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Crystallume

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Records under this name other than patents Crystallume holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.

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PatentTitleStatus Expires Confidence
US 7,939,367Method for growing an adherent diamond layer atop an interlayer bonded to a compound semiconductor substrate
Lapsed on the fee record
Ended May 10, 2023 · From the USPTO record
Lapsed on the fee recordEnded May 10, 2023From the USPTO record
US 4,849,199Method for suppressing growth of graphite and other non-diamond carbon species during formation of synthetic diamond
Formerly held
Term ended
Term ended no later than Jul 18, 2009 · Low confidence
Term endedTerm ended no later than Jul 18, 2009Low confidence
US 4,882,138Method for preparation of diamond ceramics
Formerly held
Term ended
Term ended no later than Nov 21, 2009 · Low confidence
Term endedTerm ended no later than Nov 21, 2009Low confidence
US 4,939,763Method for preparing diamond X-ray transmissive elements
Formerly held
Term ended
Term ended no later than Jul 3, 2010 · Low confidence
Term endedTerm ended no later than Jul 3, 2010Low confidence
US 5,015,528Fluidized bed diamond particle growth
Formerly held
Term ended
Term ended no later than May 14, 2011 · Low confidence
Term endedTerm ended no later than May 14, 2011Low confidence
US 5,075,095Method for preparation of diamond ceramics
Term ended
Term ended no later than Dec 24, 2011 · Low confidence
Term endedTerm ended no later than Dec 24, 2011Low confidence
US 5,131,963Silicon on insulator semiconductor composition containing thin synthetic diamone films
Formerly held
Term ended
Term ended no later than Jul 21, 2012 · Low confidence
Term endedTerm ended no later than Jul 21, 2012Low confidence
US 5,230,740Apparatus for controlling plasma size and position in plasma-activated chemical vapor deposition processes comprising rotating dielectric
Formerly held
Term ended
Term ended no later than Jul 27, 2013 · Low confidence
Term endedTerm ended no later than Jul 27, 2013Low confidence
US 5,236,740Methods for coating adherent diamond films on cemented tungsten carbide substrates
Formerly held
Term ended
Term ended no later than Aug 17, 2013 · Low confidence
Term endedTerm ended no later than Aug 17, 2013Low confidence
US 5,270,114High thermal conductivity diamond/non-diamond composite materials
Formerly held
Term ended
Term ended no later than Dec 14, 2013 · Low confidence
Term endedTerm ended no later than Dec 14, 2013Low confidence
10 of 31 patents shown.
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Pro members: see all 31 patents
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