Patents for C23F 14 - Inhibiting incrustation in apparatus for heating liquids for physical or chemical purposes (579) |
---|
11/22/1983 | US4416785 Scale-inhibiting compositions of matter |
11/15/1983 | US4415542 Easy descaling of water-soluble magnesium sulfate-hematite |
10/25/1983 | CA1155682A1 Method and apparatus for testing the effectiveness of chemicals such as scale inhibitors or scale removers |
10/05/1983 | EP0090574A1 Polyitaconic acid threshold scale inhibitor |
09/27/1983 | CA1154346A1 Method and composition for treating aqueous mediums |
09/21/1983 | EP0089254A1 Control of silica scaling during acid leaching of lateritic ore |
09/21/1983 | EP0089189A1 A calcium carbonate, magnesium hydroxide and calcium sulfate hemihydrate scale inhibitor |
09/13/1983 | CA1153726A1 Process for scale inhibition in evaporative desalination units |
08/31/1983 | EP0087277A2 Polyamides and anti-fouling compositions containing them |
08/30/1983 | CA1152848A1 Method and composition for treating aqueous mediums |
08/23/1983 | CA1152265A1 Method for treating soft scale using acrylic acid polymer |
08/16/1983 | US4399109 Control of silica scaling during acid leaching of lateritic ore |
08/16/1983 | CA1151968A1 Method and composition for treating aqueous mediums |
06/29/1983 | EP0082657A2 Polyampholytes and their use |
06/21/1983 | US4389324 Polymeric composition for preventing the formation of scale during evaporation of sugar juices |
06/14/1983 | CA1148057A1 Method and composition to inhibit staining of porcelain surfaces by manganese |
02/22/1983 | US4374733 Acrylic acid-hydroxyalkyl acrylate copoly-mer, antiscaling agents |
02/09/1983 | EP0071323A1 Method and composition for treating aqueous mediums |
02/08/1983 | US4372870 Method and composition for treating aqueous mediums |
10/27/1982 | EP0063197A1 Method and composition for treating aqueous mediums |
10/20/1982 | EP0062718A1 Method and composition for treating aqueous mediums |
09/01/1982 | EP0058794A1 Composition and method for treating an aqueous medium |
04/27/1982 | US4326980 Acrylic copolymer composition inhibits scale formation and disperses oil in aqueous systems |
04/20/1982 | CA1122136A1 Anti-fouling agents and application of said agents |
04/13/1982 | US4324664 Method and composition for treating aqueous mediums |
02/17/1982 | EP0046078A1 Inhibition of scale deposition |
01/19/1982 | US4311562 Method for inhibiting deposit formation in process equipment associated with separation and purification of alkyl phosphorochloridothioates |
12/22/1981 | CA1114978A1 Sludge conditioning composition for scale inhibition in water |
12/01/1981 | US4303546 Process of treating aqueous heating media in heating systems, and composition |
10/14/1981 | EP0037508A1 Method for the decrease of corrosion on Pauling boilers |
09/29/1981 | US4292139 Method for inhibiting deposit formation in distillation units associated with separation and purification of alkyl phosphorochloridothioates |
09/01/1981 | CA1108191A1 Silicate fouling control during dihydric alcohol production |
08/19/1981 | EP0034089A1 Method for the separation by distillation of a mixture of products containing an element liable to precipitate during a normal distillation of this mixture |
08/18/1981 | US4284513 Process for preventing encrustations on surfaces which are in constant contact with aqueous solutions containing matter prone to crystallize |
08/12/1981 | EP0033557A1 A method and apparatus for testing the effectiveness of chemicals such as scale inhibitors or scale removers |
08/11/1981 | US4283300 Method and composition to inhibit staining of porcelain surfaces by manganese |
06/30/1981 | US4276124 Distillation system for sea water |
04/21/1981 | US4263092 Method for treating black liquor using acrylic acid polymer |
03/10/1981 | US4255470 Process for preventing polymer buildup in a polymerization reactor |
02/25/1981 | EP0024247A1 Composition and method for the control of scale and deposits in gas-liquid separations |
01/20/1981 | US4246103 Inhibit precipitation of hard water ions especially for industrial water and sludge |
12/23/1980 | CA1092052A1 Process for separating ammonia and acid gases from waste waters containing fixed ammonia salts |
12/23/1980 | CA1092051A1 Process for separating ammonia and acid gases from waste waters containing fixed ammonia salts |
11/25/1980 | US4235698 Electronic water treatment apparatus |
10/21/1980 | CA1087957A1 Method of inhibiting deposition of scale from water |
10/14/1980 | CA1087480A1 Gas scrubber scale and deposit control |
09/16/1980 | US4222853 Application of sulfosuccinic ester anti-fouling agents |
09/02/1980 | US4220519 Method of suppressing the rise in surface temperature of heating tubes by ammonia injection |
08/05/1980 | US4216076 Antifoulant additives for hydrocarbon streams |
06/11/1980 | EP0011743A1 Means for preventing scale deposit formation in the evaporation of sugar juices, a process for the evaporation of sugar juices and application of the means thereto |
06/10/1980 | CA1079446A1 Treatment of interior surfaces of polymerization reactors to retard polymer buildup |
04/29/1980 | US4200501 Silicate fouling control during dihydric alcohol distillation |
04/29/1980 | US4200500 Method of preventing the adhesion of scale to the heating surfaces of a thermal desalination apparatus |
04/02/1980 | EP0009304A1 Process for inhibiting scaling in evaporative desalination units |
02/20/1980 | EP0008081A1 Method and apparatus for preventing scale formation in evaporators |
08/07/1979 | CA1059869A1 Chelating agents |
01/24/1979 | EP0000400A1 Process for preventing polymer buildup in a polymerization reactor |
12/05/1978 | CA1043653A1 Method of inhibiting the precipitation of scale-forming salts |
10/03/1978 | CA1039613A1 Method and composition of inhibiting scale |
09/26/1978 | US4116016 Corrosion-resistant liquified gas evaporator |
09/05/1978 | US4111759 Process for separating ammonia and acid gases from waste waters containing fixed ammonia salts |
08/29/1978 | CA1037339A1 Bisulfite terminated oligomers to prevent scale |
08/08/1978 | US4105841 Treatment of interior surfaces of polymerization reactors to retard polymer buildup |
08/01/1978 | US4104131 Process for separating ammonia and acid gases from waste waters containing fixed ammonia salts |
04/18/1978 | US4085194 Absorption in sea water, formation of sulfites, oxidation to sulfates |
09/13/1977 | US4048066 Method of inhibiting scale |
09/06/1977 | US4046707 Treatment of aqueous systems |
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 |
05/31/1977 | US4026815 Method for preventing corrosion in water-carrying systems |
01/11/1977 | US4002554 Purging, nitric oxide, distillation unit |
10/26/1976 | US3988422 Method of treating converter gas |
10/19/1976 | US3987149 Method for removing sulfur dioxide from exhaust gas |
09/21/1976 | US3981740 Method for the removal and inhibition of metal scale formation in a hydrocarbon processing unit |
07/13/1976 | US3969193 Method for preventing scale in saline water desalting apparatus and saline water reclamation apparatus for carrying out said method |
06/22/1976 | US3965028 Bisulfite terminated oligomers to prevent scale |
05/25/1976 | US3959168 Synergistic sequestering agent compositions |
05/25/1976 | US3959167 Method and composition of inhibiting scale |
05/11/1976 | US3956164 Antiscaling agents |
01/20/1976 | US3933427 Phosphonoalkyldicarboxylic acid |