GB1414918A - Treatment of water to prevent the deposition of scale - Google Patents

Treatment of water to prevent the deposition of scale

Info

Publication number
GB1414918A
GB1414918A GB718173A GB718173A GB1414918A GB 1414918 A GB1414918 A GB 1414918A GB 718173 A GB718173 A GB 718173A GB 718173 A GB718173 A GB 718173A GB 1414918 A GB1414918 A GB 1414918A
Authority
GB
United Kingdom
Prior art keywords
acid
water
added
monomer
feb
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB718173A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ciba Geigy UK Ltd
Original Assignee
Ciba Geigy UK Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ciba Geigy UK Ltd filed Critical Ciba Geigy UK Ltd
Priority to GB718173A priority Critical patent/GB1414918A/en
Priority to IL44110A priority patent/IL44110A/en
Priority to AU65049/74A priority patent/AU479241B2/en
Priority to SE7401266A priority patent/SE397954B/xx
Priority to CY1000A priority patent/CY1000A/xx
Priority to DE2405192A priority patent/DE2405192C2/de
Priority to CA191,990A priority patent/CA1019476A/en
Priority to EG36/74A priority patent/EG11050A/xx
Priority to IT7420420A priority patent/IT1009636B/it
Priority to NLAANVRAGE7401903,A priority patent/NL181865C/xx
Priority to AR252314A priority patent/AR201367A1/es
Priority to PL1974168764A priority patent/PL88620B1/pl
Priority to ZA00740949A priority patent/ZA74949B/xx
Priority to SU741995597A priority patent/SU730293A3/ru
Priority to FR7404864A priority patent/FR2217274B1/fr
Priority to JP1809874A priority patent/JPS5429998B2/ja
Priority to BR741045A priority patent/BR7401045D0/pt
Priority to DK75474A priority patent/DK146185C/da
Priority to MT759A priority patent/MTP759B/xx
Priority to BE140853A priority patent/BE810967A/xx
Publication of GB1414918A publication Critical patent/GB1414918A/en
Priority to US05/811,658 priority patent/US4126549A/en
Priority to HK266/79A priority patent/HK26679A/xx
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • 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 SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
    • C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
    • C23F11/10—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using organic inhibitors
    • C23F11/173—Macromolecular compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
    • C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
    • C02F5/10—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F22/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals each having only one carbon-to-carbon double bond, and at least one being terminated by a carboxyl radical and containing at least one other carboxyl radical in the molecule; Salts, anhydrides, esters, amides, imides or nitriles thereof
    • C08F22/04—Anhydrides, e.g. cyclic anhydrides
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F8/00—Chemical modification by after-treatment
    • C08F8/44—Preparation of metal salts or ammonium salts
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F222/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a carboxyl radical and containing at least one other carboxyl radical in the molecule; Salts, anhydrides, esters, amides, imides, or nitriles thereof
    • C08F222/04—Anhydrides, e.g. cyclic anhydrides
    • C08F222/06—Maleic anhydride
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2800/00—Copolymer characterised by the proportions of the comonomers expressed
    • C08F2800/20—Copolymer characterised by the proportions of the comonomers expressed as weight or mass percentages
GB718173A 1973-02-14 1973-02-14 Treatment of water to prevent the deposition of scale Expired GB1414918A (en)

Priority Applications (22)

Application Number Priority Date Filing Date Title
GB718173A GB1414918A (en) 1973-02-14 1973-02-14 Treatment of water to prevent the deposition of scale
IL44110A IL44110A (en) 1973-02-14 1974-01-29 Process for treatment of water
AU65049/74A AU479241B2 (en) 1973-02-14 1974-01-31 Treatment of water to prevent the deposition of scale
SE7401266A SE397954B (sv) 1973-02-14 1974-01-31 Forfarande for vattenbehandling for forhindrande av bildning av utfellningar av kalcium- och magnesiumsalter och for korrosionsinhibition
CY1000A CY1000A (en) 1973-02-14 1974-02-04 Treatment of water to prevent the deposition of scale
DE2405192A DE2405192C2 (de) 1973-02-14 1974-02-04 Verfahren zur Behandlung von Wasser
CA191,990A CA1019476A (en) 1973-02-14 1974-02-07 Treating water with water-soluble hydrolysed copolymers
EG36/74A EG11050A (en) 1973-02-14 1974-02-09 Treatment of water
IT7420420A IT1009636B (it) 1973-02-14 1974-02-11 Trattamento di acqua
PL1974168764A PL88620B1 (ja) 1973-02-14 1974-02-12
AR252314A AR201367A1 (es) 1973-02-14 1974-02-12 Procedimiento para tratar aguas
NLAANVRAGE7401903,A NL181865C (nl) 1973-02-14 1974-02-12 Werkwijze voor het tegengaan van de vorming van afzettingen van calcium- en magnesiumzouten uit water.
BR741045A BR7401045D0 (pt) 1973-02-14 1974-02-13 Processo para tratamento de agua
SU741995597A SU730293A3 (ru) 1973-02-14 1974-02-13 Способ ум гчени воды
FR7404864A FR2217274B1 (ja) 1973-02-14 1974-02-13
JP1809874A JPS5429998B2 (ja) 1973-02-14 1974-02-13
ZA00740949A ZA74949B (en) 1973-02-14 1974-02-13 Treatment of water
DK75474A DK146185C (da) 1973-02-14 1974-02-13 Fremgangsmaade til forhindring af calcium- og magnesiumsaltaflejringer og korrosionsbeskyttelse i et vandsystem
MT759A MTP759B (en) 1973-02-14 1974-02-13 Treatment of water
BE140853A BE810967A (fr) 1973-02-14 1974-02-13 Traitement de l'eau
US05/811,658 US4126549A (en) 1973-02-14 1977-06-30 Treatment of water
HK266/79A HK26679A (en) 1973-02-14 1979-04-26 Treatment of water to prevent the deposition of scale

