I am not asserting these companies have the RIGHT

I am not asserting these companies have the RIGHT to sell an IPIX compound, only that they are trying to lock up rights to the combo.

All I know is that I recall non-IPIX entities applying for patents which allow them to use a compound from IPIX in combo with their drug.

To wit:

Quote:

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and

Sulforaphane, a novel histone deacetylase inhibitor in clinical trials as an anti-cancer agent. The invention also includes use of any other pre-clinical HDAC inhibitors, including without limitation, Kevetrin, an agent selective for HDAC2, that are later determined to be useful for the treatment of cancer via the reduction or inhibition of histone deacetylase activity in combination with AMG 900.

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This from:

Quote:

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https://www.google.co.in/patents/WO2013181462A1?cl=en

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Quote:

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Use of amg 900 for the treatment of cancer
WO 2013181462 A1
Abstract
The present invention relates to methods of using AMG 900, a small molecule pan aurora kinase inhibitor, for the treatment of cancer, including solid tumors, hematologically derived tumors and the like. The invention further provides pharmaceutical compositions, dosage ranges and treatment regimens for administering AMG 900 to treat cancer.

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BTW, AMG is Amgen.