Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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04/26/1977 | US4019952 Method of purifying the waste water of paper mills |
04/19/1977 | US4018894 Oxime carbonetes as fungicidal or bactericidal agents |
04/19/1977 | US4018683 Bilge water disposal system including oil recovery means |
04/19/1977 | US4018679 Adding alkaline metal oxide, water and surfactants to oily wastes |
04/19/1977 | US4018656 Thermal softening and distillation by regenerative method |
04/19/1977 | US4018645 Method of controlling slime during paper manufacture using alpha-chloro-acylbenzaldoxime derivatives |
04/19/1977 | US4018592 Cationic polymers |
04/19/1977 | US4018077 Apparatus for providing a controlled concentration of a substance in a flow of liquid |
04/12/1977 | US4017735 Ultraviolet liquid sterilizer |
04/12/1977 | US4017734 Water purification system utilizing ultraviolet radiation |
04/12/1977 | US4017610 Inhibiting growth of bacteria, fungi and algae with a lower alkyl tri-n-octyl phosphonium diphenyl phosphate |
04/12/1977 | US4017421 Wet combustion process |
04/12/1977 | US4017393 Apparatus for dispensing a liquid |
04/12/1977 | US4017392 Organic peroxides |
04/12/1977 | US4017391 Water treatment system |
04/12/1977 | US4017388 Phosphate precipitation with lime, sewage treatment |
04/12/1977 | US4017276 Deoxygenation of water |
04/05/1977 | US4016239 Recarbonation of spent oil shale |
04/05/1977 | US4016180 Chemical concentration by adsorption |
04/05/1977 | US4016102 Partial oxidation |
04/05/1977 | US4016080 Fluid filter and purifying apparatus |
04/05/1977 | US4016079 Automatic chlorine and pH control apparatus for swimming pools |
03/29/1977 | US4014955 Process for the manufacture of polyethers containing ionic bonds |
03/29/1977 | US4014792 Reverse osmosis, storage |
03/29/1977 | US4014787 Agglomeration of small particles, filtration |
03/29/1977 | US4014767 Self-contained waste disposal system including self-cleaning filter |
03/29/1977 | US4014766 Electrolytic treatment of waste water |
03/29/1977 | US4014676 Water treatment for controlling the growth of algae employing biguanides |
03/29/1977 | US4014526 Liquid moving and mixing apparatus |
03/22/1977 | US4013761 Chlorine dioxide generation |
03/22/1977 | US4013757 To ammonia and carbon dioxide |
03/22/1977 | US4013585 Nitrohumic acid-containing adsorbents and process for producing same |
03/22/1977 | US4013560 Energy production of wet oxidation systems |
03/22/1977 | US4013559 Prefabricated panels for sub-surface sewage effluent and waste water disposal |
03/22/1977 | US4013558 Water treatment |
03/22/1977 | US4013557 Sewage treatment apparatus |
03/22/1977 | US4013556 Combination flow distribution and collection apparatus |
03/22/1977 | US4013555 Biochemical oxygen demand |
03/22/1977 | US4013554 Method and apparatus for purifying water contaminated with anodically oxidizable organic matter |
03/22/1977 | US4013553 Fluid treatment method |
03/22/1977 | US4013552 Ultrasonics |
03/22/1977 | US4013516 Apparatus and process for the pyrolysis of waste solids concentrates |
03/15/1977 | US4012482 Scrubbing of ammonia from oxime liquid ion exchange reagents |
03/15/1977 | US4012354 Acrylamide polymers, nonionic surfactants, soda ash |
03/15/1977 | US4012321 Oxidation of refractory organics in aqueous waste streams by hydrogen peroxide and ultraviolet light |
03/15/1977 | US4012320 Alkali metal silicate and silicate setting agent |
03/15/1977 | US4012319 Floating particles with bubbles formed by flowing water over electrode grids |
03/15/1977 | US4012318 Adjusting ph |
03/15/1977 | US4012310 Electrostatic water treatment system |
03/08/1977 | US4011204 Quaternary salts of methacrylic or acrylic esters and cationic quaternay polyelectrolytes and ion exchange resins thereof |
03/08/1977 | US4011175 Composition for separating hydrocarbons from water |
03/08/1977 | US4011161 Treatment of waste water produced in the manufacture of expandable polystyrene |
03/08/1977 | US4011160 Or oxazine-modified polymers |
03/08/1977 | US4011159 Method of removal of petroleum products from solid or liquid surfaces |