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB718173A GB1414918A (en) 1973-02-14 1973-02-14 Treatment of water to prevent the deposition of scale

Publications (1)

Publication Number Publication Date
GB1414918A true GB1414918A (en) 1975-11-19

Family

ID=9828171

Family Applications (1)

Application Number Title Priority Date Filing Date
GB718173A Expired GB1414918A (en) 1973-02-14 1973-02-14 Treatment of water to prevent the deposition of scale

Country Status (20)

Country Link
JP (1) JPS5429998B2 (ja)
AR (1) AR201367A1 (ja)
BE (1) BE810967A (ja)
BR (1) BR7401045D0 (ja)
CA (1) CA1019476A (ja)
CY (1) CY1000A (ja)
DE (1) DE2405192C2 (ja)
DK (1) DK146185C (ja)
EG (1) EG11050A (ja)
FR (1) FR2217274B1 (ja)
GB (1) GB1414918A (ja)
HK (1) HK26679A (ja)
IL (1) IL44110A (ja)
IT (1) IT1009636B (ja)
MT (1) MTP759B (ja)
NL (1) NL181865C (ja)
PL (1) PL88620B1 (ja)
SE (1) SE397954B (ja)
SU (1) SU730293A3 (ja)
ZA (1) ZA74949B (ja)

