Inventor

JOHNSON DAVID WILLIAM

US32 patents

⚠️ This page may combine multiple inventors who share the name “JOHNSON DAVID WILLIAM”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

JOHNSON DAVID WILLIAM

JOHNSON DAVID WILLIAM

Methyl methacrylate purification process

Priming valve system for pre-priming centrifugal pump intakes

Mixed oxide catalyst and a process for the production of ethylenically unsaturated carboxylic acids or esters

Thermal reduction of fluoroether carboxylic acids or salts from fluoropolymer dispersions

Production of ethylenically unsaturated acids or esters thereof

Process for the production of (meth)acrylic acid and derivatives and polyers produced therefrom

Process for the production of methacrylic acid and its derivatives and polymers produced therefrom

Method of producing arcylic and methacrylic acid

DU PONT

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

Core/shell fluoropolymer dispersions with low fluorosurfactant content

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

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

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

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

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

Removing fluorosurfactant from aqueous fluoropolymer dispersions

LUCITE INT UK LTD

Metal-compound catalyzed processes

Catalysts for the production of unsaturated acids or esters

Production of unsaturated acids or esters thereof

Process for the production of (meth)acrylic acid and derivatives and polymers produced therefrom

Process for the production of methyl methacrylate

Process for the production of ethylenically unsaturated carboxylic acids or esters

MITSUBISHI CHEMICAL UK LTD

Catalyst and a process for the production of ethylenically unsaturated carboxylic acids or esters

Catalyst and a process for the production of ethylenically unsaturated carboxylic acids or esters

Methods for the production of methacrylates

Catalyst and a process for the production of ethylenically unsaturated carboxylic acids or esters

Process for the production of methyl methacrylate

COMBES JAMES R

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

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

SHELL OIL CO

Cobalt-catalyzed process for preparing 1,3-propanidiol

WATEROUS CO

Proportional dynamic ratio control for compressed air foam delivery

VOG GLOBAL LLC

Fabric with a stylized-v armor pattern