Patents Examined by Terressa Boykin
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Patent number: 11661492Abstract: A white polyester film and a method for manufacturing the same are provided. The method for manufacturing the white polyester film includes: providing a recycled polyester material; physically regenerating a part of the recycled polyester material to form physically regenerated polyester chips having a first intrinsic viscosity; chemically regenerating another part of the recycled polyester material to form chemically regenerated polyester chips having a second intrinsic viscosity less than the first intrinsic viscosity; mixing white regenerated polyester chips, the physically regenerated polyester chips, and the chemically regenerated polyester chips according to a predetermined intrinsic viscosity so as to form a polyester masterbatch material; melting and extruding the polyester masterbatch material to obtain the white polyester film having the predetermined intrinsic viscosity.Type: GrantFiled: August 13, 2021Date of Patent: May 30, 2023Assignee: NAN YA PLASTICS CORPORATIONInventors: Wen-Cheng Yang, Te-Chao Liao, Chun-Cheng Yang, Chia-Yen Hsiao, Chih-Feng Wang
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Patent number: 11654599Abstract: A method of upcycling fiber reinforced polymer source material by disassembling the source material into sections; planking the sections into longitudinal pieces; separating core material from the source material in the longitudinal pieces to make composite strips; preparing the composite strips; and remanufacturing the prepared composite strips into an article.Type: GrantFiled: May 27, 2021Date of Patent: May 23, 2023Assignee: ZED Services LLCInventor: Joshua George Zarecky
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Patent number: 11655351Abstract: The invention present invention belongs to waste polyester recycling technology field and relates to a method and a device for recycling waste polyester, in particular to a method and a device for recycling waste polyester by modified chemical method to recover waste polyester to prepare dimethyl terephthalate (DMT). The recycling method of the present invention uses a process of continuous feeding, continuous alcoholysis and continuous transesterification. It can make the material undergo homogeneous alcoholysis in the melted state, and the required alcoholysis time is short. Because more than two alcoholysis tanks are used in series for continuous alcoholysis, the product quality of alcoholysis product is stable. When the alcoholysis product is continuously transesterified, it avoids the occurrence of side reactions and the unstable quality of the transesterified product, and the purity and yield of recycling product of waste polyester are greatly improved.Type: GrantFiled: September 7, 2020Date of Patent: May 23, 2023Inventors: Huayu Fang, Enbin Zhu, Dubin Wang, Guoqing Yu, Jincheng Chen, Tianyuan Li, Jiantong Wu, Jianhua Chen, Shengyao Lin
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Patent number: 11655350Abstract: A process is provided of treating a feed comprising polyethylene terephthalate comprising dissolving said feed in a polar solvent at a temperature between about 100 to 250° C. to produce a dissolved feed; then adding an anti-solvent that is less polar than said polar solvent followed by cooling a resulting mixture resulting in precipitation of purified polyethylene terephthalate and then separation of solid purified polyethylene terephthalate from remaining liquids.Type: GrantFiled: April 16, 2021Date of Patent: May 23, 2023Assignee: UOP LLCInventors: Erin Broderick, Rodrigo Lobo, Francis Lupton, Shurong Yang, Raymond Shih, Andrea Bozzano, Hayim Abrevaya
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Patent number: 11649336Abstract: Poly(acrylic acid)-based superabsorbent polymer (SAP) in a feed stream is converted into poly(acrylic acid) (PAA) in an extensional flow device. The total energy used to degrade the SAP into PAA is less than about 50 MJ/kg SAP.Type: GrantFiled: June 8, 2021Date of Patent: May 16, 2023Assignee: The Procter & Gamble CompanyInventors: Dimitris Ioannis Collias, John Andrew McDaniel, Gary Wayne Gilbertson, Martin Ian James, Arsen Arsenov Simonyan, Jose Carlos Garcia-Garcia
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Patent number: 11639430Abstract: A black polyester film and a method for manufacturing the same are provided. The method for manufacturing the black polyester film includes: providing a recycled polyester material; physically regenerating a part of the recycled polyester material to form physically regenerated polyester chips having a first intrinsic viscosity; chemically regenerating another part of the recycled polyester material to form chemically regenerated polyester chips having a second intrinsic viscosity lower than the first intrinsic viscosity; mixing black regenerated polyester chips, the physically regenerated polyester chips, and the chemically regenerated polyester chips according to a predetermined intrinsic viscosity so as to form a polyester chip raw material; melting and then extruding the polyester chips raw material to form the black polyester film having the predetermined intrinsic viscosity.Type: GrantFiled: August 12, 2021Date of Patent: May 2, 2023Assignee: NAN YA PLASTICS CORPORATIONInventors: Wen-Cheng Yang, Te-Chao Liao, Chun-Cheng Yang, Chia-Yen Hsiao, Ching-Yao Yuan
