US PATENT SUBCLASS 585 / 847
.~.~.~.~ Triple-bond compound separated

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

Internet Version by PATENTEC © 1999      Terms of Use


585 /   HD   CHEMISTRY OF HYDROCARBON COMPOUNDS

800  DF  PURIFICATION, SEPARATION, OR RECOVERY {7}
833  DF  .~ By addition of extraneous agent, e.g., solvent, etc. {15}
845  DF  .~.~ Cu {3}
846  DF  .~.~.~ Ammoniacal, e.g., Cu ammonium acetate (CAA), etc. {1}
847.~.~.~.~ Triple-bond compound separated

DEFINITION

Classification: 585/847

Triple-bond compound separated:

(under subclass 846) Subject matter wherein the agent, e.g., CAA, etc., is added for separation or purification of acetylene or a substituted acetylene.

SEE OR SEARCH THIS CLASS, SUBCLASS:

830, for a separation process in which copper ammonium acetate in solid form, e.g., firmly held on a support, etc., is described as absorbing or adsorbing an unsaturated hydrocarbon.

SEE OR SEARCH CLASS

48, Gas: Heating and Illuminating, for the preparation of an acetylene-containing mixture from carbides by decomposition with water.

95, Gas Separation: Processes,

238, for processes of gas separation in which an alkyne (e.g., acetylene, etc.) is sorbed in a liquid.

423, Chemistry of Inorganic Compounds, particularly 245.1+, for a process wherein an initially gaseous or vaporous mixture is treated to remove or change one of the components by a chemical reaction.