Powder composition
AssigneeLiw Innovation AB
InventorsJohan Björkholm, Lars Björkholm
Life of this patent
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Abstract
Disclosed are powder compositions with a pH of at least 6 for delivery of an active agent to the nasal cavity, wherein the active agent is selected from at least one of nicotine, tetrahydrocannabinol (THC) and ethanol. The compositions comprise a filling agent of water soluble and water insoluble microcrystalline cellulose and a matrix forming agent and have a defined brightness and particle size range. Also disclosed are products including the powder compositions and support particles inducing a desired property to the product.
Claims23
A powder particle composition with a water content of 30 wt % or less, with an ISO brightness that is not less than about 60, preferably not less than about 70, and more preferably not less than about 80, as measured according to ISO 2470-1:2016, and with a pH of at least 6 for delivery of an active agent to the nasal cavity, wherein the active agent is at least one member selected from the group consisting of nicotine, tetrahydrocannabinol (THC) and ethanol, the composition also comprising, a filling agent, and a matrix forming agent and wherein it has
- (i) a water content of 30 wt % or less;
- and wherein
- (ii) the filling agent comprises at least a water insoluble microcrystalline cellulose (MCC) and at least a water-soluble microcrystalline cellulose (MCC).
Dependencies are inferred from the claim text.