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Aktiengesellschaft

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Records under this name other than patents Aktiengesellschaft 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 6,482,774Substituted (4-brompyrazole-3-yl) benzazoles
Lapsed on the fee record
Ended Nov 19, 2014 · From the USPTO record
Lapsed on the fee recordEnded Nov 19, 2014From the USPTO record
US 7,819,621Method and apparatus for separating rod-shaped bodies
Formerly held
Lapsed on the fee record
Ended Oct 26, 2014 · From the USPTO record
Lapsed on the fee recordEnded Oct 26, 2014From the USPTO record
US 7,466,690Traffic restriction for a network with QoS transmission
Formerly held
Lapsed on the fee record
Ended Dec 16, 2012 · From the USPTO record
Lapsed on the fee recordEnded Dec 16, 2012From the USPTO record
US 6,410,789Process for preparing aromatic polyamine mixtures
Lapsed on the fee record
Ended Jun 25, 2010 · From the USPTO record
Lapsed on the fee recordEnded Jun 25, 2010From the USPTO record
US 6,592,880Method for inhibition of sorbate-induced brown discolorations in cosmetic compositions and foodstuffs
Lapsed on the fee record
Ended Jul 15, 2007 · From the USPTO record
Lapsed on the fee recordEnded Jul 15, 2007From the USPTO record
US 4,387,157Photosensitive multi-layer material and preparation of adhesive layers employed therein
Term ended
Term ended no later than Jun 7, 2003 · Low confidence
Term endedTerm ended no later than Jun 7, 2003Low confidence
US 4,520,209Process for cyclizing upsilon-chlorocarboxylic acids
Formerly held
Term ended
Term ended no later than May 28, 2005 · Low confidence
Term endedTerm ended no later than May 28, 2005Low confidence
US 4,780,552Preparation of furan by decarbonylation of furfural
Term ended
Term ended no later than Oct 25, 2008 · Low confidence
Term endedTerm ended no later than Oct 25, 2008Low confidence
US 4,836,191Lithotripsy work station
Term ended
Term ended no later than Jun 6, 2009 · Low confidence
Term endedTerm ended no later than Jun 6, 2009Low confidence
US 4,919,728Method of manufacturing nonmagnetic drilling string components
Term ended
Term ended no later than Apr 24, 2010 · Low confidence
Term endedTerm ended no later than Apr 24, 2010Low confidence
10 of 15 patents shown.
Pro members see all 15.
Pro members: see all 15 patents
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