiloxane
    Patent number: 10150868
    Abstract: The present disclosure provides a flooding composition. In an embodiment, the flooding composition includes in weight percent (wt %) based on the weight of the composition (A) from 20 wt % to 40 wt % of a polyolefin component comprising (i) a first amorphous polyolefin (APO), and (ii) a second APO different than the first APO. The flooding composition also includes (B) from 30 wt % to 60 wt % of a bio-based oil; and (C) from 15 wt % to 45 wt % of a polysiloxane.
    Type: Grant
    Filed: March 28, 2018
    Date of Patent: December 11, 2018
    Assignee: Dow Global Technologies LLC
    Inventors: Karl M. Seven, Jeffrey M. Cogen, Mohamed Esseghir
  • High Porosity Microcellular Polyethylene
    Publication number: 20180346676
    Abstract: A process for making a foam composition, the process comprising the steps of: (A) Forming a mixture comprising high density polyethylene (HDPE), low density polyethylene (LDPE) and a peroxide; and (B) Contacting the mixture of (A) with carbon dioxide (CO2) at a pressure greater than or equal to 15 megaPascals (MPa). In one embodiment the peroxide is DTAP. In one embodiment the mixture of (A) further comprises a CO2-philic compound such as PDMS.
    Type: Application
    Filed: December 3, 2015
    Publication date: December 6, 2018
    Inventors: Cheng Chen, Gangwei Sun, Mohamed Esseghir, Jeffrey M. Cogen, Zhe Du, Jianxin Zhang
  • Flexible elastic rubber compounds with improved dielectric and tear strength for cold shrink splices and preparation method thereof
    Patent number: 10093794
    Abstract: A cold shrink article made from a composition comprising (A) an ethylene/?-olefin interpolymer; (B) a filler; and (C) an ?,?-unsaturated carboxylic acid. The composition may optionally include additives selected from the group consisting of plasticizer, peroxide curing agent, antioxidant, process additives, flame retardant and combinations thereof.
    Type: Grant
    Filed: June 27, 2014
    Date of Patent: October 9, 2018
    Assignee: DOW GLOBAL TECHNOLOGIES LLC
    Inventors: Haiyang Yu, Yanli Huo, Mohamed Esseghir, Saurav Sengupta, Jeffrey Cogen
  • PEELABLE CABLE JACKET HAVING DESIGNED MICROSTRUCTURES AND METHODS FOR MAKING PEELABLE CABLE JACKETS HAVING DESIGNED MICROSTRUCTURES
    Publication number: 20180254126
    Abstract: Coated conductors comprising a conductor and a peelable polymeric coating at least partially surrounding the conductor, where the peelable polymeric coating comprises from 1 to 8 microcapillaries which comprise an elastomeric polymer having a lower flexural modulus than the polymeric matrix material of the polymeric coating. Also disclosed are methods for making such coated conductors.
    Type: Application
    Filed: September 6, 2016
    Publication date: September 6, 2018
    Inventors: Mohamed Esseghir, Wenyi Huang, Chester J. Kmiec
  • Flexible Elastic Rubber Compounds with Improved Dielectric and Tear Strength for Cold Shrink Splices and Preparation Method Thereof
    Publication number: 20180244907
    Abstract: A cold shrink article made from a composition comprising (A) an ethylene/?-olefin interpolymer; (B) a filler; and (C) an ?,?-unsaturated carboxylic acid. The composition may optionally include additives selected from the group consisting of plasticizer, peroxide curing agent, antioxidant, process additives, flame retardant and combinations thereof.
    Type: Application
    Filed: May 1, 2018
    Publication date: August 30, 2018
    Inventors: Haiyang Yu, Yanli Huo, Mohamed Esseghir, Saurav S. Sengupta, Jeffrey M. Cogen
  • PEELABLE CABLE JACKET HAVING DESIGNED MICROSTRUCTURES AND METHODS FOR MAKING PEELABLE CABLE JACKETS HAVING DESIGNED MICROSTRUCTURES
    Publication number: 20180240570
    Abstract: Coated conductors comprising a conductor and a peelable polymeric coating at least partially surrounding the conductor, where the peelable polymeric coating comprises from 1 to 8 microcapillaries that define individual, discrete void spaces. Also disclosed are methods for making such coated conductors.
    Type: Application
    Filed: September 6, 2016
    Publication date: August 23, 2018
    Inventors: Mohamed Esseghir, Wenyi Huang, Chester J. Kmiec
  • PEELABLE CABLE JACKETS HAVING DESIGNED MICROSTRUCTURES AND METHODS FOR MAKING PEELABLE CABLE JACKETS HAVING DESIGNED MICROSTRUCTURES
    Publication number: 20180233252
    Abstract: Coated conductors comprising a conductor and a peelable polymeric coating at least partially surrounding the conductor, where the peelable polymeric coating comprises from 1 to 8 microcapillaries which comprise a low-viscosity filler material. Also disclosed are methods for making such coated conductors.
    Type: Application
    Filed: September 6, 2016
    Publication date: August 16, 2018
    Applicant: Dow Global Technologies LLC
    Inventors: Mohamed Esseghir, Wenyi Huang, Chester J. Kmiec
  • Electrically conductive, olefin multiblock copolymer compositions
    Patent number: 10026519
    Abstract: Free radically crosslinked, electrically conductive compositions exhibiting a highly stable volume resistivity comprise an olefin multiblock copolymer (OBC) and a conductive filler, e.g., a conductive carbon black. These compositions exhibit a highly stable volume resistivity relative to a composition similar in essentially all aspects save that the OBC is replaced with a conventional polyethylene of similar density and melt index.
