Solvents useful in the preparation of polymers containing...

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Treating polymer containing material or treating a solid...

Reexamination Certificate

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Details

C134S031000, C134S042000, C134S901000, C264S085000, C264S336000, C359S642000, C428S411100, C528S480000, C528S483000, C528S495000, C528S496000, C604S368000

Reexamination Certificate

active

07112652

ABSTRACT:
This invention relates to solvents which may be used to extract polymers that are made of hydrophilic and hydrophobic monomers.

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