The present invention is a continuation-in-part of U.S. application Ser. No. 864,178 filed May 16, 1986, now abandoned.
Number | Name | Date | Kind |
---|---|---|---|
2918140 | Brooks | Dec 1959 | |
3085379 | Kiyonaga et al. | Apr 1963 | |
3176444 | Kiyonaga | Apr 1965 | |
3594983 | Yearout | Jul 1971 | |
3751878 | Collins | Aug 1973 | |
3957463 | Drissel et al. | May 1976 | |
3979175 | Kattan et al. | Sep 1976 | |
4000990 | Bingham | Jan 1977 | |
4013429 | Sircar et al. | Mar 1977 | |
4077779 | Sircar et al. | Mar 1978 | |
4153428 | Saunders et al. | May 1979 | |
4249915 | Sircar et al. | Feb 1981 | |
4264340 | Sircar et al. | Apr 1981 | |
4314828 | Saito et al. | Feb 1982 | |
4329158 | Sircar | May 1982 | |
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4472178 | Kumar et al. | Sep 1984 | |
4539019 | Koch | Sep 1985 | |
4705541 | Sircar | Nov 1987 |
Entry |
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Pressure Swing Adsorption for Natural Gas or Methane Recovery from Landfill Gas--E. Richter, K. D. Henning, K. Knoblauch and H. Juntgen, Bergbau-Forschung GmbH, Franz-Fischer-Weg 61, 43 Essen 13. |
Literature Publication by Bergbau-Forschung "A New Process for the Production of High BTU Gas", W. R. Koch, 3/17/86. |
Sales Brochure titled "Landfill Gas Treatment Experience with the GEMINI 5 System", K. F. Potochnik et al., 1987. |
Sales Brochure titled "Landfill Gas Purification with the GEMINI 5 System", No. 522-604. |
Number | Date | Country | |
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Parent | 864178 | May 1986 |