Inventor

MCCOY DAVID R

US44 patents

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

MCCOY DAVID R

TEXACO INC

Reaction injection molded elastomers

Demulsification of bitumen emulsions using polymers of diquaternary ammonium monomers containing hydroxyl groups

Water-glycol fluids made from polyoxyalkylene thickeners

Secondary recovery process

Demulsification of bitumen emulsions

Demulsification of bitumen emulsions with a high molecular weight mixed alkylene oxide polyol

Demulsification of bitumen emulsions with a high molecular weight polyol containing discrete blocks of ethylene and propylene oxide

Method for demulsification of bitumen emulsions

Method for demulsification of bitumen emulsions using polyalkylene polyamine salts

Demulsification of bitumen emulsions using water soluble salts of polymers

Demulsification of bitumen emulsions using combinations of chemical agents

Process for secondary recovery

Dioxolane derivatives having surfactant properties

Rim elastomer

Polyether biguanide surfactants

Oil recovery method utilizing an alkylphenyl ether propane sulfonate

Schiff base surfactants

Glyceryl ether sulfonates for use in oil recovery fluids and processes

Oil recovery method utilizing a dicyclopentadiene derived ethoxysulfonate

Demulsification of bitumen emulsions using water soluble epoxy-containing polyethers

Epoxy resin composition

Demulsification of bitumen emulsions using salts of poly(tertiary amino)polyurethanes

Demulsification of bitumen emulsions using branched water soluble quaternary ammonium-containing polymers

Liquid phase chlorination of normal paraffins

Use of methylene azelaic acid as a corrosion inhibitor

Water base hydraulic fluid

Demulsification of bitumen emulsions

Bicyclodecyl ether sulfonates and compositions containing the same

Oil recovery method utilizing an alkylarylpolyalkoxyalkylene sulfonate

Oil recovery method utilizing a dicyclopentadiene derived ethoxysulfonate

Demulsification of bitumen emulsions using ionenes

Method for making RIM polyurethane elastomers using as the catalyst system methyldiethanolamine, dibutyltin dilaurate and an alkyltin mercaptide

Schiff bases as biocides in petroleum products

Hydrocarbon conversion

Method for the preparation of a tetraalkyl-tetraoxa-undecane

Method of preparation of sulfonated, dialkyl-substituted benzodioxoles

TEXACO CHEMICAL

Corrosion-inhibited antifreeze/coolant composition

Tetramines by amination of dialdehyde glycol adducts

Process for preparing synthetic lubricant base stocks having improved viscosity from vinylcyclohexene and long-chain olefins

TEXACO DEVELOPMENT CORP

Process for secondary recovery of hydrocarbons

Process for making ether sulfonates

HANSENS LAB INC

Method for growing acid-producing bacteria

TEXACO CANADA RESOURCES INC

Demulsification of bitumen emulsions using cationic polymers

TEXACO CANADA RESOURCES

Demulsification of bitumen emulsions using polyureas