Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Cellular products or processes of preparing a cellular...
Inventor
active
Chain extenders for polyurethanes
Combustion-modified polyurethane foam
Dispersion of a preformed polymer in a polyol
Electrostatically painted polymers and a process for making...
Flexible polyurea foams having controlled load bearing qualities
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