Patents by Inventor Michael Eugene Donelson

Michael Eugene Donelson 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: 20240228823
    Abstract: A biodegradable composition is disclosed. The biodegradable composition includes (i) a biodegradable polymer and (ii) a cellulose ester. Films that include or are formed from the biodegradable composition, as well as articles that include a substrate and a layer of the biodegradable composition on a surface thereof, are also described.
    Type: Application
    Filed: June 28, 2022
    Publication date: July 11, 2024
    Applicant: Eastman Chemical Company
    Inventors: Paul Michael Atkinson, Michael Eugene Donelson, Xiaobo Hu
  • Publication number: 20240218142
    Abstract: A biodegradable composition is disclosed. The biodegradable composition includes (i) a biodegradable polymer and (ii) a cellulose ester. Films that include or are formed from the biodegradable composition, as well as articles that include a substrate and a layer of the biodegradable composition on a surface thereof, are also described.
    Type: Application
    Filed: June 28, 2022
    Publication date: July 4, 2024
    Applicant: Eastman Chemical Company
    Inventors: Paul Michael Atkinson, Michael Eugene Donelson
  • Patent number: 11976138
    Abstract: The present application discloses cellulose ester compositions that are plasticizer free that can be processed at higher temperatures with reduced degradation. The cellulose ester compositions disclosed are useful for the preparation of articles, for example eyeglass frames, automotive parts, and toys.
    Type: Grant
    Filed: November 9, 2017
    Date of Patent: May 7, 2024
    Assignee: Eastman Chemical Company
    Inventors: Thomas Joseph Pecorini, Michael Eugene Donelson, Gary Michael Stack, Emerson Eston Sharpe, Jr., Wenlai Feng, Haining An
  • Publication number: 20240076476
    Abstract: Disclosed is a plasticized cellulose ester composition. The plasticized cellulose ester composition of the present invention includes at least one cellulose ester; a plasticizer system including one or more aliphatic plasticizers; and a benzotriazole ultraviolet absorber. A flooring article with at least one layer formed from the composition is also described.
    Type: Application
    Filed: October 8, 2020
    Publication date: March 7, 2024
    Applicant: Eastman Chemical Company
    Inventors: Michael Eugene Donelson, Robert Erik Young, David Wayne Compton, Everett Bryston Shepard
  • Patent number: 11905394
    Abstract: A cellulose ester composition is provided comprising at least one cellulose ester and at least one impact modifier and optionally at least one plasticizer. Processes for producing the cellulose ester compositions as well as articles made using these compositions, such as eyeglass frames, automotive parts, and toys are also provided.
    Type: Grant
    Filed: October 4, 2021
    Date of Patent: February 20, 2024
    Assignee: Eastman Chemical Company
    Inventors: Wenlai Feng, Thomas Joseph Pecorini, Michael Eugene Donelson, Haining An
  • Patent number: 11873390
    Abstract: A cellulose ester composition is provided comprising at least one cellulose ester, at least one polymeric aliphatic polyester, at least one impact modifier, and at least one monomeric plasticizer. Processes for producing the cellulose ester compositions as well as articles made using these compositions, such as eyeglass or sunglass frames and/or lenses, are also provided.
    Type: Grant
    Filed: February 13, 2019
    Date of Patent: January 16, 2024
    Assignee: Eastman Chemical Company
    Inventors: Haining An, Wenlai Feng, Michael Eugene Donelson, Thomas Joseph Pecorini
  • Patent number: 11816964
    Abstract: This invention relates to cellulose ester compositions cable of being calendered. The invention also relates to calendered films or sheets comprising the cellulose ester compositions and processes for calendering the cellulose compositions.
    Type: Grant
    Filed: July 19, 2017
    Date of Patent: November 14, 2023
    Assignee: Eastman Chemical Company
    Inventors: David Wayne Compton, Michael Eugene Donelson, James Collins Maine, Marcus David Shelby, Freddie Wayne Williams, Robert Erik Young
  • Publication number: 20230348692
    Abstract: Disclosed is a plasticized cellulose ester composition. The plasticized cellulose ester composition of the present invention includes at least one cellulose ester; at least one plasticizer; and an effective amount of a melt- strength enhancing additive. Related calendered articles and flooring articles are also described.
