Restoration masonry grouts
Retarded aqueous hydraulic cement slurry
Retarding systems and application to oil well cementing
Rheology modifying additive for cementitious compositions
Rheology stabilizer for cementitious compositions
Rice hull ash concrete admixture
Rigid porous carbon structures, methods of making, methods...
Rigid, water-resistant phosphate ceramic materials and...
Riser sleeve composition and article for use in casting...
Road construction
Road repair material comprising cement and a resin
Road surfacing composition and process
Roadstone
Robust polycarboxylate containing ether linkages for milling...
Roll press grinding aid for granulated blast furnace slag
Rotary kilns for alternative fuels
Rothlite lightweight concrete and rothwall lightweight drywall