Inventor

BISHOP MARSHALL D

US21 patents

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

BISHOP MARSHALL D

PHILLIPS PETROLEUM CO

Stable liquid suspension compositions

Stable liquid suspension compositions

Froth level measurement

Suspending medium for particulate material

Suspending medium for water soluble polymer

Stable suspensions of carboxymethyl cellulose and their preparation

Compositions and a process for preparing water dispersible polymers

Catalytic synthesis of thionocarbamates from xanthates and amines

Preparation of bis(alkylthio) alkanes or bis(arylthio) alkanes and use thereof

Clay composition containing a tannin and a method for producing bricks therefrom

CHEVRON PHILLIPS CHEMICAL CO LP

Wellbore drilling compositions

Methods for drilling wellbores using thinner compositions

Methods for drilling wellbores using thinner compositions

Wellbore drilling compositions

Drilling fluid lubricants

Sulfur-containing polyether surfactants for cement spacer fluids and other downhole applications

Sulfur-containing polyether surfactants for cement spacer fluids and other downhole applications

Combination clay stabilizer having an alkali metal asphalt sulfonate and quaternary ammonium salt

CONOCOPHILLIPS CO

Sulfonated rubber compositions and processes therefor and therewith

CHEVRON PHILLIPS CHEMICAL CO

Additives for oil-based drilling fluids

HARRIS JEFFERY R

Wellbore fluid additives and methods of producing the same