Patents by Inventor Alexander Williamson

Alexander Williamson 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: 20240010772
    Abstract: The present invention is a process to modify a starting polyethylene resin composition. In the process, a starting polyethylene resin composition is extruded with at least one primary antioxidant and a free-radical generator to make a modified polyethylene resin composition.
    Type: Application
    Filed: August 18, 2021
    Publication date: January 11, 2024
    Inventors: Alexander Williamson, Rahul Sharma
  • 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: 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: 20230235156
    Abstract: Embodiments are directed towards polyolefin compositions including a high molecular weight polyolefin and a low molecular weight polyolefin.
    Type: Application
    Filed: June 4, 2021
    Publication date: July 27, 2023
    Applicants: Dow Global Technologies LLC, PBBPolisur S.R.L.
    Inventors: Alexander Williamson, Shadid Askar, Joel D. Wieliczko, Cornelis F.J. Den Doelder, Mridula Kapur, Kurt F. Hirsekorn, Evelyn Auyeung, Bo Liu, Maria C. Zandueta, John P. O'Brien, Stephanie M. Whited
  • Patent number: 11634569
    Abstract: A composition for odor control includes (A) from 85 wt % to 99.5 wt % of an olefin-based compound and (B) from 15 wt % to 0.5 wt % of an odor suppressant. The odor suppressant includes a blend of (i) an ionomer, (ii) particles of zinc oxide, and (iii) particles of copper oxide. The composition has a methyl mercaptan odor suppression value of greater than 45% as measured in accordance with ASTM D5504-12.
    Type: Grant
    Filed: August 26, 2019
    Date of Patent: April 25, 2023
    Assignee: Dow Global Technologies LLC
    Inventors: Arkady L. Krasovskiy, Kefu Sun, Keran Lu, Scott T. Matteucci, Alexander Williamson, Jose Eduardo Ruiz, Jeffrey E. Bonekamp
  • Patent number: 11492468
    Abstract: According to at least one embodiment of the present disclosure, polyethylene formulations and modified polyethylene compositions are provided. Embodiments of the polyethylene formulation may include a free radical generator; and a multimodal polyethylene composition. The multimodal polyethylene composition may include a peak in a temperature range of 95° C. to 120° C. in the elution profile via improved comonomer composition distribution (iCCD), wherein a polyethylene fraction area is an area in the elution profile beneath the peak of the polyethylene fraction between 95° C. and 120° C., and wherein the polyethylene fraction area comprises at least 20% of the total area of the elution profile and a molecular weight (Mw) of less than 80,000 g/mol in the temperature range of from 95° C. to 120° C. on an elution profile via iCCD. The modified polyethylene composition may be the reaction product of the free radical generator and the multimodal polyethylene composition.
    Type: Grant
    Filed: August 4, 2020
    Date of Patent: November 8, 2022
    Assignee: Dow Technologies LLC
    Inventors: Sanjib Biswas, Alexander Williamson, Jorge Caminero Gomes, Carol Tsai
  • Publication number: 20220056250
    Abstract: The present invention provides polyethylene-based compositions suitable for packaging applications, films, and articles. In one aspect, a polyethylene-based composition suitable for packaging applications comprises (a) at least 97% by weight, based on the total weight of the polyethylene-based composition, of a polyethylene composition comprising: (i) from 25 to 37 percent by weight of a first polyethylene fraction having a density in the range of 0.935 to 0.947 g/cm3 and a melt index (I2) of less than 0.1 g/10 minutes; and (ii) from 63 to 75 percent by weight of a second polyethylene fraction; and (b) 90 to 540 ppm, based on the total weight of the polyethylene-based composition of a calcium salt of 1,2-cyclohexanedicarboxylic acid; wherein the polyethylene composition has less than 0.10 branches per 1,000 carbon atoms when measured using 13C NMR, wherein the density of the polyethylene-based composition N is at least 0.965 g/cm3, and wherein the melt index (I2) of the polyethylene-based composition is 0.
    Type: Application
    Filed: May 1, 2020
    Publication date: February 24, 2022
    Inventors: Andrew T. Heitsch, Sanjib Biswas, Mridula Kapur, Alexander Williamson, Philip P. Fontaine, Joshua B. Gaubert, Daniel W. Baugh, III, Jin Wang, Didem Oner-Deliormanli, Hitendra K. Singh, Shadid Askar, Arnaldo T. Lorenzo, Mehmet Demirors, Vivek Kalihari
  • Publication number: 20210363337
    Abstract: A composition for odor control includes (A) from 85 wt % to 99.5 wt % of an olefin-based compound and (B) from 15 wt % to 0.5 wt % of an odor suppressant. The odor suppressant includes a blend of (i) an ionomer, (ii) particles of zinc oxide, and (iii) particles of copper oxide. The composition has a methyl mercaptan odor suppression value of greater than 45% as measured in accordance with ASTM D5504-12.
