NL7401903A - - Google Patents
Info
- Publication number
- NL7401903A NL7401903A NL7401903A NL7401903A NL7401903A NL 7401903 A NL7401903 A NL 7401903A NL 7401903 A NL7401903 A NL 7401903A NL 7401903 A NL7401903 A NL 7401903A NL 7401903 A NL7401903 A NL 7401903A
- Authority
- NL
- Netherlands
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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Polymers & Plastics (AREA)
- Medicinal Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Metallurgy (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Water Supply & Treatment (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
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 (3)
Publication Number | Publication Date |
---|---|
NL7401903A true NL7401903A (en) | 1974-08-16 |
NL181865B NL181865B (en) | 1987-06-16 |
NL181865C NL181865C (en) | 1987-11-16 |
Family
ID=9828171
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NLAANVRAGE7401903,A NL181865C (en) | 1973-02-14 | 1974-02-12 | PROCESS FOR PREVENTING THE FORMATION OF DEPOSITS OF CALCIUM AND MAGNESIUM SALTS FROM WATER. |
Country Status (20)
Country | Link |
---|---|
JP (1) | JPS5429998B2 (en) |
AR (1) | AR201367A1 (en) |
BE (1) | BE810967A (en) |
BR (1) | BR7401045D0 (en) |
CA (1) | CA1019476A (en) |
CY (1) | CY1000A (en) |
DE (1) | DE2405192C2 (en) |
DK (1) | DK146185C (en) |
EG (1) | EG11050A (en) |
FR (1) | FR2217274B1 (en) |
GB (1) | GB1414918A (en) |
HK (1) | HK26679A (en) |
IL (1) | IL44110A (en) |
IT (1) | IT1009636B (en) |
MT (1) | MTP759B (en) |
NL (1) | NL181865C (en) |
PL (1) | PL88620B1 (en) |
SE (1) | SE397954B (en) |
SU (1) | SU730293A3 (en) |
ZA (1) | ZA74949B (en) |
Families Citing this family (48)
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 |
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 |
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 |
JPS5363201A (en) * | 1976-11-19 | 1978-06-06 | Kouriyuu Kougiyou Kk | Dust collecting method of exhaust gas of rotary furnace |
JPS6057918B2 (en) * | 1977-01-31 | 1985-12-17 | 甲竜工業株式会社 | Seawater desalination method |
US4223120A (en) | 1977-03-23 | 1980-09-16 | Pfizer Inc. | Terpolymers of maleic anhydride and their use as scale control agents |
US4065607A (en) * | 1977-03-23 | 1977-12-27 | Pfizer Inc. | Terpolymers of maleic anhydride and their use as scale control agents |
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 |
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 |
DE2938429A1 (en) * | 1979-09-22 | 1981-04-09 | Hoechst Ag, 6000 Frankfurt | AQUEOUS SOLUTION OR DISPERSION OF A STYRENE / MALEIC ACID ANHYDRIDE COPOLYMER, METHOD FOR THE PRODUCTION THEREOF AND THEIR USE |
US4279768A (en) * | 1980-02-04 | 1981-07-21 | Fremont Industries, Inc. | Service descaler for aqueous systems |
US4547559A (en) * | 1981-02-09 | 1985-10-15 | Pfizer Inc. | Acrylate/maleate copolymers, their preparation and use as antiscalants |
US4390670A (en) | 1981-02-09 | 1983-06-28 | 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 |
DE3230291A1 (en) * | 1981-08-18 | 1983-03-03 | Dearborn Chemicals Ltd., Widnes, Cheshire | COMPOSITION FOR PREVENTING KETTLE IN AQUEOUS SYSTEMS |
FR2514746B1 (en) * | 1981-10-20 | 1985-05-31 | Coatex Sa | INHIBITOR OF INCRUSTATION AND PRECIPITATION FOR THE TREATMENT OF INDUSTRIAL AND / OR DOMESTIC WATER |
AU555892B2 (en) * | 1981-11-05 | 1986-10-16 | Nalco Chemical Company | Carboxylate polymers for internal scale control agents in boiler systems |
EP0089189B1 (en) * | 1982-03-11 | 1986-06-11 | Calgon Corporation | A calcium carbonate, magnesium hydroxide and calcium sulfate hemihydrate scale inhibitor |
DK65983A (en) * | 1982-03-25 | 1983-09-26 | Pfizer | PROCEDURE FOR PREVENTING STONEY DETAILS IN WATER |
JPS5926609U (en) * | 1982-08-12 | 1984-02-18 | 長田電機工業株式会社 | dental treatment instruments |
FR2536383A1 (en) * | 1982-11-24 | 1984-05-25 | Elf Aquitaine | PROCESS AND PRODUCT FOR PREVENTING CALCULATION BY WATER |
US4556493A (en) * | 1983-02-16 | 1985-12-03 | Dearborn Chemical Company | Composition and method for inhibiting scale |
CA1224999A (en) * | 1983-02-16 | 1987-08-04 | Dionisio G. Cuisia | Composition and method for inhibiting scale |
JPS60134092A (en) * | 1983-12-20 | 1985-07-17 | タイホ−工業株式会社 | Scale inhibitor in kraft pulp producing process |
US4859752A (en) * | 1987-09-11 | 1989-08-22 | S. C. Johnson & Son, Inc. | Alkene/excess maleic anhydride polymer manufacture |
US4871823A (en) | 1987-09-11 | 1989-10-03 | 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 |
US4931206A (en) * | 1988-03-15 | 1990-06-05 | Betz Laboratories, Inc. | Boiler water treatment composition |
