Patent ID: 9572803
Date: 2017-02-21
CPC Classifications: A61K

Claim:
1. A coated granulate, comprising: a granulate consisting of at least one opioid in an amount between about 0.1 to about 90 percent by weight of the granulate mixed with two materials, wherein said first material is ethyl cellulose and is present in an amount between 5 and 75 percent by weight of the granulate and a second material that is selected from the group consisting of hydroxypropylmethylcellulose, methylcellulose, hydroxyethylmethylcellulose, and hydroxyethylcellulose and is present in an amount between 15 and 50 percent by weight of the granulate; and a coating on said granulate provided in an amount of between about 20 and about 7 5 percent by weight of the coated granulate exhibiting crush resistance, wherein the coating comprises ethylcellulose.