EP2079822A4 - Lubricating coating composition suitable for tubular threaded joints - Google Patents

Lubricating coating composition suitable for tubular threaded joints

Info

Publication number
EP2079822A4
EP2079822A4 EP07830127.2A EP07830127A EP2079822A4 EP 2079822 A4 EP2079822 A4 EP 2079822A4 EP 07830127 A EP07830127 A EP 07830127A EP 2079822 A4 EP2079822 A4 EP 2079822A4
Authority
EP
European Patent Office
Prior art keywords
coating composition
composition suitable
lubricating coating
threaded joints
tubular threaded
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.)
Withdrawn
Application number
EP07830127.2A
Other languages
German (de)
French (fr)
Other versions
EP2079822A1 (en
Inventor
Ryuichi Imai
Kunio Goto
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.)
Vallourec Oil and Gas France SAS
Nippon Steel Corp
Original Assignee
Vallourec Oil and Gas France SAS
Nippon Steel and Sumitomo Metal Corp
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
Application filed by Vallourec Oil and Gas France SAS, Nippon Steel and Sumitomo Metal Corp filed Critical Vallourec Oil and Gas France SAS
Publication of EP2079822A1 publication Critical patent/EP2079822A1/en
Publication of EP2079822A4 publication Critical patent/EP2079822A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M169/00Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
    • C10M169/04Mixtures of base-materials and additives
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L15/00Screw-threaded joints; Forms of screw-threads for such joints
    • F16L15/04Screw-threaded joints; Forms of screw-threads for such joints with additional sealings
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2205/00Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
    • C10M2205/02Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers
    • C10M2205/022Ethene
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2205/00Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
    • C10M2205/14Synthetic waxes, e.g. polythene waxes
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2205/00Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
    • C10M2205/16Paraffin waxes; Petrolatum, e.g. slack wax
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2205/00Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
    • C10M2205/17Fisher Tropsch reaction products
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2205/00Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
    • C10M2205/18Natural waxes, e.g. ceresin, ozocerite, bees wax, carnauba; Degras
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/02Hydroxy compounds
    • C10M2207/023Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings
    • C10M2207/0235Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings used as base material
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/02Hydroxy compounds
    • C10M2207/023Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings
    • C10M2207/028Overbased salts thereof
    • C10M2207/0285Overbased salts thereof used as base material
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/10Carboxylix acids; Neutral salts thereof
    • C10M2207/12Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M2207/125Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids
    • C10M2207/1253Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids used as base material
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/10Carboxylix acids; Neutral salts thereof
    • C10M2207/12Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M2207/125Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids
    • C10M2207/126Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids monocarboxylic
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/26Overbased carboxylic acid salts
    • C10M2207/262Overbased carboxylic acid salts derived from hydroxy substituted aromatic acids, e.g. salicylates
    • C10M2207/2623Overbased carboxylic acid salts derived from hydroxy substituted aromatic acids, e.g. salicylates used as base material
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2219/00Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
    • C10M2219/04Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions containing sulfur-to-oxygen bonds, i.e. sulfones, sulfoxides
    • C10M2219/046Overbasedsulfonic acid salts
    • C10M2219/0463Overbasedsulfonic acid salts used as base material
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10NINDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/06Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10NINDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/12Inhibition of corrosion, e.g. anti-rust agents or anti-corrosives
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10NINDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/64Environmental friendly compositions
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10NINDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2050/00Form in which the lubricant is applied to the material being lubricated
    • C10N2050/015Dispersions of solid lubricants
    • C10N2050/02Dispersions of solid lubricants dissolved or suspended in a carrier which subsequently evaporates to leave a lubricant coating
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10NINDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2050/00Form in which the lubricant is applied to the material being lubricated
    • C10N2050/10Semi-solids; greasy
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10NINDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2080/00Special pretreatment of the material to be lubricated, e.g. phosphatising or chromatising of a metal
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02Couplings; joints
    • E21B17/04Couplings; joints between rod or the like and bit or between rod and rod or the like
    • E21B17/042Threaded

