Patents by Inventor Colin Li Pi Shan

Colin Li Pi Shan 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: 20240076458
    Abstract: A process to form a rheology modified composition, the process comprising applying radiation, and optionally heat, to a composition that comprises at least the following component: a) an olefin-based polymer comprising a total unsaturation ?0.20 /1000 C; and wherein the radiation is applied using an electron beam (e-beam) at a dosage selected from 0.1 MRad to 1.5 MRad; and wherein component a is selected from a telechelic polyolefin of the formula A1L1L2A2, an unsaturated polyolefin of the formula A1L1, or an ethylene/alpha-olefin interpolymer. A process to form a rheology modified composition, the process comprising applying heat, and optionally radiation, to a composition that comprises at least the following components: a) an olefin-based polymer, as described above, comprising a total unsaturation ?0.20/1000 C; b) from 1.0 to 100 ppm of a peroxide, based on the weight of the composition.
    Type: Application
    Filed: May 11, 2022
    Publication date: March 7, 2024
    Inventors: Jeffrey C. Munro, Santosh S. Bawiskar, Colin Li Pi Shan, Alexander Williamson, Teresa P. Karjala
  • Publication number: 20240010779
    Abstract: A process to form a composition comprising an ethylene/vinylarene multiblock interpolymer, said process comprising polymerizing, in a single reactor, a mixture comprising ethylene, a vinylarene, and optionally an alpha-olefin, in the presence of at least the following a)-c): a) a first metal complex selected from the following Formula (A), as described herein: b) a second metal complex selected from the following Formula (B), as described herein, and c) a chain shuttling agent selected from the following: a dialkyl zinc, a trialkyl aluminum, or a combination thereof.
    Type: Application
    Filed: December 16, 2021
    Publication date: January 11, 2024
    Inventors: Evelyn Auyeung, Rhett A. Baillie, Thomas Wesley Karjala, JR., Zhe Zhou, Jeffrey C. Munro, Colin Li Pi Shan, Phillip D. Hustad, Tobin J. Marks, Yanshan Gao
  • Publication number: 20240010773
    Abstract: The present disclosure provides a process and resultant composition. In an embodiment, the process includes providing an ethylene/propylene/non-conjugated polyene terpolymer (EPDM) having at least 3.5 wt % non-conjugated polyene. The process includes reacting the EPDM with a metal-Lewis acid, and forming a rheology-modified EPDM. The rheology-modified EPDM has (i) a z average molecular weight (Mz) from greater than 500,000 g/mole to 10,000,000 g/mole, (ii) a Mz/Mw from 3 to 10, (iii) a g value from 0.4 to 1.0, (iv) a z value from 1.0 to 3.5, (v) a Mooney viscosity from 50 to 150, and (vi) a tan delta value from 0.1 to less than 1.0.
    Type: Application
    Filed: November 23, 2021
    Publication date: January 11, 2024
    Inventors: Lixin Sun, Guang Ming Li, Santosh S. Bawiskar, Xiaosong Wu, Colin Li Pi Shan
  • Patent number: 11866530
    Abstract: The present disclosure provides a composition. The composition can be formed into a foam composition. In an embodiment, the composition includes a neat ethylene/propylene/nonconjugated polyene interpolymer. The neat ethylene/propylene/nonconjugated polyene interpolymer includes from greater than 6.0 wt % to 15.0 wt % nonconjugated polyene. The neat ethylene/propylene/nonconjugated polyene interpolymer has the following properties: (i) a molecular weight (Mw) from 240,000 to 270,000; (ii) a Mooney viscosity (ML (1+4), 125° C.) from 85 to 95; (iii) a rheology ratio (RR) from 35 to 65; (iv) a Mw/Mn from 2.2 to 3.5; and (v) Mw<1389.6 [g/mole] MV+140,000 g/mol wherein Mw is the weight average molecular weight and MV is the Mooney Viscosity (ML 1+4, 125° C.). MV is the Mooney Viscosity (ML 1+4, 125° C.), and Mw is the weight average molecular weight, as determined by conventional GPC.
