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. 2013 Apr;3(4):253–266. doi: 10.1016/S2221-1691(13)60060-X

Table 7. Recent patents on herbal controlled release formulations.

US patent No. Active ingredients Novel system incorporate Ref.
US 5948414 Opioid analgesic and aloe Nasal spray 101
US 6340478 B1 Ginsenosides Microencapsulated and controlled release formulations 101
Us6890561 B1 Isoflavones Microencapsulated formulation 101
US6896898 B1 Alkaloids of aconitum species Transdermal delivery system 101
US patent 2005/0142232 A Oleaginous oil of Sesamum indicum and alcoholic extract of Centella asiatica Brain tonic 101
US patent 2007/0042062 A1 Glycine max containing 7s globulin protein extract,curcumin, Zingiber officinalis Herbal tablet dosage form 101
US patent 2007/0077284A1 Opioid analgesic (phenanthrene gp) Transdermal patch 101
US patent 7569236132 Flavonoids (such as quercetin) and terpenes (ginkgolide A, B, C and J) Microgranules 101