Patents for C23F 14 - Inhibiting incrustation in apparatus for heating liquids for physical or chemical purposes (579)
11/1983
11/22/1983US4416785 Scale-inhibiting compositions of matter
11/15/1983US4415542 Easy descaling of water-soluble magnesium sulfate-hematite
10/1983
10/25/1983CA1155682A1 Method and apparatus for testing the effectiveness of chemicals such as scale inhibitors or scale removers
10/05/1983EP0090574A1 Polyitaconic acid threshold scale inhibitor
09/1983
09/27/1983CA1154346A1 Method and composition for treating aqueous mediums
09/21/1983EP0089254A1 Control of silica scaling during acid leaching of lateritic ore
09/21/1983EP0089189A1 A calcium carbonate, magnesium hydroxide and calcium sulfate hemihydrate scale inhibitor
09/13/1983CA1153726A1 Process for scale inhibition in evaporative desalination units
08/1983
08/31/1983EP0087277A2 Polyamides and anti-fouling compositions containing them
08/30/1983CA1152848A1 Method and composition for treating aqueous mediums
08/23/1983CA1152265A1 Method for treating soft scale using acrylic acid polymer
08/16/1983US4399109 Control of silica scaling during acid leaching of lateritic ore
08/16/1983CA1151968A1 Method and composition for treating aqueous mediums
06/1983
06/29/1983EP0082657A2 Polyampholytes and their use
06/21/1983US4389324 Polymeric composition for preventing the formation of scale during evaporation of sugar juices
06/14/1983CA1148057A1 Method and composition to inhibit staining of porcelain surfaces by manganese
02/1983
02/22/1983US4374733 Acrylic acid-hydroxyalkyl acrylate copoly-mer, antiscaling agents
02/09/1983EP0071323A1 Method and composition for treating aqueous mediums
02/08/1983US4372870 Method and composition for treating aqueous mediums
10/1982
10/27/1982EP0063197A1 Method and composition for treating aqueous mediums
10/20/1982EP0062718A1 Method and composition for treating aqueous mediums
09/1982
09/01/1982EP0058794A1 Composition and method for treating an aqueous medium
04/1982
04/27/1982US4326980 Acrylic copolymer composition inhibits scale formation and disperses oil in aqueous systems
04/20/1982CA1122136A1 Anti-fouling agents and application of said agents
04/13/1982US4324664 Method and composition for treating aqueous mediums
02/1982
02/17/1982EP0046078A1 Inhibition of scale deposition
01/1982
01/19/1982US4311562 Method for inhibiting deposit formation in process equipment associated with separation and purification of alkyl phosphorochloridothioates
12/1981
12/22/1981CA1114978A1 Sludge conditioning composition for scale inhibition in water
12/01/1981US4303546 Process of treating aqueous heating media in heating systems, and composition
10/1981
10/14/1981EP0037508A1 Method for the decrease of corrosion on Pauling boilers
09/1981
09/29/1981US4292139 Method for inhibiting deposit formation in distillation units associated with separation and purification of alkyl phosphorochloridothioates
09/01/1981CA1108191A1 Silicate fouling control during dihydric alcohol production
08/1981
08/19/1981EP0034089A1 Method for the separation by distillation of a mixture of products containing an element liable to precipitate during a normal distillation of this mixture
08/18/1981US4284513 Process for preventing encrustations on surfaces which are in constant contact with aqueous solutions containing matter prone to crystallize
08/12/1981EP0033557A1 A method and apparatus for testing the effectiveness of chemicals such as scale inhibitors or scale removers
08/11/1981US4283300 Method and composition to inhibit staining of porcelain surfaces by manganese
06/1981
06/30/1981US4276124 Distillation system for sea water
04/1981
04/21/1981US4263092 Method for treating black liquor using acrylic acid polymer
03/1981
03/10/1981US4255470 Process for preventing polymer buildup in a polymerization reactor
02/1981
02/25/1981EP0024247A1 Composition and method for the control of scale and deposits in gas-liquid separations
01/1981
01/20/1981US4246103 Inhibit precipitation of hard water ions especially for industrial water and sludge
12/1980
12/23/1980CA1092052A1 Process for separating ammonia and acid gases from waste waters containing fixed ammonia salts
12/23/1980CA1092051A1 Process for separating ammonia and acid gases from waste waters containing fixed ammonia salts
11/1980
11/25/1980US4235698 Electronic water treatment apparatus
10/1980
10/21/1980CA1087957A1 Method of inhibiting deposition of scale from water
10/14/1980CA1087480A1 Gas scrubber scale and deposit control
09/1980
09/16/1980US4222853 Application of sulfosuccinic ester anti-fouling agents
09/02/1980US4220519 Method of suppressing the rise in surface temperature of heating tubes by ammonia injection
08/1980
08/05/1980US4216076 Antifoulant additives for hydrocarbon streams
06/1980
06/11/1980EP0011743A1 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
06/10/1980CA1079446A1 Treatment of interior surfaces of polymerization reactors to retard polymer buildup
04/1980
04/29/1980US4200501 Silicate fouling control during dihydric alcohol distillation
04/29/1980US4200500 Method of preventing the adhesion of scale to the heating surfaces of a thermal desalination apparatus
04/02/1980EP0009304A1 Process for inhibiting scaling in evaporative desalination units
02/1980
02/20/1980EP0008081A1 Method and apparatus for preventing scale formation in evaporators
08/1979
08/07/1979CA1059869A1 Chelating agents
01/1979
01/24/1979EP0000400A1 Process for preventing polymer buildup in a polymerization reactor
12/1978
12/05/1978CA1043653A1 Method of inhibiting the precipitation of scale-forming salts
10/1978
10/03/1978CA1039613A1 Method and composition of inhibiting scale
09/1978
09/26/1978US4116016 Corrosion-resistant liquified gas evaporator
09/05/1978US4111759 Process for separating ammonia and acid gases from waste waters containing fixed ammonia salts
08/1978
08/29/1978CA1037339A1 Bisulfite terminated oligomers to prevent scale
08/08/1978US4105841 Treatment of interior surfaces of polymerization reactors to retard polymer buildup
08/01/1978US4104131 Process for separating ammonia and acid gases from waste waters containing fixed ammonia salts
04/1978
04/18/1978US4085194 Absorption in sea water, formation of sulfites, oxidation to sulfates
09/1977
09/13/1977US4048066 Method of inhibiting scale
09/06/1977US4046707 Treatment of aqueous systems
07/1977
07/19/1977US4036716 Method to prevent the formation of incrustations on working electrodes in electrode steam generators or the like and a means for performing the method
05/1977
05/31/1977US4026815 Method for preventing corrosion in water-carrying systems
01/1977
01/11/1977US4002554 Purging, nitric oxide, distillation unit
10/1976
10/26/1976US3988422 Method of treating converter gas
10/19/1976US3987149 Method for removing sulfur dioxide from exhaust gas
09/1976
09/21/1976US3981740 Method for the removal and inhibition of metal scale formation in a hydrocarbon processing unit
07/1976
07/13/1976US3969193 Method for preventing scale in saline water desalting apparatus and saline water reclamation apparatus for carrying out said method
06/1976
06/22/1976US3965028 Bisulfite terminated oligomers to prevent scale
05/1976
05/25/1976US3959168 Synergistic sequestering agent compositions
05/25/1976US3959167 Method and composition of inhibiting scale
05/11/1976US3956164 Antiscaling agents
01/1976
01/20/1976US3933427 Phosphonoalkyldicarboxylic acid
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