So, is there more to YInMn blue than mixing proportions of these elements and kiln-firing them in a crucible? Because if that's all there is to it, then what's

So, is there more to YInMn blue than mixing proportions of these elements and kiln-firing them in a crucible? Because if that's all there is to it, then what's to stop me from experimenting to find the best proportions and personally violating any patents, for my own DIY projects?