Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Phosphine and phosphonium compounds and catalysts

Phosphine and phosphonium compounds and catalysts

US Patent 4473505 · Granted Sep 25, 1984

Estimated economic value: $53,194,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Catalysts from molybdenum polysulfide precursors, their preparation and use1985
Catalysts from molybdenum polysulfide precursors, their preparation and use1985
Phosphine and phosphonium compounds and catalysts1985
Organic salt compositions in extraction processes1984
Catalysts from molybdenum polysulfide precursors and their preparation1984
Organic salt compositions in extraction processes1983
Liquid salt extraction of aromatics from process feed streams1982
Catalysts for the conversion of relatively low molecular weight hydrocarbons to 1980
Process for the conversion of relatively low molecular weight hydrocarbons, to h1980