Patents by Inventor Chongsoo Lim

Chongsoo Lim 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: 20230125570
    Abstract: A polymeric composition includes a silane functionalized polyolefin, a brominated flame retardant having a Temperature of 5% Mass Loss from 300° C. to 700° C. as measured according to Thermogravimetric Analysis, wherein the brominated flame retardant is polymeric and has a weight average molecular weight of from 1,000 g/mol to 30,000 g/mol as measured using Gel Permeation Chromatography, and antimony trioxide. The polymeric composition has an antimony (Sb) to bromine (Br) molar ratio (Sb:Br molar ratio) of 0.35 to 0.98.
    Type: Application
    Filed: July 1, 2021
    Publication date: April 27, 2023
    Inventors: Chongsoo Lim, Andrew B. Shah, Bharat I. Chaudhary
  • Publication number: 20230130450
    Abstract: A method of melt blending a flame-retardant composition includes the steps: (a) heating a polymeric brominated flame retardant to a temperature of 5° C. or greater above the polymeric brominated flame retardants glass transition temperature as measured by Differential Scanning calorimetry, wherein the polymeric brominated flame retardant has a Temperature of 5% Mass Loss from 300° C. to 700° C. as measured according to Thermogravimetric Analysis; (b) mixing a polyolefin into the polymeric brominated flame retardant after step (a); and (c) mixing an inorganic filler into the polyolefin and polymeric brominated flame retardant after step (b) to form the flame-retardant composition.
    Type: Application
    Filed: July 1, 2021
    Publication date: April 27, 2023
    Inventors: Chongsoo Lim, Andrew B. Shah, Bharat I. Chaudhary
  • Publication number: 20230059373
    Abstract: A polymeric composition includes a silane functionalized polyolefin; a brominated flame retardant having a Temperature of 5% Mass Loss from 350° C. to 500° C. and from 2 wt % to 50 wt % Retained Mass at 650° C., wherein the 5% Mass Loss and Retained Mass at 650° C. are measured according to Thermogravimetric Analysis; and antimony trioxide, wherein the polymeric composition has an antimony (Sb) to bromine (Br) molar ratio (Sb:Br molar ratio) of greater than 0.0 to 0.35. A coated conductor may be formed using the polymeric composition.
    Type: Application
    Filed: April 12, 2021
    Publication date: February 23, 2023
    Inventors: Bharat I. Chaudhary, Andrew B. Shah, Chongsoo Lim
  • Publication number: 20230033422
    Abstract: A polymeric composition includes a silane functionalized polyolefin, a brominated flame retardant having a Temperature of 5% Mass Loss from 350° C. to 500° C. and from 2 wt % to 50 wt % Retained Mass at 650° C. The 5% Mass Loss and Retained Mass at 650° C. are measured according to Thermogravimetric Analysis. The polymeric composition also includes a zinc (Zn) flame retardant synergist. The polymeric composition is free of antimony trioxide and has a zinc to bromine (Br) molar ratio (Zn:Br molar ratio) of greater than 0.0 to 0.160.
    Type: Application
    Filed: April 12, 2021
    Publication date: February 2, 2023
    Inventors: Bharat I. Chaudhary, Andrew B. Shah, Chongsoo Lim
  • Publication number: 20140370383
    Abstract: Disclosed is a composition comprising an ethylene copolymer and a halogenated polymer, wherein the ethylene copolymer comprises or is produced from repeat units derived from ethylene and a comonomer selected from the group consisting of an ?,?-unsaturated monocarboxylic acid or its derivative, an ?,?-unsaturated dicarboxylic acid or its derivative, an epoxide-containing monomer, a vinyl ester, or combinations of two or more thereof; and the composition can further comprise a curing agent to crosslink the ethylene copolymer. The composition is useful as a binder for a lithium ion battery.
    Type: Application
    Filed: June 11, 2014
    Publication date: December 18, 2014
    Inventors: CHONGSOO LIM, Daniel P. Fore
  • Publication number: 20140370382
    Abstract: Disclosed is a composition comprising an ethylene copolymer and a polyetherimide, polyamideimide, polycarbonate, polyetheretherketone, polysulfone or polyethersulfone wherein the ethylene copolymer comprises or is produced from repeat units derived from ethylene and a comonomer selected from the group consisting of an ?,?-unsaturated monocarboxylic acid or its derivative, an ?,?-unsaturated dicarboxylic acid or its derivative, an epoxide-containing monomer, a vinyl ester, or combinations of two or more thereof; and the composition can further comprise a curing agent to crosslink the ethylene copolymer. The composition is useful as a binder for a lithium ion battery.
    Type: Application
    Filed: June 11, 2014
    Publication date: December 18, 2014
    Inventor: CHONGSOO LIM
  • Publication number: 20140312268
    Abstract: Disclosed is a composition comprising an ethylene elastomer and a solvent wherein the composition is a binder for a lithium ion battery; the elastomer comprises or is produced from repeat units derived from ethylene and one or more comonomer selected from the group consisting of an alky(meth)acrylate; and the elastomer comprises a curing agent. The elastomer can further comprise or can be further produced from repeat units derived from a second alky (meth)acrylate, 2-butene-1,4-dioic acid or its derivative, or both.
    Type: Application
    Filed: April 23, 2014
    Publication date: October 23, 2014
    Applicant: E I DU PONT DE NEMOURS AND COMPANY
    Inventor: Chongsoo Lim
  • Publication number: 20140312282
    Abstract: Disclosed is a composition comprising an ethylene copolymer and a solvent wherein the composition is a binder for a lithium ion battery; the ethylene copolymer comprises or is produced from repeat units derived from ethylene and a comonomer selected from the group consisting of an ?, ?-unsaturated monocarboxylic acid or its derivative, an ?, ?-unsaturated dicarboxylic acid or its derivative, an epoxide-containing monomer, a vinyl ester, or combinations of two or more thereof; and the composition can further comprises a curing agent to crosslink the ethylene copolymer.
    Type: Application
    Filed: April 23, 2014
    Publication date: October 23, 2014
    Applicant: E I DU PONT DE NEMOURS AND COMPANY
    Inventor: Chongsoo Lim