This is a continuation of application Ser. No. 08/055,433, filed Apr. 29, 1993, abandoned.
Number | Name | Date | Kind |
---|---|---|---|
3212197 | Crawford | Oct 1965 | |
3525673 | Cameron | Aug 1970 | |
3991481 | Coraor et al. | Nov 1976 | |
4217222 | Harendza-Harinxma | Aug 1980 | |
4676908 | Ciepiela et al. | Jun 1987 | |
4738206 | Noland | Apr 1988 | |
4974528 | Barcell | Dec 1990 | |
5052313 | Walker | Oct 1991 | |
5072674 | Noland et al. | Dec 1991 | |
5103578 | Rickard | Apr 1992 | |
5121699 | Frank | Jun 1992 | |
5142998 | Feitel | Sep 1992 | |
5152233 | Spisak | Oct 1992 | |
5187131 | Tiggelbeck et al. | Feb 1993 | |
5188041 | Noland et al. | Feb 1993 | |
5199354 | Wood | Apr 1993 | |
5228803 | Crosby et al. | Jul 1993 | |
5245113 | Schulz | Sep 1993 | |
5272833 | Prill et al. | Dec 1993 |
Entry |
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"In Situ Steam/Hot-Air Soil Stripping", Toxic Waste (USA) Inc., EPA Site Technology Evaluation Demonstration Bulletin, EPA/540/M5-90/003, Feb., 1990. |
"Batch Steam Distillation and Metal Extraction" It Corporation, EPA Site Technology Profile, pp. 224-225, Nov. 1991; EPA Vendor Information System for Innovative Treatment Technologies (Visitt), pp. 1-22, Sep. 27, 1991. |
"Thermal Desorption by Steam Stripping/Solid Waste Desorption", Texarome Inc. EPA Site Technology Profile, pp. 152-153, Nov. 1991; EPA Visitt, pp. 1-14 Aug. 19, 1991; and Related Excerpt, pp. 1-3. |
"Here's How it Works" Clean Soil Steam Remediation Technology, Soils p. 42, May 1992. |
Number | Date | Country | |
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Parent | 55433 | Apr 1993 |