| Patent | Date |
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Aramid copolymer yarn having low residual sulfur
Grant 11,279,800 - Newton , et al. March 22, 2 | 2022-03-22 |
Sulfur and alkali metal containing imidazole fiber having ionically bound halides
Grant 10,400,357 - Allen , et al. Sep | 2019-09-03 |
Sulfur-containing imidazole fiber having ionically bonded halides
Grant 10,400,082 - Allen , et al. Sep | 2019-09-03 |
Process for preparing aramid copolymer yarn using a halide acid wash
Grant 10,240,282 - Allen , et al. | 2019-03-26 |
Sulfur-containing Imidazole Fiber Having Ionically Bonded Halides
App 20180244891 - Allen; Steven R. ; et al. | 2018-08-30 |
Sulfur And Alkali Metal Containing Imidazole Fiber Having Ionically Bound Halides
App 20180245245 - Allen; Steven R. ; et al. | 2018-08-30 |
Sulfur and alkali metal containing imidazole fiber having ionically bound halides
Grant 9,994,974 - Allen , et al. June 12, 2 | 2018-06-12 |
Sulfur-containing imidazole fiber having ionically bonded halides
Grant 9,988,514 - Allen , et al. June 5, 2 | 2018-06-05 |
Process for preparing aramid copolymer yarn using an acid wash
Grant 9,845,553 - Allen , et al. December 19, 2 | 2017-12-19 |
Process for preparing aramid copolymer yarn having low residual sulfur
Grant 9,732,442 - Allen , et al. August 15, 2 | 2017-08-15 |
Method for removing sulfur from fiber using a weak base
Grant 9,469,922 - Allen , et al. October 18, 2 | 2016-10-18 |
Method for removing sulfur from fiber using an aqueous acid
Grant 9,464,370 - Allen , et al. October 11, 2 | 2016-10-11 |
Method for removing sulfur from fiber using halide acid ion exchange
Grant 9,464,380 - Allen , et al. October 11, 2 | 2016-10-11 |
Process for preparing yarn derived from aramid copolymer fiber having low residual sulfur
Grant 9,315,923 - Allen , et al. April 19, 2 | 2016-04-19 |
Method for removing sulfur from fiber using halide salt ion exchange
Grant 9,284,665 - Newton , et al. March 15, 2 | 2016-03-15 |
Method for removing sulfur from fiber using monovalent salt ion exchange
Grant 9,080,261 - Allen , et al. July 14, 2 | 2015-07-14 |
Method For Removing Sulfur From Fiber Using Monovalent Salt Ion Exchange
App 20150073119 - Allen; Steven R. ; et al. | 2015-03-12 |
Method For Removing Sulfur From Fiber Using Halide Salt Ion Exchange
App 20150073118 - Newton; Christopher William ; et al. | 2015-03-12 |
Method For Removing Sulfur From Fiber Using An Aqueous Acid
App 20150047130 - Allen; Steven R. ; et al. | 2015-02-19 |
Process For Preparing Yarn Derived From Aramid Copolymer Fiber Having Low Residual Sulfur
App 20150021812 - Allen; Steven R. ; et al. | 2015-01-22 |
Process For Preparing Aramid Copolymer Yarn Using An Acid Wash
App 20150007859 - Allen; Steven R. ; et al. | 2015-01-08 |
Sulfur-containing Imidazole Fiber Having Ionically Bonded Halides
App 20140356610 - Allen; Steven R. ; et al. | 2014-12-04 |
Process For Preparing Aramid Copolymer Yarn Having Low Residual Sulfur
App 20140353858 - Allen; Steven R. ; et al. | 2014-12-04 |
Aramid Copolymer Yarn Having Low Residual Sulfur
App 20140357834 - Newton; Christopher William ; et al. | 2014-12-04 |
Sulfur And Alkali Metal Containing Imidazole Fiber Having Ionically Bound Halides
App 20140356611 - Allen; Steven R. ; et al. | 2014-12-04 |
