Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Cellular products or processes of preparing a cellular...
Inventor
active
Composition of polytetramethylene ether glycols and polyoxy alky
Compositions of polytetramethylene ether glycols and polyoxy...
Flame-retardant polyurethane foam prepared by incorporating a gr
Flexible open-cell polyurethane foam
Graft polymer dispersion having a third monomer and polyurethane
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