Cited By (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4065607A (en) * 1977-03-23 1977-12-27 Pfizer Inc. Terpolymers of maleic anhydride and their use as scale control agents
US4086146A (en) * 1975-11-12 1978-04-25 W. R. Grace & Co. Water treating process
US4126549A (en) * 1973-02-14 1978-11-21 Ciba-Geigy (Uk) Limited Treatment of water
US4168230A (en) * 1976-11-10 1979-09-18 Nalco Chemical Company Synergistic composition comprising phosphorylated ethoxylated glycerine and polyacrylic acid for the prevention of CaCO3 scale in cooling water
US4223120A (en) 1977-03-23 1980-09-16 Pfizer Inc. Terpolymers of maleic anhydride and their use as scale control agents
US4253968A (en) * 1979-08-17 1981-03-03 Hercules Incorporated Process of inhibiting precipitation of calcium salts utilizing a copolymer of allyl monomers and maleic anhydride
US4279768A (en) * 1980-02-04 1981-07-21 Fremont Industries, Inc. Service descaler for aqueous systems
EP0058073A2 (en) * 1981-02-09 1982-08-18 Pfizer Inc. Acrylate/maleate copolymers, their preparation and use as antiscalants
EP0090574A1 (en) * 1982-03-25 1983-10-05 Pfizer Inc. Polyitaconic acid threshold scale inhibitor
GB2137185A (en) * 1983-02-16 1984-10-03 Dearborn Chemicals Co Composition and Method for Inhibiting Scale
JPS60134092A (ja) * 1983-12-20 1985-07-17 タイホ−工業株式会社 クラフトパルプ製造工程における蒸解釜内のスケール付着防止方法
US4532046A (en) * 1982-11-24 1985-07-30 Societe Nationale Elf Aquitaine Method for hindering the scaling by waters
US4547559A (en) * 1981-02-09 1985-10-15 Pfizer Inc. Acrylate/maleate copolymers, their preparation and use as antiscalants
US4556493A (en) * 1983-02-16 1985-12-03 Dearborn Chemical Company Composition and method for inhibiting scale
US4566972A (en) * 1981-08-18 1986-01-28 Dearborn Chemicals, Ltd. Treatment of aqueous systems
EP0089189B1 (en) * 1982-03-11 1986-06-11 Calgon Corporation A calcium carbonate, magnesium hydroxide and calcium sulfate hemihydrate scale inhibitor
US4710537A (en) * 1981-02-09 1987-12-01 Pfizer Inc. Substantially homogeneous copolymers of acrylic or methacrylic acid and maleic acid
EP0306992A2 (en) 1987-09-11 1989-03-15 S.C. Johnson & Son, Inc. 1-alkene/excess maleic anhydride polymers
US4828713A (en) * 1988-03-15 1989-05-09 Betz Laboratories, Inc. Boiler water treatment
US4859752A (en) * 1987-09-11 1989-08-22 S. C. Johnson & Son, Inc. Alkene/excess maleic anhydride polymer manufacture
US4931206A (en) * 1988-03-15 1990-06-05 Betz Laboratories, Inc. Boiler water treatment composition
US4937002A (en) * 1989-06-12 1990-06-26 National Starch And Chemical Investment Holding Corporation Interpolymers for barium sulphate inhibition
EP0375615A2 (en) * 1988-12-21 1990-06-27 Ciba-Geigy Ag Method of treating water containing fertilisers
US4952324A (en) * 1988-03-15 1990-08-28 Betz Laboratories, Inc. Boiler water treatment
EP0398284A1 (en) * 1989-05-19 1990-11-22 Ciba-Geigy Ag Antifreeze compositions
US4973409A (en) * 1988-09-21 1990-11-27 Ciba-Geigy Corporation Treatment of aqueous systems
US5135661A (en) * 1989-03-21 1992-08-04 Suresh Patel Process for treating water or aqueous systems
US5288419A (en) * 1991-07-23 1994-02-22 Basf Corporation Glycol-based polycarboxylate-containing antifreeze/coolant formulations for resisting cavitation erosion-corrosion on aluminum
US5290469A (en) * 1991-07-23 1994-03-01 Basf Corporation Glycol-based polycarboxylate-containing antifreeze/coolant formulations for resisting cavitation erosion-corrosion on aluminum
US5290468A (en) * 1991-07-23 1994-03-01 Basf Corporation Polycarboxylate-containing antifreeze/coolant additive for use in hard water applications
US5290467A (en) * 1991-07-23 1994-03-01 Basf Corporation Polycarboxylate-containing antifreeze/coolant additive for resisting cavitation erosion-corrosion on aluminum
US5320771A (en) * 1991-07-23 1994-06-14 Basf Corp. Polycarboxylate-containing antifreeze/coolant additive for reducing corrosion in heat rejecting aluminum
EP0666501A3 (en) * 1994-02-08 1996-07-17 Eastman Kodak Co Hardening developer for silver halide photography and development method.
ES2436026A1 (es) * 2012-06-21 2013-12-26 Ramón BLANCO GÓMEZ Composición para el agua de calderas