    Type: Grant
    Filed: April 30, 2019
    Date of Patent: January 9, 2024
    Assignee: Dow Global Technologies LLC
    Inventors: Xiaosong Wu, Colin Li Pi Shan, Juan C. Tuberquia, Tao Han, Guangming Li
  • Publication number: 20230272206
    Abstract: A process to form a crosslinked composition, the process comprising thermally treating a composition that comprises the following components: a) at least one olefin/silane interpolymer comprising at least one Si—H group, b) at least one peroxide, and c) optionally, at least one crosslinking coagent. A composition that comprises the following components: a) at least one olefin/silane interpolymer comprising at least one Si—H group, b) at least one peroxide, and c) optionally, at least one crosslinking coagent.
    Type: Application
    Filed: June 23, 2021
    Publication date: August 31, 2023
    Applicant: Dow Global Technologies LLC
    Inventors: Gaoxiang Wu, Yabin Sun, Shuqi Lai, Bethany M. Neilson, Colin Li Pi Shan, David S. Laitar, Jordan C. Reddel
  • Publication number: 20220411658
    Abstract: A crosslinkable polyolefin composition comprising an ethylene/alpha-olefin copolymer elastomer having a melt index from 0.6 to 6.2 grams per 10 minutes, a crosslinking effective amount of an alkenyl-functional monocyclic organosiloxane, and from 0.29 to 0.44 wt % of an organic peroxide; products made therefrom; methods of making and using same; and articles containing same.
    Type: Application
    Filed: December 11, 2020
    Publication date: December 29, 2022
    Inventors: Paul J. Brigandi, Jeffrey M. Cogen, Jeffrey C. Munro, Colin Li Pi Shan
  • Patent number: 11518842
    Abstract: Recovery times and/or airflow of flexible polyurethane foam is increased by including certain tackifiers in the foam formulation. The tackifiers are formed into an emulsion that includes a polyether containing oxyethylene groups, a nonionic surfactant and certain fumed silica, carbon black or talc particles.
    Type: Grant
    Filed: March 8, 2019
    Date of Patent: December 6, 2022
    Assignee: Dow Global Technologies LLC
    Inventors: Kaoru Aou, Qinghao Meng, Daniel L. Dermody, Hari Katepalli, William J. Harris, An Kaga, Kathleen Barnes, Colin Li Pi Shan
  • Publication number: 20220372266
    Abstract: A composition comprising the following: a) a first ethylene/alpha-olefin/non-conjugated polyene interpolymer that has a Mooney Viscosity ?50; b) a second ethylene/alpha-olefin/non-conjugated polyene interpolymer that has a Mooney Viscosity <50; c) a calcined filler formed from a filler composition comprising a kaolinite.
    Type: Application
    Filed: September 21, 2020
    Publication date: November 24, 2022
    Applicant: Dow Global Technologies LLC
    Inventors: Varun Thakur, Xiaosong Wu, Colin Li Pi Shan
  • Publication number: 20220220237
    Abstract: The present disclosure provides a composition. The composition can be formed into a foam composition. In an embodiment, the composition includes a neat ethylene/propylene/nonconjugated polyene interpolymer. The neat ethylene/propylene/non-conjugated polyene interpolymer includes from greater than 6.0 wt % to 15.0 wt % nonconjugated polyene. The neat ethylene/propylene/nonconjugated polyene interpolymer has the following properties: (i) a molecular weight (Mw) from 240,000 to 270,000; (ii) a Mooney viscosity (ML (1+4), 125° C.) from 85 to 95; (iii) a rheology ratio (RR) from 35 to 65; (iv) a Mw/Mn from 2.2 to 3.5; and (v) a Mw<1389.6 [g/mole] MV+140,000 g/mol wherein Mw is the weight average molecular weight and MV is the Mooney Viscosity (ML 1+4, 125° C.). MV is the Mooney Viscosity (ML 1+4, 125° C.), and Mw is the weight average molecular weight, as determined N by conventional GPC.
    Type: Application
    Filed: April 30, 2019
    Publication date: July 14, 2022
    Inventors: Xiaosong Wu, Colin Li Pi Shan, Juan C. Tuberquia, Tao Han, Guangming Li
  • Publication number: 20220213305
    Abstract: The present disclosure provides a composition. In an embodiment, the composition includes a neat ethylene/propylene/nonconjugated polyene interpolymer. The neat ethylene/propylene/nonconjugated polyene interpolymer includes from greater than 0 wt % to 6.0 wt % nonconjugated polyene. The neat ethylene/propylene/nonconjugated polyene interpolymer has the following properties: (i) a molecular weight (Mw) from 240,000 to 270,000; (ii) a Mooney viscosity (ML (1+4), 125° C.) from 80 to 85; (iii) a rheology ratio (RR) from 35 to 65; (iv) a Mw/Mn from 2.2 to 3.5; (v) a tan delta ratio from 0.6 to 0.9; and (vi) an absolute tan delta slope from 5.0 to less than 10.0.
