Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Process for removal of carbon black floc associated with wet-process phosphoric acid in the production of fertilizers

Process for removal of carbon black floc associated with wet-process phosphoric acid in the production of fertilizers

US Patent 4420321 · Granted Dec 13, 1983

Estimated economic value: $8,819,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Tissue of foreign body extractor2003
School bus alert2000
Fire-retardant insulating composition and its production1982
Fertilizer solutions containing sulfur and having low crystallization temperatur1980