Patent · US Active

Multilayer orally disintegrating tablet

US8603525B2 · kind B2 · utility

15Cited by

2References

20Claims

0Family size

Assignee

Ethypharm · FR

Inventors

Pascal Oury · Le Chesnay, FR
Catherine Herry · Dreux, FR
Didier Hoarau · Le Pont-de-Claix, FR

Key dates

Filing date	Jul 31, 2007
Grant date	Dec 10, 2013
Priority date	—
Expiry date	Dec 25, 2027

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61P35/00
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

An orally disintegrating multilayer tablet comprising at least two discrete layers, one of which comprises at least one active agent that promotes the oxidation of opioids, preferably acetaminophen, and the other of which contains granules including an inert core which is coated with at least one opioid and at least one binder, wherein said opioid coating is coated with a subcoat comprising a compound soluble in gastric fluids, said subcoat being coated with a taste-masking coating comprising a polymer or copolymer comprising dialkylaminoalkyl(meth)acrylate units and a pore-forming agent.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.