Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Method for the froth flotation of coal

Method for the froth flotation of coal

US Patent 4820406 · Granted Apr 11, 1989

Estimated economic value: $5,946,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Media unit2013
Media unit2013
Media unit2012
Hydroxy-carboxylic acid grinding aids2000
Hydroxy-carboxylic acid grinding aids1998
Solid-solid separations utilizing alkanol amines1993
Dialkylated aryl monosulfonate collectors useful in the flotation of minerals1992
Sulfonated and carboxylate collector compositions useful in the flotation of min1992
Recovery of petroleum from tar sands1992
Alkanol amine grinding aids1992
Froth flotation of silica or siliceous gangue1992
Depression of the flotation of silica or siliceous gangue in mineral flotation1991