Patents by Inventor Xiaosong Wu

Xiaosong Wu 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: 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
  • Publication number: 20220169841
    Abstract: Polymer compositions include an interpolymer of ethylene, an ?-olefin, and a nonconjugated polyene; and from 10% to 40% by weight oil. The polymer composition has a Mooney viscosity from 20 to 70. The interpolymer may include from 66% to 75% by weight monomer units derived from ethylene; and from 0.5% to 10% by weight monomer units derived from the nonconjugated polyene. The neat interpolymer may have: a weight-average molecular weight Mw from 250 kDa to 300 kDa; a Mooney viscosity from 50 to 200; a rheology ratio V0.1/V100 less than 30; a ratio of molecular weight to low-shear viscosity Mw/V0.1 greater than 4.0; a polydispersity index from 2.0 to 3.5; and a tan ? at 0.1 rad/sand 190° C. greater than 2.0. The polymer compositions may be in the form of pellets having desirable flow characteristics. Thermoplastic vulcanizates may include the polymer compositions. Articles may include the thermoplastic vulcanizates.
    Type: Application
    Filed: March 29, 2019
    Publication date: June 2, 2022
    Applicant: Dow Global Technologies LLC
    Inventors: Xiaosong Wu, Colin Lipishan, Tao Han, Libo Du
  • Patent number: 11256028
    Abstract: Described herein are coated optical fibers including an optical fiber portion, wherein the optical fiber portion includes a glass core and cladding section that is configured to possesses certain mode-field diameters and effective areas, and a coating portion including a primary and secondary coating, wherein the primary coating is the cured product of a composition that possesses specified liquid glass transition temperatures, such as below ?82° C., and/or a viscosity ratios, such as between 25° C. and 85° C., of less than 13.9. Also described are radiation curable coating compositions possessing reduced thermal sensitivity, methods of coating such radiation curable coating compositions to form coated optical fibers, and optical fiber cables comprising the coated optical fibers and/or radiation curable coating compositions elsewhere described.
    Type: Grant
    Filed: November 19, 2020
    Date of Patent: February 22, 2022
    Assignee: Covestro (Netherlands) B.V.
    Inventors: Paulus Antonius Maria Steeman, Xiaosong Wu, Adrianus Cornelis Bastiaan Bogaerds, Mark Petrus Franciscus Pepels
  • Publication number: 20210277213
    Abstract: A composition comprising the following components: A) a first ethylene/alpha-olefin interpolymer with a melt index I2A; B) a second ethylene/alpha-olefin interpolymer with a melt index I2B; and wherein the difference in melt index (I2): (I2A?I2B)?400, and wherein I2B?100 g/10 min; C) a filler, and wherein the filler is present in an amount ?50 wt %, based on the weight of the composition; D) a tackifier; and wherein the melt viscosity, at 165 C, of the composition, excluding the filler (component C), is ?30,000 cP.
    Type: Application
    Filed: July 2, 2019
    Publication date: September 9, 2021
    Inventors: Stacy L. Pesek, Yushan Hu, Xiaosong Wu, Ronald J. Weeks, Miguel Alberto De Jesus Prieto
  • Publication number: 20210208334
    Abstract: Described and claimed herein are radiation curable compositions for coating an optical fiber, particularly primary coating compositions, wherein the composition possesses specified liquid glass transition temperatures, and/or viscosity ratios between, e.g., 25° C. and 85° C. Such compositions possess preferably high amounts of a reactive oligomer component with a backbone not derived from polypropylene glycol, preferably reactive oligomers with select diisocyanate constituents, one or more reactive diluent monomers, a photoinitiator, and optionally, one or more additives. Such compositions also are preferably sufficiently viscous at room temperature to ensure optimum optical fiber coating processability. Also described are methods of coating the radiation curable compositions elsewhere described, and the fiber optic coatings resulting therefrom.
