Inventor

STIEFEL EDWARD I

US28 patents

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

STIEFEL EDWARD I

EXXON RESEARCH ENGINEERING CO

Multi-function additive for lubricating oils

Multifunctional molybdenum and sulfur containing lube additives

Hydrotreating using self-promoted molybdenum and tungsten sulfide catalysts formed from bis(tetrathiometallate) precursors

Molybdenum sulfur antiwear and antioxidant lube additives

Method of synthesizing Mo3 Sx containing compounds

Transition metal tris-dithiolene and related complexes as precursors to active catalysts

Desulfurization of hydrocarbons using molybdenum or tungsten sulfide catalysts promoted with low valent group VIII metals

Promoted molybdenum and tungsten sulfide catalysts, their preparation and use

Fullerene compositions and preparation

Self-promoted molybdenum and tungsten sulfide hydrotreating catalysts from bis(tetrathiometallate) precursors

Compounds containing the [Co(MoS4)2 ]3- trianion and their preparation

Heterometallic thiocubanes (C-2044)

Dithioacid vanadium sulfide dimer compositions

(Disulfido)tris(N,N-substituted dithiocarbamato)Mo(V) complexes

Method for making Mo4 S4 L6

Catalytic process for hydroconversion of solid carbonaceous materials

Tetranuclear sulfido-bridged complex of Cr(III) having a strongly magnetic ground state

Transition metal tris-dithiolene and related complexes as precursors to active catalysts

Sulfido(disulfido)bis(N,N-substituted dithiocarbamato)W(VI) complexes

Method for making molybdenum and sulfur containing compounds

Synthesis of tetrathioperrhenate salts

Dithioacid rhenium sulfide dimer compositions

Method for making Mo4 S4 L6 (C-2386)

Method for making Mo4 S4 L6 (C-2387)

INFINEUM INT LTD

Manufacture of lubricant additives

Lubricant compositions

Lubricant compositions

INFINEUM USA LP

Lubricating oil compositions