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Lubricants (AREA)
  • Non-Disconnectible Joints And Screw-Threaded Joints (AREA)
EP07830127.2A 2006-10-13 2007-10-12 Lubricating coating composition suitable for tubular threaded joints Withdrawn EP2079822A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2006280478A JP5145684B2 (en) 2006-10-13 2006-10-13 Lubricating film forming composition suitable for threaded joints for steel pipes
PCT/JP2007/070393 WO2008044799A1 (en) 2006-10-13 2007-10-12 Lubricating coating composition suitable for tubular threaded joints

Publications (2)

Publication Number Publication Date
EP2079822A1 EP2079822A1 (en) 2009-07-22
EP2079822A4 true EP2079822A4 (en) 2014-08-20

Family

ID=39282983

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07830127.2A Withdrawn EP2079822A4 (en) 2006-10-13 2007-10-12 Lubricating coating composition suitable for tubular threaded joints

Country Status (11)

Country Link
US (1) US20090264326A1 (en)
EP (1) EP2079822A4 (en)
JP (1) JP5145684B2 (en)
CN (1) CN101535458B (en)
AR (1) AR063281A1 (en)
BR (1) BRPI0717398A2 (en)
CA (1) CA2665966C (en)
MX (1) MX336519B (en)
NO (1) NO20091381L (en)
RU (1) RU2418041C2 (en)
WO (1) WO2008044799A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AR076167A1 (en) * 2009-03-30 2011-05-26 Sumitomo Metal Ind APPLIANCE AND METHOD FOR THE APPLICATION OF A LUBRICANT TO A THREADED PORTION OF A STEEL PIPE
FR2966191B1 (en) * 2010-10-15 2013-11-01 Vallourec Mannesmann Oil & Gas TUBULAR THREADED COMPONENT AND RESULTING SEAL
DE202011104255U1 (en) 2011-08-11 2011-11-15 Voswinkel Entwicklungs- Und Verwaltungs-Gmbh & Co. Kg Screw coupling for releasably connecting high pressure hydraulic lines
CA2922387C (en) 2013-09-02 2017-09-26 Nippon Steel & Sumitomo Metal Corporation Lubricant film-forming composition and screw joint for steel pipe
US9643206B2 (en) * 2013-09-20 2017-05-09 Nabors Industries, Inc. Lubricant application to threaded pipe connections
JP5979795B2 (en) * 2014-10-28 2016-08-31 ヤマハ発動機株式会社 Connecting rod, internal combustion engine and motor vehicle
RU2606388C1 (en) * 2015-07-20 2017-01-10 Общество с ограниченной ответственностью Научно-исследовательское производственное предприятие"ВАЛЬМА" Thread lubricant
US20190331262A1 (en) * 2016-06-30 2019-10-31 Nippon Steel & Sumitomo Metal Corporation Threaded Connection for Pipe and Method for Producing Threaded Connection for Pipe
AU2017346799B2 (en) * 2016-10-18 2020-04-02 Nippon Steel Corporation Threaded connection for pipe and method for producing threaded connection for pipe
US11732211B2 (en) 2021-11-30 2023-08-22 Rtx Scientific, Incorporated Pipe sealing compound/adjunct lubricant

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1350834A1 (en) * 2000-12-04 2003-10-08 Sumitomo Metal Industries, Ltd. Composition for lubricating-film formation suitable for lubrication of screw joint
US20040239105A1 (en) * 2002-05-31 2004-12-02 Keishi Matsumoto Threaded joint for steel pipes
WO2006104251A1 (en) * 2005-03-29 2006-10-05 Sumitomo Metal Industries, Ltd. Threaded joint for steel pipes

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2813375B1 (en) 2000-08-31 2003-06-20 Vallourec Mannesmann Oil & Gas THREADED ELEMENT FOR TUBULAR THREAD-RESISTANT THREADED JOINT
JP2003073681A (en) * 2001-09-03 2003-03-12 Hitachi Ltd Working medium composition for refrigerator and refrigerator using the composition
US6919301B2 (en) * 2001-10-16 2005-07-19 Nsk Ltd. Grease composition and rolling apparatus
JP2003301190A (en) * 2002-02-06 2003-10-21 Nsk Ltd Grease composition and rotary apparatus
JP4218423B2 (en) * 2002-05-31 2009-02-04 住友金属工業株式会社 Threaded joints for steel pipes
JP4305631B2 (en) * 2003-04-11 2009-07-29 株式会社ジャパンエナジー Biodegradable lubricant
JP4599874B2 (en) * 2004-04-06 2010-12-15 住友金属工業株式会社 Threaded joint for oil well pipe and method for manufacturing the same

