one of the most interesting invention stories involves the post-it note by the 3M company. Through sheer luck and ingenuity, two employees at the multinational company improved on a basic design and helped make the post-it note a household product around the world. Perfecting the post-it note involved a very complicated process. It took several attempts to come up with the appropriate adhesive.involved experimenting with numerous chemicals,specifically the acrylate family of chemicals.