Corporate Assignee
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
Corporate Assignee
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High temperature resistant polyester compositions
Modified polyester compositions
Process for preparing oxymethylene polymers using boron trifluor
Purification of diphenyl phthalates
Use of metal salts with superpolyamides as oxymethylene polymer
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