Liquid chromatography - mass spectrometry (LC-MS) combines two approaches to separate and identify molecules or compounds present in a sample. High performance liquid chromatography (HPLC) separates ...
As a general rule, disclosure of a drug material comprised of a mixture of components, without more, does not render obvious a specific component of that mixture. See, e.g., In re May, 574 F.2d 1082, ...