Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Synthesis of aliphatic aromatic phosphine oxides

Synthesis of aliphatic aromatic phosphine oxides

US Patent 4990674 · Granted Feb 5, 1991

Estimated economic value: $18,130,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Process for total environmental remediation of a phosphorus contaminated site2005
Method of removing phosphorus from sludge2003
Recovery of elemental phosphorus from phosphorus sludge2002
Removal of elemental phosphorus from mixtures with other solids2002
Process for reducing corrosion in a system for separating aromatic hydrocarbons 1999
Manufacturing olefins from gas oil1997
Separating vinylcyclohexene from a butadiene extracting solvent1995
Zero discharge process for manufacturing of phosphorous acid and hypophosphorous1994
Purification of bidentate organophosphorous extractants1991
High absorbtivity sodium tripolyphosphate1988
Process for coupling telomers of chlorotrifluoroethylene1988
Preparation of chlorotrifluoroethylene telomers with fluoroxytrifluoromethane1986