Process for removing trace amounts of hydrazine

Details Process for removing trace amounts of hydrazine Process for removing trace amounts of hydrazine

1984-09-05

1985-07-30

Michl, Paul R.

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

Synthetic resins

Treating polymer containing material or treating a solid...

526264, C08F 600, C08G 0000, C08J 300

Patent

active

045323186

ABSTRACT:
A method for removing trace amounts of contaminating hydrazine from pharmaceutical grade PVP. An aqueous solution of PVP is contacted with a gaseous stream containing ozone for a period of time sufficient to remove the hydrazine.

REFERENCES:
patent: 2914516 (1959-11-01), Siggia et al.
J. Am. Chem. Soc. 31 (1909), p. 790; "On The Oxidation of Hydrazine", Browne et al.

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