EP2875171A4 - Corrosion protection using a sacrificial anode - Google Patents

Corrosion protection using a sacrificial anode

Info

Publication number
EP2875171A4
EP2875171A4 EP13820454.0A EP13820454A EP2875171A4 EP 2875171 A4 EP2875171 A4 EP 2875171A4 EP 13820454 A EP13820454 A EP 13820454A EP 2875171 A4 EP2875171 A4 EP 2875171A4
Authority
EP
European Patent Office
Prior art keywords
corrosion protection
sacrificial anode
sacrificial
anode
corrosion
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.)
Granted
Application number
EP13820454.0A
Other languages
German (de)
French (fr)
Other versions
EP2875171A1 (en
EP2875171C0 (en
EP2875171B1 (en
Inventor
George Sergi
Attanayake Mudiyanselage Gamini Seneviratne
David Whitmore
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Vector Corrosion Technologies Ltd
Original Assignee
Vector Corrosion Technologies Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from US13/553,489 external-priority patent/US20140021039A1/en
Priority claimed from US13/553,498 external-priority patent/US8961746B2/en
Priority claimed from US13/553,514 external-priority patent/US8968549B2/en
Application filed by Vector Corrosion Technologies Ltd filed Critical Vector Corrosion Technologies Ltd
Priority to EP19198293.3A priority Critical patent/EP3623499A1/en
Publication of EP2875171A1 publication Critical patent/EP2875171A1/en
Publication of EP2875171A4 publication Critical patent/EP2875171A4/en
Application granted granted Critical
Publication of EP2875171C0 publication Critical patent/EP2875171C0/en
Publication of EP2875171B1 publication Critical patent/EP2875171B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • C23F13/20—Conducting electric current to electrodes
    • 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
    • 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
    • C23F13/10—Electrodes characterised by the structure
    • 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
    • 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
    • C23F2213/00—Aspects of inhibiting corrosion of metals by anodic or cathodic protection
    • C23F2213/20—Constructional parts or assemblies of the anodic or cathodic protection apparatus
    • C23F2213/21—Constructional parts or assemblies of the anodic or cathodic protection apparatus combining at least two types of anodic or cathodic protection
    • 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
    • C23F2213/00—Aspects of inhibiting corrosion of metals by anodic or cathodic protection
    • C23F2213/20—Constructional parts or assemblies of the anodic or cathodic protection apparatus
    • C23F2213/22—Constructional parts or assemblies of the anodic or cathodic protection apparatus characterized by the ionic conductor, e.g. humectant, hydratant or backfill
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
    • E04C5/015—Anti-corrosion coatings or treating compositions, e.g. containing waterglass or based on another metal
EP13820454.0A 2012-07-19 2013-07-18 Corrosion protection using a sacrificial anode Active EP2875171B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP19198293.3A EP3623499A1 (en) 2012-07-19 2013-07-18 Corrosion protection using a sacrificial anode

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US13/553,489 US20140021039A1 (en) 2012-07-19 2012-07-19 Apparatus for Cathodic Protection System Using an Impressed Current Anode and a Sacrificial Anode
US13/553,498 US8961746B2 (en) 2012-07-19 2012-07-19 Charging a sacrificial anode with ions of the sacrificial material
US13/553,514 US8968549B2 (en) 2012-07-19 2012-07-19 Two stage cathodic protection system using impressed current and galvanic action
PCT/CA2013/050561 WO2014012185A1 (en) 2012-07-19 2013-07-18 Corrosion protection using a sacrificial anode

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP19198293.3A Division EP3623499A1 (en) 2012-07-19 2013-07-18 Corrosion protection using a sacrificial anode
EP19198293.3A Division-Into EP3623499A1 (en) 2012-07-19 2013-07-18 Corrosion protection using a sacrificial anode

Publications (4)

Publication Number Publication Date
EP2875171A1 EP2875171A1 (en) 2015-05-27
EP2875171A4 true EP2875171A4 (en) 2016-07-06
EP2875171C0 EP2875171C0 (en) 2024-01-03
EP2875171B1 EP2875171B1 (en) 2024-01-03

Family

ID=49948141

Family Applications (2)

