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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
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










 
 
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