US PATENT SUBCLASS 523 / 330
.~.~ Utilizing a gaseous stream to suspend or agitate a particulate solid polymer composition, e.g., fluidized bed, etc.

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}
330.~.~ Utilizing a gaseous stream to suspend or agitate a particulate solid polymer composition, e.g., fluidized bed, etc.

DEFINITION

Classification: 523/330

Utilizing a gaseous stream to suspend to agitate a particulate solid polymer composition, e.g., fluidized bed, etc.:

(under subclass 1) Process of treating or forming a desired or intentional composition wherein a gaseous steam is utilized to suspend or agitate a particulate solid polymer composition, e.g., fluidized bed or gaseous carrier, etc.

(1) Note. For example, included herein are various drying processes involving use of a gas stream such as spray drying, fluid bed drying, or jet drying.