Description
Class 525 provides for all processes or products wherein asolid polymer is chemically modified or admixed with an additionalsolid polymer. It also provides for processes or products involvingnonsolid specified intermediate condensation products which areadmixed with an additional specified intermediate condensation product orspecified polymer forming ingredients. In addition, this classprovides for vinyl alcohol polymers or modified forms thereof andfor polyesters admixed with an ethylenic reactant.