If it's a jacket that contains nylon in the fiber then your pretty much toast. The burn will look shiny and flat compared to the rest of the fabric if it's nylon. These are the only stains and burns I've dealt with, beyond that, I haven't a clue. Good luck man! Sorry I can't really help too much.
secret fucking SNOWBALL mission...
Chaitea, "The best gloves are mittens."
Park Guy, "Everytime it snows my dick takes a beating."