Optatech Corporation
Records under this name other than patents Optatech Corporation holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 6,602,959 | Preparation of polyolefin based thermoplastic elastomers Lapsed on the fee record Ended Aug 5, 2011 · From the USPTO record | Lapsed on the fee record | Ended Aug 5, 2011 | From the USPTO record |
| US 6,566,570 | Process for preparing cyclic monomers Lapsed on the fee record Ended May 20, 2011 · From the USPTO record | Lapsed on the fee record | Ended May 20, 2011 | From the USPTO record |
| US 7,175,779 | Thermotropic main-chain liquid crystalline polymers and method of increasing the melt processibility of polyester-based liquid crystalline polymers Lapsed on the fee record Ended Feb 13, 2011 · From the USPTO record | Lapsed on the fee record | Ended Feb 13, 2011 | From the USPTO record |
| US 6,476,129 | Thermoplastic elastomer composition with superior oil resistance Formerly held Lapsed on the fee record Ended Nov 5, 2010 · From the USPTO record | Lapsed on the fee record | Ended Nov 5, 2010 | From the USPTO record |
| US 6,472,576 | Process for preparing 2,6-dimethylnaphthalene Lapsed on the fee record Ended Oct 29, 2010 · From the USPTO record | Lapsed on the fee record | Ended Oct 29, 2010 | From the USPTO record |
| US 7,030,285 | Alkylation process Lapsed on the fee record Ended Apr 18, 2010 · From the USPTO record | Lapsed on the fee record | Ended Apr 18, 2010 | From the USPTO record |
| US 6,333,086 | Multilayered polymer films and process for the preparation thereof Lapsed on the fee record Ended Dec 25, 2009 · From the USPTO record | Lapsed on the fee record | Ended Dec 25, 2009 | From the USPTO record |
| US 6,294,706 | Method for preparing norbornene and substituted derivatives of norbornene Lapsed on the fee record Ended Sep 25, 2009 · From the USPTO record | Lapsed on the fee record | Ended Sep 25, 2009 | From the USPTO record |
| US 6,262,177 | Process for preparing polyacrylate/polyolefin blends Lapsed on the fee record Ended Jul 17, 2009 · From the USPTO record | Lapsed on the fee record | Ended Jul 17, 2009 | From the USPTO record |
| US 6,221,962 | Liquid crystal polymer blends, process for the preparation thereof and products manufactured from the blends Lapsed on the fee record Ended Apr 24, 2009 · From the USPTO record | Lapsed on the fee record | Ended Apr 24, 2009 | From the USPTO record |