Inventor

David J. Rodini

Inventor

Midlothian, VA, US

Overview

33→

Patents

1990–2019

Patent span

Textiles

Primary field (CPC D)

Patents· 33 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

D01Fprimary

D01FChemical features in the manufacture of artificial filaments, threads, fibres, bristles or ribbons24%

D01DMechanical methods or apparatus in the manufacture of artificial filaments, threads, fibres, bristles or ribbons17%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds9%

Y10TTechnical subjects covered by former us classification9%

D10BIndexing scheme associated with sublasses of section d, relating to textiles7%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients5%

D02GCrimping or curling fibres, filaments, threads, or yarns5%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%

D06MTreatment, not provided for elsewhere in class d06, of fibres, threads, yarns, fabrics, feathers or fibrous goods made from such materials4%

D06PDyeing or printing textiles4%

PatentTitleYear

10,400,082Sulfur-containing imidazole fiber having ionically bonded halides2019 10,400,357Sulfur and alkali metal containing imidazole fiber having ionically bound halides2019 10,240,282Process for preparing aramid copolymer yarn using a halide acid wash2019 9,994,974Sulfur and alkali metal containing imidazole fiber having ionically bound halides2018 9,988,514Sulfur-containing imidazole fiber having ionically bonded halides2018 9,845,553Process for preparing aramid copolymer yarn using an acid wash2017 9,732,442'Process for preparing aramid copolymer yarn having low residual sulfur'2017 9,469,922'Method for removing sulfur from fiber using a weak base'2016 9,464,370'Method for removing sulfur from fiber using an aqueous acid'2016 9,464,380'Method for removing sulfur from fiber using halide acid ion exchange'2016 9,315,923'Process for preparing yarn derived from aramid copolymer fiber having low residual sulfur'2016 9,284,665'Method for removing sulfur from fiber using halide salt ion exchange'2016 9,080,261'Method for removing sulfur from fiber using monovalent salt ion exchange'2015 8,664,348'2,4,5-triaminophenols and related compounds'2014 8,263,221'High inherent viscosity polymers and fibers therefrom'2012 7,906,615'Process for hydrolyzing polyphosphoric acid in a spun yarn'2011 7,851,584'Process for preparing monomer complexes'2010 7,776,246'Process for the production of polyarenazole yarn'2010 7,754,846'Thermal processes for increasing polyareneazole inherent viscosities'2010 7,683,157'Process for the production of polyarenazole polymer'2010 7,683,122'Processes for increasing polymer inherent viscosity'2010 7,671,171'Processes for preparing high inherent viscosity polyareneazoles using metal powders'2010 5,667,743'Wet spinning process for aramid polymer containing salts'1997 5,340,519'Preparation of poly(m-phenylene isophthalamide) filaments'1994 5,308,496'Resin regeneration process'1994 5,305,593'Process for making spun yarn'1994 5,300,122'Coloration of pekk fibers'1994 5,091,456'Aramid fiber of improved hydrolytic stability'1992 5,074,889'Aromatic polyamide fibers and method of printing such fibers with acid dyes in the presence of hexamethylene diamine dihydrochloride impregnated in fiber'1991 5,026,603'Staple fibers and process for making them'1991 5,001,813'Staple fibers and process for making them'1991 4,980,031'Solvent recovery'1990 4,919,869'Apparatus for and process of treating shrinkable fibers'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–2019Patents assigned to DU PONT (33)· patent assignee history

1990–2019Based in Midlothian, VA, US· patent location history

1990Based in Richmond, VA, US· patent location history

2012–2019Patents assigned to ALLEN STEVEN R (13)· patent assignee history

2012–2019Patents assigned to RODINI DAVID J (13)· patent assignee history

2012–2019Patents assigned to NEWTON CHRISTOPHER WILLIAM (12)· patent assignee history

2015–2019Patents assigned to GABARA VLODEK (11)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
DU PONT	33	1990–2019
ALLEN STEVEN R	13	2012–2019
RODINI DAVID Jself	13	2012–2019
NEWTON CHRISTOPHER WILLIAM	12	2012–2019
GABARA VLODEK	11	2015–2019

Locations

Location	Patents	Span
Midlothian, Virginia, US	32	1990–2019
Richmond, Virginia, US	1	1990