IT997882B - DESCALING COMPOSITIONS - Google Patents
DESCALING COMPOSITIONSInfo
- Publication number
- IT997882B IT997882B IT5299273A IT5299273A IT997882B IT 997882 B IT997882 B IT 997882B IT 5299273 A IT5299273 A IT 5299273A IT 5299273 A IT5299273 A IT 5299273A IT 997882 B IT997882 B IT 997882B
- Authority
- IT
- Italy
- Prior art keywords
- descaling compositions
- descaling
- compositions
- Prior art date
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
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/14—Cleaning or pickling metallic material with solutions or molten salts with alkaline solutions
- C23G1/19—Iron or steel
-
- 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
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/24—Cleaning or pickling metallic material with solutions or molten salts with neutral solutions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G9/00—Cleaning by flushing or washing, e.g. with chemical solvents
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
- Cleaning By Liquid Or Steam (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB4640272A GB1397451A (en) | 1972-10-09 | 1972-10-09 | Descaling formulations |
Publications (1)
Publication Number | Publication Date |
---|---|
IT997882B true IT997882B (en) | 1975-12-30 |
Family
ID=10441109
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT5299273A IT997882B (en) | 1972-10-09 | 1973-10-08 | DESCALING COMPOSITIONS |
Country Status (9)
Country | Link |
---|---|
JP (1) | JPS49133701A (en) |
BE (1) | BE805633A (en) |
CA (1) | CA995567A (en) |
DE (1) | DE2350417A1 (en) |
ES (1) | ES419302A1 (en) |
FR (1) | FR2202145B1 (en) |
GB (1) | GB1397451A (en) |
IT (1) | IT997882B (en) |
NL (1) | NL7313474A (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5078894A (en) * | 1990-04-30 | 1992-01-07 | Arch Development Corporation | Formulations for iron oxides dissolution |
US6348440B1 (en) | 2000-08-02 | 2002-02-19 | Betzdearborn Inc. | Method of cleaning a metal surface |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3336221A (en) * | 1964-11-05 | 1967-08-15 | Calgon Corp | Method of inhibiting precipitation and scale formation |
CA790610A (en) * | 1965-12-28 | 1968-07-23 | T. Quimby Oscar | Diphosphonate compounds and detergent compositions |
GB1345518A (en) * | 1970-02-20 | 1974-01-30 | Albright & Wilson | Phosphonate sequestrant |
-
1972
- 1972-10-09 GB GB4640272A patent/GB1397451A/en not_active Expired
-
1973
- 1973-10-01 NL NL7313474A patent/NL7313474A/xx not_active Application Discontinuation
- 1973-10-03 FR FR7335313A patent/FR2202145B1/fr not_active Expired
- 1973-10-03 ES ES419302A patent/ES419302A1/en not_active Expired
- 1973-10-03 BE BE136317A patent/BE805633A/en unknown
- 1973-10-05 CA CA182,784A patent/CA995567A/en not_active Expired
- 1973-10-08 IT IT5299273A patent/IT997882B/en active
- 1973-10-08 DE DE19732350417 patent/DE2350417A1/en active Pending
- 1973-10-08 JP JP11317473A patent/JPS49133701A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
CA995567A (en) | 1976-08-24 |
ES419302A1 (en) | 1976-02-16 |
DE2350417A1 (en) | 1974-05-02 |
FR2202145A1 (en) | 1974-05-03 |
FR2202145B1 (en) | 1976-11-19 |
GB1397451A (en) | 1975-06-11 |
BE805633A (en) | 1974-04-03 |
JPS49133701A (en) | 1974-12-23 |
AU6095173A (en) | 1975-04-10 |
NL7313474A (en) | 1974-04-11 |
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