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Patent number: 11639417Abstract: A process of preparing a compounded hydrostable poly(aliphatic ester-carbonate) includes providing a hydrostable poly(aliphatic ester-carbonate), compounding in an extruder the hydrostable poly(aliphatic ester-carbonate) and 0.05 wt % to 0.60 wt % of a multifunctional epoxide compounding stabilizer, based on the total weight of the compounded hydrostable poly(aliphatic ester-carbonate), under vacuum of 17000 to 85000 Pascals, and a torque of 30% to 75%, to provide the compounded hydrostable poly(aliphatic ester-carbonate). After compounding, at least one of the following apply: the inter-sample variability in molecular weight is less than 5%, wherein inter-sample variability is determined by comparing five 100 mil chips of the compounded hydrostable poly(aliphatic ester-carbonate); the % weight average molecular weight (MW) difference is less than 5% after hydroaging at 85° C.Type: GrantFiled: December 19, 2016Date of Patent: May 2, 2023Assignee: SHPP GLOBAL TECHNOLOGIES B.V.Inventors: Shankar Kollengodu Subramanian, Rahul Patil, James Franklin Hoover
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Patent number: 11634546Abstract: Ways of preparing a partially crystalline polycarbonate powder are provided that include dissolving an amorphous polycarbonate in a polar aprotic solvent to form a first solution of solubilized polycarbonate at a first temperature. The first solution is then cooled to a second temperature, the second temperature being lower than the first temperature, where a portion of the solubilized polycarbonate precipitates from the first solution to form a second solution including the partially crystalline polycarbonate powder. Certain partially crystalline polycarbonate powders resulting from such methods are particularly useful in additive manufacturing processes, including powder bed fusion processes.Type: GrantFiled: March 2, 2021Date of Patent: April 25, 2023Assignee: Jabil Inc.Inventors: Thomas Gardner, Travis Hislop, Victoria H. Pyle
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Patent number: 11628379Abstract: The present invention generally relates to a method of reducing contamination from plastics. The resulting purer plastic can be used in demanding applications.Type: GrantFiled: April 14, 2021Date of Patent: April 18, 2023Assignee: The Procter & Gamble CompanyInventors: Norman Scott Broyles, Dimitris Ioannis Collias, Anthony Frederick Cappel
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Patent number: 11628974Abstract: This invention provides a polymer, which is preferably a polyether polymer. The polymer may be used in coating compositions. Containers and other articles comprising the polymer and methods of making such containers and other articles are also provided. The invention further provides compositions including the polymer (e.g., powder coatings), which have utility in a variety of coating end uses, including, for example, valve and pipe coatings.Type: GrantFiled: November 20, 2020Date of Patent: April 18, 2023Assignee: SWIMC LLCInventors: Jeffrey Niederst, Richard H. Evans, Robert M. O'Brien, Kevin Romagnoli, Mark S. Von Maier
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Patent number: 11623976Abstract: A process for the production of a thermoplastic elastomer containing hard segments (a) of a polyester and soft segments (b) containing repeating units derived from an aliphatic carbonate, in which process a precursor thermoplastic elastomer is subjected to solid state post condensation at a temperature between 140 and 170° C. Also claimed is the thermoplastic elastomer.Type: GrantFiled: November 12, 2020Date of Patent: April 11, 2023Assignee: DSM IP ASSETS B.V.Inventors: Ellen Van Hemelrijck, Wilhelmus Petrus Johannes Appel
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Patent number: 11613606Abstract: A method for quenching a polymerisation process is described. The reaction of carbon dioxide with an epoxide in the presence of a bimetallic metal complex catalyst to produce a polymer comprises the quenching step of deactivation of the catalyst by contacting the catalyst with an acid effective to deactivate the catalyst. The deactivated catalyst may be removed from the polymer product by contacting the catalyst and polymer product with a solid phase and/or by precipitation; and the catalyst may also be optionally reactivated by contacting the deactivated catalyst with an anion. The acid may contain an anion effective to initiate the polymerisation process and effective to deactivate the catalyst and the molar ratio of acid to catalyst in the deactivation step may be less than or equal to 20:1 of the acid to catalyst mole ratio for the reaction.Type: GrantFiled: October 24, 2018Date of Patent: March 28, 2023Assignee: Econic Technologies LTDInventors: Michael Kember, David Muir, Anthony Chartoire, James Leeland, Fernando Valera, Andrew Carruthers, Rakibul Kabir
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Patent number: 11613622Abstract: A method for forming polyester material from recycled film including the following steps is provided: performing a film surface treatment on the recycled film to form a recycled material including polyester; fragmenting the recycled material to form a recycled chipped material, wherein the recycled chipped material has a first intrinsic viscosity; and forming the polyester material by the recycled chipped material, wherein the polyester material has a second intrinsic viscosity, and the second intrinsic viscosity is greater than the first intrinsic viscosity.Type: GrantFiled: June 23, 2021Date of Patent: March 28, 2023Assignee: NAN YA PLASTICS CORPORATIONInventors: Te-Chao Liao, Chun-Che Tsao, Wen-Jui Cheng, Yueh-Shin Liu
