79025272
Mar 9, 2006
May 8, 2007
Industrial chemicals, namely, pozzolanic minerals and concrete admixtures comprised of pozzolanic minerals and mixtures thereof
ChemicalsNon-metallic building materials, namely hydraulic binders made up of a combination of metakaolin, phonolite, clay, mica, silicium oxide and other pozzolanic minerals with lime, cement or other hydraulic binders
Nonmetallic Building Materials