Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Etching solutions containing ammonium fluoride and an alkylphenol polyglycidol ether surfactant

Etching solutions containing ammonium fluoride and an alkylphenol polyglycidol ether surfactant

US Patent 4761245 · Granted Aug 2, 1988

Estimated economic value: $2,198,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Method of forming a bond pad2005
Biodegradable low foaming surfactants as a rinse aid for autodish applications1998
Method for reducing corrosion in openings on a semiconductor wafer1997
Biogradable low foaming surfactants as a rinse aid for autodish applications1996
Method for reducing corrosion of a metal surface containing at least aluminum an1995
Polyglycidol sulfated surfactants having antimicrobial activity1992
Polyglycidol amine oxide surfactants having antimicrobial activity1991
Anti-microbial composition containing aliphatic polygycidol adducts1991
Antimicrobial composition containing quaternary aliphatic amine polyglycidol add1991
Etchant solutions containing hydrogen fluoride and a polyammonium fluoride salt1990
Etchant solution for photoresist-patterned metal layers1990
Etching solutions containing ammonium fluoride and anionic sulfate esters of alk1989