Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11279800 | Aramid copolymer yarn having low residual sulfur | Christopher William Newton, David J. Rodini, Joseph Lenning Lowery, Steven R. Allen | 2022-03-22 |
| 10400357 | Sulfur and alkali metal containing imidazole fiber having ionically bound halides | Steven R. Allen, Joseph Lenning Lowery, Christopher William Newton, David J. Rodini, Andrew J. Sitter | 2019-09-03 |
| 10400082 | Sulfur-containing imidazole fiber having ionically bonded halides | Steven R. Allen, Joseph Lenning Lowery, Steven Raymond Lustig, Christopher William Newton, David J. Rodini +1 more | 2019-09-03 |
| 10240282 | Process for preparing aramid copolymer yarn using a halide acid wash | Steven R. Allen, Joseph Lenning Lowery, Christopher William Newton, David J. Rodini, Andrew J. Sitter | 2019-03-26 |
| 9994974 | Sulfur and alkali metal containing imidazole fiber having ionically bound halides | Steven R. Allen, Joseph Lenning Lowery, Christopher William Newton, David J. Rodini, Andrew J. Sitter | 2018-06-12 |
| 9988514 | Sulfur-containing imidazole fiber having ionically bonded halides | Steven R. Allen, Joseph Lenning Lowery, Steven Raymond Lustig, Christopher William Newton, David J. Rodini +1 more | 2018-06-05 |
| 9845553 | Process for preparing aramid copolymer yarn using an acid wash | Steven R. Allen, Joseph Lenning Lowery, Christopher William Newton, David J. Rodini, Andrew J. Sitter | 2017-12-19 |
| 9732442 | Process for preparing aramid copolymer yarn having low residual sulfur | Steven R. Allen, Joseph Lenning Lowery, Steven Raymond Lustig, Christopher William Newton, David J. Rodini +1 more | 2017-08-15 |
| 9469922 | Method for removing sulfur from fiber using a weak base | Steven R. Allen, Joseph Lenning Lowery, Steven Raymond Lustig, Christopher William Newton, David J. Rodini +1 more | 2016-10-18 |
| 9464370 | Method for removing sulfur from fiber using an aqueous acid | Steven R. Allen, Joseph Lenning Lowery, Steven Raymond Lustig, Christopher William Newton, David J. Rodini +1 more | 2016-10-11 |
| 9464380 | Method for removing sulfur from fiber using halide acid ion exchange | Steven R. Allen, Joseph Lenning Lowery, Steven Raymond Lustig, Christopher William Newton, David J. Rodini +1 more | 2016-10-11 |
| 9315923 | Process for preparing yarn derived from aramid copolymer fiber having low residual sulfur | Steven R. Allen, Joseph Lenning Lowery, Steven Raymond Lustig, Christopher William Newton, David J. Rodini +1 more | 2016-04-19 |
| 9284665 | Method for removing sulfur from fiber using halide salt ion exchange | Christopher William Newton, David J. Rodini, Joseph Lenning Lowery, Steven R. Allen | 2016-03-15 |
| 9080261 | Method for removing sulfur from fiber using monovalent salt ion exchange | Steven R. Allen, Joseph Lenning Lowery, Christopher William Newton, David J. Rodini | 2015-07-14 |
| 8166743 | Spun staple yarns made from blends of rigid-rod fibers and fibers derived from diamino diphenyl sulfone and fabrics and garments made therefrom and methods for making same | Reiyao Zhu | 2012-05-01 |
| 8133827 | Fibers comprising copolymers containing structures derived from 4,4 diamino diphenyl sulfone and a plurality of acid monomers and methods of making same | — | 2012-03-13 |
| 8118975 | Papers containing fibrids derived from diamino diphenyl sulfone | Mikhail R. Levit, Gary Lee Hendren | 2012-02-21 |
| 8114251 | Papers containing fibrids derived from diamino diphenyl sulfone | Mikhail R. Levit, Gary Lee Hendren | 2012-02-14 |
| 7955692 | Protective garment comprising fibers comprising copolymers containing structures derived from a plurality of amine monomers including 4,4′ diamino diphenyl sulfone | — | 2011-06-07 |
| 7803247 | Papers containing floc derived from diamino diphenyl sulfone | Mikhail R. Levit, Gary Lee Hendren | 2010-09-28 |
| 7749601 | Flame resistant spun staple yarns made from blends of fibers derived from diamino diphenyl sulfone, low thermal shrinkage fibers, flame resistant fibers, and antistatic fibers and fabrics and garments made therefrom and methods for making same | Reiyao Zhu | 2010-07-06 |
| 7700190 | Flame resistant spun staple yarns made from blends of fibers derived from diamino diphenyl sulfone and textile fibers and fabrics and garments made therefrom and methods for making same | Reiyao Zhu, Roger Parry, Debbie Guckert, Yves Bader | 2010-04-20 |
| 7700191 | Flame resistant spun staple yarns made from blends of fibers derived from diamino diphenyl sulfone and high modulus fibers and fabrics and garments made therefrom and methods for making same | Reiyao Zhu | 2010-04-20 |
| 7618707 | Flame resistant spun staple yarns made from blends of fibers derived from diamino diphenyl sulfone and modacrylic fibers and fabrics and garments made therefrom and methods for making same | Reiyao Zhu | 2009-11-17 |
| 7537831 | Flame resistant spun staple yarns made from blends of fibers derived from diamino diphenyl sulfone and modacrylic fibers and fabrics and garments made therefrom and methods for making same | Reiyao Zhu, Debbie Guckert | 2009-05-26 |