US PATENT SUBCLASS 252 / 69
.~ With low-volatile solvent or absorbent

Current as of: June, 1999
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252 /   HD   COMPOSITIONS

67  DF  VAPORIZATION, OR EXPANSION, REFRIGERATION OR HEAT OR ENERGY EXCHANGE {2}
69.~ With low-volatile solvent or absorbent

DEFINITION

Classification: 252/69

(under subclass 67) Compositions which contain substances of relatively low volatility as solvents or absorbents for gases or for substances of relatively high volatility.

SEE OR SEARCH CLASS

502, Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making, for solid absorbents, per se, or processes of making them.