Petoca, Ltd.
Records under this name other than patents Petoca, Ltd. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 6,287,729 | Graphite materials for negative electrode used in lithium secondary battery Formerly held Lapsed on the fee record Ended Sep 11, 2009 · From the USPTO record | Lapsed on the fee record | Ended Sep 11, 2009 | From the USPTO record |
| US 6,118,650 | Mesophase pitch-based activated carbon fibers and electric double layer capacitor using the same Formerly held Lapsed on the fee record Ended Sep 12, 2008 · From the USPTO record | Lapsed on the fee record | Ended Sep 12, 2008 | From the USPTO record |
| US 6,077,463 | Process for producing graphite material for negative electrode used in lithium secondary battery Formerly held Lapsed on the fee record Ended Jun 20, 2008 · From the USPTO record | Lapsed on the fee record | Ended Jun 20, 2008 | From the USPTO record |
| US 6,528,036 | Milled carbon fiber and process for producing the same Formerly held Lapsed on the fee record Ended Mar 4, 2007 · From the USPTO record | Lapsed on the fee record | Ended Mar 4, 2007 | From the USPTO record |
| US 6,303,095 | Milled carbon fiber and process for producing the same Formerly held Lapsed on the fee record Ended Oct 16, 2005 · From the USPTO record | Lapsed on the fee record | Ended Oct 16, 2005 | From the USPTO record |
| US 6,022,518 | Surface graphitized carbon material and process for producing the same Lapsed on the fee record Ended Feb 8, 2004 · From the USPTO record | Lapsed on the fee record | Ended Feb 8, 2004 | From the USPTO record |
| US 4,892,722 | Method for producing high strength, high modulus mesophase-pitch-based carbon fibers Term ended Term ended no later than Jan 9, 2010 · Low confidence | Term ended | Term ended no later than Jan 9, 2010 | Low confidence |
| US 4,898,723 | Method for producing high strength, high modulus mesophase-pitch based carbon fibers Term ended Term ended no later than Feb 6, 2010 · Low confidence | Term ended | Term ended no later than Feb 6, 2010 | Low confidence |
| US 4,975,261 | Process for producing high strength carbon-carbon composite Term ended Term ended no later than Dec 4, 2010 · Low confidence | Term ended | Term ended no later than Dec 4, 2010 | Low confidence |
| US 4,975,262 | Three dimensional woven fabrics of pitch-derived carbon fibers Term ended Term ended no later than Dec 4, 2010 · Low confidence | Term ended | Term ended no later than Dec 4, 2010 | Low confidence |