DE60024061T2 - Kathodischer schutz - Google Patents
Kathodischer schutz Download PDFInfo
- Publication number
- DE60024061T2 DE60024061T2 DE60024061T DE60024061T DE60024061T2 DE 60024061 T2 DE60024061 T2 DE 60024061T2 DE 60024061 T DE60024061 T DE 60024061T DE 60024061 T DE60024061 T DE 60024061T DE 60024061 T2 DE60024061 T2 DE 60024061T2
- Authority
- DE
- Germany
- Prior art keywords
- anode
- anode body
- hole
- steel
- steel element
- 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 - Lifetime
Links
- 238000004210 cathodic protection Methods 0.000 title claims abstract description 23
- 239000000463 material Substances 0.000 claims abstract description 117
- 239000004567 concrete Substances 0.000 claims abstract description 64
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 57
- 239000010959 steel Substances 0.000 claims abstract description 57
- 239000000945 filler Substances 0.000 claims abstract description 13
- 230000007797 corrosion Effects 0.000 claims abstract description 12
- 238000005260 corrosion Methods 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims description 46
- 239000004570 mortar (masonry) Substances 0.000 claims description 35
- 239000010405 anode material Substances 0.000 claims description 22
- 239000007787 solid Substances 0.000 claims description 18
- 238000010276 construction Methods 0.000 claims description 16
- 239000003795 chemical substances by application Substances 0.000 claims description 14
- 150000002500 ions Chemical class 0.000 claims description 14
- 239000003906 humectant Substances 0.000 claims description 13
- 239000004020 conductor Substances 0.000 claims description 12
- 230000000694 effects Effects 0.000 claims description 12
- 239000003513 alkali Substances 0.000 claims description 11
- 238000011049 filling Methods 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 8
- 238000009736 wetting Methods 0.000 claims description 7
- 230000009969 flowable effect Effects 0.000 claims description 6
- 230000002708 enhancing effect Effects 0.000 claims description 4
- 238000005553 drilling Methods 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 claims description 2
- 230000004907 flux Effects 0.000 claims description 2
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 125000000129 anionic group Chemical group 0.000 claims 2
- 238000004891 communication Methods 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 230000003014 reinforcing effect Effects 0.000 abstract description 39
- 230000002787 reinforcement Effects 0.000 abstract description 12
- 238000003466 welding Methods 0.000 abstract description 2
- 230000008439 repair process Effects 0.000 description 10
- 230000008569 process Effects 0.000 description 8
- 239000011701 zinc Substances 0.000 description 7
- 229910052725 zinc Inorganic materials 0.000 description 7
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 6
- 239000003792 electrolyte Substances 0.000 description 6
- 239000011148 porous material Substances 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- 150000003839 salts Chemical class 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000000017 hydrogel Substances 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 238000005266 casting Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000001965 increasing effect Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000005012 migration Effects 0.000 description 3
- 238000013508 migration Methods 0.000 description 3
- 230000003313 weakening effect Effects 0.000 description 3
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 2
- 229910001297 Zn alloy Inorganic materials 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 235000015110 jellies Nutrition 0.000 description 2
- 239000008274 jelly Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 229910013553 LiNO Inorganic materials 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 239000004909 Moisturizer Substances 0.000 description 1
- 239000011398 Portland cement Substances 0.000 description 1
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010612 desalination reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000000499 gel Substances 0.000 description 1
