Quote Originally Posted by Davec101 View Post
Thats interesting, is it possible to view these patents online regarding its use for blueprints and is there any historical evidence of its use for platinum/palladium printing?
Oh lordy, https://www.google.com/?tbm=pts#bav=...fe=off&tbm=pts

I'll try to find the one from American Cyano or whatever that company is called. I think I have it bookmarked on another machine somewhere. Too many patents!