Inventor

PEIFFER DENNIS G

US106 patents

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

PEIFFER DENNIS G

EXXON RESEARCH ENGINEERING CO

Mixtures of colloidal rod-like viscoelastic fluids and anionic-alkyl containing copolymers

Controlled hydraulic fracturing via nonaqueous solutions containing low charge density polyampholytes

Nanocomposite materials (LAW392)

Sulfonated unhydrogenated copolymers of styrene and butadiene

Polymerizable cationic visco-elastic monomer fluids

Cationic hydrophobic monomers and polymers

Viscoelastic fluids formed through the interaction of polymerizable vesicles and alkyl-containing polymers (C-2381)

Drag reduction agent utilizing water soluble interpolymer complexes

Drag reduction agents for aqueous salt solutions

Polymer-modified functionalized asphalt compositions and methods of preparation (C-2747)

Novel viscosifiers for salt-containing solutions based on polymer complexes

Zwitterionic functionalized polymers as deflocculants in water based drilling fluids

Graft copolymers containing ionomer units

Thermally stable borehole fluids

Polymerizable cationic viscoelastic monomer fluids

Elastomeric toughened polyethylene blends

Method for controlling viscosity of organic liquids and compositions

Drag reduction with novel hydrocarbon soluble polyampholytes

Intramolecular polymer complexes - viscosifiers for high ionic strength drilling fluids

Dilatant behavior of interpolymer complexes in aqueous solution

Drilling fluids based on a mixture of a sulfonated thermoplastic polymer and a sulfonated elastomeric polymer

Fluid loss control in oil field cements

Antimisting system for hydrocarbon fluids

Novel polyampholyte compositions possessing high degrees of acid, base, or salt tolerance in solution

Compatible mixtures of cationic viscoelastic monomer fluids and cationic-alkyl containing copolymers

Interfacial viscosification of aqueous solutions utilizing interpolymer complex

Mixtures of colloidal rod-like viscoelastic fluids and anionic-alkyl containing copolymers

Cationic-hydrogen bonding type hydrophobically associating copolymers

Asphalt blends based on polymer complexes

Novel polyampholyte compositions possessing high degrees of acid, base, or salt tolerance in solution

Process for use of drag reduction agent in a hydrocarbon liquid

Polyampholytes - high temperature viscosifiers for high ionic strength drilling fluids

Acid base interacting polymer solutions

Novel polymer compositions based on sulfonated ionomers and amine containing polymers

High charge density polymeric complexes - viscosifiers for acid, base and salt (aqueous) solutions

Dilatant behavior of interpolymer complexes in aqueous solution

High temperature drilling fluids based on sulfonated thermoplastic polymers

EXXONMOBIL UPSTREAM RES CO

Stability enhanced water-in-oil emulsion and method for using same

Method and apparatus for managing variable density drilling mud

Solids-stabilized water-in-oil emulsion and method for using same

Method for inhibiting hydrate formation

System for managing variable density drilling mud

PEIFFER DENNIS G

Epoxy-amine acid gas adsorption-desorption polymers and oligomers, processes for preparing same, and uses thereof

Polyvinyl-amine acid gas adsorption-desorption polymers, processes for preparing same, and uses thereof

EXXONMOBIL RES & ENG CO

Polymer membrane for separating aromatic and aliphatic compounds

Membrane for separating aromatic and aliphatic compounds

EXXONMOBIL CHEM PATENTS INC

Thermoplastic elastomer compositions having improved processing properties

EXXON CHEMICAL PATENTS INC

Copolymers of ethylene α-olefin macromers and dicarboxylic monomers and derivatives thereof, useful as additives in lubricating oils and in fuels

CALABRO DAVID C

Non-aqueous amine scrubbing for removal of carbon dioxide

EXXONMOBIL CHEMICAL PATENTS INC

Lubricant compositions containing phosphates and/or phosphites and methods of making and using same