US PATENT SUBCLASS 55 / 528
.~.~ Organic (e.g., vegetable)

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


55 /   HD   GAS SEPARATION

522  DF  SPECIFIC MEDIA MATERIAL {4}
527  DF  .~ Fibrous or strand form {1}
528.~.~ Organic (e.g., vegetable)

DEFINITION

Classification: 55/528

(under subclass 527) Apparatus in which the fiber or strand is derived from matter which is or has been living (e.g., hair, cellulose, coal) or is produced by organic chemical synthesis (e.g., nylon, polyethylene).