| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
|---|
| 05/16/1978 | US4089650 Use of Diels-Alder adducts of dihydro-nitrogen heterocyclic phosphoramidates as corrosion inhibitors |
| 05/09/1978 | US4088613 Reacting epihalohydrin with mixture of di-alkylamine and ammonia |
| 05/09/1978 | US4088575 Water quality, introduction of biological poison |
| 05/09/1978 | US4088573 Method for clarifying aqueous waste liquids containing acid dyes |
| 05/09/1978 | US4088550 Periodic removal of cathodic deposits by intermittent reversal of the polarity of the cathodes |
| 05/09/1978 | US4088451 Concentration of underground brines in situ by solar evaporation |
| 05/02/1978 | US4087513 Method of hydrolyzing urea contained in waste water streams |
| 05/02/1978 | US4087360 Method of inhibiting scale formation |
| 05/02/1978 | US4087359 Process for removing mercury and mercury salts from liquid effluents |
| 05/02/1978 | US4087357 Ion exchanging |
| 05/02/1978 | US4087356 Method for depolluting fresh and sea water from petroleum products |
| 05/02/1978 | US4087276 Removal of mercury from sludge by heating and condensing |
| 05/02/1978 | US4087262 Pressurized gas transfer system with dilution control |
| 04/25/1978 | US4086164 Method of disposing of waste water containing emulsified oil |
| 04/25/1978 | US4086160 Treatment of solids-liquid-gas mixtures |
| 04/25/1978 | US4086152 Treatment with negatively charged ions |
| 04/25/1978 | US4086057 Killing bacteria |
| 04/25/1978 | US4085887 Centrifuge for draining off sewage sludge |
| 04/18/1978 | US4085170 Bubbling, electrical spark discharge |
| 04/18/1978 | US4085044 Treatment of lime-sulfide tannery unhairing waste |
| 04/18/1978 | US4085043 Waste water treatment |
| 04/18/1978 | US4085041 Biological oxidation and flotation apparatus and method |
| 04/18/1978 | US4085028 Electrolytic chlorination device |
| 04/18/1978 | US4084950 Use of polyquaternary ammonium methylene phosphonates as microbiocides |
| 04/18/1978 | US4084944 Processing of radioactive liquid wastes |
| 04/11/1978 | US4083783 Removal of heavy metal ions from aqueous solutions with insoluble crosslinked-starch-xanthates |
| 04/11/1978 | US4083781 Reverse osmosis |
| 04/11/1978 | US4083778 Method for coalescing |
| 04/04/1978 | US4082835 Removal of SO2 from gases |
| 04/04/1978 | US4082671 Sludge thickening apparatus |
| 04/04/1978 | US4082661 Impregnation of porous ceramic filter with phenolic resin followed by carbonization |
| 04/04/1978 | US4082660 Removing hydrocarbons from water |
| 03/28/1978 | US4081816 Apparatus for processing photographic film and treating contaminated processing liquids |
| 03/28/1978 | US4081403 Adsorbent for the treatment of waste water |
| 03/28/1978 | US4081401 Process for producing adsorbent |
| 03/28/1978 | US4081378 Liquid aeration to reduce biological oxygen demand |
| 03/28/1978 | US4081370 Carbon black |
| 03/28/1978 | US4081366 Process for dewatering organic waste product |
| 03/28/1978 | US4081340 Method of and device for increasing the permeability of the skin of cells of living beings |
| 03/21/1978 | US4080427 Method of desulfurizing exhaust gases by wet lime-gypsum process |
| 03/21/1978 | US4080351 Effervescing |
| 03/21/1978 | US4080290 Method for removing phosphates from aqueous solutions |
| 03/21/1978 | US4080289 Apparatus for treating waste water or solution |
| 03/21/1978 | US4079585 Method and apparatus for removing volatile fluids |
| 03/14/1978 | US4079001 Process for the purification of industrial effluents |
| 03/14/1978 | US4078976 Solar potable water recovery and power generation from salinous water |
| 03/14/1978 | US4078975 Solar potable water recovery and power generation from salinous water |
| 03/07/1978 | US4078129 Alkali metal borate coagulant |
| 03/07/1978 | US4077963 Quaternary salts of methacrylic or acrylic esters |
| 03/07/1978 | US4077901 Encapsulation of nuclear wastes |
| 03/07/1978 | US4077879 Treatment of sulfide-bearing waters with chlorine dioxide |
