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Inventor profile of:

DAVID WILLIAM JOHNSON

City:

WASHINGTON, West Virginia

Country:

United States

Published Applications:

Last publication date:

2014-02-20

Top Assignees for applications by DAVID WILLIAM JOHNSON

The entities that hold a legal rights for patent applications filed by inventor JOHNSON DAVID WILLIAM:

E.I. DU PONT DE NEMOURS AND COMPANY 8 Wilmington, DE United States
E. I. DU PONT DE NEMOURS AND COMPANY 5 Wilmington, DE United States

Recent patent applications by JOHNSON DAVID WILLIAM

DAVID WILLIAM JOHNSON from WASHINGTON, US has applied for patents for these inventions. The list has both pending applications and granted patents:

#1 | 2014-02-20

US20140048490A1

Chemistry; metallurgy

TREATING WASTEWATER BY ULTRAFILTRATION IN FLUOROPOLYMER RESIN MANUFACTURE

#2 | 2010-11-11

US20100286330A1

Chemistry; metallurgy

Thermal reduction of fluoroether carboxylic acids or salts from fluoropolymer dispersions

#3 | 2010-04-15

US20100093894A1

Chemistry; metallurgy

Removing fluorosurfactant from aqueous fluoropolymer dispersions using anion exchange polymer with functional groups resistant to degradation to trialkyl amines

#4 | 2010-04-15

US20100093893A1

Chemistry; metallurgy

Removing fluorosurfactant from aqueous fluoropolymer dispersions using anion exchange polymer with functional groups resistant to degradation to trialkylamines

#5 | 2008-06-12

US20080135488A1

Performing operations; transporting

Process for removing fluorosurfactant from an aqueous fluoropolymer dispersion using sorbent pouches

#6 | 2007-12-06

US20070282055A1

Chemistry; metallurgy

Process for reducing fluorosurfactant content of fluropolymer dispersions using anionic surfactant-treated anion exchange resin

#7 | 2007-12-06

US20070282054A1

Chemistry; metallurgy

Staged addition of non-fluorinated anionic surfactant to reduced fluorosurfactant fluoropolymer dispersion

#8 | 2007-02-01

US20070023360A1

Performing operations; transporting

Removing fluorosurfactant from aqueous fluoropolymer dispersion using sorbent pouches

#9 | 2006-11-23

US20060264537A1

Chemistry; metallurgy

Core/shell fluoropolymer dispersions with low fluorosurfactant content

#10 | 2006-08-17

US20060183842A1

Chemistry; metallurgy

Fluoropolymer dispersions with reduced fluorosurfactant content and high shear stability

#11 | 2006-08-10

US20060178472A1

Chemistry; metallurgy

Process for producing low fluorosurfactant-containing aqueous fluoropolymer dispersions with controlled pH

#12 | 2006-08-10

US20060175261A1

Chemistry; metallurgy

Monitoring column breakthrough in a process for removing fluorosurfactant from aqueous fluoropolymer dispersions

#13 | 2006-07-06

US20060148972A1

Chemistry; metallurgy

Removing fluorosurfactant from aqueous fluoropolymer dispersions using anion exchange polymer with functional groups resistant to degradation to trialkylamines

#14 | 2006-06-22

US20060135680A1

Chemistry; metallurgy

Process for removing fluorosurfactant from aqueous fluoropolymer dispersions and reducing scum formation

#15 | 2006-02-16

US20060036021A1

Performing operations; transporting

Removing fluorosurfactant from aqueous fluoropolymer dispersions

InventorID:

655155 ⎘