Patents
Sitemap › C23 - Coating metallic material; Coating material with metallic material; Chemical surface treatment; Diffusion treatment of metallic material; Coating by vacuum evaporation, by sputtering, by ion implantation or by chemical vapour deposition, in general; Inhibiting corrosion of metallic material or incrustation in general › C23F - Non-mechanical removal of metallic material from surfaces; Inhibiting corrosion of metallic material; Inhibiting incrustation in general; Multi-step processes for surface treatment of metallic material involving at least one process provided for in class and at least one process covered by subclass  or or class › C23F 14 - Inhibiting incrustation in apparatus for heating liquids for physical or chemical purposes
Patents for C23F 14 - Inhibiting incrustation in apparatus for heating liquids for physical or chemical purposes (579)
01/1996
01/17/1996EP0692459A1 Means for water treatment
12/1995
12/27/1995CN1113934A Solid composite containing sulfuric acid and its application
11/1995
11/02/1995EP0332666B1 Phenothiazine dimers and oligomers, process for preparing and use in reactor scale prevention
10/1995
10/17/1995CA1337324C Treatment of aqueous systems
09/1995
09/27/1995EP0674024A2 Method for controlling and removing solid deposits from a surface of a component of a steam generating system
09/18/1995CA2144572A1 Method for controlling and removing solid deposits from a surface of a component of a steam generating system
08/1995
08/09/1995EP0594806A4 Composition and method for scavenging oxygen.
06/1995
06/27/1995CA1336117C Preparation of water-soluble copolymers of maleic acid and use thereof as water treatment agents
05/1995
05/10/1995EP0652305A1 Closed cooling system corrosion inhibitors
05/05/1995CA2134908A1 Closed cooling system corrosion inhibitors
12/1994
12/27/1994US5376731 Forming phosphonic telomers for addition polymers; antiscaling agents for water systems
06/1994
06/29/1994EP0603811A1 Boiler water treatment composition
05/1994
05/04/1994EP0594806A1 Composition and method for scavenging oxygen
12/1993
12/29/1993CN1079969A Use of oligomers of methylene bis (phenothizaine) in reactor scale prevention
12/14/1993US5269956 Compatible corrosion inhibitor combinations
11/1993
11/03/1993CN1022627C Preparation method of methylene phenothiazine low polymer
10/1993
10/28/1993WO1993021361A1 Composition and method for scavenging oxygen
10/27/1993CN1077731A Composition and method for scavenging oxygen
07/1993
07/28/1993EP0552242A1 Oxygen removal with keto-gluconates
05/1993
05/12/1993EP0541318A1 Cooling water treatment composition and method
05/12/1993EP0541317A1 A method of scavenging oxygen from boiler waters with substituted quinolines
05/07/1993CA2082234A1 Method of scavenging oxygen from boiler waters with substituted quinolines
05/07/1993CA2055061A1 Cooling water treatment composition
04/1993
04/07/1993EP0256057B1 Scale inhibitor
03/1993
03/31/1993EP0534692A1 Corrosion inhibitor combinations and process for inhibiting corrosion in heat transfer fluids
02/1993
02/24/1993CN1069296A Cyclic cleaning method and cleaning agent for calcareous scale
02/02/1993US5183590 Mixing aminohydroxysuccinic acid compound with aqueous solution to prevent corrosion of ferrous metals
01/1993
01/05/1993US5176849 Corrosion resistance
12/1992
12/16/1992CN1067074A Method for tceating boiler scale
12/02/1992EP0516346A1 Telomers
12/01/1992US5167835 Method of scavenging oxygen from boiler waters with substituted quinolines
12/01/1992CA2070091A1 Telomers
10/1992
10/07/1992CN2118070U Filler type ion scale-proof device
09/1992
09/30/1992CN2117374U Plate ionic antiscale apparatus
09/08/1992CA1307262C Composition and process and use in reactor scale prevention
07/1992
07/15/1992EP0258237B1 Method and apparatus for reducing pitting in copper water pipes
06/1992
06/24/1992EP0491391A1 Water treatment agent
06/17/1992CN1062007A Efficient electrolysis incrustation-inhibiting device
05/1992
05/19/1992US5114618 Oxygen removal with keto-gluconates
04/1992
04/12/1992WO1992007108A1 Oxygen removal with keto-gluconates
01/1992
01/28/1992CA1294916C Induction method for the capacitive transfer of electromagnetic energy to a liquid or to biological tissues
12/1991
12/17/1991US5073299 Antifouling agent for treating water supply system
12/17/1991US5073269 Preparation of water-soluble copolymers of maleic acid and use thereof as water treatment agents
11/1991
11/20/1991CN1014806B Apparatus and method for electrical anti-corrosion of total-titanium heat-exchanger
