| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
|---|
| 03/11/1998 | EP0827939A2 Apparatus and Method for Inhibiting Microbial Growth in an Aqueous Medium |
| 03/11/1998 | EP0827777A1 Gas-liquid processing apparatus |
| 03/11/1998 | EP0827690A2 Sulphur-containing quaternary ammonium ionene polymers and their use as microbicides |
| 03/11/1998 | EP0827486A1 Stabilized alkali or alkaline earth metal hypobromite and process for its production |
| 03/11/1998 | EP0827421A1 Coal ashes used for treating various media and facilities for using same |
| 03/11/1998 | CN2276020Y 净水器 Water Purifier |
| 03/11/1998 | CN2276019Y Ultrafiltration water purifier |
| 03/11/1998 | CN1175913A Method and apparatus for delivering electromagnetic energy into solution |
| 03/11/1998 | CN1175625A Process for producing fresh wiping solution and for treating used solution and apparatus for carrying out the process |
| 03/11/1998 | CN1175556A Facilities for treating waste water on large scale |
| 03/11/1998 | CN1175553A Method for removing heavy metals in flue gas absorption liquid |
| 03/11/1998 | CN1175552A Antiscaling compound and its preparing method |
| 03/11/1998 | CA2215101A1 Bubble floating type separator |
| 03/10/1998 | USRE35741 Process for purifying water |
| 03/10/1998 | US5726405 Waste water treatment method and apparatus |
| 03/10/1998 | US5725885 Composition for enhanced bioremediation of oil |
| 03/10/1998 | US5725805 Smectite-quaterary ammonium compound reaction product, waste paper |
| 03/10/1998 | US5725781 Method and catalyst for forced catalytic deoxygenation of sea water |
| 03/10/1998 | US5725780 Method for using novel high solids polymer compositions as flocculation aids |
| 03/10/1998 | US5725779 Conditioning soils |
| 03/10/1998 | US5725778 Current driver for electronic descaling |
| 03/10/1998 | US5725777 Reagent/drug cartridge |
| 03/10/1998 | US5725776 Methods for ultrafiltration control in hemodialysis |
| 03/10/1998 | US5725766 Sewage dewatering equipment |
| 03/10/1998 | US5725762 Separation treatment system |
| 03/10/1998 | US5725759 Reactor apparatus for treating water in iron removal system |
| 03/10/1998 | US5725757 Reactor for UV radiation for the treatment of liquids |
| 03/10/1998 | US5725753 Apparatus and method for cleaning semiconductor wafers |
| 03/10/1998 | US5725751 Process for the electro-oxidation of photographic solutions |
| 03/10/1998 | US5725749 From a mixture with lactose |
| 03/10/1998 | US5725748 Process and installation for treating cellulose waste lye |
| 03/10/1998 | US5724751 Process and apparatus for drying organic or inorganic materials |
| 03/06/1998 | CA2189475A1 Water filtering |
| 03/05/1998 | WO1998009369A1 Control circuit and method for piezoelectric transformer |
| 03/05/1998 | WO1998008626A1 Method and apparatus for removal of material utilizing near-blackbody radiation |
| 03/05/1998 | DE19635005A1 Car wash water treatment |
| 03/05/1998 | DE19634957A1 Preparation of oxygen enriched drinks |
| 03/05/1998 | DE19634527A1 Purification of effluent containing, e.g. dyestuffs |
| 03/05/1998 | DE19634208A1 Waste water treatment treated by low-voltage oxidative-electrochemical process on stainless steel cathode electrode |
| 03/05/1998 | CA2263867A1 Method and apparatus for removal of material utilizing near-blackbody radiation |
| 03/04/1998 | EP0826784A2 Carbon support impregnated with anthrahydroquinone and metal for treating noble metal complex ions in aqueous solution |
| 03/04/1998 | EP0826636A1 Water containing dissolved electrolytic hydrogen, and method and apparatus of production thereof |
| 03/04/1998 | EP0826502A1 Method and means for realising a fresh cleaning solution and for treating the used solution |
| 03/04/1998 | EP0826404A2 Tank for deaeration of water |
| 03/04/1998 | EP0826015A1 Foamed and cross-linked phenolic resin and method for making same |
| 03/04/1998 | CN2275580Y Tower plate type sewage treater |
| 03/04/1998 | CN2275578Y Split-type steam-liquid separator |
| 03/04/1998 | CN2275577Y 洁净进水座 Clean Water Block |
| 03/04/1998 | CN2275473Y Foam ceramic filtering stopper |
| 03/04/1998 | CN1175240A Process and article for disinfecting water |
| 03/04/1998 | CN1174913A Method for purifying black liquor in paper making and natural resource utilization |
| 03/04/1998 | CN1174818A No sewage discharge treatinent method for black liquor in paper making |
