Patent ID: 9693976
Date: 2017-07-04
CPC Classifications: A61K,A61P

Claim:
1. A solid-forming local anesthetic formulation comprising from 4 wt % to 10 wt % lidocaine, from 4 wt % to 10 wt % tetracaine, from 10 wt % to 18 wt % polyvinyl alcohol, from 30 wt % to 50 wt % water, from 2 wt % to 6 wt % of sorbitan monopalmitate or sorbitan monostearate, from 18 wt % to 32.4 wt % dicalcium phosphate, and from 2 wt % to 13 wt % petrolatum, wherein the water to polyvinyl alcohol weight ratio (w/w) is greater than 2.4.