    Type: Application
    Filed: April 30, 2019
    Publication date: July 7, 2022
    Inventors: Xiaosong Wu, Tao Han, Colin Li Pi Shan
  • Patent number: 11345797
    Abstract: A composition comprising an ethylene/C5-C10 alpha-olefin/non-conjugated polyene interpolymer, wherein the interpolymer meets the following relationship: Tg (° C.)?[0.625(° C./wt %)XC?55° C.], where Tg is the glass transition temperature of the interpolymer, and XC is the wt % crystallinity of the interpolymer.
    Type: Grant
    Filed: August 24, 2018
    Date of Patent: May 31, 2022
    Assignee: Dow Global Technologies LLC
    Inventors: Colin Li Pi Shan, Lixin Sun, Jeff F. Manganelli, Timothy E. Clayfield
  • Publication number: 20220081500
    Abstract: The present disclosure relates to unsaturated polyolefins and processes for preparing the same. The present disclosure further relates to curable formulations comprising the unsaturated polyolefins that show improved crosslinking.
    Type: Application
    Filed: December 27, 2019
    Publication date: March 17, 2022
    Inventors: Jeffrey C. Munro, Colin Li Pi Shan, Johnathan E. DeLorbe, Juan C. Tuberquia, Lixin Sun, Endre Szuromi, Edmund M. Carnahan
  • Publication number: 20220073540
    Abstract: The present disclosure relates to unsaturated polyolefins and processes for preparing the same. The present disclosure further relates to curable formulations comprising the unsaturated polyolefins that show improved crosslinking.
    Type: Application
    Filed: December 27, 2019
    Publication date: March 10, 2022
    Inventors: Jeffrey C. Munro, Gaoxiang Wu, Kyle G. Kummer, Haiyang Yu, Hong Yang, Hongyu Chen, Brian M. Habersberger, Lixin Sun, Colin Li Pi Shan
  • Publication number: 20220064345
    Abstract: The present disclosure relates to novel telechelic poly-olefins of the formula (I) and processes for preparing the same. The present disclosure further relates to curable formulations comprising the telechelic polyolefin of the formula (I).
    Type: Application
    Filed: December 27, 2019
    Publication date: March 3, 2022
    Inventors: Jeffrey C. Munro, Colin Li Pi Shan, Johnathan E. DeLorbe, Juan C. Tuberquia, Lixin Sun, Endre Szuromi, Edmund M. Carnahan
  • Patent number: 11261316
    Abstract: The present disclosure provides a plastic living hinge. The plastic living hinge includes a blend containing (A) an ethylene-based polymer; and (B) a composite component selected from the group consisting of a block composite, a crystalline block composite, and a combination thereof.
    Type: Grant
    Filed: June 25, 2018
    Date of Patent: March 1, 2022
    Assignee: Dow Global Technologies LLC
    Inventors: Yijian Lin, Yushan Hu, Todd A. Hogan, Colin Li Pi Shan, Keran Lu, Mridula Kapur
  • Patent number: 11155693
    Abstract: Crosslinkable polymeric compositions comprising (a) 10 to 99 weight percent of an ethylene-based interpolymer having the following properties: (i) a density of 0.93 g/cm3 or less, (ii) a high-shear viscosity (V100) at 190° C. and 10% strain of 1,200 Pa-s or less, and (iii) a shear thinning ratio (V0.1/V100) at 190° C. and 10% strain of at least 8; and (b) 0 to less than 10 weight percent of a filler, where the ethylene-based interpolymer is not prepared in a high-pressure reactor. Such crosslinkable polymeric compositions may be employed as insulation layers in flexible power cables.
