Originally Posted by
cyccommute
Wait a little longer (the glue should have a matt finish) for the glue and you won't have any problems. Use Rema TipTops and you'll absolutely never have problems

Yeah, it's true that I am often impatient when patching in the field, and it's likely that my occasional patch failures are caused by this! Fortunately, I hardly ever get flats anymore thanks to better tire choices.
What are Rema Tip Tops? Google gets me some automotive/industrial stuff, but nothing bike related. Hmmm...