04532318 is referenced by 7 patents and cites 2 patents.

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.

Title
Process for removing trace amounts of hydrazine
Application Number
6/647947
Publication Number
4532318
Application Date
September 5, 1984
Publication Date
July 30, 1985
Inventor
Alfred H Holstein
Los Altos
CA, US
Allassan Abubakari
San Jose
CA, US
Agent
Alan M Krubiner
Tom M Moran
Charles L Hartman
Assignee
Syntex
CA, US
IPC
C08J 3/00
C08G 00/00
C08F 6/00
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