    Type: Grant
    Filed: August 22, 2016
    Date of Patent: October 26, 2021
    Assignee: Dow Global Technologies LLC
    Inventors: Bharat I. Chaudhary, Juan C. Tuberquia, Rennisha Wickham, Philip P. Fontaine, Colin Li Pi Shan, Morgan M. Hughes, Jan Bazen, Edward O. Madenjian, Gregory J. Brennan
  • Patent number: 10927243
    Abstract: A modifier for forming sub-ambient temperature use containers includes (a) from 10 wt % to 50 wt % of a block composite, a specified block composite, or a crystalline block composite, (b) from 20 wt % to 90 wt % of a first polyolefin copolymer, the first polyolefin copolymer being derived from ethylene and at least one of a C3 to C10 alpha-olefin, having a melt index from 0.5 g/10 min to 1500 g/10 min, and having a density from 0.850 g/cm3 to 0.910 g/cm3, and (c) optionally, from 30 wt % to 70 wt % of a second polyolefin copolymer, the second polyolefin copolymer being derived from ethylene and at least one of a C3 to C10 alpha-olefin, having a melt index from 100 g/10 min to 2000 g/10 min, and having a density from 0.860 g/cm3 to 0.900 g/cm3.
    Type: Grant
    Filed: March 31, 2017
    Date of Patent: February 23, 2021
    Assignee: Dow Global Technologies LLC
    Inventors: Colin Li Pi Shan, Jihean Lee, Raymond L. Laakso, Jr., Yushan Hu, Eddy I. Garcia-Meitin
  • Patent number: 10870746
    Abstract: Embodiments relate to compositions comprising: (a) from 60 wt % to 90 wt % of a propylene polymer base that has a melt flow rate from 2 g/10 min to 100 g/10 min according to ASTM D1238 (230° C./2.16 kg); (b) from 2 wt % to 39.5 wt % of an olefin block copolymer; and (c) from 0.5 wt % to 20 wt % of a composite component comprising a crystalline block composite or a block composite. In certain embodiments, the composition may further comprise: (d) from 1 wt % to 30 wt % a polyolefin copolymer, the polyolefin copolymer being derived from ethylene and at least one of a C3 to C10 alpha-olefin, having a melt index from 100 g/10 min to 2000 g/10 min according to ASTM D1238 (190° C./2.16 kg), and having a density from 0.860 g/cc to 0.900 g/cc. In further embodiments, the composition may further comprise: (e) from 0.1 wt % to 5 wt % of an antioxidant.
    Type: Grant
    Filed: September 11, 2017
    Date of Patent: December 22, 2020
    Assignee: Dow Global Technologies LLC
    Inventors: Colin Li Pi Shan, Jihean Lee, Raymond L. Laakso, Jr., Eddy I. Garcia-Meitin, Yushan Hu
  • Publication number: 20200239674
    Abstract: A composition comprising an ethylene/C5-C10 alpha-olefin/non-conjugated polyene interpolymer, wherein the interpolymer meets the following relationship: Tg (° C.)?[0.625(° C./wt %)XC?55° C.], where Tg is the glass transition temperature of the interpolymer, and XC is the wt % crystallinity of the interpolymer.
    Type: Application
    Filed: August 24, 2018
    Publication date: July 30, 2020
    Inventors: Colin Li Pi Shan, Lixin Sun, Jeft F. Manganelli, Timothy E. Clayfield
  • Patent number: 10676601
    Abstract: A composition comprising from 10 wt % to 86 wt % of an ethylene component including at least one ethylene based polymer having an ethylene content of at least 50.0 wt %, a melt index from 0.1 g/10 min to 100.0 g/10 min, and a density from 0.935 g/cm3 to 0.965 g/cm3; from 10 wt % to 86 wt % of a propylene component including at least one propylene based polymer having a propylene content of at least 50.0 wt % and a melt flow rate from 0.5 g/10 min to 200.0 g/10 min; from 2 wt % to 22 wt % of an octene component including at least one octene based polymer having an octene content of at least 80 wt %; and from 2 wt % to 20 wt % of a composite component including at least one selected from the group of a crystalline block composite and a specified block composite, derived from at least ethylene and an alpha-olefin.
    Type: Grant
    Filed: September 8, 2016
    Date of Patent: June 9, 2020
    Assignee: Dow Global Technologies LLC
    Inventors: Yushan Hu, Kim L. Walton, Gary R. Marchand, Kyle Anderson, Colin Li Pi Shan