    Type: Application
    Filed: August 26, 2019
    Publication date: November 25, 2021
    Inventors: Arkady L. Krasovskiy, Kefu Sun, Keran Lu, Scott T. Matteucci, Alexander Williamson, Jose Eduardo Ruiz, Jeffrey E. Bonekamp
  • Patent number: 11161949
    Abstract: The present disclosure provides a film. In an embodiment, a film for suppressing odors is provided and includes a composition of (A) from 85 wt % to 99 wt % of a thermoplastic polymer and (B) from 15 wt % to 1 wt % of an odor suppressant. The odor suppressant is a blend composed of (Bi) particles of zinc oxide and (Bii) zinc ionomer. The zinc oxide particles (Bi) have a D50 particle size from 100 nm to 3000 nm, a surface area from 1 m2/g to 9 m2/g, and a porosity less than 0.020 m3/g. The composition has a methyl mercaptan odor suppression value less than 70 at 3 days exposure to methyl mercaptan as measured in accordance with ASTM D5504-12.
    Type: Grant
    Filed: February 22, 2019
    Date of Patent: November 2, 2021
    Assignees: Dow Global Technologies LLC, Rohm and Haas Company
    Inventors: Arkady L. Krasovskiy, Kefu Sun, Keran Lu, Scott T. Matteucci, Alexander Williamson, Jose Eduardo Ruiz, Michelle Gallagher, Harpreet Singh
  • Patent number: 11161091
    Abstract: The present disclosure provides a composition. In an embodiment, the composition includes (A) from 85 wt % to 99 wt % of an olefin-based polymer and (B) from 15 wt % to 1 wt % of an odor suppressant. The odor suppressant is a blend of (i) particles of zinc oxide, and (ii) zinc ionomer. The zinc oxide particles have a D50 particle size from 100 nm to 3000 nm, a surface area from 1 m2/g to 9 m2/g, and a porosity less than 0.020 m3/g. The composition has a methyl mercaptan odor suppression value of less than 70 at 3 days as measured in accordance with ASTM D5504-12.
    Type: Grant
    Filed: February 22, 2019
    Date of Patent: November 2, 2021
    Assignees: Dow Global Technologies LLC, Rohm and Haas Company
    Inventors: Arkady L. Krasovskiy, Kefu Sun, Keran Lu, Scott T. Matteucci, Alexander Williamson, Jose Eduardo Ruiz, Harpreet Singh, Michelle Gallagher, Jeffrey E. Bonekamp
  • Publication number: 20210040295
    Abstract: According to at least one embodiment of the present disclosure, polyethylene formulations and modified polyethylene compositions are provided. Embodiments of the polyethylene formulation may include a free radical generator; and a multimodal polyethylene composition. The multimodal polyethylene composition may include a peak in a temperature range of 95° C. to 120° C. in the elution profile via improved comonomer composition distribution (iCCD), wherein a polyethylene fraction area is an area in the elution profile beneath the peak of the polyethylene fraction between 95° C. and 120° C., and wherein the polyethylene fraction area comprises at least 20% of the total area of the elution profile and a molecular weight (Mw) of less than 80,000 g/mol in the temperature range of from 95° C. to 120° C. on an elution profile via iCCD. The modified polyethylene composition may be the reaction product of the free radical generator and the multimodal polyethylene composition.
    Type: Application
    Filed: August 4, 2020
    Publication date: February 11, 2021
    Applicant: Dow Global Technologies LLC
    Inventors: Sanjib Biswas, Alexander Williamson, Jorge Caminero Gomes, Carol Tsai
  • Patent number: 10865298
    Abstract: A composition includes polyethylene; a multifunctional co-agent having a functionality of 3 or greater, where the multifunctional co-agent is from 100 to 2000 ppm based upon the polyethylene; and a free radical generator, where the free radical generator is from 5 to 100 ppm based upon the polyethylene. Such composition may be utilized to form modified polyethylenes.
    Type: Grant
    Filed: August 31, 2016
    Date of Patent: December 15, 2020
    Assignee: Dow Global Technologies LLC
    Inventors: Yunfeng Yang, Hongyu Chen, Alexander Williamson, Kalyan Sehanobish, Jorge Caminero Gomes, Yu Cai
  • Patent number: 10844210
    Abstract: A method for increasing the melt strength and/or low shear viscosity of a polyethylene resin, the method comprising: a) providing a first polyethylene resin having a density ranging from 0.900 g/cm3 to 0.970 g/cm3, a melt index ranging from 0.01 g/10 min to 30 g/10 min, and at least 0.20 vinyl groups per 1,000 total carbons; b) providing a masterbatch composition comprising a free radical generator and a second polyethylene resin, wherein the free radical generator has a half-life at 220° C. of less than 200 seconds, and a decomposition energy higher than ?250 kJ/mol, and wherein the second polyethylene resin has a density ranging from 0.900 g/cm3 to 0.970 g/cm3, melt index ranging from 0.01 g/10 min to 100 g/10 min; and c) reacting the first polyethylene resin with the masterbatch composition to form a modified polyethylene resin.
