Patent ID: 11859043
Assignee: MOMENTIVE PERFORMANCE MATERIALS INC.
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC C  B | IPC B  C

Claim 15:
16. The process of claim 14 wherein the yttrium-containing catalyst (viii) is is an yttrium salt selected from the group consisting of yttrium halide, yttrium nitrate, yttrium sulfate, yttrium trifluoromethanesulfonate, yttrium acetate, yttrium trifluoroacetate, yttrium malonate, octylic acid (ethyl hexanoic acid) salt of yttrium, yttrium naphthenate, versatic acid salt of yttrium, yttrium neodecanoate, yttrium carbonate, yttrium hydrogen carbonate, and combinations thereof.