| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 01/13/1976 | US3932654 Preservation of aqueous systems with dialkyl bromonitromalonates |
| 01/13/1976 | US3932578 Method of making reaction bed material for artificial mineral water production |
| 01/13/1976 | US3932494 Thiohumic acid, a process for preparing same, and its use for absorbing heavy metal ions |
| 01/13/1976 | US3932363 Polyamines containing acid groups |
| 01/13/1976 | US3932282 Dissolved air floatation system |
| 01/13/1976 | US3932279 Multi-tank ion exchange water treatment system |
| 01/13/1976 | US3932278 Backwashing sand sewage treatment |
| 01/13/1976 | US3932275 Dewatering, polyacrylamide |
| 01/13/1976 | US3932274 Method for eliminating metals from a solution containing a very slight amount of the metals |
| 01/13/1976 | US3932224 Method of preventing scale from being deposited in case of producing fresh water from sea water |
| 01/13/1976 | US3932150 Vacuum deaerator |
| 01/06/1976 | US3931264 Method for recovering solubilized organotin halides |
| 01/06/1976 | US3931174 Alkylmercaptomethylquinoxaline-1,4-dioxides and oxidized derivatives thereof |
| 01/06/1976 | US3931122 Method for producing high molecular weight polyacrylamide type resins |
| 01/06/1976 | US3931063 Process for the manufacture of porous solids consisting of crosslinked urea-formaldehyde polycondensation products |
| 01/06/1976 | US3931012 Sewage treatment system |
| 01/06/1976 | US3931008 Apparatus for the treatment of liquid wastes |
| 01/06/1976 | US3931007 Method of extracting heavy metals from industrial waste waters |
| 01/06/1976 | US3931004 Method of treating waste liquids from photographic processings |
| 01/06/1976 | US3931003 Ion exchanger for the treatment of waste water |
| 01/06/1976 | US3931002 Process for removing heavy metals from solutions |
| 01/06/1976 | US3930982 Ferroelectric apparatus for dielectrophoresis particle extraction |
| 01/06/1976 | US3930960 Evaporator-condenser unit for producing potable water from sewage |
| 01/06/1976 | US3930958 Desalination apparatus |