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5277804A (en) * 1975-12-24 1977-06-30 Kurita Water Ind Ltd Process for collecting dust from waste gases of blast furnace or conve rter
JPS5363201A (en) * 1976-11-19 1978-06-06 Kouriyuu Kougiyou Kk Dust collecting method of exhaust gas of rotary furnace
JPS6057918B2 (ja) * 1977-01-31 1985-12-17 甲竜工業株式会社 海水の淡水化方法
FR2420412A1 (en) * 1978-03-21 1979-10-19 Demler Sa Ets Moulding machine for mfg. prefabricated building elements - has vibrators mounted on dampers to reduce noise and sound insulating casing
CA1114978A (en) * 1978-06-15 1981-12-22 Chih M. Hwa Sludge conditioning composition for scale inhibition in water
DE2938429A1 (de) * 1979-09-22 1981-04-09 Hoechst Ag, 6000 Frankfurt Waessrige loesung oder dispersion eines styrol/maleinsaeureanhydrid-copolymers, verfahren zu ihrer herstelung und ihre verwendung
FR2514746B1 (fr) * 1981-10-20 1985-05-31 Coatex Sa Agent inhibiteur d'incrustations et de precipitation pour le traitement des eaux industrielles et/ou domestiques
AU555892B2 (en) * 1981-11-05 1986-10-16 Nalco Chemical Company Carboxylate polymers for internal scale control agents in boiler systems
JPS5926609U (ja) * 1982-08-12 1984-02-18 長田電機工業株式会社 歯科治療器具
GB9204409D0 (en) * 1992-02-29 1992-04-15 Ciba Geigy Ag Determination method
DE4300772C2 (de) * 1993-01-14 1997-03-27 Stockhausen Chem Fab Gmbh Wasserlösliche, biologisch abbaubare Copolymere auf Basis von ungesättigten Mono- und Dicarbonsäuren, Verfahren zu ihrer Herstellung und ihre Verwendung
CN109095627A (zh) * 2018-07-26 2018-12-28 锐达工业科技（南京）有限公司 一种循环水无磷阻垢剂及其制备方法
CN113651436B (zh) * 2021-08-25 2023-01-31 河北省科学院能源研究所 一种无磷非氮型阻垢分散剂及其制备方法和应用
CN113621424A (zh) * 2021-09-10 2021-11-09 湖南金裕环保科技有限公司 一种天泵、地泵润管剂或润泵剂及其制备方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2723956A (en) * 1950-09-26 1955-11-15 Nat Aluminate Corp Boiler scale reduction using a copolymer of maleic anhydride and another monoethylenic compound
GB772775A (en) * 1954-06-04 1957-04-17 Monsanto Chemicals A process for treating hard water
DE1286023C2 (de) * 1964-05-30 1973-11-15 Hoechst Ag Verfahren zur Herstellung von Styrol-Maleinsaeureanhydrid-Telomerisaten
GB1292120A (en) * 1968-12-10 1972-10-11 Economics Lab Detergent compositions
US3617577A (en) * 1969-08-27 1971-11-02 Monsanto Co Method of inhibiting scale formation
GB1369429A (en) * 1970-11-30 1974-10-09 Ciba Geigy Ag Treatment of water or aqueous systems
US3715307A (en) * 1971-06-24 1973-02-06 Economics Lab Treatment of water used in heat transfer equipment

