Yves Klein "International Klein Blue" (IKB) is a process registered in France on 19 May 1960 at the Institut national de la propriété industrielle (INPI) under Soleau envelope no. 63471 by the French artist Yves Klein. It combines ultramarine blue pigment with a very specific binder created with the help of a chemist. More @Wikipedia
Hover over any link to get a description of the article. Please note that search keywords are sometimes hidden within the full article and don't appear in the description or title.