Method for purifying transition metal compound and method for pr

Details Method for purifying transition metal compound and method for pr Method for purifying transition metal compound and method for pr

1998-10-09

2000-08-22

Nazario-Gonzalez, Porfirio

Organic compounds -- part of the class 532-570 series

Organic compounds

Heavy metal containing

556 1, 556 7, 556 21, 556 53, 502103, 502117, 526160, 526943, C07F 1700, C07F 700

Patent

active

061075027

ABSTRACT:
A method for purifying a transition metal compound, which comprises conducting crystallization of a transition metal compound from a solution containing the transition metal compound while stirring.
According to the present invention, it is possible to purify and produce efficiently a transition metal compound at high purity under industrially and economically advantageous conditions.

REFERENCES:
patent: 5096867 (1992-03-01), Canich
patent: 5302733 (1994-04-01), Diefenbach et al.
patent: 5567842 (1996-10-01), Izumisawa et al.
Japanese Publication No. 07053581; Publication date Feb. 28, 1995, Abstract only.
P.A. Schweitzer, Handbook of separation techniques for chemical engineers/second edition, 1988 page(s) 2-172.
E. Muller, Methoden der organischen chemie (Houben-Weyl) Band I/1, 1958, p. 378.
Japanese Publication No. 63 139181 (A); Publication date Jun. 10, 1988--Abstract only.

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