Process For Preparing Aramid Copolymer Yarn Using A Halide Acid Wash
App 20140331415 - Allen; Steven R. ; et al. | 2014-11-13 |
Method For Removing Sulfur From Fiber Using A Weak Base
App 20140336351 - Allen; Steven R. ; et al. | 2014-11-13 |
Method For Removing Sulfur From Fiber Using Halide Acid Ion Exchange
App 20140325767 - Allen; Steven R. ; et al. | 2014-11-06 |
2,4,5-triaminophenols and related compounds
Grant 8,664,348 - Dhawan , et al. March 4, 2 | 2014-03-04 |
2,4,5-triaminophenols And Related Compounds
App 20130012679 - Dhawan; Rajiv ; et al. | 2013-01-10 |
High inherent viscosity polymers and fibers therefrom
Grant 8,263,221 - Sikkema , et al. September 11, 2 | 2012-09-11 |
Process for hydrolyzing polyphosphoric acid in a spun yarn
Grant 7,906,615 - Allen , et al. March 15, 2 | 2011-03-15 |
Process for preparing monomer complexes
Grant 7,851,584 - Sikkema , et al. December 14, 2 | 2010-12-14 |
Process for the production of polyarenazole yarn
Grant 7,776,246 - Allen , et al. August 17, 2 | 2010-08-17 |
Process For Hydrolyzing Polyphosphoric Acid In A Spun Yarn
App 20100184945 - Allen; Steven R ; et al. | 2010-07-22 |
Thermal processes for increasing polyareneazole inherent viscosities
Grant 7,754,846 - Adkins , et al. July 13, 2 | 2010-07-13 |
Processes for increasing polymer inherent viscosity
Grant 7,683,122 - Sikkema , et al. March 23, 2 | 2010-03-23 |
Process for the production of polyarenazole polymer
Grant 7,683,157 - Allen , et al. March 23, 2 | 2010-03-23 |
Processes for preparing high inherent viscosity polyareneazoles using metal powders
Grant 7,671,171 - Sikkema , et al. March 2, 2 | 2010-03-02 |
Process For Preparing Monomer Complexes
App 20090215946 - Sikkema; Doetze Jakob ; et al. | 2009-08-27 |
Process For The Production Of Polyarenazole Yarn
App 20080179776 - Allen; Steven R. ; et al. | 2008-07-31 |
Thermal processes for increasing polyareneazole inherent viscosities
App 20070100120 - Adkins; Qinghong Fu ; et al. | 2007-05-03 |
Processes for increasing polymer inherent viscosity
App 20070072993 - Sikkema; Doetze Jakob ; et al. | 2007-03-29 |
Processes for preparing high inherent viscosity polyareneazoles using metal powders
App 20070010654 - Sikkema; Doetze Jakob ; et al. | 2007-01-11 |
Process for the production of polyarenazole polymer
App 20060287475 - Allen; Steven R. ; et al. | 2006-12-21 |
High inherent viscosity polymers and fibers therefrom
App 20060280937 - Sikkema; Doetze Jakob ; et al. | 2006-12-14 |
Wet spinning process for aramid polymer containing salts
App 20050093198 - Rodini, David J. | 2005-05-05 |
Wet spinning process for aramid polymer containing salts
Grant 5,667,743 - Tai , et al. September 16, 1 | 1997-09-16 |
Process for making spun yarn
Grant 5,305,593 - Rodini , et al. April 26, 1 | 1994-04-26 |
Aramid fiber of improved hydrolytic stability
Grant 5,091,456 - Rodini February 25, 1 | 1992-02-25 |
Aromatic polyamide fibers and method of printing such fibers with acid dyes in the presence of hexamethylene diamine dihydrochloride impregnated in fiber
Grant 5,074,889 - Hodge , et al. December 24, 1 | 1991-12-24 |
Staple fibers and process for making them
Grant 5,026,603 - Rodini June 25, 1 | 1991-06-25 |
Staple fibers and process for making them
Grant 5,001,813 - Rodini March 26, 1 | 1991-03-26 |
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