| 03/07/1978 | US4077862 Device for regulating drinking water |
| 03/07/1978 | US4077849 Utilizing solar energy |
| 03/07/1978 | US4077612 Metering and wetting system |
| 02/28/1978 | US4076626 High strength cast modules for supporting reverse osmosis membranes |
| 02/28/1978 | US4076622 Microbiocidal macroreticular ion exchange resins, their method of preparation and use |
| 02/28/1978 | US4076621 Chelate oxidation of hydrogen sulfide in sour water |
| 02/28/1978 | US4076620 Adding lime, treating with carbon dioxide, settling, burning |
| 02/28/1978 | US4076619 Hydrophilic acrylic polymers as marine filters, algae growth catalysts, and breeding stimulus for fish and invertebrates |
| 02/28/1978 | US4076618 Treatment of liquids containing complexed heavy metals and complexing agents |
| 02/28/1978 | US4076617 Sonic cavitation and ozonation of waste material |
| 02/28/1978 | US4076616 Process for the biological purification of sewage |
| 02/28/1978 | US4076576 Method and apparatus for the evaporation of liquids |
| 02/28/1978 | US4076515 Removal of ammonia |
| 02/21/1978 | US4075243 Polyquaternary ammonium methylene phosphonates |
| 02/21/1978 | US4075177 Thermally hardenable cationic resin from dicarboxylic acid, dialkanolamine and polyamine copolymer condensed with epichlorohydrin |
| 02/21/1978 | US4075096 Suction device for an oil separation tank |
| 02/21/1978 | US4075094 Sodium hypochlorite treatment for removal of cyanurate compounds from aqueous waste streams |
| 02/21/1978 | US4075076 Flotation of suspended solids with bubbles produced by electrolysis |
| 02/21/1978 | US4075063 Solar powered distilling device |
| 02/21/1978 | US4074685 Apparatus for mixing medication with water supply |
| 02/14/1978 | US4074138 Apparatus for treating liquid sludge material |
| 02/14/1978 | US4074055 Process for preparing unsaturated imidazolines |
| 02/14/1978 | US4073873 Cobalt oxide spinel catalyst |
| 02/14/1978 | US4073860 Heating, acidity, hydrogen sulfide |
| 02/14/1978 | US4073726 Amine compound |
| 02/14/1978 | US4073712 Electrostatic water treatment |
| 02/14/1978 | US4073707 Method of operating a circulating bed cell |
| 02/14/1978 | US4073705 Electrolysis, formation of silver sulfide |
| 02/14/1978 | US4073677 Evaporator |
| 02/07/1978 | US4072798 Bioelectric neutralization of acid waters |
| 02/07/1978 | US4072794 Paraffin emulsions, latex, curing |
| 02/07/1978 | US4072678 Process for producing caprolactam |
| 02/07/1978 | US4072613 Ozone reactor for liquids |
| 02/07/1978 | US4072608 Polluted water purification |
| 02/07/1978 | US4072606 Method for coagulating a colloidal suspension |
| 02/07/1978 | US4072605 Method of obtaining a precipitate of metallic ions from solutions containing low concentrations of metal salts |
| 02/07/1978 | US4072596 Apparatus for removal of contaminants from water |
| 02/07/1978 | US4072579 Power generation and potable water recovery from salinous water |
| 01/31/1978 | US4071636 Silver halide precipitate on sheet of partially acetalled polyvinyl alcohol |
| 01/31/1978 | US4071450 Precipitation of iron related color bodies |
| 01/31/1978 | US4071449 Process for treatment of waste water exhausted from water-wash spray booth using water-soluble paint |
| 01/31/1978 | US4071448 Formaldehyde, heating in oxygen, decomposition, nontoxic products |
| 01/31/1978 | US4071447 Dewatering of wastewater treatment wastes |
| 01/31/1978 | US4071445 Method and apparatus for treating waste water on ships |
| 01/31/1978 | US4071431 Installation for the treatment of metals pickling solutions |
| 01/31/1978 | US4071398 Chemical concentration by sequential activated carbon adsorption and fractionation |
| 01/31/1978 | US4070714 Sewerless recirculating toilet and human waste storage system |
| 01/24/1978 | US4070289 Preparation of pyrogen-free water |
| 01/24/1978 | US4070287 Polymeric and cellulosic fiber material for removing oil from water |