Saturday, January 30, 2010
Land's key patent filed in 1944, issued in 1950 US2500421
We are studying this one today, mostly for the description of the preparation of the receiver sheet.
Here is the link to a pdf of US2500421
After reading this, one has to wonder if the titanium dioxide was thought of as a "nucleating agent" or even a particle.
Posted by Bob Crowley at 3:45 PM