    Type: Application
    Filed: June 3, 2021
    Publication date: November 2, 2023
    Applicant: Eastman Chemical Company
    Inventors: Robert Erik Young, Michael Eugene Donelson
  • Publication number: 20230330971
    Abstract: Disclosed is a multilayer resilient flooring article, The multilayer resilient flooring article of the present invention includes a core layer comprising a first plasticized cellulose ester-based composition and a top layer comprising a second plasticized cellulose ester-based composition, wherein the first plasticized cellulose ester-based composition comprises a combustion suppression system. Compositions useful for example in the manufacture of multilayer resilient flooring articles are also described.
    Type: Application
    Filed: June 3, 2021
    Publication date: October 19, 2023
    Applicant: Eastman Chemical Company
    Inventors: Robert Erik Young, Michael Eugene Donelson
  • Publication number: 20230323042
    Abstract: The present application discloses a method of reducing acid and ester degradation products during calendering of cellulose ester containing plasticiser using certain additives such as primary antioxidants and metal alkanoate. The compositions comprising the additives exhibit significant reductions in acids and ester degradation products as compared to compositions not comprising the additives.
    Type: Application
    Filed: August 16, 2021
    Publication date: October 12, 2023
    Applicant: Eastman Chemical Company
    Inventors: Robert Erik Young, Michael Eugene Donelson
  • Publication number: 20230250263
    Abstract: Disclosed is a plasticized cellulose ester composition. The plasticized cellulose ester composition of the present invention includes at least one cellulose ester and a plasticizer system. The plasticizer system includes epoxidized bio-derived oil in an amount of from 2% to 32% by weight based on the total weight of the plasticizer system. Flooring articles with at least one layer formed from the composition are also described.
    Type: Application
    Filed: June 3, 2021
    Publication date: August 10, 2023
    Applicant: Eastman Chemical Company
    Inventors: Robert Erik Young, Michael Eugene Donelson
  • Publication number: 20230220186
    Abstract: Disclosed is a plasticized cellulose ester composition. The plasticized cellulose ester composition of the present invention includes a plasticized cellulose ester and an effective amount of an inorganic rheological modifier having a refractive index that differs from the refractive index of said plasticized cellulose ester an amount no more than 0.03 refractive index units. Related articles are also described.
    Type: Application
    Filed: June 3, 2021
    Publication date: July 13, 2023
    Applicant: Eastman Chemical Company
    Inventors: Robert Erik Young, Michael Eugene Donelson
  • Patent number: 11697726
    Abstract: The application discloses cellulose ester compositions comprising two or more miscible blends of cellulose ester each comprising a plurality of propionyl substituents having tunable rheology and physical properties not achievable by any one of the cellulose esters alone. These cellulose ester compositions can be further processed, with or without other materials such as plasticizers, flame retardants, and blowing agents, and converted into articles. These cellulose ester compositions have higher modulus and have low to no butyryl/butyric acid content relative to cellulose acetate butyrate (“CAB”) cellulose ester compositions made from CABs having a butyryl content of greater than 30 wt %.
    Type: Grant
    Filed: November 9, 2017
    Date of Patent: July 11, 2023
    Assignee: Eastman Chemical Company
    Inventors: Haining An, David Wayne Compton, Michael Eugene Donelson, Wesley Wayne McConnell, Jeffrey Todd Owens
  • Publication number: 20230203281
    Abstract: Disclosed is a cellulose ester-based composition, The cellulose ester-based composition of the present invention includes comprising at least 51% by weight cellulose ester based on the total weight of polymer in the composition and polyvinyl acetal. Related calendered articles and flooring articles are also described.
