Synthesis of double metal cyanides with non-aqueous solutions

Details Synthesis of double metal cyanides with non-aqueous solutions Synthesis of double metal cyanides with non-aqueous solutions

2005-03-22

2005-03-22

Wood, Elizabeth D. (Department: 1755)

Catalyst, solid sorbent, or support therefor: product or process

Catalyst or precursor therefor

Inorganic carbon containing

C423S351000, C423S364000, C423S383000, C423S367000, C423S159000

Reexamination Certificate

active

06869905

ABSTRACT:
An improved method for synthesizing a double metal cyanide (DMC) catalyst includes combining a non-aqueous solution of a first metal salt, such as ZnBr2, with a non-aqueous solution of a second metal salt, such as CoBr2, and with a non-aqueous solution of an alkali metal cyanide, such as NaCN, in a single step to synthesize the DMC catalyst, Zn3[Co(CN)6]2.

REFERENCES:
patent: 5470813 (1995-11-01), Le-Khac
patent: 5714639 (1998-02-01), Bowman et al.
patent: 6436867 (2002-08-01), Dexheimer et al.
patent: 6593268 (2003-07-01), Dexheimer et al.

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