ADHESIVES FOR USE IN THE WOOD AND WOOD WORKING INDUSTRIES; NAMELY, FLOORING, PLYWOOD, DOORS and WINDOWS, BUILDING CONSTRUCTION, AND TRANSPORTATION; AND FLOOR ADHESIVES
Expandable Plastic Microballoons, Also Known as Microspheres, to Form an Active Filler Additive to Various Substances for Volume Expansion Thereof, for Use in the Chemical Industry and Particularly for Incorporation into Polyester Products, Paper, Printing Ink and the Like to Effect Volume Expansion Thereof