Quote Originally Posted by bubba
The only thing I can think of is use a steam iron to heat and soften the glue, then try using Goo-Gone to get rid of the residue. Never having tried removinga patch I don't know if this will work or not.
Or...
If you have a fabric steamer, try that. Or you might try puting the kettle on to boil. When it does, hold the back side of the patch area over the steam to heat and soften the adhesive. I suspect the patch will peel off OK. If there's any glue left on the cloth, heat it again with steam and try removing it by patting with a piece of duck tape or something similar.

I've used steam from a kettle to take the wrinkles out of neckties for years. And you can make a nice pot of tea after.