- 239000008240 homogeneous mixture Substances 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical group [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 239000011244 liquid electrolyte Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001333 moisturizer Effects 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000005482 strain hardening Methods 0.000 description 1
- 230000000153 supplemental effect Effects 0.000 description 1
- 239000000080 wetting agent Substances 0.000 description 1
- 150000003751 zinc Chemical class 0.000 description 1
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
- C23F13/00—Inhibiting corrosion of metals by anodic or cathodic protection
- C23F13/02—Inhibiting corrosion of metals by anodic or cathodic protection cathodic; Selection of conditions, parameters or procedures for cathodic protection, e.g. of electrical conditions
- C23F13/06—Constructional parts, or assemblies of cathodic-protection apparatus
- C23F13/08—Electrodes specially adapted for inhibiting corrosion by cathodic protection; Manufacture thereof; Conducting electric current thereto
- C23F13/16—Electrodes characterised by the combination of the structure and the material
-
- 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
- C23F2201/00—Type of materials to be protected by cathodic protection
- C23F2201/02—Concrete, e.g. reinforced
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Prevention Of Electric Corrosion (AREA)
- Bipolar Transistors (AREA)
- Led Device Packages (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/245,373 US6165346A (en) | 1999-02-05 | 1999-02-05 | Cathodic protection of concrete |
| US245373 | 1999-02-05 | ||
| PCT/CA2000/000101 WO2000046422A2 (en) | 1999-02-05 | 2000-02-02 | Cathodic protection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE60024061D1 DE60024061D1 (de) | 2005-12-22 |
| DE60024061T2 true DE60024061T2 (de) | 2006-07-20 |
Family
ID=22926404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE60024061T Expired - Lifetime DE60024061T2 (de) | 1999-02-05 | 2000-02-02 | Kathodischer schutz |
Country Status (8)
| Country | Link |
|---|---|
| US (2) | US6165346A (enExample) |
| EP (1) | EP1153159B1 (enExample) |
| JP (1) | JP4574013B2 (enExample) |
| AT (1) | ATE310109T1 (enExample) |
| AU (1) | AU775457B2 (enExample) |
| CA (1) | CA2350059C (enExample) |
| DE (1) | DE60024061T2 (enExample) |
| WO (1) | WO2000046422A2 (enExample) |
Families Citing this family (39)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6217742B1 (en) * | 1996-10-11 | 2001-04-17 | Jack E. Bennett | Cathodic protection system |
| GB9802805D0 (en) * | 1998-02-10 | 1998-04-08 | Atraverda Ltd | Electrochemical treatment of reinforced concrete |
| US6572760B2 (en) * | 1999-02-05 | 2003-06-03 | David Whitmore | Cathodic protection |
| US6165346A (en) | 1999-02-05 | 2000-12-26 | Whitmore; David | Cathodic protection of concrete |
| US7276144B2 (en) * | 1999-02-05 | 2007-10-02 | David Whitmore | Cathodic protection |
| US6358397B1 (en) * | 2000-09-19 | 2002-03-19 | Cor/Sci, Llc. | Doubly-protected reinforcing members in concrete |
| WO2003027356A1 (en) * | 2001-09-26 | 2003-04-03 | J.E. Bennett Consultants, Inc. | Cathodic protection system |
| JP3521195B2 (ja) | 2001-11-27 | 2004-04-19 | 電気化学工業株式会社 | モルタル又はコンクリート部材の鋼材腐食防止方法及びそれに用いる鋼材腐食防止材料 |
| US6793800B2 (en) * | 2002-12-20 | 2004-09-21 | David Whitmore | Cathodic protection of steel within a covering material |
| FR2859223B1 (fr) * | 2003-08-29 | 2005-11-18 | Bouygues Travaux Publics | Procede et dispositif pour la protection cathodique d'un ouvrage en beton arme partiellement immerge |
| CA2444638C (en) | 2003-10-10 | 2008-11-25 | David W. Whitmore | Cathodic protection of steel within a covering material |
| GB0409521D0 (en) * | 2004-04-29 | 2004-06-02 | Fosroc International Ltd | Sacrificial anode assembly |
| EP1759189A4 (en) * | 2004-06-03 | 2015-02-25 | John E Bennett | ANODE ASSEMBLY FOR CATHODE PROTECTION |
| GB2451725B8 (en) * | 2004-07-06 | 2019-05-01 | E Chem Tech Ltd | Protection of reinforcing steel |
| US8211289B2 (en) * | 2005-03-16 | 2012-07-03 | Gareth Kevin Glass | Sacrificial anode and treatment of concrete |
| US8999137B2 (en) | 2004-10-20 | 2015-04-07 | Gareth Kevin Glass | Sacrificial anode and treatment of concrete |
| GB2427618B8 (en) * | 2004-10-20 | 2019-05-01 | E Chem Tech Ltd | Improvements related to the protection of reinforcement |
