US PATENT SUBCLASS 210 / 670
.~.~ Including rehabilitating or regenerating exchange material or sorbent

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

Internet Version by PATENTEC © 1999      Terms of Use


210 /   HD   LIQUID PURIFICATION OR SEPARATION

600  DF  PROCESSES {14}
660  DF  .~ Ion exchange or selective sorption {8}
670.~.~ Including rehabilitating or regenerating exchange material or sorbent {7}
671  DF  .~.~.~> Of oil sorbent material
672  DF  .~.~.~> Fractional, selective, or partial type
673  DF  .~.~.~> Utilizing gas, water, or chemical oxidizing or reducing agent
674  DF  .~.~.~> Utilizing organic regenerant
675  DF  .~.~.~> Rehabilitating or regenerating in diverse zone or chamber {1}
677  DF  .~.~.~> Using conserved or recirculated fluid
678  DF  .~.~.~> Including liquid flow direction change

DEFINITION

Classification: 210/670

Including rehabilitating or regenerating exchange material or sorbent:

(under subclass 660) Process including restoring the separatory material to the condition in which it was before the separatory process.

SEE OR SEARCH CLASS

75, Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures,

101+, for processes of chemical leaching peculiar to hydrometallurgy.

134, Cleaning and Liquid Contact With Solids,

10+, for a process of regeneration or purification of the agent used in a process there provided for.

252, Compositions,

411+, for a process of regenerating solid adsorbents. 423, Chemistry of Inorganic Compounds, appropriate subclasses for extracting, leaching, or dissolving processes therein provided for; and

658.5, for extracting, leaching, or dissolving processes not otherwise provided for.

502, Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making,

20+, for processes of regenerating or rehabilitating catalyst or sorbent.

521, Synthetic Resins or Natural Rubbers,

26, for a process of regenerating ion exchange polymers.