Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Cellular products or processes of preparing a cellular...
Inventor
active
Dimensionally stable urethane elastomers
Increased reactivity of isocyanate terminated polyether prepolym
Method for determining component ratios employed to prepare poly
Phthalic anhydride based polyester-ether polyols and...
Use of amine initiated butylene oxide polyols in polyurethane pr
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