Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
06/1976
06/22/1976US3965085 Method for refining of soaps using solvent extraction
06/22/1976US3965070 Crosslinked vinylcarbonyl resins having α-amino acid functionality
06/22/1976US3965037 Method for reactivating carbon
06/22/1976US3965008 Portable water sterilization device
06/22/1976US3965007 Protein skimmer
06/22/1976US3965002 Process for reducing dissolved inorganic orthophosphates to PPB levels in aqueous systems
06/22/1976US3965001 Dissolving strontium hydroxide in sea water, precipitating strontium carbonate, adsorption
06/22/1976US3964991 Method and apparatus for precipitating colloids from aqueous suspensions
06/22/1976US3964960 Process for concentrating brine
06/22/1976US3964886 Gas scrubbing apparatus
06/15/1976US3963640 Process of preparing sodium-aluminum silicate dispersion complex and composition
06/15/1976US3963637 Compositions for treating domestic and industrial liquid wastes
06/15/1976US3963619 Apparatus for the prevention of scaling in desalination apparatus
06/15/1976US3963610 Method of removing phenol from waste water
06/15/1976US3963567 Electrolyticdialysis
06/08/1976US3962456 1,3-dichloroacetone oxime acetate and b-bromo-b-nitrostyrene
06/08/1976US3962332 Bis-quaternary ammonium compounds and polymers
06/08/1976US3962119 Non-foaming dispersing composition
06/08/1976US3962114 Method for solidifying liquid radioactive wastes
06/08/1976US3962113 Method for accelerating oxygen removal employing an aqueous solution of an alkyl hydrazine
06/08/1976US3962093 Apparatus for removing contaminants from the surface of a fluid
06/08/1976US3962089 Apparatus for softening hard water
06/08/1976US3962084 Rain storing tank
06/08/1976US3962083 Apparatus and method for protecting a shoreline against contamination from an oil spill
06/08/1976US3962079 Acid treated cationic starch in the flocculation and dewatering of sludge
06/08/1976US3962077 Process for the purification of waste waters
06/08/1976US3962076 Process for converting aqueous sewage to potable water
06/08/1976US3962074 Butanol, butyl acrylate
06/08/1976US3962073 Process for treating a waste liquid of hydrosulfite
06/08/1976US3962069 System for treating sludge
06/08/1976US3961976 Carboxymethyl cellulose, urea, oxidizing agent, metal ion
06/08/1976US3961939 3-Oxocyclohex-1-enyl 2-methoxy-3,6-dichlorobenzoate, and herbicidal use thereof
06/08/1976US3961658 Sea water desalination apparatus
06/01/1976US3961042 Quaternary ammonium co-polymers for controlling the proliferation of bacteria
06/01/1976US3960760 Sewer waste water treating agent produced from waste cracking catalyst
06/01/1976US3960724 Brown coal
06/01/1976US3960723 Magnetization of iron chromium system
06/01/1976US3960722 Oil adsorbent
06/01/1976US3960721 Fluid treating apparatus and method
06/01/1976US3960718 Method and apparatus for treating liquid sewage and waste
06/01/1976US3960695 Apparatus for the electrolytic production of insoluble metal hydroxide
06/01/1976US3960668 Solar powered sea water evaporating and condensing unit
06/01/1976US3960648 Method for treating pulp-containing waste liquors
06/01/1976US3960584 Cellulose ether
05/1976
05/25/1976US3959301 Herbicide
05/25/1976US3959176 Non-foaming dispersing composition
05/25/1976US3959144 Apparatus for biological and chemical purification of water by agglomeration
05/25/1976US3959134 Surfactant, glycol solvent, nonpolar solvent
05/25/1976US3959133 Alum recovery and waste disposal in water treatment
05/25/1976US3959132 Hydrolysis to fluorides for precipitation
05/25/1976US3959131 Apparatus and method for removing pollutants from wastewater
05/25/1976US3959130 Process for decontaminating sewage containing cyanide
05/25/1976US3959129 Waste treatment process
05/25/1976US3959127 Biodegradation of oil on water surfaces
05/25/1976US3959126 Sewage handling and disposal process for chloride (NaCl) contaminated sludges
05/25/1976US3959110 Apparatus for silver recovery
05/25/1976US3958364 Production of algal bio-polymers
05/18/1976US3957904 Anionic acrylamide copolymer and an amino resin precondensate
05/18/1976US3957647 Water pollution control
05/18/1976US3957642 Sewage treatment
05/18/1976US3957632 Waste-water purification
05/18/1976US3957617 Water treatment device with transistorized circuit
05/18/1976US3957589 Water purification apparatus
05/18/1976US3957504 Metals, chelate compounds
05/18/1976US3957017 Contaminant filter in a closed-loop aquaculture system
05/11/1976USRE28808 Polyquaternary flocculants
05/11/1976USRE28807 Polyquaternary flocculants
05/11/1976US3956502 Polyamine alcohols as microbiocides
05/11/1976US3956444 Process for producing a rapidly-soluble sodium dichloroisocyanurate dihydrate tablet
05/11/1976US3956244 Copolymerization
05/11/1976US3956137 Pollution control apparatus
05/11/1976US3956132 High frequency generator
05/11/1976US3956126 Apparatuspollution control
05/11/1976US3956122 Cationic arylamide-styrene copolymers and flocculation of sewage therewith
05/11/1976US3956121 Process for the precipitation of heavy metal ion-polycarboxylate complexes
05/11/1976US3956119 Flocculation process
05/11/1976US3956118 Removal of phosphate from waste water
05/11/1976US3956117 Cationic polymers for breaking oil-in-water emulsions
05/11/1976US3956116 Shearing
05/11/1976US3956059 Evaporation, agitation
05/04/1976US3954682 Granules or beads
05/04/1976US3954602 Process for cleaning used oils
05/04/1976US3954594 Electrochemical cell for decreasing the cyanide and heavy metal content of an aqueous solution
05/04/1976US3954589 Process of water treatment
05/04/1976US3954381 Method of and apparatus for incinerating an aqueous solution containing nitro compounds
05/04/1976US3953972 Geothermal energy recovery process
04/1976
04/27/1976US3953577 Process for purifying gases containing HCN
04/27/1976US3953571 Process for the treatment of carburizing salt wastes
04/27/1976US3953570 Process for the treatment of carburizing salt wastes
04/27/1976US3953550 Apparatus for aerating liquids
04/27/1976US3953545 Polymers containing silver and copper
04/27/1976US3953354 Encapsulated calcium hypochlorite granules
04/27/1976US3953332 Purification of waste water containing organic and inorganic impurities
04/27/1976US3953331 Oxidation
04/27/1976US3953330 Flocculation, quaternary ammonium polymer
04/27/1976US3953326 Oxygen aeration system for contaminated liquids
04/27/1976US3953306 Metal recovery from waste treatment sludges
04/20/1976US3952202 Apparatus for irradiating flowable material
04/20/1976US3952088 Effluent treatment
04/20/1976US3951811 Modular container