April 24, 1944
Dr. N. Kaplan
On page 561 of Chemical and Engineering News, April 10, 1944, there Is mention of Acrawax C, which with asphalt melts increases the flow point without raising the brittling point. I suppose that you have tried this already; if not, it might be worth looking at.
Linus Pauling
LP:jr
cc to Fred Ewing