Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
04/1976
04/20/1976US3951807 Magnet
04/20/1976US3951803 Marine sewage disposal device
04/20/1976US3951802 Water softener
04/20/1976US3951799 Filtration process
04/20/1976US3951798 Container filter combination
04/20/1976US3951797 Photooxidative destruction of organic wastes
04/20/1976US3951792 Polyvinyl pyrrolidone and polyethylenimine as flocculants
04/20/1976US3951791 Method for treating fouled water
04/20/1976US3951790 Thiuram polysulfide heavy metal remover
04/20/1976US3951753 Method and apparatus for the conversion of an aqueous scale-formed liquid
04/20/1976US3951752 Method and apparatus for converting saline water to fresh water
04/20/1976US3951198 Apparatus and method for recovering pure water from natural sources and industrial polluted waste sources
04/13/1976US3950490 Process for the treatment of carburizing salt wastes
04/13/1976US3950296 Yarn sizing, coatings
04/13/1976US3950253 Domestic water filtration apparatus
04/13/1976US3950250 Apparatus for purification of industrial waste water
04/13/1976US3950249 Sanitary waste treatment plant
04/06/1976US3949086 Antifungal or antibacterial composition and method
04/06/1976US3949061 Process for oxidizing hydrocyanic acid to cyanogen
04/06/1976US3949052 Process for the treatment of carburizing salt wastes
04/06/1976US3948867 Process for polymerizing acrylic acid with inhibitor and retarder present and the use of resultant polyacrylic acids
04/06/1976US3948863 Solid, water-insoluble polypeptides having ionizable side chains
04/06/1976US3948853 Chlorinated resin intended for water treatment
04/06/1976US3948808 Metal promoter
04/06/1976US3948791 Ion exchanger and method for the production thereof
04/06/1976US3948774 Water purification process and apparatus
04/06/1976US3948772 Split stream ultraviolet purification device
04/06/1976US3948769 Ligand exchange process for removal of ammonia
03/1976
03/30/1976US3947581 Synergistic compositions containing 1,3-dichloroacetone oxime acetate and specific isothiazolin-3-one compounds and their use
03/30/1976US3947396 Coacervation of anion-containing aqueous disperse systems with amphoteric polyelectrolytes
03/30/1976US3947374 Substituted halotriazines as peroxygen bleach activators
03/30/1976US3947354 By forming metal-polyelectrolyte complex
03/30/1976US3947353 Water purification process
03/30/1976US3947350 Process of preparing sewage sludge for dewatering
03/30/1976US3947327 Process and apparatus for recovering clean water from aqueous wastes
03/30/1976US3947248 Clarification of aqueous waste streams containing dispersed dyes
03/30/1976US3946679 Method and apparatus for treating a continuous flow of fluid waste products and other materials
03/23/1976US3945996 Antimicrobial activity for industrial water systems
03/23/1976US3945919 Process for the environmentally favorable destruction of solid and/or liquid cyanide waste
03/23/1976US3945918 Methods and apparatus for treating a liquid with a gas
03/23/1976US3945917 Decolorizing method for waste kraft paper mill effluents
03/23/1976US3945905 Brushes to sweep inner surface of cathode
03/23/1976US3945900 Polymeric anisotropic membrane, nonfouling
03/23/1976US3945892 Electrochemical process and apparatus including means for equalizing pressure across the ion-permeable wall
03/16/1976US3944687 Method of preparing purifying agents consisting of activated siliceous porous mineral substances
03/16/1976US3944487 Catalytic filtering-incinerating process and device for waste water
03/16/1976US3944478 Electrolytic drainage treating apparatus
03/16/1976US3944415 Removing heavy metal ions from water
03/16/1976US3943955 Stabilization of waste material
03/09/1976US3943261 Process for water disinfection and carbonation
03/09/1976US3943255 Alkyl polymaine microbiocides
03/09/1976US3943232 Process for the defluorination of dilute fluorine containing aqueous acid solutions
03/09/1976US3943114 Polymers of N-aminoalkyl acrylamides
03/09/1976US3943044 Method for treating sewage water
03/09/1976US3942970 Process for treating sewage sludge and fertilizer products thereof
03/02/1976US3942018 Production of ultra-violet radiation
03/02/1976US3941739 Flowable flocculants for water treatment
03/02/1976US3941704 Liquid conditioning and settling tanks
03/02/1976US3941700 Apparatus for magnetic treatment of a flowing liquid
03/02/1976US3941696 Sterilization of holding tanks and toilet bowls by quaternary compounds
03/02/1976US3941695 Water treatment
03/02/1976US3941694 Aliphatic alcohol
03/02/1976US3941677 Electrolytic regeneration cell
03/02/1976US3941663 Multi-effect evaporator
02/1976
02/24/1976US3940337 Horizontal flow clarifier
02/24/1976US3940334 Method for separating oil from water
02/17/1976US3939280 To form animal feed, multistage
02/17/1976US3939072 Apparatus for generating an oxidizing reagent for the treatment of polluted water
02/17/1976US3939070 Method and installation for the treatment of waste water to form useful water
02/17/1976US3938588 Deaerating feedwater heater
02/10/1976US3937399 Jet action chemical feeding method
02/10/1976US3937023 Waste and organic garbage disposal system without out-fall line or smoke stack
02/03/1976US3936382 Fluid eductor
02/03/1976US3936380 Means to counteract a clogging of drain pipes
02/03/1976US3936376 Method for collecting scale formations in water pipes
02/03/1976US3936375 Process for dewatering a proteinaceous, aqueous sludge and for removing and recovering precipitating agents from a precipitate containing proteinaceous substances
02/03/1976US3936364 Apparatus and method for treatment of water oligodynamically
01/1976
01/27/1976US3935269 Copolymers of N-substituted aziridines and epoxides episulfides
01/27/1976US3935188 Removal of hydrogen cyanide from acidic gases
01/27/1976US3935103 Apparatus for separating low-density liquid from a relatively more dense liquid substantially immiscible therewith
01/27/1976US3935101 Clarification process
01/27/1976US3935100 Or ammonium sulfate
01/27/1976US3935098 Adsorbent process for heavy metals
01/27/1976US3935092 Purification of a chloride solution
01/27/1976US3934599 Submerged multiport diffusers for cooling water discharge
01/20/1976US3934025 Synergistic compositions containing n-alkyl (C12 40%, C14 -50%, C16 -10%)dimethyl benzyl ammonium chloride and their use as slimicides
01/20/1976US3933812 Antimicrobial quaternary ammonium copolymers
01/20/1976US3933717 Water soluble linear macroamine polymers and method of producing them
01/20/1976US3933642 Flocculation apparatus
01/20/1976US3933639 Apparatus for preparing beverages
01/20/1976US3933635 Zinc smelter effluent, reductionchemical
01/20/1976US3933634 With dust coal or lignite
01/20/1976US3933632 Removal of immiscible fluids from water surfaces and lake beds
01/20/1976US3933630 Purification of waste water containing phthalic esters
01/20/1976US3933610 Desalination process by improved multistage electrodialysis
01/20/1976US3933606 Electrolytic purification
01/20/1976US3933600 Method and apparatus for desalinization of water
01/20/1976US3933597 Multistage flash evaporator for producing soft water from a saline water
01/20/1976US3933576 Evaporation chamber, heat exchanger, circulation pump
01/20/1976US3933169 Jet action chemical feeding apparatus