Cited By (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4126549A (en) * 1973-02-14 1978-11-21 Ciba-Geigy (Uk) Limited Treatment of water
US4086146A (en) * 1975-11-12 1978-04-25 W. R. Grace & Co. Water treating process
US4168230A (en) * 1976-11-10 1979-09-18 Nalco Chemical Company Synergistic composition comprising phosphorylated ethoxylated glycerine and polyacrylic acid for the prevention of CaCO3 scale in cooling water
US4065607A (en) * 1977-03-23 1977-12-27 Pfizer Inc. Terpolymers of maleic anhydride and their use as scale control agents
DE2812584A1 (de) * 1977-03-23 1978-09-28 Pfizer Terpolymere von maleinsaeureanhydrid, verfahren zu ihrer herstellung und ihre verwendung
US4223120A (en) 1977-03-23 1980-09-16 Pfizer Inc. Terpolymers of maleic anhydride and their use as scale control agents
DK152369B (da) * 1977-03-23 1988-02-22 Pfizer Copolymer eller terpolymer af maleinsyreanhydrid og anvendelse af en saadan polymer til forhindring af kedelstensdannelse
US4253968A (en) * 1979-08-17 1981-03-03 Hercules Incorporated Process of inhibiting precipitation of calcium salts utilizing a copolymer of allyl monomers and maleic anhydride
US4279768A (en) * 1980-02-04 1981-07-21 Fremont Industries, Inc. Service descaler for aqueous systems
US4390670A (en) 1981-02-09 1983-06-28 Pfizer Inc. Acrylate/maleate copolymers, their preparation and use as antiscalants
EP0058073A2 (en) * 1981-02-09 1982-08-18 Pfizer Inc. Acrylate/maleate copolymers, their preparation and use as antiscalants
US4710537A (en) * 1981-02-09 1987-12-01 Pfizer Inc. Substantially homogeneous copolymers of acrylic or methacrylic acid and maleic acid
US4547559A (en) * 1981-02-09 1985-10-15 Pfizer Inc. Acrylate/maleate copolymers, their preparation and use as antiscalants
EP0058073A3 (en) * 1981-02-09 1982-09-08 Pfizer Inc. Acrylate/maleate copolymers, their preparation and use as antiscalants
US4566972A (en) * 1981-08-18 1986-01-28 Dearborn Chemicals, Ltd. Treatment of aqueous systems
EP0089189B1 (en) * 1982-03-11 1986-06-11 Calgon Corporation A calcium carbonate, magnesium hydroxide and calcium sulfate hemihydrate scale inhibitor
EP0090574A1 (en) * 1982-03-25 1983-10-05 Pfizer Inc. Polyitaconic acid threshold scale inhibitor
US4532046A (en) * 1982-11-24 1985-07-30 Societe Nationale Elf Aquitaine Method for hindering the scaling by waters
US4556493A (en) * 1983-02-16 1985-12-03 Dearborn Chemical Company Composition and method for inhibiting scale
GB2137185A (en) * 1983-02-16 1984-10-03 Dearborn Chemicals Co Composition and Method for Inhibiting Scale
JPS60134092A (ja) * 1983-12-20 1985-07-17 タイホ−工業株式会社 クラフトパルプ製造工程における蒸解釜内のスケール付着防止方法
JPH0253551B2 (ja) * 1983-12-20 1990-11-19 Taiho Kogyo Co Ltd
EP0306992A2 (en) 1987-09-11 1989-03-15 S.C. Johnson & Son, Inc. 1-alkene/excess maleic anhydride polymers
US4859752A (en) * 1987-09-11 1989-08-22 S. C. Johnson & Son, Inc. Alkene/excess maleic anhydride polymer manufacture
US4931206A (en) * 1988-03-15 1990-06-05 Betz Laboratories, Inc. Boiler water treatment composition
US4828713A (en) * 1988-03-15 1989-05-09 Betz Laboratories, Inc. Boiler water treatment
US4952324A (en) * 1988-03-15 1990-08-28 Betz Laboratories, Inc. Boiler water treatment
US4973409A (en) * 1988-09-21 1990-11-27 Ciba-Geigy Corporation Treatment of aqueous systems
AU630396B2 (en) * 1988-12-21 1992-10-29 Ciba-Geigy Ag Method of treating water containing fertilisers
EP0375615A3 (en) * 1988-12-21 1990-09-12 Ciba-Geigy Ag Method of treating water containing fertilisers
EP0375615A2 (en) * 1988-12-21 1990-06-27 Ciba-Geigy Ag Method of treating water containing fertilisers
US5135661A (en) * 1989-03-21 1992-08-04 Suresh Patel Process for treating water or aqueous systems
EP0398284A1 (en) * 1989-05-19 1990-11-22 Ciba-Geigy Ag Antifreeze compositions
US4937002A (en) * 1989-06-12 1990-06-26 National Starch And Chemical Investment Holding Corporation Interpolymers for barium sulphate inhibition
US5288419A (en) * 1991-07-23 1994-02-22 Basf Corporation Glycol-based polycarboxylate-containing antifreeze/coolant formulations for resisting cavitation erosion-corrosion on aluminum
US5290469A (en) * 1991-07-23 1994-03-01 Basf Corporation Glycol-based polycarboxylate-containing antifreeze/coolant formulations for resisting cavitation erosion-corrosion on aluminum
US5290468A (en) * 1991-07-23 1994-03-01 Basf Corporation Polycarboxylate-containing antifreeze/coolant additive for use in hard water applications
US5290467A (en) * 1991-07-23 1994-03-01 Basf Corporation Polycarboxylate-containing antifreeze/coolant additive for resisting cavitation erosion-corrosion on aluminum
US5320771A (en) * 1991-07-23 1994-06-14 Basf Corp. Polycarboxylate-containing antifreeze/coolant additive for reducing corrosion in heat rejecting aluminum
EP0666501A3 (en) * 1994-02-08 1996-07-17 Eastman Kodak Co Hardening developer for silver halide photography and development method.
ES2436026A1 (es) * 2012-06-21 2013-12-26 Ramón BLANCO GÓMEZ Composición para el agua de calderas

Also Published As

Publication number Publication date
NL181865B (nl) 1987-06-16
SU730293A3 (ru) 1980-04-25
FR2217274A1 (ja) 1974-09-06
ZA74949B (en) 1975-01-29
CY1000A (en) 1979-08-02
IL44110A (en) 1976-09-30
AU6504974A (en) 1975-07-31
MTP759B (en) 1975-05-27
DK146185B (da) 1983-07-18
JPS5429998B2 (ja) 1979-09-27
JPS5035065A (ja) 1975-04-03
HK26679A (en) 1979-05-04
CA1019476A (en) 1977-10-18
SE397954B (sv) 1977-11-28
DE2405192A1 (de) 1974-08-29
BR7401045D0 (pt) 1974-11-05
NL7401903A (ja) 1974-08-16
IL44110A0 (en) 1974-05-16
AR201367A1 (es) 1975-03-07
FR2217274B1 (ja) 1977-06-10
BE810967A (fr) 1974-08-13
NL181865C (nl) 1987-11-16
IT1009636B (it) 1976-12-20
PL88620B1 (ja) 1976-09-30
DK146185C (da) 1983-12-12
DE2405192C2 (de) 1986-04-24
EG11050A (en) 1976-12-31

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PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years

Effective date: 19940203