Graphene spray and ...

Non of these little companies can do research on graphene.
When it's available in a form they can use,they will.

Graphene coating can indeed improve properties of many products but on the other hand, it needs to be done professionally. Just spray it sounds like a bad idea. Btw there already are companies that are mass producing graphene. Any company can buy it in very pure form. For example check this.

" For example check this."

So in Broviet Russia, Graphene Sprays You? ;)