    Type: Grant
    Filed: March 6, 2017
    Date of Patent: November 24, 2020
    Assignee: Dow Global Technologies LLC
    Inventors: Alexander Williamson, Surya Ssubramaniam, Jorge C. Gomes
  • Patent number: 10746626
    Abstract: A vibration testing system (VTS) including a vibration testing apparatus, which includes a power amplifier operatively coupled to an electrodynamic shaker. The shaker includes a vibrateable armature mechanically coupled to a payload support structure. A data logger measures and records respective values of operational parameters of the shaker over time during mechanical excitation of the payload. A controller of the VTS reads and processes logged values of the operational parameters and determines an accumulated number of armature force cycles based on the recorded values of the operational parameters. The controller computes a remaining service-life or a consumed service life of the electrodynamic shaker based on the accumulated number of armature force cycles and a predetermined service-life of the vibration testing apparatus. The controller indicates on a display of the VTS the remaining service-life or the consumed service life of the vibration testing apparatus.
    Type: Grant
    Filed: March 27, 2015
    Date of Patent: August 18, 2020
    Assignee: Bruel & Kjaer VTS Limited
    Inventors: Alexander Williamson, Tim Bidwell
  • Publication number: 20200181341
    Abstract: The present disclosure provides a film. In an embodiment, a film for suppressing odors is provided and includes a composition of (A) from 85 wt % to 99 wt % of a thermoplastic polymer and (B) from 15 wt % to 1 wt % of an odor suppressant. The odor suppressant is a blend composed of (Bi) particles of zinc oxide and (Bii) zinc ionomer. The zinc oxide particles (Bi) have a D50 particle size from 100 nm to 3000 nm, a surface area from 1 m2/g to 9 m2/g, and a porosity less than 0.020 m3/g. The composition has a methyl mercaptan odor suppression value less than 70 at 3 days exposure to methyl mercaptan as measured in accordance with ASTM D5504-12.
    Type: Application
    Filed: February 22, 2019
    Publication date: June 11, 2020
    Inventors: Arkady L. Krasovskiy, Kefu Sun, Keran Lu, Scott T. Matteucci, Alexander Williamson, Jose Eduardo Ruiz, Michelle Gallagher, Harpreet Singh
  • Publication number: 20200148940
    Abstract: The present invention relates to an in situ bitumen recovery process from oil sands. Specifically, the present invention involves the step of treating oil sands with an alkanolamine having a hydrophilic-lipophilic balance factor (HLB-factor) of 0.5 to ?2.2 as determined by summing up the Davies HLB contributions for each functional group on the substituents and applying the following equation: HLB-factor=HLB(longest chain)+0.5×HLB(second longest chain)+0.25(third longest chain).
    Type: Application
    Filed: April 16, 2018
    Publication date: May 14, 2020
    Inventors: Alexander Williamson, Cole A. Witham, Timothy J. Young
  • Publication number: 20200055018
    Abstract: The present disclosure provides a composition. In an embodiment, the composition includes (A) from 85 wt % to 99 wt % of an olefin-based polymer and (B) from 15 wt % to 1 wt % of an odor suppressant. The odor suppressant is a blend of (i) particles of zinc oxide, and (ii) zinc ionomer. The zinc oxide particles have a D50 particle size from 100 nm to 3000 nm, a surface area from 1 m2/g to 9 m2/g, and a porosity less than 0.020 m3/g. The composition has a methyl mercaptan odor suppression value of less than 70 at 3 days as measured in accordance with ASTM D5504-12.
    Type: Application
    Filed: February 22, 2019
    Publication date: February 20, 2020
    Inventors: Arkady L. Krasovskiy, Kefu Sun, Keran Lu, Scott T. Matteucci, Alexander Williamson, Jose Eduardo Ruiz, Harpreet Singh, Michelle Gallagher, Jeffrey E. Bonekamp
  • Patent number: 10465107
    Abstract: A process includes (a) injecting a steam composition into a subterranean location containing heavy hydrocarbons, preferably bitumen, wherein the steam composition comprises (i) steam and (ii) a hydroxyalkyl ammonium carboxylate and (b) recovering the heavy hydrocarbon from the subterranean location to above the ground. The process is preferably a cyclic steam stimulation (CSS) process, a steam assisted gravity drainage (SAGD), or a combination thereof.
    Type: Grant
    Filed: July 8, 2016
    Date of Patent: November 5, 2019
    Assignee: Dow Global Technologies LLC
    Inventor: Alexander Williamson
  • Publication number: 20190225786
    Abstract: A composition includes polyethylene; a multifunctional co-agent having a functionality of 3 or greater, where the multifunctional co-agent is from 100 to 2000 ppm based upon the polyethylene; and a free radical generator, where the free radical generator is from 5 to 100 ppm based upon the polyethylene. Such composition may be utilized to form modified polyethylenes.
    Type: Application
    Filed: August 31, 2016
    Publication date: July 25, 2019
    Applicant: Dow Global Technologies LLC
    Inventors: Yunfeng Yang, Hongyu Chen, Alexander Williamson, Kalyan Sehanobish, Jorge Caminero Gomes, Yu Cai