A method of forming a colored polymer coating on a substrate is disclosed which comprises mixing a reactive polymer, a reactive colorant, and a linking agent, and reacting the linking agent with the reactive polymer and reactive colorant under suitable conditions to form the colored polymer coating....http://www.google.com.au/patents/US5231135?utm_source=gb-gplus-sharePatent US5231135 - Lightfast colored polymeric coatings and process for making same
