Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Cellular products or processes of preparing a cellular...
Inventor
active
Compatible mixtures of aminated polyether polyols and low molecu
Compatible polyol blends
Flexible polyurea foams having controlled load bearing qualities
Flexible polyurea or polyurea-polyurethane foams prepared from h
Non-aqueous urea-polyether gel compositions and a method for the
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