CA2073594A1 - Inhibiteurs de la corrosion a base d'acide ortho-hydroxybenzenephosphonique - Google Patents
Inhibiteurs de la corrosion a base d'acide ortho-hydroxybenzenephosphoniqueInfo
- Publication number
- CA2073594A1 CA2073594A1 CA002073594A CA2073594A CA2073594A1 CA 2073594 A1 CA2073594 A1 CA 2073594A1 CA 002073594 A CA002073594 A CA 002073594A CA 2073594 A CA2073594 A CA 2073594A CA 2073594 A1 CA2073594 A1 CA 2073594A1
- Authority
- CA
- Canada
- Prior art keywords
- ortho
- corrosion
- ppm
- water
- acid
- 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.)
- Abandoned
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
- C23F11/167—Phosphorus-containing compounds
- C23F11/1676—Phosphonic acids
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US78204191A | 1991-10-24 | 1991-10-24 | |
US782,041 | 1991-10-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA2073594A1 true CA2073594A1 (fr) | 1993-04-25 |
Family
ID=25124766
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002073594A Abandoned CA2073594A1 (fr) | 1991-10-24 | 1992-07-10 | Inhibiteurs de la corrosion a base d'acide ortho-hydroxybenzenephosphonique |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU648906B2 (fr) |
CA (1) | CA2073594A1 (fr) |
ZA (1) | ZA925048B (fr) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3901651A (en) * | 1971-06-07 | 1975-08-26 | Aquaphase Lab Inc | Treating water to retard corrosion |
US3837803A (en) * | 1972-07-11 | 1974-09-24 | Betz Laboratories | Orthophosphate corrosion inhibitors and their use |
US4303568A (en) * | 1979-12-10 | 1981-12-01 | Betz Laboratories, Inc. | Corrosion inhibition treatments and method |
-
1992
- 1992-07-01 AU AU19334/92A patent/AU648906B2/en not_active Ceased
- 1992-07-07 ZA ZA925048A patent/ZA925048B/xx unknown
- 1992-07-10 CA CA002073594A patent/CA2073594A1/fr not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
ZA925048B (en) | 1993-04-28 |
AU1933492A (en) | 1993-04-29 |
AU648906B2 (en) | 1994-05-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FZDE | Dead |