drink a little vinegar.
don't drink. there is no point to it.
I usually chew mint gum, wash my face, and use spray deodorant.
Vodka and seltzer with lemon. Pretty much undetectable on the breath unless your boss kisses you
tooth brush and toothpast in your handbag
Altoid breath mints.
A) If it's a company dinner and they are serving spirits then there shouldn't be a problem, B) If you don't want to smell of alcohol then don't drink any.