    Type: Grant
    Filed: May 26, 2011
    Date of Patent: July 17, 2018
    Assignee: UNION CARBIDE CHEMICALS & PLASTICS TECHNOLOGY LLC
    Inventor: Mohamed Esseghir
  • Electronic Device Module Comprising an Ethylene Multi-Block Copolymer
    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
  • PROCESS FOR FOAMING POLYOLEFIN COMPOSITIONS USING AN AZODICARBONAMIDE/CITRATE MIXTURE AS A NUCLEATING AGENT
    Publication number: 20180105684
    Abstract: A process of foaming a polyolefin, e.g., polyethylene, composition using as a nucleator a combination of (A) azodicarbonamide, and (B) a mixture of (1) a first component consisting of at least one of citric acid and an alkali metal citrate, and (2) a second component consisting of at least one of an alkali metal citrate, a di-alkali metal hydrogen citrate, an alkali metal dihydrogen citrate and an alkali metal bicarbonate, with the proviso that the mixture is not solely composed of alkali metal citrate.
    Type: Application
    Filed: May 8, 2015
    Publication date: April 19, 2018
    Inventors: Gangwei Sun, Mohamed Esseghir, Xianmin Xu, Chester J. Kmiec
  • FLOODING COMPOUNDS FOR TELECOMMUNICATION CABLES
    Publication number: 20180066129
    Abstract: Flooding compounds for telecommunications cables. Such flooding compounds contain a polymeric filler and a branched olefinic fluid. The branched olefinic fluid has an average of at least 1.5 methine carbons per oligomer molecule and at least 40 methine carbons per one thousand total carbons. Additionally, the average number of carbons per molecule in the branched olefinic fluid is from 25 to 200.
    Type: Application
    Filed: March 14, 2016
    Publication date: March 8, 2018
    Applicant: Dow Global Technologies LLC
    Inventors: Mohamed Esseghir, Yichi Zhang, Brad C. Bailey, Yi Jin, Selim Yalvac
  • FLOODING COMPOUNDS FOR TELECOMMUNICATION CABLES
    Publication number: 20180051225
    Abstract: Flooding compounds for telecommunications cables. Such flooding compounds contain a polyolefin elastomer and a hydrocarbon oil. The polyolefin elastomer has a crystallinity ranging from 10 less than 50 weight percent and a dynamic viscosity of 50,000 centipoise or less at 177° C. The hydrocarbon oil has a kinematic viscosity of 200 centistokes or less at 40° C.
    Type: Application
    Filed: March 14, 2016
    Publication date: February 22, 2018
    Inventors: Yichi ZHANG, Mohamed ESSEGHIR, Chester J. KMIEC, Yi JIN, Selim YALVAC
  • CABLE JACKET HAVING DESIGNED MICROSTRUCTURES AND METHODS FOR MAKING CABLE JACKETS HAVING DESIGNED MICROSTRUCTURES
    Publication number: 20180005728
    Abstract: Coated conductors comprising a conductor and elongated polymeric coatings at least partially surrounding the conductor, where the elongated polymeric coatings comprise a polymeric matrix material and a plurality of microcapillaries containing an elastomeric polymeric material. Also disclosed are dies and methods for making such coated conductors.
    Type: Application
    Filed: August 25, 2016
    Publication date: January 4, 2018
    Inventors: Mohamed Esseghir, Wenyi Huang, Joseph Dooley, Chang Dong Lee, Saswati Pujari, Chester J. Kmiec
  • Process for Foaming Polyolefin Compositions Using a Fluororesin as a Nucleating Agent
    Publication number: 20170327676
    Abstract: A polyolefin composition is foamed by a process in which a nucleator is used, and the nucleator comprises 80% or more of unagglomerated fluororesin particles and/or agglomerates of fluororesin particles in which both the unagglomerated particles and the agglomerates are less than 1 ?m in size.
    Type: Application
    Filed: November 28, 2014
    Publication date: November 16, 2017
    Inventors: Gangwei Sun, Mohamed Esseghir, Chester J. Kmiec, Lei Ying, Yabin Sun, XianMin Xu
  • Thermal grease based on hyperbranched olefinic fluid
    Patent number: 9777205
    Abstract: Disclosed is an effective thermal grease comprising a hyperbranched olefinic fluid and a thermally conductive filler. Property-modifying additives and fillers may also be included. The hyperbranched olefinic fluid is selected to have an average of at least 1.5 methine carbons per oligomer molecule and at least 40 methine carbons per one thousand total carbons. The thermal grease exhibits a flash point of 180° C. or higher, a pour point of 0° C. or lower, and a kinematic viscosity at 40° C. of no more than 200 cSt (0.0002 m 2/s). The composition may offer improved thermal conductivity, reduced tendency to migrate, and lower cost when compared with many other thermal greases, including silicone-based thermal greases.
    Type: Grant
    Filed: September 22, 2014
    Date of Patent: October 3, 2017
    Assignee: Dow Global Technologies LLC
    Inventors: Yunfeng Yang, Hongyu Chen, Brad C. Bailey, Mohamed Esseghir, Suh Joon Han