Application Number Title Priority Date Filing Date
EP13820454.0A Active EP2875171B1 (en) 2012-07-19 2013-07-18 Corrosion protection using a sacrificial anode
EP19198293.3A Pending EP3623499A1 (en) 2012-07-19 2013-07-18 Corrosion protection using a sacrificial anode

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP19198293.3A Pending EP3623499A1 (en) 2012-07-19 2013-07-18 Corrosion protection using a sacrificial anode

Country Status (5)

Country Link
EP (2) EP2875171B1 (en)
JP (3) JP6273654B2 (en)
AU (1) AU2013293019B2 (en)
CA (4) CA3089939A1 (en)
WO (1) WO2014012185A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE49882E1 (en) 2012-07-19 2024-03-26 Vector Corrosion Technologies Ltd. Corrosion protection using a sacrificial anode
US20150284860A1 (en) 2012-10-18 2015-10-08 Gareth Glass Protection of steel reinforced concrete elements
US9909220B2 (en) * 2014-12-01 2018-03-06 Vector Corrosion Technologies Ltd. Fastening sacrificial anodes to reinforcing bars in concrete for cathodic protection
US10640877B2 (en) 2015-11-03 2020-05-05 Vector Remediation Ltd. Cathodic corrosion protection
JP2017179467A (en) * 2016-03-30 2017-10-05 株式会社ピーエス三菱 Electrical protection structure for reinforced concrete structure and method for measuring effect of the same
JP7116319B2 (en) * 2019-02-20 2022-08-10 日本電信電話株式会社 Anti-corrosion device
JP7377096B2 (en) 2019-12-24 2023-11-09 株式会社クボタ Corrosion protection device for buried metal pipes and corrosion protection construction method for buried metal pipes

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2030970C (en) * 1990-10-30 1999-06-29 Ronald L. Carpenter Dual bed cathodic protection system with automatic controls and method of use
US20080047843A1 (en) * 2004-04-29 2008-02-28 Glass Gareth K Sacrificial Anode Assembly
WO2008118589A1 (en) * 2007-03-24 2008-10-02 Bennett John E Composite anode for cathodic protection
US20100314262A1 (en) * 2009-06-15 2010-12-16 Gareth Kevin Glass Corrosion protection of steel in concrete
US7909982B2 (en) * 2005-03-16 2011-03-22 Gareth Glass Treatment process for concrete
WO2011163005A2 (en) * 2010-06-25 2011-12-29 Baker Hughes Incorporated Apparatus and methods for corrosion protection of downhole tools
WO2013156691A1 (en) * 2012-04-17 2013-10-24 Soletanche Freyssinet Method for the galvanic protection of a reinforced concrete structure

