Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Method for improving filterability of gypsum and wet process phosphoric acid

Method for improving filterability of gypsum and wet process phosphoric acid

US Patent 4439407 · Granted Mar 27, 1984

Estimated economic value: $14,839,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Perimeter-cooled stage 1 bucket core stabilizing device and related method2008
Ceramic turbine shroud2004
Method of forming a trailing edge cutback for a turbine bucket2003
Repositionable brush seal for turbomachinery2002
Multiple-stage thermal beneficiation process for phosphate ores1983
Removal of magnesium and aluminum impurities from wet process phosphoric acid1981