| GB0505353D0 (en) | 2005-03-16 | 2005-04-20 | Chem Technologies Ltd E | Treatment process for concrete |
| CA2488298C (en) | 2004-11-23 | 2008-10-14 | Highline Mfg. Inc. | Bale processor with grain mixing attachment |
| BRPI0617969A2 (pt) * | 2005-10-04 | 2011-08-09 | Gareth Glass | uso de um ánodo e um preenchimento para proteger o aço na construção de concreto reforçado e combinação de um ánodo e um preenchimento |
| US7422665B2 (en) * | 2006-03-08 | 2008-09-09 | David Whitmore | Anode for cathodic protection |
| WO2007126715A2 (en) * | 2006-04-06 | 2007-11-08 | Bennett John E | Activating matrix for cathodic protection |
| US8157983B2 (en) * | 2007-03-24 | 2012-04-17 | Bennett John E | Composite anode for cathodic protection |
| AU2009281686B2 (en) | 2008-08-11 | 2015-01-29 | Wolfgang Schwarz | Hydraulic binding agent and binding agent matrixes produced thereof |
| GB2464346A (en) * | 2008-10-17 | 2010-04-21 | Gareth Kevin Glass | Repair of reinforced concrete structures using sacrificial anodes |
| US7998321B1 (en) | 2009-07-27 | 2011-08-16 | Roberto Giorgini | Galvanic anode for reinforced concrete applications |
| US8361286B1 (en) | 2009-07-27 | 2013-01-29 | Roberto Giorgini | Galvanic anode for reinforced concrete applications |
| US8394193B2 (en) | 2009-08-10 | 2013-03-12 | Wolfgang Schwarz | Hydraulic binder and binder matrices made thereof |
| US10053782B2 (en) | 2012-07-19 | 2018-08-21 | Vector Corrosion Technologies Ltd. | Corrosion protection using a sacrificial anode |
| US8968549B2 (en) | 2012-07-19 | 2015-03-03 | Vector Corrosion Technologies Ltd. | Two stage cathodic protection system using impressed current and galvanic action |
| US8961746B2 (en) | 2012-07-19 | 2015-02-24 | Vector Corrosion Technologies Ltd. | Charging a sacrificial anode with ions of the sacrificial material |
| EP3623499A1 (en) | 2012-07-19 | 2020-03-18 | Vector Corrosion Technologies Ltd | Corrosion protection using a sacrificial anode |
| USRE50006E1 (en) | 2012-07-19 | 2024-06-11 | Vector Corrosion Technologies Ltd. | Corrosion protection using a sacrificial anode |
| US10227698B2 (en) | 2012-07-30 | 2019-03-12 | Construction Research & Technology Gmbh | Galvanic anode and method of corrosion protection |
| JP6239992B2 (ja) * | 2014-02-04 | 2017-11-29 | 株式会社ナカボーテック | 電気防食用バックフィル |
| JP6353733B2 (ja) * | 2014-08-04 | 2018-07-04 | デンカ株式会社 | コンクリート内の鋼材の防食機能を有したスペーサー部材およびその設置方法 |
| US9909220B2 (en) | 2014-12-01 | 2018-03-06 | Vector Corrosion Technologies Ltd. | Fastening sacrificial anodes to reinforcing bars in concrete for cathodic protection |
| US10570523B2 (en) | 2017-08-25 | 2020-02-25 | David William Whitmore | Manufacture of sacrificial anodes |
| CN115504748B (zh) * | 2022-10-28 | 2023-06-20 | 广州市克来斯特建材科技有限公司 | 一种牺牲阳极保护层砂浆及其制备方法和应用 |
Family Cites Families (34)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1269926A (en) | 1918-01-07 | 1918-06-18 | Carlos Idaho Gesell | Rust prevention. |
| US2193667A (en) | 1937-12-18 | 1940-03-12 | Woldemar A Bary | Apparatus for electrolytic protection of vessels |
| US2565544A (en) | 1946-08-28 | 1951-08-28 | Aluminum Co Of America | Cathodic protection and underground metallic structure embodying the same |
| BE521935A (enExample) | 1952-08-05 | |||
| US3414496A (en) | 1965-10-20 | 1968-12-03 | Continental Oil Co | Controlled potential protection of metallic vessel-latex solution systems |
| US3488275A (en) | 1967-05-11 | 1970-01-06 | Kaiser Aluminium Chem Corp | Cathodic protection system |
| NL7608443A (en) | 1976-07-29 | 1978-01-31 | Drs P J H Willems En H K M Bus | Combating rust formation in reinforced concrete - by drilling and inserting a metal, esp. aluminium, which is more electropositive than the reinforcement |
| US4265725A (en) * | 1979-07-20 | 1981-05-05 | C. E. Equipment Co., Inc. | Anode connection |
| US4435264A (en) | 1982-03-01 | 1984-03-06 | The Dow Chemical Company | Magnesium anode backfills |
| US4506485A (en) | 1983-04-12 | 1985-03-26 | State Of California, Department Of Transportation | Process for inhibiting corrosion of metal embedded in concrete and a reinforced concrete construction |
| US4692066A (en) | 1986-03-18 | 1987-09-08 | Clear Kenneth C | Cathodic protection of reinforced concrete in contact with conductive liquid |