03/08/1977 | US4011151 Process for purifying waste water by electrolysis |
03/01/1977 | US4010277 Synergistic compositions containing a polyoxyethylene sorbitol hexaoleate and their use |
03/01/1977 | US4010135 Composition and method for dispersing high molecular weight flocculant polymers in water |
03/01/1977 | US4010110 Process for dispersing contaminants in circulating water or polar organic liquid system |
03/01/1977 | US4010098 Resource recovery from disposal of solid waste and sewage sludge |
03/01/1977 | US4010080 Solar powered distilling device |
03/01/1977 | US4009706 Cationic melamine-formaldehyde acid colloid; anionic polyacrylamide |
02/22/1977 | US4009218 Alkylaromatic hydrocarbon dehydrogenation process |
02/22/1977 | US4009116 Process of preparing substantially organic waste liquids containing radioactive or toxic substances for safe, non-pollutive handling, transportation and permanent storage |
02/22/1977 | US4009104 Marine sanitation method and device |
02/22/1977 | US4009103 Method for improving the filterability of aluminum salts precipitated from aqueous solutions |
02/22/1977 | US4009101 Recycle treatment of waste water from nickel plating |
02/22/1977 | US4009098 Biochemical oxygen demand from water |
02/22/1977 | US4009082 Production of energy by direct contact of water immiscible working fluid with hot or warm water to vaporize liquid working fluid, utilization of vapor to produce mechanical energy and direct contact of spent vapor with cold or cool water to condense same |
02/15/1977 | US4008162 Waste treatment of fluoroborate solutions |
02/15/1977 | US4008161 Purification |
02/15/1977 | US4008156 Device for sucking the upper layer of a polluted water surface |
02/15/1977 | US4008153 Reactor for purification of water by fluid filtration |
02/15/1977 | US4008136 Process for the treatment of waste water by heterogeneous photosensitized oxidation |
02/15/1977 | US4008135 Method of deionizing solutions |
02/08/1977 | US4007120 Oxidation and ozonation chamber |
02/08/1977 | US4007118 Ozone oxidation of waste water |
02/08/1977 | US4007117 Polyelectrolyte flocculant |
02/08/1977 | US4007116 Process for the purification of waste waters with activated carbon |
02/08/1977 | US4007115 Process for treating spent monensic acid antibiotic fermentation broth containing relatively high concentrations of fatty and proteinaceous residues |
02/08/1977 | US4007094 Process and apparatus for recovering clean water from aqueous wastes |
02/01/1977 | US4006247 Polymer intermediates |
02/01/1977 | US4006081 Method for preventing gelation of thermosetting resins in waste water |
02/01/1977 | US4006080 Process for the treatment of acidic waste liquid containing dissolved salts |
02/01/1977 | US4006079 Oil absorbent material and method of oil removal |
02/01/1977 | US4006071 Accumulator program for electroplating energy |
02/01/1977 | US4005806 Apparatus for injection of hygroscopic powders into a high pressure liquid stream |
02/01/1977 | US4005521 Locked-wrap fuel rod |
01/25/1977 | US4005193 Microbiocidal polymeric quaternary ammonium compounds |
01/25/1977 | US4005043 Preparation of composition for converting hydrocarbons and fats into biodegradable aqueous emulsions |
01/25/1977 | US4005014 Water treatment system with prolonged aeration |
01/25/1977 | US4005011 Method for treating effluent resulting from the manufacture of synthetic dyestuffs and related intermediate chemicals |
01/25/1977 | US4005009 Method of treating waste water containing surfactant and heavy metals |
01/25/1977 | US4004994 Electrolytic cells |
01/25/1977 | US4004984 Distillation plant |
01/18/1977 | US4003832 Method of applying ozone and sonic energy to sterilize and oxidize waste water |
01/18/1977 | US4003365 Structure for collecting solar energy |
01/18/1977 | US4003213 Triple-point heat pump |
01/11/1977 | US4002567 Ultrafiltration apparatus |
01/11/1977 | US4002565 Waste-water process |
01/11/1977 | US4002564 Cation-exchange resins having cross-linked vinyl aromatic polymer matrix with attached amino alkylene phosphonic acid groups, their use, and preparation |