EKA Limited
Records under this name other than patents EKA Limited holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
Showing 1 to 7 of 7 · Back to EKA Limited
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 4,268,350 | Method of treating pulp bleaching effluents Term ended Term ended no later than May 19, 2001 · Low confidence | Term ended | Term ended no later than May 19, 2001 | Low confidence |
| US 4,292,216 | Lignin-based glue Term ended Term ended no later than Sep 29, 2001 · Low confidence | Term ended | Term ended no later than Sep 29, 2001 | Low confidence |
| US 4,385,961 | Papermaking Term ended Term ended no later than May 31, 2003 · Low confidence | Term ended | Term ended no later than May 31, 2003 | Low confidence |
| US 4,388,150 | Papermaking and products made thereby Term ended Term ended no later than Jun 14, 2003 · Low confidence | Term ended | Term ended no later than Jun 14, 2003 | Low confidence |
| US 4,640,660 | Recovery and towing vehicle Term ended Term ended no later than Feb 3, 2007 · Low confidence | Term ended | Term ended no later than Feb 3, 2007 | Low confidence |
| US 4,789,194 | Lifting device for containers Term ended Term ended no later than Dec 6, 2008 · Low confidence | Term ended | Term ended no later than Dec 6, 2008 | Low confidence |
| US 4,921,394 | Load handling device Term ended Term ended no later than May 1, 2010 · Low confidence | Term ended | Term ended no later than May 1, 2010 | Low confidence |