Issued Patents All Time
Showing 1–25 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12276069 | Oxidized cellulose materials | Charles E. Courchene | 2025-04-15 |
| RE49570 | Modified cellulose from chemical kraft fiber and methods of making and using the same | Charles E. Courchene, Christopher Michael Slone, Peter R. Abitz | 2023-07-04 |
| 11661704 | Dissolving wood pulps and methods of making and using the same | Charles E. Courchene, Harry R. Bartges, James M. Keough, William A. Howell, Jeremy Carter +4 more | 2023-05-30 |
| 11111628 | Modified cellulose from chemical kraft fiber and methods of making and using the same | Charles E. Courchene, Christopher Michael Slone, Peter R. Abitz | 2021-09-07 |
| 11105042 | Dissolving wood pulps and methods of making and using the same | Charles E. Courchene, Harry R. Bartges, James M. Keough, William A. Howell, Jeremy Carter +4 more | 2021-08-31 |
| 10995155 | Cellulose composite materials and methods of making and using the same | Charles E. Courchene, Christopher Michael Slone, Blair R. Carter, Anna L. Wells, James M. Keough | 2021-05-04 |
| 10995453 | Low viscosity kraft fiber having reduced yellowing properties and methods of making and using the same | Charles E. Courchene, Phillip R. Campbell, Steven C. Dowdle, Joel M. Engle | 2021-05-04 |
| 10900177 | Oxidized cellulose containing packaging materials | Charles E. Courchene, Ernest R. Fish, Mechelli R. Campbell | 2021-01-26 |
| 10899847 | Open chain modified cellulosic pulps and methods of making and using the same | James M. Keough, Charles E. Courchene, Harry R. Bartges, Blair R. Carter | 2021-01-26 |
| 10865519 | Modified cellulose from chemical fiber and methods of making and using the same | Charles E. Courchene | 2020-12-15 |
| 10753043 | Low viscosity kraft fiber having an enhanced carboxyl content and methods of making and using the same | Charles E. Courchene, Blair R. Carter | 2020-08-25 |
| 10731293 | Modified cellulose from chemical kraft fiber and methods of making and using the same | Charles E. Courchene, Christopher Michael Slone, Peter R. Abitz | 2020-08-04 |
| 10597819 | Low viscosity kraft fiber having reduced yellowing properties and methods of making and using the same | Charles E. Courchene, Phillip R. Campbell, Steven C. Dowdle, Joel M. Engle | 2020-03-24 |
| 10550516 | Low viscosity kraft fiber having an enhanced carboxyl content and methods of making and using the same | Charles E. Courchene, Blair R. Carter | 2020-02-04 |
| 10407830 | Use of surfactant to treat pulp and improve the incorporation of kraft pulp into fiber for the production of viscose and other secondary fiber products | Charles E. Courchene, Christopher Michael Slone, Philip R. Campbell, Steven C. Dowdle, Joel M. Engle | 2019-09-10 |
| 10294614 | Low viscosity kraft fiber having an enhanced carboxyl content and methods of making and using the same | Charles E. Courchene, Blair R. Carter | 2019-05-21 |
| 10294613 | Softwood kraft fiber having improved whiteness and brightness and methods of making and using the same technical field | Charles E. Courchene, Philip R. Campbell, Steven C. Dowdle, Joel M. Engle, Christopher Michael Slone | 2019-05-21 |
| 10174455 | Low viscosity kraft fiber having an enhanced carboxyl content and methods of making and using the same | Charles E. Courchene, Blair R. Carter | 2019-01-08 |
| 10151064 | Softwood kraft fiber having an improved α-cellulose content and its use in the production of chemical cellulose products | Charles E. Courchene, Philip R. Campbell, Steven C. Dowdle, Joel M. Engle, Blair R. Carter +1 more | 2018-12-11 |
| 10138598 | Method of making a highly functional, low viscosity kraft fiber using an acidic bleaching sequence and a fiber made by the process | Charles E. Courchene | 2018-11-27 |
| 10106927 | Modified cellulose from chemical kraft fiber and methods of making and using the same | Charles E. Courchene, Christopher Michael Slone, Peter R. Abitz | 2018-10-23 |
| 10000890 | Low viscosity kraft fiber having reduced yellowing properties and methods of making and using the same | Charles E. Courchene, Phillip R. Campbell, Steven C. Dowdle, Joel M. Engle | 2018-06-19 |
| 9970158 | Modified cellulose from chemical kraft fiber and methods of making and using the same | Charles E. Courchene, Christopher Michael Slone, Peter R. Abitz | 2018-05-15 |
| 9951470 | Low viscosity kraft fiber having an enhanced carboxyl content and methods of making and using the same | Charles E. Courchene, Blair R. Carter | 2018-04-24 |
| 9926666 | Modified cellulose from chemical kraft fiber and methods of making and using the same | Charles E. Courchene, Christopher Michael Slone, Peter R. Abitz | 2018-03-27 |