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US 8,802,141 B2Granted
Agent delivery system
OwnerJohn Kohnkeinventor
Life of this patent
Estimating the term…
Abstract
A delivery vehicle including a mixture of: a) an effective amount of an expander activatable by a wetting agent and, b) a treatment agent. The expander and treatment agent intermingled and compressed so as to form a substantially solid delivery vehicle. The solid delivery vehicle, on exposure to a volume of wetting agent forms a predetermined volume of a paste containing the treatment agent; and the volume of paste is adapted for delivery of the treatment agent.
Claims15
A delivery vehicle and treatment agent system for delivering an agent to an animal comprising:
- a substantially solid delivery vehicle for application to an animal said delivery vehicle delivered to said animal as a paste;
- a delivery device that receives the substantially solid delivery vehicle and water wherein by addition of water to said substantially solid delivery vehicle placed on or in said delivery device results in the substantially solid delivery device being transformed into a paste containing the agent prior to the animal receiving paste;
- wherein said solid delivery vehicle including a treatment agent and a water activatable expander;
- said expander comprising granules of a cross-linked homopolymer of N-vinyl-2-pyrrolidone and wherein the paste is delivered to the animal via the delivery device.
1 more element
Dependencies are inferred from the claim text.