EP0565371A3 - - Google Patents
Download PDFInfo
- Publication number
- EP0565371A3 EP0565371A3 EP19930302761 EP93302761A EP0565371A3 EP 0565371 A3 EP0565371 A3 EP 0565371A3 EP 19930302761 EP19930302761 EP 19930302761 EP 93302761 A EP93302761 A EP 93302761A EP 0565371 A3 EP0565371 A3 EP 0565371A3
- Authority
- EP
- European Patent Office
- 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.)
- Withdrawn
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
- C23F11/14—Nitrogen-containing compounds
- C23F11/141—Amines; Quaternary ammonium compounds
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 |
---|---|---|---|
US86541992A | 1992-04-08 | 1992-04-08 | |
US865419 | 1992-04-08 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0565371A2 EP0565371A2 (en) | 1993-10-13 |
EP0565371A3 true EP0565371A3 (enrdf_load_stackoverflow) | 1994-04-13 |
Family
ID=25345471
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP93302761A Withdrawn EP0565371A2 (en) | 1992-04-08 | 1993-04-07 | Boiler double buffers |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0565371A2 (enrdf_load_stackoverflow) |
CA (1) | CA2091097A1 (enrdf_load_stackoverflow) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10203329A1 (de) * | 2002-01-29 | 2003-08-14 | Bayer Ag | Korrosionsschutzmittel zum Schutz von metallischen Werkstoffen in stark alkalischem Medium |
CN102910689A (zh) * | 2012-11-09 | 2013-02-06 | 青海电力科学试验研究院 | 一种用于防止给水系统腐蚀的加药方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2659693A (en) * | 1952-05-10 | 1953-11-17 | Standard Oil Dev Co | Process for preventing corrosion of ferrous metals |
GB742342A (en) * | 1952-10-23 | 1955-12-21 | Rohm & Haas | Improvements in or relating to isomerization of diaminobutynes |
US3432527A (en) * | 1964-11-05 | 1969-03-11 | Armour Ind Chem Co | Corrosion inhibitor composition and method |
EP0351099A1 (en) * | 1988-07-11 | 1990-01-17 | Betz Europe, Inc. | Corrosion control composition and method for boiler/condensate aqueous systems |
US5091108A (en) * | 1991-02-21 | 1992-02-25 | Nalco Chemical Company | Method of retarding corrosion of metal surfaces in contact with boiler water systems which corrosion is caused by dissolved oxygen |
-
1993
- 1993-03-05 CA CA 2091097 patent/CA2091097A1/en not_active Abandoned
- 1993-04-07 EP EP93302761A patent/EP0565371A2/en not_active Withdrawn
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2659693A (en) * | 1952-05-10 | 1953-11-17 | Standard Oil Dev Co | Process for preventing corrosion of ferrous metals |
GB742342A (en) * | 1952-10-23 | 1955-12-21 | Rohm & Haas | Improvements in or relating to isomerization of diaminobutynes |
US3432527A (en) * | 1964-11-05 | 1969-03-11 | Armour Ind Chem Co | Corrosion inhibitor composition and method |
EP0351099A1 (en) * | 1988-07-11 | 1990-01-17 | Betz Europe, Inc. | Corrosion control composition and method for boiler/condensate aqueous systems |
US5091108A (en) * | 1991-02-21 | 1992-02-25 | Nalco Chemical Company | Method of retarding corrosion of metal surfaces in contact with boiler water systems which corrosion is caused by dissolved oxygen |
Also Published As
Publication number | Publication date |
---|---|
EP0565371A2 (en) | 1993-10-13 |
CA2091097A1 (en) | 1993-10-09 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): AT BE DE ES FR GB IT NL |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): AT BE DE ES FR GB IT NL |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 19941014 |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: BETZDEARBORN EUROPE, INC. |