EP1074640A4 - Electrolytic phosphating process and composite coating formed on steel surface - Google Patents

Electrolytic phosphating process and composite coating formed on steel surface

Info

Publication number: EP1074640A4
Authority: EP; European Patent Office
Prior art keywords: composite coating; steel surface; coating formed; phosphating process; electrolytic phosphating
Prior art date: 1998-12-17
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.): Ceased

Application number

EP99959898A

Other languages

German (de)

French (fr)

Other versions

EP1074640A1 (en

Inventor

Shigeki Matsuda

Shin Nishiya

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.)

Denso Corp

Original Assignee

Denso 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.)

1998-12-17

Filing date

1999-12-17

Publication date

2006-06-21

1999-12-17 Application filed by Denso Corp filed Critical Denso Corp

2001-02-07 Publication of EP1074640A1 publication Critical patent/EP1074640A1/en

2006-06-21 Publication of EP1074640A4 publication Critical patent/EP1074640A4/en

Status Ceased legal-status Critical Current

Links

Classifications

- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/36—Phosphatising

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Chemical Kinetics & Catalysis (AREA)
Electrochemistry (AREA)
Materials Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Chemical Treatment Of Metals (AREA)

EP99959898A 1998-12-17 1999-12-17 Electrolytic phosphating process and composite coating formed on steel surface Ceased EP1074640A4 (en)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
JP35925498		1998-12-17
JP35925498		1998-12-17
PCT/JP1999/007124 WO2000036191A1 (en)	1998-12-17	1999-12-17	Electrolytic phosphating process and composite coating formed on steel surface

Publications (2)

Publication Number	Publication Date
EP1074640A1 EP1074640A1 (en)	2001-02-07
EP1074640A4 true EP1074640A4 (en)	2006-06-21

Family

ID=18463558

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP99959898A Ceased EP1074640A4 (en)	1998-12-17	1999-12-17	Electrolytic phosphating process and composite coating formed on steel surface

Country Status (6)

Country	Link
EP (1)	EP1074640A4 (en)
KR (1)	KR100400522B1 (en)
CN (1)	CN1221687C (en)
BR (1)	BR9907916B1 (en)
CA (1)	CA2320865C (en)
WO (1)	WO2000036191A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP3479609B2 (en) *	1999-03-02	2003-12-15	日本パーカライジング株式会社	Sludge-free zinc phosphate treatment liquid and zinc phosphate treatment method
JP4019723B2 (en)	2001-02-23	2007-12-12	株式会社デンソー	Electrolytic phosphate chemical treatment method
WO2006007730A1 (en) *	2004-07-21	2006-01-26	The University Of British Columbia	Method of electrolytically depositing a pharmaceutical coating onto a conductive osteal implant
DE102005023023B4 (en) *	2005-05-19	2017-02-09	Chemetall Gmbh	Method of preparing metallic workpieces for cold forming, process coated workpieces and their use
EP2186928A1 (en) *	2008-11-14	2010-05-19	Enthone, Inc.	Method for the post-treatment of metal layers
CN113073371A (en) *	2021-03-22	2021-07-06	领润(南京)绿色化学有限公司	Clean anode plate friendly electrolytic phosphating solution and phosphating process thereof

Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5401381A (en) *	1991-04-06	1995-03-28	Henkel Kommanditgesellschaft Auf Aktien	Process for phosphating metallic surfaces

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH05306497A (en) *	1992-04-30	1993-11-19	Nippondenso Co Ltd	Phophatizing chemical conversion treatment

1999
- 1999-12-17 CN CNB998041718A patent/CN1221687C/en not_active Expired - Lifetime
- 1999-12-17 WO PCT/JP1999/007124 patent/WO2000036191A1/en active IP Right Grant
- 1999-12-17 BR BRPI9907916-0A patent/BR9907916B1/en not_active IP Right Cessation
- 1999-12-17 EP EP99959898A patent/EP1074640A4/en not_active Ceased
- 1999-12-17 CA CA2320865A patent/CA2320865C/en not_active Expired - Fee Related
- 1999-12-17 KR KR10-2000-7008710A patent/KR100400522B1/en active IP Right Grant

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5401381A (en) *	1991-04-06	1995-03-28	Henkel Kommanditgesellschaft Auf Aktien	Process for phosphating metallic surfaces

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO0036191A1 *

Also Published As

Publication number	Publication date
CA2320865C (en)	2010-03-16
BR9907916B1 (en)	2011-07-26
CN1293720A (en)	2001-05-02
WO2000036191A1 (en)	2000-06-22
BR9907916A (en)	2002-04-30
CA2320865A1 (en)	2000-06-22
CN1221687C (en)	2005-10-05
EP1074640A1 (en)	2001-02-07
KR100400522B1 (en)	2003-10-10
KR20010040816A (en)	2001-05-15

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Legal Events

Date	Code	Title	Description
2000-12-22	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
2001-02-07	17P	Request for examination filed	Effective date: 20000810
2001-02-07	AK	Designated contracting states	Kind code of ref document: A1 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
2004-05-19	RBV	Designated contracting states (corrected)	Designated state(s): DE FR GB
2006-06-21	A4	Supplementary search report drawn up and despatched	Effective date: 20060519
2008-01-02	17Q	First examination report despatched	Effective date: 20071128
2019-07-12	REG	Reference to a national code	Ref country code: DE Ref legal event code: R003
2019-10-18	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION HAS BEEN REFUSED
2019-11-20	18R	Application refused	Effective date: 20190712