Inventor

LONGO JOHN M

37 patents

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

LONGO JOHN M

EXXON RESEARCH ENGINEERING CO

Process for the desulfurization of flue gas

Use of perovskites and perovskite-related compounds as battery cathodes

Cells having cathodes containing Cs S cathode-active materials

Desulfurization of hot gas with cerium oxide

Process for the removal of SOx and NOx from gaseous mixture containing the same

Bi2 [M2-x Bix ]O7-y compounds wherein M is Ru, Ir or mixtures thereof, and electrochemical devices containing same (Bat-24)

Use of nonstoichiometric carbon-sulfur compounds to remove components from liquids

MXY3 solid lubricants

Use of high surface area mixed metal oxides of manganese and calcium in electrochemical processes

Preparation of mixed metal oxides by decomposition of carbonate solid solutions having the calcite structure

Method of making lead and bismuth pyrochlore compounds using an alkaline medium and at least one solid reactant source

Cells having cathodes containing carbon monosulfide polymer cathode-active materials

Electrochemical device having an oxygen electrode containing a pyrochlore type compound electrocatalyst

Method of making lead-rich and bismuth-rich pyrochlore compounds using an alkaline medium

Pb2 [M2-x Pbx ]O7-y compounds wherein M is Ru, Ir or mixtures thereof, and method of preparation

Method of electrocatalytic oxidation of organic compounds

Layered manganese compound of the formula CA2 MN3 O8

Oxygen deficient manganese perovskites

Vapor phase adsorption using nonstoichiometric carbon-sulfur compounds

Method of making lead and bismuth ruthenate and iridate pyrochlore compounds

Method of making lead-rich and bismuth-rich pyrochlore compounds using an alkaline medium and a reaction enhancing anodic potential

Method of making stoichiometric lead and bismuth pyrochlore compounds using an alkaline medium

Process for preventing ecological contamination due to radioactive ruthenium, molybdenum or technetium

UO2 F2 inclusion compositions

Novel formulations M2 UO2 F2 and their use in electrochemical cells

EXXON PRODUCTION RESEARCH CO

Method for inhibiting hydrate formation

Method for rapidly determining the swelling-clay content in shales and shaly sandstone formations by high-frequency dielectric constant measurements

Method and means for determining rock properties using time-domain dielectric spectroscopy

BAKER HUGHES INC

Determining organic carbon downhole from nuclear spectroscopy

Use of thorium-uranium ratio as an indicator of hydrocarbon source rock

Measurement of downhole gamma radiation by reduction of compton scattering

JACOBI DAVID J

Methods for quantitative lithological and mineralogical evaluation of subsurface formations

Method for petrophysical evaluation of shale gas reservoirs

EXXONMOBIL UPSTREAM RES CO

Method for inhibiting hydrate formation

BAKER HUGHES A GE CO LLC

Compensated neutron correction for contributions outside the petrophysical model

MENDEZ FREDDY E

Methods to enhance nuclear spectroscopy analysis

KHISAMUTDINOV ALFRED

Use of chemically and geologically consistent constraints for obtaining elemental chemistry downhole