    Type: Application
    Filed: December 3, 2018
    Publication date: July 8, 2021
    Inventors: Xiaosong WU, Paulus Antonius Maria STEEMAN, Adrianus Cornelis Bastiaan BOGAERDS, Mark PEPELS, Guido Joseph Elisabeth HENSEN
  • Publication number: 20210088720
    Abstract: Described herein are coated optical fibers including an optical fiber portion, wherein the optical fiber portion includes a glass core and cladding section that is configured to possesses certain mode-field diameters and effective areas, and a coating portion including a primary and secondary coating, wherein the primary coating is the cured product of a composition that possesses specified liquid glass transition temperatures, such as below ?82° C., and/or a viscosity ratios, such as between 25° C. and 85° C., of less than 13.9. Also described are radiation curable coating compositions possessing reduced thermal sensitivity, methods of coating such radiation curable coating compositions to form coated optical fibers, and optical fiber cables comprising the coated optical fibers and/or radiation curable coating compositions elsewhere described.
    Type: Application
    Filed: November 19, 2020
    Publication date: March 25, 2021
    Inventors: Paulus Antonius Maria STEEMAN, Xiaosong WU, Adrianus Cornelis Bastiaan BOGAERDS, Mark Petrus Franciscus PEPELS
  • Patent number: 10884182
    Abstract: Described herein are coated optical fibers including an optical fiber portion, wherein the optical fiber portion includes a glass core and cladding section that is configured to possesses certain mode-field diameters and effective areas, and a coating portion including a primary and secondary coating, wherein the primary coating is the cured product of a composition that possesses specified liquid glass transition temperatures, such as below ?82° C., and/or a viscosity ratios, such as between 25° C. and 85° C., of less than 13.9. Also described are radiation curable coating compositions possessing reduced thermal sensitivity, methods of coating such radiation curable coating compositions to form coated optical fibers, and optical fiber cables comprising the coated optical fibers and/or radiation curable coating compositions elsewhere described.
    Type: Grant
    Filed: June 4, 2018
    Date of Patent: January 5, 2021
    Assignee: DSM IP ASSETS B.V.
    Inventors: Paulus Antonius Maria Steeman, Xiaosong Wu, Adrianus Cornelis Bastiaan Bogaerds, Mark Petrus Franciscus Pepels
  • Publication number: 20200407532
    Abstract: A composition comprising at least the following components: A) one or more ethylene/alpha-olefin interpolymers, which comprise ?3.5 wt % of a non-conjugated diene, based on the weight of the one or more ethylene/alpha-olefin interpolymers; B) an acid acceptor selected from the following: MgO, ZnO, or combination thereof.
    Type: Application
    Filed: February 14, 2019
    Publication date: December 31, 2020
    Inventors: Guang Ming Li, Raymond L. Laakso, Jr., Yuming Lai, Xiaosong Wu
  • Publication number: 20200399456
    Abstract: A first composition comprising a first ethylene/?-olefin/diene interpolymer and a second ethylene/?-olefin interpolymer, and wherein the first composition comprises from 0.1 to 1.0 wt % diene, based on the weight of the first composition, and wherein the first composition comprises from 40 to 70 wt % ethylene, based on the weight of the first composition.
    Type: Application
    Filed: February 14, 2018
    Publication date: December 24, 2020
    Inventors: Xiaosong Wu, Guang Ming Li, Bo Lyu, Tao Han, Colin LiPiShan
  • Publication number: 20200354112
    Abstract: The present disclosure is directed to reclosable packages comprising a front wall, a rear wall, and a closure region proximate to an outer edge of the container opposite a bottom of the container. The closure region includes a plurality of seal regions forming a continuous seal between the front wall and the rear wall across a width of the package and at least one of the seal regions is nonlinear. The closure region further includes at least one unsealed region defined between the seal regions. In some reclosable packages, the application of an opening force proximate to the closure region is operable to break the continuous seal between the front wall and the rear wall across a width of the package. The seal geometry may be tuned to adjust the magnitude of opening force required.
