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
active
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Acetylene-terminated polyimide derivatives
Addition products of a di-acetylene-terminated polyimide derivat
Addition products of di-acetylene-terminated polyimide derivativ
Addition products of di-acetylene-terminated polyimide derivativ
Addition products of di-acetylene-terminated polyimide derivativ
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