| |
 |
|
Class Information
Number: 585/861
Name: Chemistry of hydrocarbon compounds > Purification, separation, or recovery > By addition of extraneous agent, e.g., solvent, etc. > N-containing > Ammonia
Description: Subject matter wherein an agent is NH3
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6476284 |
Method of dehalogenating hydrocarbon containing carbon-carbon double bond |
Nov. 5, 2002 |
| 6395953 |
Process for preparing purified conjugated diene |
May. 28, 2002 |
| 6114593 |
Method for reducing organic fluoride levels in hydrocarbons |
Sep. 5, 2000 |
| 6100439 |
Styrene caustic wash extraction aid |
Aug. 8, 2000 |
| 5110364 |
Processes for decontaminating polluted substrates |
May. 5, 1992 |
| 5094723 |
Separation of m-xylene from p-xylene or o-xylene by extractive distillation with alcohols |
Mar. 10, 1992 |
| 4906302 |
Solids decontamination method with ammonia |
Mar. 6, 1990 |
| 4841998 |
Soil decontamination method |
Jun. 27, 1989 |
| 4642408 |
Method for the removal of nickel, aluminum and chlorine from olefin oligomers |
Feb. 10, 1987 |
| 4613726 |
Process for removing nickel, aluminum and chlorine from olefin oligomers |
Sep. 23, 1986 |
| 4455447 |
Process for upgrading hydrocarbon streams comprising conjugated diolefins |
Jun. 19, 1984 |
| 4437941 |
Separation of hydrocarbon and alcohol azeotropic mixtures by distillation with anhydrous ammonia |
Mar. 20, 1984 |
| 4296081 |
Process for purifying gaseous effluents |
Oct. 20, 1981 |
| 4244711 |
Process for minimizing the deposition of materials in the ammonia liquor coolers in the coking of carbonaceous materials |
Jan. 13, 1981 |
| 4128594 |
Process for the purification of alkyl aromatics |
Dec. 5, 1978 |
| 4117023 |
Method of separation of catalytic residues derived from aluminum chloride |
Sep. 26, 1978 |
| 4028485 |
Non-aqueous removal of soluble hydrogenation catalyst |
Jun. 7, 1977 |
|
|
|