Family Cites Families (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53934B2 (en) * 1974-05-10 1978-01-13
JPS5518372Y2 (en) * 1975-01-13 1980-04-28
JPS568923Y2 (en) * 1975-09-03 1981-02-26
JPS6254090A (en) * 1985-09-02 1987-03-09 Showa Shell Sekiyu Kk Device for electrically preventing corrosion of embedded metallic body
JPS62116790A (en) * 1985-11-18 1987-05-28 Nakagawa Boshoku Kogyo Kk Electrolytic corrosion preventive device
JPS63286592A (en) * 1987-05-16 1988-11-24 Permelec Electrode Ltd Corrosion preventing electrode
JP2589150B2 (en) * 1988-06-17 1997-03-12 三洋電機株式会社 Alkaline zinc storage battery
JPH0283642U (en) * 1988-12-09 1990-06-28
JP2601338B2 (en) * 1989-01-30 1997-04-16 株式会社ナカボーテック Cathodic protection method using a galvanic anode system and an external power supply system together
US5026468A (en) * 1989-05-22 1991-06-25 Colorado Interstate Gas Company Dual bed cathodic protection system with automatic controls
GB9312431D0 (en) 1993-06-16 1993-07-28 Aston Material Services Ltd Improvements in and relating to protecting reinforced concrete
US6303017B1 (en) 1993-06-16 2001-10-16 Aston Material Services Limited Cathodic protection of reinforced concrete
JPH07316850A (en) * 1994-05-27 1995-12-05 Okanishi:Kk Corrosion preventive method by solar battery
US6217742B1 (en) 1996-10-11 2001-04-17 Jack E. Bennett Cathodic protection system
US6471851B1 (en) 1996-10-11 2002-10-29 Jack E. Bennett Cathodic protection system
JPH1161461A (en) * 1997-08-08 1999-03-05 Ejison:Kk Electrolytic corrosion preventive device of equipment mounted on ship
US6027633A (en) 1998-09-16 2000-02-22 Whitmore; David W. Electrolytic restoration of concrete
GB9823654D0 (en) 1998-10-29 1998-12-23 Fosroc International Ltd Connector for use in cathodic protection and method of use
US6572760B2 (en) 1999-02-05 2003-06-03 David Whitmore Cathodic protection
US7276144B2 (en) 1999-02-05 2007-10-02 David Whitmore Cathodic protection
US6165346A (en) 1999-02-05 2000-12-26 Whitmore; David Cathodic protection of concrete
US6346188B1 (en) 2000-03-24 2002-02-12 Enser Corporation Battery-powered cathodic protection system
JP2002206182A (en) * 2000-12-28 2002-07-26 Sumitomo Osaka Cement Co Ltd Electric protection system of concrete structure
EP1444382A4 (en) 2001-09-26 2006-03-08 J E Bennett Consultants Inc Cathodic protection system
JP2003129262A (en) * 2001-10-23 2003-05-08 Kajima Corp Electric protection part for corrosion prevention of concrete steel material
JP2003151569A (en) * 2001-11-08 2003-05-23 Sony Corp Alkaline zinc primary battery and alkaline zinc secondary battery
JP3969075B2 (en) * 2001-12-03 2007-08-29 ソニー株式会社 Cylindrical nickel zinc battery
US6793800B2 (en) 2002-12-20 2004-09-21 David Whitmore Cathodic protection of steel within a covering material
JP2005089857A (en) * 2003-09-20 2005-04-07 Socio Recur:Kk Method for preventing electrolytic corrosion by vibrating power generation
CA2444638C (en) 2003-10-10 2008-11-25 David W. Whitmore Cathodic protection of steel within a covering material
AT413822B (en) 2004-08-04 2006-06-15 Wolfgang Schwarz GALVANIC ANODISING SYSTEM FOR THE CORROSION PROTECTION OF STEEL AND METHOD FOR THE PRODUCTION THEREOF
US8211289B2 (en) 2005-03-16 2012-07-03 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
US8002964B2 (en) * 2005-10-04 2011-08-23 Gareth Kevin Glass Sacrificial anode and backfill
GB0604545D0 (en) * 2006-03-07 2006-04-19 Roberts Adrian C Electrical connection
JP2008098099A (en) * 2006-10-16 2008-04-24 Fdk Energy Co Ltd Anode material for battery, and battery
US8157983B2 (en) 2007-03-24 2012-04-17 Bennett John E Composite anode for cathodic protection
US7998321B1 (en) 2009-07-27 2011-08-16 Roberto Giorgini Galvanic anode for reinforced concrete applications
JP5437044B2 (en) 2009-12-16 2014-03-12 電気化学工業株式会社 Corrosion prevention method for reinforcing steel inside reinforced concrete
JP5678504B2 (en) * 2010-07-26 2015-03-04 株式会社Ihi Corrosion protection method for offshore steel structures in tidal currents.

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2030970C (en) * 1990-10-30 1999-06-29 Ronald L. Carpenter Dual bed cathodic protection system with automatic controls and method of use
US20080047843A1 (en) * 2004-04-29 2008-02-28 Glass Gareth K Sacrificial Anode Assembly
US7909982B2 (en) * 2005-03-16 2011-03-22 Gareth Glass Treatment process for concrete
WO2008118589A1 (en) * 2007-03-24 2008-10-02 Bennett John E Composite anode for cathodic protection
US20100314262A1 (en) * 2009-06-15 2010-12-16 Gareth Kevin Glass Corrosion protection of steel in concrete
WO2011163005A2 (en) * 2010-06-25 2011-12-29 Baker Hughes Incorporated Apparatus and methods for corrosion protection of downhole tools
WO2013156691A1 (en) * 2012-04-17 2013-10-24 Soletanche Freyssinet Method for the galvanic protection of a reinforced concrete structure

