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Patents

The Perrigo API R&D team has created dozens of ground-breaking, patent-protected industrial processes. These sophisticated, efficient manufacturing procedures facilitate cost-effective production and flexible pricing, helping to strengthen our customers' long term competitive positions in the marketplace.

Patents ROW
APIDescriptionPatent/Application no.
AnastrozolePreparation processDE 102005037484
ImatinibImatinib processIN 216/KOL/2009
ImatinibImatinib alpha formDE 102007021043
MoxonidineMoxonidine polymorphsIL 176556
MoxonidineMoxonidine processEP 1982983
MoxonidineMoxonidine processEP 1873151
MoxonidineMoxonidine purificationEP 1873152
MoxonidineMoxonidine saltsEP 1894927
Terbinafine HydrochloridePreparation processIL 137364
TheobromineTheobromine processCN 200710116201.8
TheobromineTheobromine purificationCN 200710116000.8
TheobromineTheobromine production processWO 2009/089677


Patents USA
APIDescriptionPatent/Application no.
AzacitidineAzacitidine crystallizationUS 2011-0288042
Cetirizine DihydrochloridePreparation processUS 6,100,400
CilostazolImproved processUS 7,524,960
CisatracuriumCisatracurium acid compoundsUS 2010-0168431
CisatracuriumCisatracurium acid processUS 2010-0184988
CisatracuriumCisatracurium API from acidUS 2010-0256381
CisatracuriumCisatracurium by-productsUS 2011-0185796
CisatracuriumCisatracurium flash chromatographyUS 2010-0174082
CisatracuriumCisatracurium normal phaseUS 2010-0099878
CisatracuriumCisatracurium purificationUS 2010-0234602
CisatracuriumCisatracurium reverse phaseUs 2010-0087650
Donepezil HydrochlorideDonepezil hydrochloride compositionsUS 6,734,195
Donepezil HydrochloridePreparation processUS 6,844,440
Donepezil HydrochloridePurification via Donepezil maleateUS 7,592,459
Fluticasone PropionateMethod of isolating a Fluticasone intermediateUS 6,747,163
GranisetronGranisetron intermediateUS 7,060,841
HalobetasolHalobetasolUS 7,208,485
ImatinibImatinib processUS 7,507,821
ImatinibImatinib with EDCUS 7,550,591
ImiquimodImiquimod ammonia DMSOUS 7,659,398
ImiquimodImiquimod processUS 7,323,568
ImiquimodImiquimod urea/guanidineUS 7,943,771
LamotriginePreparation processUS 6,329,521
LetrazoleLetrozole processUS 7,538,230
LetrazoleLetrozole purificationUS 7,465,749
LevocetirizineLevocetirizine purificationUS 2011-0230496
MidazolamMidazolam Maleate processUS 7,776,852
Montelukast SodiumAmorphous montelukastUS 7,544,805
Montelukast SodiumMontelukast precursorUS 7,572,930
Montelukast SodiumMontelukast processUS 7,528,254
PalonosetronPalonosetron saltsUS 2010-0174080
Rocuronium BromideRocuronium bromide processUS 7,579,461
RotigotineRotigotine crystalline baseUS 2010-0222602
TemozolomideImproved processUS 7,612,202
Tramadol HydrochlorideTramadol purificationUS 5,672,755
Tramadol HydrochlorideTramadol separation processUS 5,874,620
ZonisamideDerivatives of BIOS-HUS 7,745,471

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