| Patent Number |
Title Of Patent |
Date Issued |
| 6270842 |
Method of galvanizing with molten zinc-aluminum alloy |
August 7, 2001 |
| A steel material subjected to preliminary treatments to remove an oxide film on the surface is immersed in a molten flux bath in an independent vessel and thereafter immersed in a molten zinc-aluminum alloy bath in a separate vessel to be galvanized with a coating of the alloy. The molte |
| 5549833 |
Method of decomposing hydrogen peroxide |
August 27, 1996 |
| The improved method achieves effective and economical decomposition of hydrogen peroxide and may be used in recycling hydrogen peroxide-containing spent sulfuric acid that has been used in wafer cleaning and other operations in the process of semiconductor fabrication or in removing |
| 5348724 |
Method of decomposing hydrogen peroxide |
September 20, 1994 |
| The improved method achieves effective and economical decomposition of hydrogen peroxide and may be used in recycling hydrogen peroxide containing spent sulfuric acid that has been used in wafer cleaning and other operations in the process of semiconductor fabrication or in removing |
