US PATENT SUBCLASS 52 / 172
.~ Hygroscopic material; e.g., internal drier

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

Internet Version by PATENTEC © 1999      Terms of Use


52 /   HD   STATIC STRUCTURES (E.G., BUILDINGS)

171.3  DF  TRANSPARENT PANEL HAVING ACTIVE TREATMENT WITH GAS OR LIQUID {1}
172.~ Hygroscopic material; e.g., internal drier

DEFINITION

Classification: 52/172

(under subclass 171.3) Structure in which the treating is a sorbent for water vapor.

SEE OR SEARCH CLASS

34, Drying and Gas or Vapor Contact With Solids,

80, 81, 467, and 468 for a process of drying a gas and directing it relative to discrete articles for the purpose of treating the article.

96, Gas Separation: Apparatus,

108+, for solid sorbent apparatus, per se.