| 03/04/1998 | CN1174816A Sewage treating device |
| 03/04/1998 | CN1174814A Water purifier with pressure-bearing type stepless speed changing vortex reactor |
| 03/04/1998 | CN1037597C Water treatment plastic products for rectangular clarifiers |
| 03/04/1998 | CA2211378A1 Apparatus and method for inhibiting microbial growth in an aqueous medium |
| 03/03/1998 | US5724254 Apparatus and method for analyzing power plant water chemistry |
| 03/03/1998 | US5723548 Emulsified mannich acrylamide polymers |
| 03/03/1998 | US5723049 Treatment of a formaldehyde-containing waste stream |
| 02/28/1998 | CA2203201A1 Process of treating produced water with ozone |
| 02/26/1998 | WO1998008248A1 Method and device for washing electronic parts member, or the like |
| 02/26/1998 | WO1998007661A1 Process for decomposing triiodobenzene derivatives |
| 02/26/1998 | WO1998007660A1 Method of disinfecting water with iodine species |
| 02/26/1998 | WO1998007659A1 Magnetic fluid conditioner |
| 02/26/1998 | WO1998007658A1 Root intrusion and algae prevention device and method |
| 02/26/1998 | WO1998007657A1 Purifying water by superheated steam |
| 02/26/1998 | WO1998007491A1 Method and apparatus for extracting metal ions from aqueous solutions |
| 02/26/1998 | DE19635531A1 Verfahren zum Abbau von Triiodbenzolderivaten in wäßrigen Medien A method of degrading in aqueous media Triiodbenzolderivaten |
| 02/26/1998 | DE19634028A1 Appliance for water desalination with reservoir and treated water container |
| 02/26/1998 | DE19633737A1 Reaction products of clay with humic substances |
| 02/26/1998 | CA2264025A1 Purifying water by superheated steam |
| 02/25/1998 | EP0825154A2 Device for purification and disinfection of water |
| 02/25/1998 | EP0824504A1 Improved destruction of electron affinic contaminants during water treatment using free radical processes |
| 02/25/1998 | EP0824503A1 Waste water treatment process for producing high yields of drinking water |
| 02/25/1998 | EP0815057A4 Method for recuperating crude oil from spills |
| 02/25/1998 | EP0785909A4 Hydantoin-enhanced halogen efficacy in pulp and paper applications |
| 02/25/1998 | EP0785908A4 Method of treating liquids to inhibit growth of living organisms |
| 02/25/1998 | EP0669898B1 Method for removing at least one constituent from a solution |
| 02/25/1998 | CN2275093Y 多功能自动净水器 Multi-functional automatic water purifier |
| 02/25/1998 | CN2275092Y Household water purifier |
| 02/25/1998 | CN2275091Y Strong electronic scale proofing and scale removing device |
| 02/25/1998 | CN2275089Y 电子水处理器 Electronic water processor |
| 02/25/1998 | CN2275088Y Oil sucking bag |
| 02/25/1998 | CN2275087Y Fully automatic water purifying and sterilizing device |
| 02/25/1998 | CN2275086Y Distilled water machine |
| 02/25/1998 | CN2274981Y Rotary groove fixed net type water purifier |
| 02/25/1998 | CN1174178A Comprehensive treatment process for waste papermaking straw pulp liquor |
| 02/25/1998 | CN1174177A Compound aluminium silicate polymer water purifying agent |
| 02/25/1998 | CN1174176A Water purifying agent and its preparation |
| 02/25/1998 | CN1174175A Electric multiphase catalyzed reaction process disposing industrial waste water containing dinitrophenol |
| 02/25/1998 | CN1174174A Method for breaking down oxidizing substances in aqueous fluids |
| 02/25/1998 | CN1173997A Electromagnetic method and equipment capable of producing biological effect |
| 02/25/1998 | CN1037505C Treating method for discharging alkali liquid in synthesizing octene aldehyde system |
| 02/24/1998 | US5720947 Normal superphosphate containing mixture of calcium phosphates with calcium sulfate and phosphoric acid, atleast one undecylenic acid or methyl ester or polyalkoxylated undecylenic acid and sodium borate; deoderizing pig manure |
| 02/24/1998 | US5720889 Water pollution control |
| 02/24/1998 | US5720888 Water-soluble cationic copolymers and their use as flocculants |
| 02/24/1998 | US5720887 Methods for sludge dewatering |
| 02/24/1998 | US5720886 Mixing anionic polymer with mine waste water to form complex, mixing with source of ferric ions, then with source of hydroxyl ions, adding flocculant to precipitate complex, separating into clean water and high density sludge |
| 02/24/1998 | US5720885 Portable |
| 02/24/1998 | US5720882 Treatment method for waste water sludge comprising phoshorous, heavy metals and at least one metal |