paynize

from The Collaborative International Dictionary of English v.0.48

Payne's process \Payne's process\
   A process for preserving timber and rendering it
   incombustible by impregnating it successively with solutions
   of sulphate of iron and calcium chloride in vacuo. --
   {Payn"ize}, v. t.
   [Webster 1913 Suppl.]

from The Collaborative International Dictionary of English v.0.48

Paynize \Payn"ize\, v. t. [From Mr. Payne, the inventor.]
   To treat or preserve, as wood, by a process resembling
   kyanizing.
   [1913 Webster]