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Polyplasma Inc.

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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.

PatentTitleStatus Expires Confidence
US 4,407,852Electrets from plasma polymerized material
Term ended
Term ended no later than Oct 4, 2003 · Low confidence
Term endedTerm ended no later than Oct 4, 2003Low confidence
US 4,521,717Apparatus 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 endedTerm ended no later than Jun 4, 2005Low confidence
US 4,557,946Moisture impermeability or organosilicone films
Term ended
Term ended no later than Dec 10, 2005 · Low confidence
Term endedTerm ended no later than Dec 10, 2005Low confidence
US 4,599,678Plasma-deposited capacitor dielectrics
Term ended
Term ended no later than Jul 8, 2006 · Low confidence
Term endedTerm ended no later than Jul 8, 2006Low confidence
US 4,728,863Apparatus and method for plasma treatment of substrates
Term ended
Term ended no later than Mar 1, 2008 · Low confidence
Term endedTerm ended no later than Mar 1, 2008Low confidence
US 5,041,303Process for modifying large polymeric surfaces
Term ended
Term ended no later than Aug 20, 2011 · Low confidence
Term endedTerm ended no later than Aug 20, 2011Low confidence
US 5,424,131Barrier coatings on spacecraft materials
Term ended
Term ended no later than Jun 13, 2015 · Low confidence
Term endedTerm ended no later than Jun 13, 2015Low confidence
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