Gypsum-based mortars using water retention agents prepared...
Gypsum-cement system for construction materials
Gypsum-containing composition having enhanced resistance to...
Gypsum-containing fire-resistant structural fiberboard
Gypsum-containing product having increased resistance to...
Gypsum-containing product having increased resistance to...
Gypsum-free cement compositions
Gypsum-rich portland cement
Gypsum-rubber composition