Andrew J. Sitter

Person

Mechanicsville, VA, US

People

Patents Grantslast 30 patents

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
Melt-processible aromatic polyamide from N,N'-isophthaloyl bis lactam
- Patent number 5,136,016
- Issue date Aug 4, 1992
- E. I. Du Pont de Nemours and Company
- Gurdial Singh
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 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 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
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

Andrew J. Sitter

Person

Patents Grantslast 30 patents

Sulfur and alkali metal containing imidazole fiber having ionically...

Sulfur-containing imidazole fiber having ionically bonded halides

Process for preparing aramid copolymer yarn using a halide acid wash

Sulfur and alkali metal containing imidazole fiber having ionically...

Sulfur-containing imidazole fiber having ionically bonded halides

Process for preparing aramid copolymer yarn using an acid wash

Process for preparing aramid copolymer yarn having low residual sulfur

Method for removing sulfur from fiber using a weak base

Method for removing sulfur from fiber using an aqueous acid

Method for removing sulfur from fiber using halide acid ion exchange

Process for preparing yarn derived from aramid copolymer fiber havi...

Melt-processible aromatic polyamide from N,N'-isophthaloyl bis lactam

Patents Applicationslast 30 patents

SULFUR AND ALKALI METAL CONTAINING IMIDAZOLE FIBER HAVING IONICALLY...

SULFUR-CONTAINING IMIDAZOLE FIBER HAVING IONICALLY BONDED HALIDES

METHOD FOR REMOVING SULFUR FROM FIBER USING AN AQUEOUS ACID

PROCESS FOR PREPARING YARN DERIVED FROM ARAMID COPOLYMER FIBER HAVI...

PROCESS FOR PREPARING ARAMID COPOLYMER YARN USING AN ACID WASH

PROCESS FOR PREPARING ARAMID COPOLYMER YARN HAVING LOW RESIDUAL SULFUR

SULFUR-CONTAINING IMIDAZOLE FIBER HAVING IONICALLY BONDED HALIDES

SULFUR AND ALKALI METAL CONTAINING IMIDAZOLE FIBER HAVING IONICALLY...

METHOD FOR REMOVING SULFUR FROM FIBER USING A WEAK BASE

PROCESS FOR PREPARING ARAMID COPOLYMER YARN USING A HALIDE ACID WASH

METHOD FOR REMOVING SULFUR FROM FIBER USING HALIDE ACID ION EXCHANGE