    Type: Application
    Filed: June 3, 2021
    Publication date: June 29, 2023
    Applicant: Eastman Chemical Company
    Inventors: Michael Eugene Donelson, Robert Erik Young
  • Patent number: 11655309
    Abstract: A shaped article comprising a polymer-based resin derived from cellulose, wherein the polymer-based resin has an HDT of at least 95° C., a bio-derived content of at least 20 wt %, a notched izod impact strength of greater than 80 J/m and at least one of the following properties chosen from: flexural modulus of greater than 1900 MPa; a spiral flow length or at least 3.0 cm; a flex creep deflection of less than 12 mm; a transmission of at least 70%; a ?E value of less than 25; or an L* color of at least 85.
    Type: Grant
    Filed: November 9, 2017
    Date of Patent: May 23, 2023
    Assignee: Eastman Chemical Company
    Inventors: Wenlai Feng, Haining An, Michael Eugene Donelson, Thomas Joseph Pecorini, Robert Ellis McCrary, Douglas Weldon Carico, Spencer Allen Gilliam
  • Publication number: 20230045673
    Abstract: Thermoformable and biodegradable cellulose acetate compositions comprising at least one cellulose acetate at least one plasticizer, and at least one additional component chosen from a filler, additive, biodegradable polymer, stabilizer, or odor modifier are disclosed. The compositions are formed into films, sheets, and articles.
    Type: Application
    Filed: January 20, 2021
    Publication date: February 9, 2023
    Applicant: Eastman Chemical Company
    Inventors: Elizabeth Kathleen Michael-Sapia, Haining An, Michael John Rodig, Michael Eugene Donelson, Kevin Michael Cable, Jos Simon De Wit, Mounir Izallalen, Koushik Ghosh, Stephanie Kay Clendennen
  • Patent number: 11555100
    Abstract: A cellulose ester composition is provided comprising at least one cellulose ester and at least one polymeric aliphatic polyester (PAP), and optionally at least one impact modifier and/or at least one monomeric plasticizer. Processes for producing the cellulose ester compositions as well as articles made using these compositions are also provided.
    Type: Grant
    Filed: February 13, 2019
    Date of Patent: January 17, 2023
    Assignee: Eastman Chemical Company
    Inventors: Haining An, Wenlai Feng, Michael Eugene Donelson, Thomas Joseph Pecorini
  • Publication number: 20220363857
    Abstract: Cellulose ester compositions for expanded foam applications are provided. Specifically, production of melt processed cellulose esters has historically been limited to standard extrusion, molding and solvent casting methods. A combination of cellulose ester formulation and selected blowing agents have been found to produce articles of good density and good dimensional stability for an expanded foam process using conventional polystyrene processing equipment.
    Type: Application
    Filed: September 24, 2020
    Publication date: November 17, 2022
    Applicant: Eastman Chemical Company
    Inventors: Michael Eugene Donelson, David Wayne Compton, Marcus David Shelby, Carlo Anthony Testa
  • Publication number: 20220227892
    Abstract: A process for preparing a recycle content cellulose ester and a recycle content cellulose ester composition comprising at least one cellulose ester having at least one substituent on an anhydroglucose unit (AU) derived from a recycle ethylene composition are provided.
    Type: Application
    Filed: May 22, 2020
    Publication date: July 21, 2022
    Applicant: Eastman Chemical Company
    Inventors: David Eugene Slivensky, Daryl Bitting, Kenny Randolph Parker, Michael Gary Polasek, William Lewis Trapp, Xianchun Wu, Wenlai Feng, Thomas Joseph Pecorini, Michael Eugene Donelson, Haining An
  • Patent number: 11351758
    Abstract: An interlayer structure having a cellulose ester layer for use in bilayer laminates is described herein. The cellulose ester layer provides rigidity and support to multilayer interlayers comprising an array of different layers. Due to the diverse properties of the cellulose ester layers, the present interlayers can be useful in producing structural laminates having high stiffness and which possess good optical clarity for a variety of applications, including outdoor structural applications and HMI devices.
    Type: Grant
    Filed: September 6, 2018
    Date of Patent: June 7, 2022
    Assignee: Solutia Inc.
    Inventors: Aristotelis Karagiannis, Michael Eugene Donelson, Khanh Duc Tran, Bruce Edward Wade, Laura Bauerle Weaver