Assignee
PIONEER EAST INC
US·4 granted patents·12 citations·filing 1999–1999
Top patents by PatentIndex Score
4 records- 0137US6123853AMethod for treating waste water used in alkali metal hydroxide manufacturing processesPIONEER EAST INC·Filed 1999·Granted Sep 26, 2000·6 cites·16 claims
- 0232US6080299AMethod for removal of nickel and iron from alkali metal hydroxide manufacturing process requiring the use of sodium borohydridePIONEER EAST INC·Filed 1999·Granted Jun 27, 2000·3 cites·16 claims
- 0327US6200455B1Method for reducing the plating of nickel on vessels, piping and cells in an alkali metal hydroxide manufacturing processPIONEER EAST INC·Filed 1999·Granted Mar 13, 2001·1 cites·20 claims
- 0427US6123826AMethod for removal of nickel and iron from alkali metal hydroxide streams without requiring the use of sodium borohydridePIONEER EAST INC·Filed 1999·Granted Sep 26, 2000·2 cites·20 claims
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