    Type: Application
    Filed: September 20, 2018
    Publication date: November 12, 2020
    Applicants: Dow Global Technologies LLC, Rohm and Haas Company
    Inventors: Vivek Kalihari, Chuan-Yar Lai, Erica Spiekermann, Cristina Serrat, Marc S. Black, Daniel S. Woodman, Chad V. Schuette, Piyush Soni, Xiaosong Wu, Daniel W. Himmelberger, Vinita Yadav
  • Patent number: 10730223
    Abstract: The present disclosure is directed to a process for producing thermoplastic polyolefin roofing membrane. The process includes directly adding components of a high-load flame retardant TPO formulation to a counter-rotating twin screw extruder. The process includes extruding the formulation with counter-rotation of the twin screws and forming a TPO roofing membrane having a tensile strength of greater than 10 MPa and a flame retardance of rating of classification D as measured in accordance with EN ISO 11925-2, surface exposure test.
    Type: Grant
    Filed: May 8, 2018
    Date of Patent: August 4, 2020
    Assignee: Dow Global Technologies LLC
    Inventors: Aleksandar Stoiljkovic, Stefan Ultsch, Xiaosong Wu
  • Publication number: 20200216649
    Abstract: The present disclosure includes a composition that includes an ethylene/?-olefin random copolymer having density of 0.890 g/cm3 or less, a melting point of 100° C. or less, and a melt index from 0.2 g/10 min to 8.0 g/10 min, a styrenic block copolymer M comprising from 1 wt % to less than 50 wt % units of styrene, a tackifier, and an oil. The composition may exhibit an overall melt index of the composition of from 2 g/10 min to 15 g/10 min. The composition can be used as an adhesive in some embodiments. The present disclosure also includes multilayer films that include the composition, which may provide reclose functionality to the multilayer film. The multilayer films that include the composition may provide low initial opening force and improved reclose adhesion through multiple reclose cycles. The present disclosure also includes various types of reclosable packaging articles that include the multilayer films and adhesive compositions.
    Type: Application
    Filed: September 19, 2018
    Publication date: July 9, 2020
    Applicants: Dow Global Technologies LLC, Rohm and Haas Company
    Inventors: Xiaosong Wu, Chuan-Yar Lai, Daniel W. Himmelberger, Vivek Kalihari, Cristina Serrat, Vinita Yadav
  • Publication number: 20200216225
    Abstract: The present disclosure is directed to a reclosable package comprises a front wall, a rear wall, and an upper closure. At the upper closure, at least a portion of a surface of the rear wall is sealed to an exterior surface of the front wall at a first adhesion strength. According to embodiments, the application of a force greater than the first adhesion strength to the rear wall in a direction away from the front wall is operable to separate the portion of a surface of the rear wall from the exterior surface of the front wall. After, the return of the portion of the surface of the rear wall and an application of a force on the rear wall in the direction of the front wall is operable to reseal the portion of the interior surface of the rear wall to the exterior surface of the front wall.
    Type: Application
    Filed: September 21, 2018
    Publication date: July 9, 2020
    Applicants: Dow Global Technologies LLC, Rohm and Haas Company
    Inventors: Vivek Kalihari, Chuan-Yar Lai, Erica Spiekermann, Cristina Serrat, Marc S. Black, Daniel S. Woodman, Chad V. Schuette, Piyush Soni, Xiaosong Wu, Daniel W. Himmelberger, Vinita Yadav, Bruno Rufato Pereira
  • Publication number: 20200166700
    Abstract: Described herein are coated optical fibers including an optical fiber portion, wherein the optical fiber portion includes a glass core and cladding section that is configured to possesses certain mode-field diameters and effective areas, and a coating portion including a primary and secondary coating, wherein the primary coating is the cured product of a composition that possesses specified liquid glass transition temperatures, such as below ?82° C., and/or a viscosity ratios, such as between 25° C. and 85° C., of less than 13.9. Also described are radiation curable coating compositions possessing reduced thermal sensitivity, methods of coating such radiation curable coating compositions to form coated optical fibers, and optical fiber cables comprising the coated optical fibers and/or radiation curable coating compositions elsewhere described.