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Patent number: 11608422Abstract: A white polyester film and a method for manufacturing the same are provided. The white polyester film includes a physically recycled polyester resin and a chemically recycled polyester resin. The physically recycled polyester resin is formed by a plurality of physically recycled polyester chips. The chemically recycled polyester resin is formed by a plurality of chemically recycled polyester chips and mixed with the physically recycled polyester resin. The plurality of chemically recycled polyester chips further include chemically recycled electrostatic pinning polyester chips. The chemically recycled electrostatic pinning polyester chips contain electrostatic pinning additives, and the electrostatic pinning additives are metal salts. Expressed in percent by weight based on a total weight of the polyester film, a content of the electrostatic pinning additives in the polyester film is between 0.005% and 0.1% by weight. The polyester film further includes a white additive.Type: GrantFiled: March 9, 2021Date of Patent: March 21, 2023Assignee: NAN YA PLASTICS CORPORATIONInventors: Te-Chao Liao, Wen-Cheng Yang, Chun-Cheng Yang, Chia-Yen Hsiao, Ching-Yao Yuan
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Patent number: 11597836Abstract: A resin composition includes polyetheretherketone, a polyetheretherketone recycled material, and a filler, wherein a percentage of the recycled material is 25 mass % or higher with respect to a total of the polyetheretherketone and the recycled material; and the filler has a content of from 5 to 30 mass % and has an aspect ratio of from 1 to 3.Type: GrantFiled: August 8, 2019Date of Patent: March 7, 2023Inventor: Yuhei Tabuchi
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Patent number: 11596923Abstract: An algae-based thermoplastic foam is provided having a protein-rich algae biomass selected from either microalgae, macroalgae or combinations thereof. The protein content is greater than or equal to 15% by weight of the algae biomass and the algae biomass is dried to a moister content of less than or equal to 15% by weight having an average particle size of up to 200 microns. The composition includes a resin configured to exhibit rheological properties suitable for blending with algae including a melting temperature less than 250° C. and a melt flow rate in excess of 0.01 g/10 min. The foam includes a foaming ingredient selected from the group consisting of crosslinkers, compatibilizers, plasticizers, accelerants, catalysts, blowing agents, other ingredients, and combinations thereof.Type: GrantFiled: May 25, 2020Date of Patent: March 7, 2023Assignee: Algix, LLCInventors: Mark Ashton Zeller, Ryan Hunt
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Patent number: 11591448Abstract: The method for the physical reutilization of sheet-like siliconized structures comprises treating the sheet-like siliconized structure in a liquid digestion system comprising acetic anhydride and/or an acetoxysiloxane, and at least one Brønsted acid, optionally solvent, preferably with addition of acetic acid, and removing the desiliconized sheet-like structure from the liquid phase.Type: GrantFiled: February 17, 2021Date of Patent: February 28, 2023Assignee: Evonik Operations GmbHInventors: Wilfried Knott, Horst Dudzik, Dietmar Schaefer
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Patent number: 11578168Abstract: The purpose of the present invention is to provide a high temperature/humidity resistant polycarbonate resin without using bisphenol A as a raw material. The present invention relates to a polycarbonate resin comprising the repeating units of formulas (1), (2) and (3), wherein the content of the repeating unit of formula (3) is 5 mol% to 50 mol%, and the refractive index is 1.570 to 1.600. {In formula (1), R1 and R2 each represent a hydrogen atom or a C1-10 hydrocarbon group.} {In formula (3), n ranges from 0 to 8, and the R symbols are each selected from C1-3 alkyl groups}.Type: GrantFiled: March 20, 2019Date of Patent: February 14, 2023Assignee: TEIJIN LIMITEDInventors: Tatsuya Oyama, Kazuyoshi Ogasawara, Atsushi Umeki, Keisuke Sato, Manabu Matsui
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Patent number: 11578177Abstract: Provided is a method of modifying polycarbonate comprising blending the polycarbonate with composite particles, wherein the composite particles comprise (I) a crosslinked polyolefin core, and (II) a full or partial shell comprising polymerized units of one of more vinyl monomers.Type: GrantFiled: December 4, 2018Date of Patent: February 14, 2023Assignees: Dow Global Technologies LLC, Rohm and Haas Co.Inventors: Liang Chen, Andy Jun Li, Matthew Carter, Robert S. Moglia, Ralph C. Even, John F. Kohn, Carlos A. Cruz, Yannick Saint-Gerard, Douglas J. Hasso
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Patent number: 11572449Abstract: A polyester film and a method for manufacturing the same are provided. The polyester film includes a physically recycled polyester resin and a chemically recycled polyester resin. The physically recycled polyester resin is formed by a plurality of physically recycled polyester chips. The chemically recycled polyester resin is formed by a plurality of chemically recycled polyester chips and mixed with the physically recycled polyester resin. The plurality of chemically recycled polyester chips further includes chemically recycled electrostatic pinning polyester chips. The chemically recycled electrostatic pinning polyester chips contain electrostatic pinning additives, and the electrostatic pinning additives are metal salts. Expressed in percent by weight based on a total weight of the polyester film, a content of the electrostatic pinning additives in the polyester film is between 0.005% and 0.1% by weight.Type: GrantFiled: March 8, 2021Date of Patent: February 7, 2023Assignee: NAN YA PLASTICS CORPORATIONInventors: Te-Chao Liao, Wen-Cheng Yang, Chun-Cheng Yang, Chia-Yen Hsiao, Yu-Chi Hsieh