09/1991
09/04/1991CN1013772B Method for controll corrosion by chlorine ion at dew point of heat exchanger
05/1991
05/08/1991EP0305412B1 Treatment of liquids and biological tissues by magnetic induction
11/1990
11/27/1990US4973409 Treatment of aqueous systems
10/1990
10/16/1990US4963268 Method and system for variable frequency electromagnetic water treatment
09/1990
09/26/1990EP0388836A1 Composition for treating water or aqueous systems
09/21/1990CA2012501A1 Composition for treating water or aqueous systems
08/1990
08/07/1990CA1272424A1 Scale inhibitor
07/1990
07/24/1990US4943371 Apparatus for reducing pitting in copper water pipes
07/03/1990US4938875 Method and apparatus for magnetically treating a liquid
04/1990
04/18/1990CN1041341A Treatment of aqueous systems
03/1990
03/28/1990EP0360747A2 Telomeric compound
03/28/1990EP0360745A1 Treatment of aqueous systems
10/1989
10/25/1989EP0338697A1 Method and system for variable frequency electromagnetic water treatment
09/1989
09/20/1989EP0332666A1 Phenothiazine dimers and oligomers, process for preparing and use in reactor scale prevention
09/20/1989CN1035685A Apparatus and method for electrical anticorrosion of total-titanium heat-exchanger
08/1989
08/15/1989US4857622 Scale and settlement inhibiting agent for use in treating industrial and/or household water
08/01/1989US4853446 Phenothiazine composition for use in reactor scale prevention
05/1989
05/30/1989EP0332666A4 Phenothiazine dimers and oligomers, process for preparing and use in reactor scale prevention.
04/1989
04/24/1989EP0256057A4 Scale inhibitor.
04/11/1989US4820422 Connecting into system casing filled with movable spheres
03/1989
03/08/1989EP0305412A1 Treatment of liquids and biological tissues by magnetic induction.
02/1989
02/22/1989CN1031228A Novel composition and process and use in reactor scale prevention
02/09/1989WO1989000993A1 Phenothiazine dimers and oligomers, process for preparing and use in reactor scale prevention
08/1988
08/23/1988CA1240901A1 Antifoulant agents for petroleum hydrocarbons
08/11/1988WO1988005763A1 Treatment of liquids and biological tissues by magnetic induction
08/03/1988EP0276464A2 Process for preparing hydrosoluble copolymers of maleic acid, and their use as water-treating agents
07/1988
07/12/1988CA1239069A1 Method of treating water to inhibit corrosion and diminish mineral deposition
04/1988
04/06/1988CN87105299A Corrosion by chlorine ion at dew point and its control method of technical apparatus for commercial production
03/1988
03/09/1988EP0258237A1 Method and apparatus for reducing pitting in copper water pipes.
02/1988
02/24/1988EP0256057A1 Scale inhibitor.
12/1987
12/15/1987US4713195 Scale inhibitor
08/1987
08/25/1987CA1226002A1 Methacrylic acid recovery
08/13/1987WO1987004696A1 Scale inhibitor
10/1986
10/21/1986CA1212840A1 Control of silica scaling during acid leaching of lateritic ore
10/09/1986WO1986005772A1 Method and apparatus for reducing pitting in copper water pipes
08/1986
08/05/1986CA1209009A1 Polyampholytes and their use
07/1986
07/08/1986CA1207211A1 Composition and method for inhibiting scale
05/1986
05/06/1986CA1204040A1 Anti-tartrate and precipitating agent for the treatment of industrial and/or domestic waste waters
04/1986
04/22/1986CA1203451A1 Treatment of aqueous systems
02/1986
02/11/1986CA1200457A1 Polyitaconic acid threshold scale inhibitor
01/1986
01/28/1986US4566972 Ethylenediaminetetraacetic acid or salt, maleic acid-styrenesulfonic acid copolymer
01/14/1986US4564499 Water flow
01/14/1986US4564456 Organosilylackylammonium salt
12/1985
12/17/1985US4559156 Cooling and adding acrylamide-methacrylic acid copolymer; especially usefull in hardwater systems
12/04/1985EP0163494A2 A method of treating water to inhibit corrosion and diminish mineral deposition
10/1985
10/23/1985EP0158687A1 Methacrylic acid recovery
10/02/1985EP0156031A1 Method of oil recovery
10/02/1985EP0156030A1 Aqueous drilling fluid
10/1984
10/23/1984CA1176515A1 Reducing corrosion of pauling boilers
10/16/1984US4476930 A nitrogen-containing salt to prevent deposition
09/1984
09/04/1984US4469615 Water treating compositions
07/1984
07/03/1984US4457847 Sequestering calcium and magnesium
06/1984
06/19/1984US4455240 Cationic polymers
06/19/1984US4454914 Method for conditioning geothermal brine to reduce scale formation
01/1984
01/10/1984CA1160136A1 Method and composition for treating aqueous mediums
11/1983
11/23/1983EP0094822A1 Scale-inhibiting compositions and process for inhibiting scale in systems exposed to water
1 2 3 4 5 6