Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Surfactant blends for aqueous solutions useful for improving oil recovery

Surfactant blends for aqueous solutions useful for improving oil recovery

US Patent 6828281 · Granted Dec 7, 2004

Estimated economic value: $6,095,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Emulsifier based on polyamines and fatty acid/maleic anhydride2012
Quaternary ammonium salts as thickening agents for aqueous systems2010
Quaternary ammonium salts as thickening agents for aqueous systems2008
Method and composition for cleaning a well bore prior to cementing2008
Polyester polyquaternary compounds, compositions containing them, and use thereo2001