    Type: Application
    Filed: June 4, 2018
    Publication date: May 28, 2020
    Inventors: Paulus Antonius Maria STEEMAN, Xiaosong WU, Adrianus Cornelis Bastiaan BOGAERDS, Mark Petrus Franciscus PEPELS
  • Patent number: 10626257
    Abstract: The present disclosure provides a composition. In an embodiment, the composition includes: A) an ethylene/?-olefin multi-block copolymer having a melt index from 0.2 g/10 min to 8.0 g/10 min; B) a styrenic block polymer comprising from greater than 1 wt % to less that 50 wt % units of polymerized styrene; C) a tackifier; D) an oil; and the composition has a melt index from 3 g/10 min to 50 g/10 min. The composition is suitable for use as a pressure sensitive adhesive layer in a reclosable packaging structure.
    Type: Grant
    Filed: May 17, 2016
    Date of Patent: April 21, 2020
    Assignees: Dow Global Technologies LLC, Rohm and Haas Company
    Inventors: Xiaosong Wu, Daniel W. Himmelberger, Lamy J. Chopin, III
  • Patent number: 10526436
    Abstract: A composition comprising (A) from 10 wt % to 90 wt % of a polymeric ethylene ionomer; (B) from 10 wt % to 40 wt % of a propylene component including at least one propylene based polymer having a propylene content of at least 50.0 wt %, based on the total weight of the propylene based polymer, and a melt flow rate from 0.5 g/10 min to 200.0 g/10 min (according to ASTM D-1238 at 230° C./2.16 kg); and (C) from 5 wt % to 20 wt % of a crystalline block composite.
    Type: Grant
    Filed: March 29, 2017
    Date of Patent: January 7, 2020
    Assignee: Dow Global Technologies LLC
    Inventors: Xiaosong Wu, Ronald J. Weeks, Rennisha Wickham
  • Patent number: 10392490
    Abstract: Embodiments of this invention relate to a composition composed of at least (A) a propylene-based polymer, and (B) a filler dispersed within the propylene-based polymer, which can be used as a wear layer on a resilient flooring or other substrate, among other uses.
    Type: Grant
    Filed: June 21, 2016
    Date of Patent: August 27, 2019
    Assignee: Dow Global Technologies LLC
    Inventors: Xiaosong Wu, Ron Weeks, Rennisha Wickham
  • Patent number: 10370524
    Abstract: The invention provides a composition comprising at least the following components: A) an ethylene/?-olefin/nonconjugated polyene interpolymer that has the following properties: i) a rheology ratio (V0.1/V100 at 190° C.) greater than, or equal to, 35; ii) a weight average molecular weight (Mw) greater than, or equal to, 200,000 g/mol; and iii) a CCDB (Chemical Composition Distribution Breadth) less than 7; B) a thermoplastic polymer; C) a vulcanization agent; and wherein the interpolymer comprises incorporated oil. The invention also provides a composition comprising the following: A) a first composition comprising: a) a first ethylene/?-olefin/nonconjugated polyene interpolymer; b) a second ethylene/?-olefin/nonconjugated polyene interpolymer; and wherein the first composition has the following properties: i) an MWD less than, or equal to, 3.5, ii) a Mooney Viscosity (ML (1+4, 125° C.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: August 6, 2019
    Assignee: Dow Global Technologies LLC
    Inventors: Xiaosong Wu, Colin Li Pi Shan
  • Patent number: 10344154
    Abstract: A thermoplastic vulcanizate composition includes (A) greater than 15 wt % of a block composite that has (i) an ethylene/alpha-olefin/diene interpolymer in which the alpha-olefin is an alpha olefin monomer having from 3 to 10 carbon atoms and the diene is a diene monomer having from 2 to 25 carbon atoms, (ii) a propylene based polymer, and (iii) a block copolymer comprising a soft block and a hard block in which the soft block has the same composition as the ethylene/alpha-olefin/diene polymer and the hard block has the same composition as the propylene based polymer; and (B) a remainder of a curative system and optionally at least one of a vulcanizable elastomer, a thermoplastic polyolefin, and an oil.
    Type: Grant
    Filed: December 11, 2015
    Date of Patent: July 9, 2019
    Assignee: Dow Global Technologies LLC
    Inventors: Xiaosong Wu, Colin Li Pi Shan, Kim L. Walton, Gary R. Marchand
  • 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