Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Continuous process for preparing phosphoric acid and calcium sulphate

Continuous process for preparing phosphoric acid and calcium sulphate

US Patent 4777027 · Granted Oct 11, 1988

Assignee

No assignee recorded.

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Rotary vacuum filters with a horizontal filtration plane1988
Method for the preparation of phosphoric acid and calcium sulphate1986
Method for the preparation of phosphoric acid and calcium sulphate1986
Multiple cell filter with baffles1982
Process for manufacturing phosphoric acid1981
Process for treatment of residues from ferriferous zinc ores1981