.~.~.~> Creosote, wax, oil, asphalt, or bitumen coating
DEFINITION
Classification: 427/297
(under subclass 296) Processes wherein the base material is derived from the trunks or branches of trees or bushes.
(1) Note. Wood particles or fibers which have been chemically changed; e.g., regenerated cellulose etc., or water layed to form a paper, are not considered to be wood.