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
"CATHODIC PROTECTION OF STEEL IN CONCRETE (ISO 12696:2012)", ANNUAL CONGRESS OF THE BSI, 1 February 2012 (2012-02-01), pages III - VI,1, XP003035519 *
See also references of WO2014012185A1 *

Also Published As

Publication number Publication date
CA2936644C (en) 2017-10-31
CA2944472C (en) 2021-05-18
AU2013293019B2 (en) 2017-08-24
JP6273654B2 (en) 2018-02-07
EP3623499A1 (en) 2020-03-18
CA2936644A1 (en) 2014-01-23
CA3089939A1 (en) 2014-01-23
CA2879430C (en) 2023-06-13
JP2020015984A (en) 2020-01-30
JP6998066B2 (en) 2022-01-18
WO2014012185A1 (en) 2014-01-23
EP2875171A1 (en) 2015-05-27
AU2013293019A1 (en) 2015-01-22
CA2944472A1 (en) 2014-01-23
EP2875171C0 (en) 2024-01-03
EP2875171B1 (en) 2024-01-03
CA2879430A1 (en) 2014-01-23
JP2015525832A (en) 2015-09-07
JP6590902B2 (en) 2019-10-16
JP2018076595A (en) 2018-05-17

Similar Documents

Publication Publication Date Title
GB2506268B (en) Cathode
EP2922753A4 (en) A multifunctional erosion protection strip
GB201113485D0 (en) Corrosion protection
GB2508701B (en) A knee-walker
EP2875171C0 (en) Corrosion protection using a sacrificial anode
GB201119446D0 (en) A sacrificial anode
EP2638210A4 (en) Scaffolding attachment arrangement
EP2918734A4 (en) Shovel
EP2915925A4 (en) Shovel
GB201223264D0 (en) A hydrogen-storage-material
HK1207741A1 (en) Protection member
GB201207723D0 (en) Scaffold
EP2913443A4 (en) Shovel
GB2500025B (en) Scaffolding
EP2665962A4 (en) Water hammer arrester
PL2897657T3 (en) Hard scaffold
RS59309B1 (en) Ploughshare comprising a wearing-part arrangement
EP2924145A4 (en) Corrosion protection station using pulse current
IL227452A0 (en) Protection grid
GB2510464B (en) A Footgauge
GB201121851D0 (en) Sacrificial anode assembly
GB2506132B (en) A fuseboard
GB2506382B (en) A warning aid
HRP20130686T1 (en) Pipe with sacrificial anode
GB201202426D0 (en) Cathodic protection reference electrode

Legal Events

Date Code Title Description
TPAC Observations filed by third parties

Free format text: ORIGINAL CODE: EPIDOSNTIPA

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

17P Request for examination filed

Effective date: 20150219

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

DAX Request for extension of the european patent (deleted)
RIC1 Information provided on ipc code assigned before grant

Ipc: C23F 13/20 20060101AFI20160226BHEP

RA4 Supplementary search report drawn up and despatched (corrected)

Effective date: 20160608

RIC1 Information provided on ipc code assigned before grant

Ipc: C23F 13/20 20060101AFI20160602BHEP

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

17Q First examination report despatched

Effective date: 20180801

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

REG Reference to a national code

Ref country code: DE

Ref legal event code: R079

Free format text: PREVIOUS MAIN CLASS: C23F0013200000

Ipc: C23F0013060000

Ref country code: DE

Ref legal event code: R079

Ref document number: 602013085157

Country of ref document: DE

Free format text: PREVIOUS MAIN CLASS: C23F0013200000

Ipc: C23F0013060000

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

RIC1 Information provided on ipc code assigned before grant

Ipc: E04C 5/01 20060101ALI20230719BHEP

Ipc: C23F 13/20 20060101ALI20230719BHEP

Ipc: C23F 13/10 20060101ALI20230719BHEP

Ipc: C23F 13/06 20060101AFI20230719BHEP

INTG Intention to grant announced

Effective date: 20230803

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE PATENT HAS BEEN GRANTED

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 602013085157

Country of ref document: DE

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

U01 Request for unitary effect filed

Effective date: 20240201

U07 Unitary effect registered

Designated state(s): AT BE BG DE DK EE FI FR IT LT LU LV MT NL PT SE SI

Effective date: 20240209