IP Library Granted Patent US 7,867,516
Granted Patent B2
US 7,867,516 · App. 10/470,334 · Granted Jan 11, 2011

Medicinal preparation containing 5-methyl-1-phenyl-2-(1h)-pyridone as active ingredient

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Quick Facts
Patent No.
US 7,867,516
App. No.
10/470,334
Granted
Jan 11, 2011
Kind
B2
Abstract

A tablet characterized by comprising 5-methyl-1-phenyl-2-(1H)-pyridone as the main ingredient and, based on the main ingredient, 10 to 50 wt. % excipient, 5 to 40 wt. % disintegrator, 1 to 10 wt. % binder, 0.5 to 5 wt. % lubricant, 2 to 6 wt. % coating basis, and 0.05 to 3 wt. % light-shielding agent, wherein the odor or bitterness of the 5-methyl-1-phenyl-2-(1H)-pyridone is masked and the light stability is improved.

Claims (1)

1. A tablet comprising a tablet core comprising 200 mg 5-methyl-1-phenyl-2-(1H)-pyridone, 56 mg lactose, 20 mg carmellose calcium, 6.0 mg hydroxypropylcellulose, 3 mg magnesium stearate, and a coating layer comprising 6.67 mg hydroxypropylmethylcellulose, 0.67 mg triethyl citrate, and 2.66 mg titanium oxide; wherein the tablet core is a compressed tablet and the coating layer coats the tablet core.

Assignments (2)
CERTIFICATE OF CHANGE OF COMPANY'S ADDRESS Recorded Jul 27, 2018
From: INTERMUNE, INC.
To: INTERMUNE, INC.
Reel/Frame 046638/0466 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 8, 2014
From: SHIONOGI & CO., LTD.
To: INTERMUNE, INC.
Reel/Frame 032852/0963 →