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1350834A1 (en) * 2000-12-04 2003-10-08 Sumitomo Metal Industries, Ltd. Composition for lubricating-film formation suitable for lubrication of screw joint
US20040239105A1 (en) * 2002-05-31 2004-12-02 Keishi Matsumoto Threaded joint for steel pipes
WO2006104251A1 (en) * 2005-03-29 2006-10-05 Sumitomo Metal Industries, Ltd. Threaded joint for steel pipes

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2008044799A1 *

Also Published As

Publication number Publication date
CA2665966C (en) 2012-01-03
US20090264326A1 (en) 2009-10-22
NO20091381L (en) 2009-07-09
CA2665966A1 (en) 2008-04-17
MX2009003864A (en) 2009-07-02
WO2008044799A1 (en) 2008-04-17
CN101535458A (en) 2009-09-16
MX336519B (en) 2016-01-21
CN101535458B (en) 2013-06-05
EP2079822A1 (en) 2009-07-22
BRPI0717398A2 (en) 2013-10-15
AR063281A1 (en) 2009-01-21
JP5145684B2 (en) 2013-02-20
JP2008095019A (en) 2008-04-24
RU2009117854A (en) 2010-11-20
RU2418041C2 (en) 2011-05-10

Similar Documents

Publication Publication Date Title
EP2079822A4 (en) Lubricating coating composition suitable for tubular threaded joints
EP2002165A4 (en) Tubular threaded joint
EG26876A (en) Pipe screw joint with lubricating film
EG26045A (en) Threaded joint for pipes
EP2053117A4 (en) Lubricant composition
PL2342314T3 (en) Lubrication composition for a threaded element of a threaded tubular connection component
EP2048380A4 (en) Joint for tube bodies
PL2059704T3 (en) Threaded joint for steel pipes
IL196250A0 (en) Lubricant composition
EP2003187A4 (en) Lubricant composition
EP2077318A4 (en) Grease composition
EP2119761A4 (en) Lubricant composition
EP2223992A4 (en) Lubricant composition
EP2141220A4 (en) Lubricant composition
EP2240557A4 (en) Lubricant composition
EP2075294A4 (en) Fluorine coating composition
EP2154231A4 (en) Lubricant composition
EP2054491A4 (en) Grease composition for constant velocity joints
GB201102256D0 (en) Lubricant compositions
GB2440217B (en) Lubricant compositions
EP2145941A4 (en) Lubricant composition
GB0724188D0 (en) Lubricating composition
EP2096152A4 (en) Coating composition
GB2444640B (en) Lubricating composition
PL394050A1 (en) Oil painting composition

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

17P Request for examination filed

Effective date: 20090417

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

DAX Request for extension of the european patent (deleted)
RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: VALLOUREC MANNESMANN OIL & GAS FRANCE

Owner name: NIPPON STEEL & SUMITOMO METAL CORPORATION

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: NIPPON STEEL & SUMITOMO METAL CORPORATION

Owner name: VALLOUREC OIL AND GAS FRANCE

A4 Supplementary search report drawn up and despatched

Effective date: 20140721

RIC1 Information provided on ipc code assigned before grant

Ipc: C10N 30/00 20060101ALI20140715BHEP

Ipc: C10N 30/12 20060101ALI20140715BHEP

Ipc: C10N 10/04 20060101ALI20140715BHEP

Ipc: C10M 159/24 20060101ALI20140715BHEP

Ipc: C10N 50/02 20060101ALI20140715BHEP

Ipc: C10M 159/22 20060101ALI20140715BHEP

Ipc: C10N 40/00 20060101ALI20140715BHEP

Ipc: C10N 30/06 20060101ALI20140715BHEP

Ipc: C10M 169/04 20060101AFI20140715BHEP

Ipc: C10M 159/20 20060101ALI20140715BHEP

Ipc: F16L 15/04 20060101ALI20140715BHEP

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: 20171123

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: 20180404