Polyplasma Inc.
Records under this name other than patents Polyplasma Inc. 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 Polyplasma Inc.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 4,407,852 | Electrets from plasma polymerized material Term ended Term ended no later than Oct 4, 2003 · Low confidence | Term ended | Term ended no later than Oct 4, 2003 | Low confidence |
| US 4,521,717 | Apparatus for producing a microwave plasma for the treatment of substrates, in particular for the plasma-polymerization of monomers thereon Term ended Term ended no later than Jun 4, 2005 · Low confidence | Term ended | Term ended no later than Jun 4, 2005 | Low confidence |
| US 4,557,946 | Moisture impermeability or organosilicone films Term ended Term ended no later than Dec 10, 2005 · Low confidence | Term ended | Term ended no later than Dec 10, 2005 | Low confidence |
| US 4,599,678 | Plasma-deposited capacitor dielectrics Term ended Term ended no later than Jul 8, 2006 · Low confidence | Term ended | Term ended no later than Jul 8, 2006 | Low confidence |
| US 4,728,863 | Apparatus and method for plasma treatment of substrates Term ended Term ended no later than Mar 1, 2008 · Low confidence | Term ended | Term ended no later than Mar 1, 2008 | Low confidence |
| US 5,041,303 | Process for modifying large polymeric surfaces Term ended Term ended no later than Aug 20, 2011 · Low confidence | Term ended | Term ended no later than Aug 20, 2011 | Low confidence |
| US 5,424,131 | Barrier coatings on spacecraft materials Term ended Term ended no later than Jun 13, 2015 · Low confidence | Term ended | Term ended no later than Jun 13, 2015 | Low confidence |