| Patent Number |
Title Of Patent |
Date Issued |
| 4703032 |
Active coke produced from pit coal and production process thereof |
October 27, 1987 |
| The granulates of active coke produced from pit coal have an inactive abrasion-proof core based on coal or a ceramic material, as well as an envelope based on active coke particles adhering to the core. Various processes for producing said granulates are disclosed. In one embodiment, |
| 4407701 |
Apparatus for treating gases produced from coal |
October 4, 1983 |
| Apparatus for treating gases produced from the conversion of coal, e.g., from carbonization of coal, to remove the undesirable constituents thereof is disclosed. The method involves passing the hot raw gases from the coal conversation process over a coke bed at a temperature of more than |
| 4303495 |
Recovery of liquid and gaseous hydrocarbons from raw materials containing hydrocarbons such as o |
December 1, 1981 |
| Recovering liquid and gaseous hydrocarbons from solid raw materials containing hydrocarbons such as oil shale or coal by treating with a solvent oil at a temperature of 610.degree. K.-690.degree. K. and under pressure in the presence of hydrogen. The oil solvent is introduced into a |
| 4254338 |
Determination of temperature distributions on awkwardly located or low-access surfaces |
March 3, 1981 |
| An infrared heat-image camera is aimed at a hot surface not perpendicular thereto but instead in a direction almost parallel to the surface, presenting to the camera a heat image of the surface not cartesian but instead highly distorted in accordance with the laws of optical perspect |
