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: 20260109829
    Abstract: The present application discloses a foamable composition comprising 30 to 92 wt % cellulose acetate: 5 to 30 wt % of at least one plasticizer: 3 to 40 wt % of at least one natural filler; and 0) to 9 wt % of at least one physical blowing agent. The composition can be used to prepare biodegradable foam and foam articles having densities, cell sizes, mechanical and thermal properties appropriate for low and medium density foam applications.
    Type: Application
    Filed: September 21, 2023
    Publication date: April 23, 2026
    Applicant: Eastman Chemical Company
    Inventors: Yichen Fang, Goliath Beniah, Michael Eugene Donelson
  • Patent number: 12583989
    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: Grant
    Filed: June 28, 2022
    Date of Patent: March 24, 2026
    Assignee: Eastman Chemical Company
    Inventors: Paul Michael Atkinson, Michael Eugene Donelson, Xiaobo Hu
  • Patent number: 12497467
    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: Grant
    Filed: May 22, 2020
    Date of Patent: December 16, 2025
    Assignee: Exxon Mobil Product Solutions 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: 12392936
    Abstract: Provided is an optically clear protective cover plate for Human Machine Interface (HMI) touch panel displays wherein the cover plate is formed from a thermoplastic polymer comprising a high melt flow polycarbonate. The polycarbonate is characterized by a melt flow rate (MFR), or melt flow index (MFI), of between about 60 and about 80 g/10 min (ASTM D-1238, 300° C./1.2 kg).
    Type: Grant
    Filed: March 25, 2020
    Date of Patent: August 19, 2025
    Assignee: Eastman Chemical Company
    Inventors: Marcus David Shelby, Robert E. McCrary, Thomas Joseph Pecorini, Michael Gage Armstrong, Douglas Weldon Carico, Michael Eugene Donelson
  • Publication number: 20250154344
    Abstract: A melt-processable, plasticized cellulose ester composition is described. The melt-processable, plasticized cellulose ester composition of the present invention includes (i) cellulose ester; (ii) plasticizer; and (iii) a sulfonated isophthalic acid material or salt thereof. Cellulose acetate melts and melt-formed articles are also described.
    Type: Application
    Filed: February 14, 2023
    Publication date: May 15, 2025
    Applicant: Eastman Chemical Company
    Inventors: GUARAV AMARPURI, MICHAEL EUGENE DONELSON, RAHUL SHANKAR
  • Publication number: 20250145804
    Abstract: A melt-processable, plasticized cellulose ester composition is described. The melt-processable, plasticized cellulose ester composition of the present invention includes (i) cellulose ester; (ii) plasticizer; and (iii) a hydrocolloid. Cellulose acetate melts and melt-formed articles are also described.
    Type: Application
    Filed: February 14, 2023
    Publication date: May 8, 2025
    Applicant: Eastman Chemical Company
    Inventors: STEPHANIE KAY CLENDENNEN, RAHUL SHANKAR, HAMID EBRAHIMI, MICHAEL EUGENE DONELSON
  • Publication number: 20240392089
    Abstract: A cellulose acetate foam having a density of less than 0.20 g/cm3 and an average foam cell size of less than 200 micrometers is disclosed. A foamable composition, a method for foaming a foam and articles including, prepared or formed from the foam are also described.
    Type: Application
    Filed: September 1, 2022
    Publication date: November 28, 2024
    Applicant: Eastman Chemical Company
    Inventors: BETHANY MICHELLE ADEN, GAURAV AMARPURI, GOLIATH BENIAH, STEPHANIE KAY CLENDENNEN, MICHAEL EUGENE DONELSON, Yichen Fang, THILANGA PRABHASH LIYANA ARACHCHI, STEVEN THOMAS PERRI, WAYNE KEN SHIH
  • Publication number: 20240368366
    Abstract: A melt-processable, biodegradable cellulose acetate is disclosed. The melt-processable, biodegradable cellulose acetate of the present invention is characterized by a heated intrinsic viscosity (HIV) of at least 0.9. Also disclosed m is a stabilized cellulose acetate which may be characterized by a metals-to-sulfur molar ratio M/S of at least 1.35, wherein the M is the molar sum of metals selected from the group consisting of calcium, magnesium, potassium, sodium and combinations thereof and S is moles sulfur. Melt-processable, biodegradable cellulose acetate compositions; a melt-processable, biodegradable, cellulose acetate melt; and melt-formed articles are also described.
    Type: Application
    Filed: July 19, 2022
    Publication date: November 7, 2024
    Applicant: Eastman Chemical Company
    Inventors: Bethany Michelle Aden, Gaurav Amarpuri, Monika Karin Wiedmann Boggs, Michael Eugene Donelson, Nicola Anne Herndon, Thilanga Prabhash Liyana Arachchi, Steven Thomas Perri
  • Patent number: 12077656
    Abstract: A composition is provided comprising a cellulose ester component that comprises at least one cellulose ester; and an elastomeric component that comprises at least one elastomer, where the elastomeric component comprises 30 wt % or more of the composition, and where the composition is thermoplastic. Processes for producing the compositions as well as articles made using these compositions, such as automotive interior components, are also provided.
    Type: Grant
    Filed: July 17, 2019
    Date of Patent: September 3, 2024
    Assignee: Eastman Chemical Company
    Inventors: Brandon Robert Williamson, Laura Bauerle Weaver, JingJing Xu, Michael Eugene Donelson
  • 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