US4952324A (en) * | 1988-03-15 | 1990-08-28 | Betz Laboratories, Inc. | Boiler water treatment |
GB8822149D0 (en) * | 1988-09-21 | 1988-10-26 | Ciba Geigy Ag | Treatment of aqueous systems |
GB8829830D0 (en) * | 1988-12-21 | 1989-02-15 | Ciba Geigy Ag | Method for treating water |
US5135661A (en) * | 1989-03-21 | 1992-08-04 | Suresh Patel | Process for treating water or aqueous systems |
GB8911569D0 (en) * | 1989-05-19 | 1989-07-05 | 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 |
US5290469A (en) * | 1991-07-23 | 1994-03-01 | Basf Corporation | Glycol-based polycarboxylate-containing antifreeze/coolant formulations for resisting cavitation erosion-corrosion on aluminum |
US5288419A (en) * | 1991-07-23 | 1994-02-22 | 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 |
GB9204409D0 (en) * | 1992-02-29 | 1992-04-15 | Ciba Geigy Ag | Determination method |
DE4300772C2 (en) * | 1993-01-14 | 1997-03-27 | Stockhausen Chem Fab Gmbh | Water-soluble, biodegradable copolymers based on unsaturated mono- and dicarboxylic acids, process for their preparation and their use |
US5389502A (en) * | 1994-02-08 | 1995-02-14 | Eastman Kodak Company | Hardening developer for silver halide photography and development method |
ES2436026B1 (en) * | 2012-06-21 | 2014-04-28 | Ramón BLANCO GÓMEZ | Composition for boiler water |
CN109095627A (en) * | 2018-07-26 | 2018-12-28 | 锐达工业科技(南京)有限公司 | A kind of recirculated water research of non-phosphorus scale inhibitor and preparation method thereof |
CN113651436B (en) * | 2021-08-25 | 2023-01-31 | 河北省科学院能源研究所 | Non-phosphorus non-nitrogen scale inhibition and dispersion agent and preparation method and application thereof |
CN113621424A (en) * | 2021-09-10 | 2021-11-09 | 湖南金裕环保科技有限公司 | Tube lubricant or pump lubricant for top pump and bottom pump and preparation method thereof |
Family Cites Families (7)
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 (en) * | 1964-05-30 | 1973-11-15 | Hoechst Ag | Process for the production of styrene-maleic anhydride telomerizates |
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 |
-
1973
- 1973-02-14 GB GB718173A patent/GB1414918A/en not_active Expired
-
1974
- 1974-01-29 IL IL44110A patent/IL44110A/en unknown
- 1974-01-31 SE SE7401266A patent/SE397954B/en not_active IP Right Cessation
- 1974-02-04 CY CY1000A patent/CY1000A/en unknown
- 1974-02-04 DE DE2405192A patent/DE2405192C2/en not_active Expired
- 1974-02-07 CA CA191,990A patent/CA1019476A/en not_active Expired
- 1974-02-09 EG EG36/74A patent/EG11050A/en active
- 1974-02-11 IT IT7420420A patent/IT1009636B/en active
- 1974-02-12 AR AR252314A patent/AR201367A1/en active
- 1974-02-12 PL PL1974168764A patent/PL88620B1/pl unknown
- 1974-02-12 NL NLAANVRAGE7401903,A patent/NL181865C/en not_active IP Right Cessation
- 1974-02-13 MT MT759A patent/MTP759B/en unknown
- 1974-02-13 BR BR741045A patent/BR7401045D0/en unknown
- 1974-02-13 ZA ZA00740949A patent/ZA74949B/en unknown
- 1974-02-13 FR FR7404864A patent/FR2217274B1/fr not_active Expired
- 1974-02-13 DK DK75474A patent/DK146185C/en active
- 1974-02-13 SU SU741995597A patent/SU730293A3/en active
- 1974-02-13 JP JP1809874A patent/JPS5429998B2/ja not_active Expired
- 1974-02-13 BE BE140853A patent/BE810967A/en not_active IP Right Cessation
-
1979
- 1979-04-26 HK HK266/79A patent/HK26679A/en unknown
Also Published As
Publication number | Publication date |
---|---|
EG11050A (en) | 1976-12-31 |
PL88620B1 (en) | 1976-09-30 |
BE810967A (en) | 1974-08-13 |
DE2405192A1 (en) | 1974-08-29 |
AR201367A1 (en) | 1975-03-07 |
CY1000A (en) | 1979-08-02 |
JPS5429998B2 (en) | 1979-09-27 |
FR2217274B1 (en) | 1977-06-10 |
BR7401045D0 (en) | 1974-11-05 |
HK26679A (en) | 1979-05-04 |
GB1414918A (en) | 1975-11-19 |
NL181865C (en) | 1987-11-16 |
SE397954B (en) | 1977-11-28 |
DK146185B (en) | 1983-07-18 |
MTP759B (en) | 1975-05-27 |
ZA74949B (en) | 1975-01-29 |
SU730293A3 (en) | 1980-04-25 |
DE2405192C2 (en) | 1986-04-24 |
IL44110A (en) | 1976-09-30 |
JPS5035065A (en) | 1975-04-03 |
DK146185C (en) | 1983-12-12 |
IL44110A0 (en) | 1974-05-16 |
IT1009636B (en) | 1976-12-20 |
CA1019476A (en) | 1977-10-18 |
FR2217274A1 (en) | 1974-09-06 |
AU6504974A (en) | 1975-07-31 |
NL181865B (en) | 1987-06-16 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
BA | A request for search or an international-type search has been filed | ||
BA | A request for search or an international-type search has been filed | ||
BB | A search report has been drawn up | ||
BC | A request for examination has been filed | ||
A85 | Still pending on 85-01-01 | ||
V4 | Discontinued because of reaching the maximum lifetime of a patent |