| US4874487A (en) | 1986-07-18 | 1989-10-17 | Raychem Corporation | Corrosion protection |
| US4957612A (en) | 1987-02-09 | 1990-09-18 | Raychem Corporation | Electrodes for use in electrochemical processes |
| US5183694A (en) | 1988-04-19 | 1993-02-02 | Webb Michael G | Inhibiting corrosion in reinforced concrete |
| DE3826926A1 (de) * | 1988-08-09 | 1990-02-15 | Heraeus Elektroden | Anode fuer kathodischen korrosionsschutz |
| CA2040610A1 (en) | 1990-05-21 | 1991-11-22 | John E. Bennett | Apparatus for the removal of chloride from reinforced concrete structures |
| GB9015743D0 (en) * | 1990-07-17 | 1990-09-05 | Pithouse Kenneth B | The protection of cementitious material |
| US5141607A (en) | 1990-07-31 | 1992-08-25 | Corrpro Companies, Inc. | Method and apparatus for the removal of chlorides from steel reinforced concrete structures |
| US5292411A (en) * | 1990-09-07 | 1994-03-08 | Eltech Systems Corporation | Method and apparatus for cathodically protecting reinforced concrete structures |
| GB9102904D0 (en) | 1991-02-12 | 1991-03-27 | Ici America Inc | Modified cementitious composition |
| US5174871A (en) | 1991-06-27 | 1992-12-29 | Interprovincial Corrosion Control Company Limited | Method for providing cathodic protection of underground structures |
| GB9126899D0 (en) | 1991-12-19 | 1992-02-19 | Aston Material Services Ltd | Improvements in and relating to treatments for concrete |
| GB9215502D0 (en) | 1992-07-21 | 1992-09-02 | Ici Plc | Cathodic protection system and a coating and coating composition therefor |
| US5366670A (en) | 1993-05-20 | 1994-11-22 | Giner, Inc. | Method of imparting corrosion resistance to reinforcing steel in concrete structures |
| US6303017B1 (en) | 1993-06-16 | 2001-10-16 | Aston Material Services Limited | Cathodic protection of reinforced concrete |
| GB9312431D0 (en) * | 1993-06-16 | 1993-07-28 | Aston Material Services Ltd | Improvements in and relating to protecting reinforced concrete |
| US5650060A (en) | 1994-01-28 | 1997-07-22 | Minnesota Mining And Manufacturing Company | Ionically conductive agent, system for cathodic protection of galvanically active metals, and method and apparatus for using same |
| US5505826A (en) | 1994-11-30 | 1996-04-09 | Haglin; Patrick G. | Hydrophilic anode corrosion control system |
| AU5257996A (en) | 1995-03-24 | 1996-10-16 | Alltrista Corporation | Jacketed sacrificial anode cathodic protection system |
| US6033553A (en) * | 1996-10-11 | 2000-03-07 | Bennett; Jack E. | Cathodic protection system |
| US6471851B1 (en) * | 1996-10-11 | 2002-10-29 | Jack E. Bennett | Cathodic protection system |
| US5968339A (en) * | 1997-08-28 | 1999-10-19 | Clear; Kenneth C. | Cathodic protection system for reinforced concrete |
| GB9802805D0 (en) | 1998-02-10 | 1998-04-08 | Atraverda Ltd | Electrochemical treatment of reinforced concrete |
| US6165346A (en) | 1999-02-05 | 2000-12-26 | Whitmore; David | Cathodic protection of concrete |
-
1999
- 1999-02-05 US US09/245,373 patent/US6165346A/en not_active Ceased
-
2000
- 2000-02-02 AT AT00903438T patent/ATE310109T1/de not_active IP Right Cessation
- 2000-02-02 CA CA002350059A patent/CA2350059C/en not_active Expired - Fee Related
- 2000-02-02 DE DE60024061T patent/DE60024061T2/de not_active Expired - Lifetime
- 2000-02-02 JP JP2000597479A patent/JP4574013B2/ja not_active Expired - Fee Related
- 2000-02-02 EP EP00903438A patent/EP1153159B1/en not_active Expired - Lifetime
- 2000-02-02 AU AU25275/00A patent/AU775457B2/en not_active Ceased
- 2000-02-02 WO PCT/CA2000/000101 patent/WO2000046422A2/en not_active Ceased
-
2006
- 2006-10-24 US US11/585,305 patent/USRE40672E1/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| WO2000046422A3 (en) | 2000-12-07 |
| JP2002536544A (ja) | 2002-10-29 |
| US6165346A (en) | 2000-12-26 |
| ATE310109T1 (de) | 2005-12-15 |
| CA2350059C (en) | 2005-05-03 |
| WO2000046422A2 (en) | 2000-08-10 |
| EP1153159A1 (en) | 2001-11-14 |
| EP1153159B1 (en) | 2005-11-16 |
| USRE40672E1 (en) | 2009-03-24 |
| HK1038044A1 (en) | 2002-03-01 |
| DE60024061D1 (de) | 2005-12-22 |
| JP4574013B2 (ja) | 2010-11-04 |
| AU775457B2 (en) | 2004-08-05 |
| AU2527500A (en) | 2000-08-25 |
| CA2350059A1 (en) | 2000-08-10 |
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