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| Patents for B01D 11 - Solvent extraction (12,717) |
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| 03/16/1976 | US3944677 Coffee | | 03/16/1976 | US3944606 Process of producing alkali metal or ammonium citrates | | 03/16/1976 | US3944483 Distillative recovery of aromatics with water addition in azeotropic proportions | | 03/09/1976 | US3942951 Contact plate for mass-exchange apparatus | | 03/02/1976 | US3941793 Quinoline 2 carboxylic acids used in metal extraction processes | | 03/02/1976 | US3941679 Separation of hydrocarbonaceous substances from mineral solids | | 02/24/1976 | US3940334 Method for separating oil from water | | 02/24/1976 | US3940252 Apparatus for the releasing of materials from voluminous precipitates or suspensions | | 02/17/1976 | US3939281 Extraction of fat from starch-containing vegetable matter | | 02/10/1976 | US3937667 Precipitation, drops, gelation | | 02/03/1976 | US3936489 Process and equipment for solvent extraction | | 01/27/1976 | US3935076 Two stage separation system | | 01/20/1976 | US3933630 Purification of waste water containing phthalic esters | | 01/06/1976 | US3931006 Method of reducing sludge accumulation from tar sands hot water process | | 01/06/1976 | US3931001 Pentachlorophenol recovery with methylene chloride | | 01/06/1976 | US3930801 Apparatus for liquid extracting of products which are part of solid materials | | 01/06/1976 | US3930685 Solids flow control device |
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