PSI Star
Records under this name other than patents PSI Star holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 4,451,327 | Process and structure for etching copper Term ended Term ended no later than May 29, 2004 · Low confidence | Term ended | Term ended no later than May 29, 2004 | Low confidence |
| US 4,466,859 | Process for etching copper Term ended Term ended no later than Aug 21, 2004 · Low confidence | Term ended | Term ended no later than Aug 21, 2004 | Low confidence |
| US 4,468,284 | Process for etching an aluminum-copper alloy Term ended Term ended no later than Aug 28, 2004 · Low confidence | Term ended | Term ended no later than Aug 28, 2004 | Low confidence |
| US 4,482,425 | Liquid etching reactor and method Term ended Term ended no later than Nov 13, 2004 · Low confidence | Term ended | Term ended no later than Nov 13, 2004 | Low confidence |
| US 4,497,687 | Aqueous process for etching cooper and other metals Term ended Term ended no later than Feb 5, 2005 · Low confidence | Term ended | Term ended no later than Feb 5, 2005 | Low confidence |
| US 4,543,153 | Process and apparatus for etching copper masked by a nickel-gold mask Term ended Term ended no later than Sep 24, 2005 · Low confidence | Term ended | Term ended no later than Sep 24, 2005 | Low confidence |
| US 4,545,850 | Regenerative copper etching process and solution Term ended Term ended no later than Oct 8, 2005 · Low confidence | Term ended | Term ended no later than Oct 8, 2005 | Low confidence |
| US 4,556,449 | Nickel etching process and solution Term ended Term ended no later than Dec 3, 2005 · Low confidence | Term ended | Term ended no later than Dec 3, 2005 | Low confidence |
| US 4,600,563 | Plasma reactor with voltage transformer Term ended Term ended no later than Jul 15, 2006 · Low confidence | Term ended | Term ended no later than Jul 15, 2006 | Low confidence |
| US 4,632,727 | Copper etching process and solution Term ended Term ended no later than Dec 30, 2006 · Low confidence | Term ended | Term ended no later than Dec 30, 2006 | Low confidence |