Process for removing ruthenium-containing catalyst residues...

Details Process for removing ruthenium-containing catalyst residues... Process for removing ruthenium-containing catalyst residues...

2008-12-17

2010-12-07

Cain, Edward J (Department: 1796)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

Reexamination Certificate

active

07846995

ABSTRACT:
Novel optionally hydrogenated nitrile rubbers distinguised by a very low ruthenium content are provided as well as a process for the removal of ruthenium-containing catalyst residues from a solution of optionally hydrogenated nitrile rubber by using specific functionalized ion-exchange resins.

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