Method for separating transition metals from polymers

Details Method for separating transition metals from polymers Method for separating transition metals from polymers

2008-03-25

2008-03-25

Boykin, Terressa (Department: 1711)

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

Synthetic resins

Treating polymer containing material or treating a solid...

C264S176100, C264S219000, C502S150000, C525S285000

Reexamination Certificate

active

10544805

ABSTRACT:
The invention relates to a method for separating transition metals from polymers. According to the invention, a solid polymer containing transition metals is treated with an extracting agent, the duration of the treatment and the extraction temperature being selected in such a way that the transition metal content is reduced by at least 30 wt. %.

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U.S. Appl. No. 10/544,805, filed Aug. 8, 2005, Goldacker et al.
U.S. Appl. No. 10/579,843, filed May 17, 2006, Goldacker et al.

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