US PATENT SUBCLASS 523 / 331
.~.~ Drying a composition which is situated on a moving substrate or drying utilizing a thin film evaporator

Current as of: June, 1999
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523 /   HD   SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES

*  DD  SYNTHETIC RESINS (Class 520, Subclass 1) {1}
1  DF  .~ PROCESSES OF PREPARING A DESIRED OR INTENTIONAL COMPOSITION OF AT LEAST ONE NONREACTANT MATERIAL AND AT LEAST ONE SOLID POLYMER OR SPECIFIED INTERMEDIATE CONDENSATION PRODUCT, OR PRODUCT THEREOF {71}
331.~.~ Drying a composition which is situated on a moving substrate or drying utilizing a thin film evaporator

DEFINITION

Classification: 523/331

Drying a composition which is situated on a moving substrate or drying utilizing a thin film evaporator:

(under subclass 1) Process of treating or forming a desired or intentional composition wherein there is (a) a step of drying a composition which is situated as a film or layer ona moving substrate, e.g., drum drying, etc., or (b) a step of removal of material using a thin film evaporator.