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Joseph L. Lowery
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Midlothian, VA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Aramid copolymer yarn having low residual sulfur
Patent number
11,279,800
Issue date
Mar 22, 2022
DuPont Safety & Construction, Inc.
Christopher William Newton
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Sulfur and alkali metal containing imidazole fiber having ionically...
Patent number
10,400,357
Issue date
Sep 3, 2019
E I du Pont de Nemours and Company
Steven R. Allen
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Sulfur-containing imidazole fiber having ionically bonded halides
Patent number
10,400,082
Issue date
Sep 3, 2019
E I du Pont de Nemours and Company
Steven R. Allen
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Process for preparing aramid copolymer yarn using a halide acid wash
Patent number
10,240,282
Issue date
Mar 26, 2019
E I du Pont de Nemours and Company
Steven R. Allen
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Sulfur and alkali metal containing imidazole fiber having ionically...
Patent number
9,994,974
Issue date
Jun 12, 2018
E I du Pont de Nemours and Company
Steven R. Allen
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Sulfur-containing imidazole fiber having ionically bonded halides
Patent number
9,988,514
Issue date
Jun 5, 2018
E I du Pont de Nemours and Company
Steven R. Allen
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Process for preparing aramid copolymer yarn using an acid wash
Patent number
9,845,553
Issue date
Dec 19, 2017
E I du Pont de Nemours and Company
Steven R. Allen
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Process for preparing aramid copolymer yarn having low residual sulfur
Patent number
9,732,442
Issue date
Aug 15, 2017
E I du Pont de Nemours and Company
Steven R. Allen
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method for removing sulfur from fiber using a weak base
Patent number
9,469,922
Issue date
Oct 18, 2016
E I du Pont de Nemours and Company
Steven R. Allen
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Method for removing sulfur from fiber using an aqueous acid
Patent number
9,464,370
Issue date
Oct 11, 2016
E I du Pont de Nemours and Company
Steven R. Allen
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Method for removing sulfur from fiber using halide acid ion exchange
Patent number
9,464,380
Issue date
Oct 11, 2016
E I du Pont de Nemours and Company
Steven R. Allen
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Process for preparing yarn derived from aramid copolymer fiber havi...
Patent number
9,315,923
Issue date
Apr 19, 2016
E I du Pont de Nemours and Company
Steven R. Allen
D10 - INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEX...
Information
Patent Grant
Method for removing sulfur from fiber using halide salt ion exchange
Patent number
9,284,665
Issue date
Mar 15, 2016
E I du Pont de Nemours and Company
Christopher William Newton
D10 - INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEX...
Information
Patent Grant
Method for removing sulfur from fiber using monovalent salt ion exc...
Patent number
9,080,261
Issue date
Jul 14, 2015
E I du Pont de Nemours and Company
Steven R. Allen
D10 - INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEX...
Patents Applications
last 30 patents
Information
Patent Application
SULFUR AND ALKALI METAL CONTAINING IMIDAZOLE FIBER HAVING IONICALLY...
Publication number
20180245245
Publication date
Aug 30, 2018
E I DU PONT DE NEMOURS AND COMPANY
Steven R. Allen
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Application
SULFUR-CONTAINING IMIDAZOLE FIBER HAVING IONICALLY BONDED HALIDES
Publication number
20180244891
Publication date
Aug 30, 2018
E I DU PONT DE NEMOURS AND COMPANY
Steven R. Allen
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Application
METHOD FOR REMOVING SULFUR FROM FIBER USING MONOVALENT SALT ION EXC...
Publication number
20150073119
Publication date
Mar 12, 2015
E I DU PONT DE NEMOURS AND COMPANY
Steven R. Allen
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Application
METHOD FOR REMOVING SULFUR FROM FIBER USING HALIDE SALT ION EXCHANGE
Publication number
20150073118
Publication date
Mar 12, 2015
E I DU PONT DE NEMOURS AND COMPANY
Christopher William Newton
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Application
METHOD FOR REMOVING SULFUR FROM FIBER USING AN AQUEOUS ACID
Publication number
20150047130
Publication date
Feb 19, 2015
E I DU PONT DE NEMOURS AND COMPANY
Steven R. Allen
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Application
PROCESS FOR PREPARING YARN DERIVED FROM ARAMID COPOLYMER FIBER HAVI...
Publication number
20150021812
Publication date
Jan 22, 2015
E I DU PONT DE NEMOURS AND COMPANY
Steven R. Allen
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Application
PROCESS FOR PREPARING ARAMID COPOLYMER YARN USING AN ACID WASH
Publication number
20150007859
Publication date
Jan 8, 2015
E I DU PONT DE NEMOURS AND COMPANY
Steven R. Allen
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Application
ARAMID COPOLYMER YARN HAVING LOW RESIDUAL SULFUR
Publication number
20140357834
Publication date
Dec 4, 2014
E I DU PONT DE NEMOURS AND COMPANY
Christopher William Newton
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Application
PROCESS FOR PREPARING ARAMID COPOLYMER YARN HAVING LOW RESIDUAL SULFUR
Publication number
20140353858
Publication date
Dec 4, 2014
E I DU PONT DE NEMOURS AND COMPANY
Steven R. Allen
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Application
SULFUR-CONTAINING IMIDAZOLE FIBER HAVING IONICALLY BONDED HALIDES
Publication number
20140356610
Publication date
Dec 4, 2014
E I DU PONT DE NEMOURS AND COMPANY
Steven R. Allen
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Application
SULFUR AND ALKALI METAL CONTAINING IMIDAZOLE FIBER HAVING IONICALLY...
Publication number
20140356611
Publication date
Dec 4, 2014
E I DU PONT DE NEMOURS AND COMPANY
Steven R. Allen
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Application
METHOD FOR REMOVING SULFUR FROM FIBER USING A WEAK BASE
Publication number
20140336351
Publication date
Nov 13, 2014
E I DU PONT DE NEMOURS AND COMPANY
Steven R. Allen
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Application
PROCESS FOR PREPARING ARAMID COPOLYMER YARN USING A HALIDE ACID WASH
Publication number
20140331415
Publication date
Nov 13, 2014
E I DU PONT DE NEMOURS AND COMPANY
Steven R. Allen
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Application
METHOD FOR REMOVING SULFUR FROM FIBER USING HALIDE ACID ION EXCHANGE
Publication number
20140325767
Publication date
Nov 6, 2014
Steven R. Allen
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Application
Method of Asymmetrically Functionalizing Porous Materials
Publication number
20110064936
Publication date
Mar 17, 2011
Massachusetts Institute of Technology
Paula T. Hammond-Cunningham
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL