 |
|
 |
| |
|
Inventor: Fischer; Dennis D.
Address: Laramie, WY
No. of patents: 2
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 4306621 |
Method for in situ coal gasification operations |
December 22, 1981 |
| An in situ coal gasification process adapted for large scale commercial projects is provided. Techniques are provided to insure establishment of a gasification front over the full seam thickness as each successive injection well in the array is brought on line. This is accomplished by |
| 3935006 |
Process for eluting adsorbed gold and/or silver values from activated carbon |
January 27, 1976 |
| A process is disclosed which is directed to recovering gold and/or silver values from activated carbon, wherein gold and/or silver has been adsorbed thereon. The process comprises eluting the activated carbon with water soluble alcohols or ketones either alone or with aqueous solutions t |
|
|
|
 |
|
 |
|
| |
Randomly Featured Patents |
|