72436168
Sep 20, 1972
Dec 18, 1973
ASPHALTIC, RUBBER, CLAY EMULSIONS, AND SYNTHETIC SURFACING, WATERPROOFING AND CONSTRUCTION MATERIALS OF A BITUMINOUS NATURE FOR APPLICATION TO METAL, MASONRY, ASPHALT, CONCRETE AND OTHER SURFACES; ASPHALTIC ADDITIVES TO PORTLAND CEMENT FOR IMPROVING WATERPROOF PROPERTIES THEREOF; MASTICS AND CAULKING COMPOUNDS; ASPHALTIC SEALANTS FOR SOILS; AND PRUNING AND GRAFTING COMPOUNDS
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