| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
|---|
| 07/26/1977 | US4038028 Sewage sludge-irradiation device |
| 07/19/1977 | US4036942 Process for the removal of hydrogen sulfide and mercaptans from liquid and gaseous streams |
| 07/19/1977 | US4036866 Decomplexing |
| 07/19/1977 | US4036821 Manufacture of modified basic polyaminoamide with ammonium compound |
| 07/19/1977 | US4036808 Conductive hydrogel containing 3-ionene |
| 07/19/1977 | US4036751 Method of treating water containing chromate |
| 07/19/1977 | US4036750 Use of activated fluid coke to remove organic contaminants from waste waters |
| 07/19/1977 | US4036726 Method and apparatus for electrochemical contaminant removal from liquid media |
| 07/19/1977 | US4036716 Method to prevent the formation of incrustations on working electrodes in electrode steam generators or the like and a means for performing the method |
| 07/12/1977 | US4035484 Disinfecting, swimming pool water |
| 07/12/1977 | US4035301 System for pollution suppression |
| 07/12/1977 | US4035296 Waste water, gases |
| 07/12/1977 | US4035293 Process for treating an acidic waste water stream |
| 07/12/1977 | US4035292 Fluid solid contact process and apparatus |
| 07/12/1977 | US4035289 Purifying treatment for effluents of mineral oil drillings |
| 07/12/1977 | US4035269 Removal of mercury, chromium, copper compounds |
| 07/12/1977 | US4035259 Method for preparation of inorganic flocculating composition |
| 07/12/1977 | US4035241 Method and apparatus for purifying a liquid by pressure distillation |
| 07/12/1977 | US4035240 Water purification system |
| 07/12/1977 | US4035196 Absorbent composition |
| 07/12/1977 | US4035181 Steel wool, amines, ammonium salts, phosphates, ethylene oxides ion |
| 07/05/1977 | US4034102 Prevention of liver necrosis, hepatitis |
| 07/05/1977 | US4034067 Hydroxychlorides of aluminum and method |
| 07/05/1977 | US4033874 Apparatus for the treatment of liquids |
| 07/05/1977 | US4033764 Complexing, inorganic clay minerals, smectites |
| 07/05/1977 | US4033719 Aquariums |
| 06/28/1977 | US4032443 Removal of grease and oil from particulate bed granules by backwashing with a detergent |
| 06/28/1977 | US4032438 Especially oil; transducer |
| 06/28/1977 | US4032426 Electrolysis cells |
| 06/28/1977 | US4032421 Cleaning of flue gas apparatus |
| 06/28/1977 | US4032412 Process for optimal pressure control in a multi-stage evaporation unit |
| 06/28/1977 | US4031839 Reusable oil absorbent bilge and fuel tank opening pads |
| 06/21/1977 | US4031241 Certain bromoacetoxy acetylenes as slime control agents |
| 06/21/1977 | US4031138 Stable substituted acrylamides or methacrylamides |
| 06/21/1977 | US4031006 Vortex coagulation means and method for wastewater clarification |
| 06/21/1977 | US4030985 Apparatus for desalting saline water |
| 06/21/1977 | US4030907 Copper algaecide of increased stability and method of producing the same |
| 06/14/1977 | US4029745 Process for reducing molten ammonium sulfates containing metallic impurities to ammonia and sulfur dioxide |
| 06/14/1977 | US4029744 Process for removing the salt of a weak acid and a weak base from solution |
| 06/14/1977 | US4029578 Catalytic process for ozonation of water containing organic contaminants |
| 06/14/1977 | US4029575 Phosphorus removal from waste water |
| 06/14/1977 | US4029557 Treatment of water containing cyanide |
| 06/14/1977 | US4029114 Back filter automatic vehicle wash water reclaim system |
| 06/07/1977 | US4028394 Antibacterial and fungicidal S-phenylthiocarbamates |
| 06/07/1977 | US4028250 Filtration apparatus |
| 06/07/1977 | US4028246 Liquid purification system |
| 06/07/1977 | US4028242 Heat exchanging, steam |
| 06/07/1977 | US4028238 Dewatering, flocculant, calcium oxide or hydroxide, filtering |
| 06/07/1977 | US4028237 Method and apparatus for treatment of fluorine-containing waste waters |
