Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Phosphogypsum composition having improved expansion properties

Phosphogypsum composition having improved expansion properties

US Patent 5261957 · Granted Nov 16, 1993

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Protective helmets having energy absorbing tethers2020
Process for coating an active ingredient with a urea-formaldehyde polymer2017
Additive containing N-(N-butyl)thiophosphoric triamide for urea-based fertilizer2016
Process for coating an active ingredient with a urea-formaldehyde polymer2015
Additive containing N-(n-butyl)thiophsphoric triamide for urea-based fertilizer2013
Formulation for fertilizer additive concentrate1997
Fluid urea-containing fertilizer1994
Granular urea-based fertilizer1994
Production of silica and fluorine-containing coproducts from fluosilicic acid1990