Optatech Oy
Records under this name other than patents Optatech Oy holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
Showing 1 to 8 of 8 · Back to Optatech Oy
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 6,127,589 | Process of producing 2,6-dimethylnaphthalene by dehydrocyclizing 1-(p-tolyl)-2-methylbutane and/or 1-(p-toly)-2-methylbutene using a reduced vanadium catalyst Lapsed on the fee record Ended Oct 3, 2008 · From the USPTO record | Lapsed on the fee record | Ended Oct 3, 2008 | From the USPTO record |
| US 4,990,383 | Plastic coated steel tube and method for preparing the same Formerly held Term ended Term ended no later than Feb 5, 2011 · Low confidence | Term ended | Term ended no later than Feb 5, 2011 | Low confidence |
| US 5,164,456 | Method of preparing a polyolefin-vinyl polymer-composite Formerly held Term ended Term ended no later than Nov 17, 2012 · Low confidence | Term ended | Term ended no later than Nov 17, 2012 | Low confidence |
| US 5,300,578 | Method for preparing a vinyl polymer-polyolefine composite Formerly held Term ended Term ended no later than Apr 5, 2014 · Low confidence | Term ended | Term ended no later than Apr 5, 2014 | Low confidence |
| US 5,312,872 | Method for preparing a vinyl polymer-polyolefine composite Formerly held Term ended Term ended no later than May 17, 2014 · Low confidence | Term ended | Term ended no later than May 17, 2014 | Low confidence |
| US 5,854,356 | Polymers for release films on surfaces containing pressure-sensitive adhesives Formerly held Term ended Term ended no later than Dec 29, 2018 · Low confidence | Term ended | Term ended no later than Dec 29, 2018 | Low confidence |
| US 5,952,534 | Manufacturing of 2,6-dimethylnaphthalene Term ended Term ended no later than Sep 14, 2019 · Low confidence | Term ended | Term ended no later than Sep 14, 2019 | Low confidence |
| US 5,993,696 | Electrically conductive thermoplastic elastomeric composition and its use Term ended Term ended no later than Nov 30, 2019 · Low confidence | Term ended | Term ended no later than Nov 30, 2019 | Low confidence |