| 06/07/1977 | US4028236 Reduction with tin-coated iron strips |
| 06/07/1977 | US4028233 Water purification process |
| 06/07/1977 | US4028199 Method of producing metal powder |
| 05/31/1977 | USRE29241 Water clarification process |
| 05/31/1977 | US4026946 Corrosion inhibitors |
| 05/31/1977 | US4026945 Anti-microbial quaternary ammonium co-polymers |
| 05/31/1977 | US4026831 Chelating polymers based on bis-epoxides and polyamines or polyimines |
| 05/31/1977 | US4026798 Peracid treatment of dry cleaning baths |
| 05/31/1977 | US4026796 Process for the purification of industrial effluents |
| 05/31/1977 | US4026795 Dimethyl ether |
| 05/31/1977 | US4026794 Process for resolving oil-in-water emulsions by the use of a cationic polymer and the water soluble salt of an amphoteric metal |
| 05/31/1977 | US4026791 Treatment of aqueous waste |
| 05/31/1977 | US4026790 Stripping zinc or cadmium complexes with sodium or potassium hydroxide |
| 05/31/1977 | US4026785 Electrolysis of alkali metal chlorides |
| 05/31/1977 | US4026712 Microorganism inhibitors |
| 05/31/1977 | US4026527 Vortex generator for controlling the dispersion of effluents in a flowing liquid |
| 05/24/1977 | US4025705 Insoluble adsorber resin suitable for treating drinking water and sewage |
| 05/24/1977 | US4025689 Method for manufacture of graphitized hollow spheres and hollow spheres manufactured thereby |
| 05/24/1977 | US4025653 Microbiocidal polymeric quaternary ammonium compounds |
| 05/24/1977 | US4025627 Microbiocidal polymeric quaternary ammonium compounds |
| 05/24/1977 | US4025617 Anti-microbial quaternary ammonium co-polymers |
| 05/24/1977 | US4025430 Removal of metal ions from waste water |
| 05/24/1977 | US4025429 Process for the purification of industrial effluent |
| 05/24/1977 | US4025428 Process for the purification of industrial effluents |
| 05/24/1977 | US4025423 Process for removing monohydric and polyhydric phenols from waste water |
| 05/24/1977 | US4025308 Electroseparative cell, microporous filter membrane |
| 05/24/1977 | US4024991 Imparter to provide silver to water supplies |
| 05/17/1977 | US4024257 Rapidly-soluble sodium dichloroisocyanurate dihydrate tablet |
| 05/17/1977 | US4024087 Alunite, sulphuric acid |
| 05/17/1977 | US4024055 Lead oxide |
| 05/17/1977 | US4024054 Bubbles formed by cells of living organisms |
| 05/17/1977 | US4024047 Electrostatic water treatment apparatus |
| 05/17/1977 | US4024037 Oxidation of cyanides |
| 05/17/1977 | US4023946 Rectification system for the separation of fluids |
| 05/10/1977 | US4022882 Germicidal solutions and methods for preserving and purifying milk, other beverages, foods, water and sewage effluent |
| 05/10/1977 | US4022708 Method of preparation for storage of liquids used in the reprocessing of spent nuclear fissile and/or fertile materials |
| 05/10/1977 | US4022696 Paper, pulp industries |
| 05/10/1977 | US4022691 Mixing chamber for thickening sewage sludge by means of a flocculation agent combined with overflow drainage means |
| 05/10/1977 | US4022688 Water, emulsifier, petroleum products, contaminants |
| 05/10/1977 | US4022606 Antimicrobial use of ω-aminocarboxylic acid amides |
| 05/03/1977 | US4021500 Oxidative dehydrogenation system |
| 05/03/1977 | US4021368 Process of treating mycelia of fungi for retention of metals |
| 05/03/1977 | US4021343 Water purifier |
| 05/03/1977 | US4021338 Hydrogen peroxide |
| 05/03/1977 | US4021021 Wetter for fine dry powder |
| 04/26/1977 | USRE29193 Fluid metering device |
| 04/26/1977 | US4020352 System for irradiating flowable material |
| 04/26/1977 | US4020004 Fusion with sodium carbonate and (1)basalt and boria or (2)silica and lime |
| 04/26/1977 | US4019986 With ozone generator and decomposition catalyst |
| 04/26/1977 | US4019983 Waste or sewage treatment; turbulent flow zone |
| 04/26/1977 | US4019982 Method for treatment of waste water containing organic pollutants |