EP0461866A3 - Nickel powder comprising ultra-fine spherical particles and method of producing the same - Google Patents

Nickel powder comprising ultra-fine spherical particles and method of producing the same Download PDF

Info

Publication number: EP0461866A3
Authority: EP; European Patent Office
Prior art keywords: ultra; producing; same; spherical particles; nickel powder
Prior art date: 1990-06-12
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

EP19910305280

Other versions

EP0461866A2 (en

EP0461866B1 (en

Inventor

Hiroyuki Ishikawa

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.)

JFE Steel Corp

Original Assignee

Kawasaki Steel 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.)

1990-06-12

Filing date

1991-06-12

Publication date

1992-09-23

1991-06-12 Application filed by Kawasaki Steel Corp filed Critical Kawasaki Steel Corp

1991-12-18 Publication of EP0461866A2 publication Critical patent/EP0461866A2/en

1992-09-23 Publication of EP0461866A3 publication Critical patent/EP0461866A3/en

1997-05-21 Application granted granted Critical

1997-05-21 Publication of EP0461866B1 publication Critical patent/EP0461866B1/en

2011-06-12 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/16—Making metallic powder or suspensions thereof using chemical processes
- B22F9/18—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds
- B22F9/28—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from gaseous metal compounds

EP91305280A 1990-06-12 1991-06-12 Nickel powder comprising ultra-fine spherical particles and method of producing the same Expired - Lifetime EP0461866B1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP2151645A JPH0445207A (en)	1990-06-12	1990-06-12	Manufacture of spherical nickel fine particles
JP151645/90		1990-06-12

Publications (3)

Publication Number	Publication Date
EP0461866A2 EP0461866A2 (en)	1991-12-18
EP0461866A3 true EP0461866A3 (en)	1992-09-23
EP0461866B1 EP0461866B1 (en)	1997-05-21

Family

ID=15523092

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP91305280A Expired - Lifetime EP0461866B1 (en)	1990-06-12	1991-06-12	Nickel powder comprising ultra-fine spherical particles and method of producing the same

Country Status (5)

Country	Link
EP (1)	EP0461866B1 (en)
JP (1)	JPH0445207A (en)
KR (1)	KR940009339B1 (en)
CA (1)	CA2044454C (en)
DE (1)	DE69126170T2 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP3640511B2 (en)	1997-09-05	2005-04-20	Ｊｆｅミネラル株式会社	Nickel super fine powder
JPH11189801A (en)	1997-12-25	1999-07-13	Kawatetsu Mining Co Ltd	Nickel super fine powder
JPH11189802A (en) *	1997-12-25	1999-07-13	Kawatetsu Mining Co Ltd	Nickel super fine powder
WO2000003823A1 (en) *	1998-07-15	2000-01-27	Toho Titanium Co., Ltd.	Metal powder
US6391084B1 (en) *	1998-07-27	2002-05-21	Toho Titanium Co., Ltd.	Metal nickel powder
JP3807873B2 (en) *	1999-06-08	2006-08-09	東邦チタニウム株式会社	Method for producing Ni ultrafine powder
KR100453554B1 (en) *	2002-03-27	2004-10-20	한국지질자원연구원	Producing method for cobalt ultrafine particles by the gas phase reduction
JP3492672B1 (en) *	2002-05-29	2004-02-03	東邦チタニウム株式会社	Metal powder manufacturing method and manufacturing apparatus
WO2005044488A1 (en) *	2003-11-05	2005-05-19	Ishihara Chemical Co., Ltd.	Processes for production of ultrafine particles of pure metals and alloys
KR102564634B1 (en) *	2021-11-10	2023-08-08	한국생산기술연구원	Inorganic powder manufacturing apparatus and manufacturing method
KR102572729B1 (en) *	2021-11-10	2023-08-31	한국생산기술연구원	Inorganic powder manufacturing apparatus and manufacturing method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB552120A (en) *	1941-08-14	1943-03-24	Telephone Mfg Co Ltd	Improvements in and relating to the production of metal or alloy powders
US4383852A (en) *	1980-09-13	1983-05-17	Toho Aen Kabushiki Kaisha	Process for producing fine powdery metal
US4810285A (en) *	1985-09-17	1989-03-07	Kawasaki Steel Corporation	Process for preparing spherical copper fine powder

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS62192507A (en) *	1986-02-20	1987-08-24	Akinobu Yoshizawa	Production of pulverized metallic powder

1990
- 1990-06-12 JP JP2151645A patent/JPH0445207A/en active Pending
1991
- 1991-06-12 DE DE69126170T patent/DE69126170T2/en not_active Expired - Lifetime
- 1991-06-12 KR KR1019910009836A patent/KR940009339B1/en not_active IP Right Cessation
- 1991-06-12 EP EP91305280A patent/EP0461866B1/en not_active Expired - Lifetime
- 1991-06-12 CA CA002044454A patent/CA2044454C/en not_active Expired - Lifetime

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB552120A (en) *	1941-08-14	1943-03-24	Telephone Mfg Co Ltd	Improvements in and relating to the production of metal or alloy powders
US4383852A (en) *	1980-09-13	1983-05-17	Toho Aen Kabushiki Kaisha	Process for producing fine powdery metal
US4810285A (en) *	1985-09-17	1989-03-07	Kawasaki Steel Corporation	Process for preparing spherical copper fine powder

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 12, no. 39 (M-665)5 February 1988 & JP-A-62 192 507 ( AKINOBU YOSHIZAWA ) 24 August 1987 *

Also Published As

Publication number	Publication date
CA2044454A1 (en)	1991-12-13
KR920000417A (en)	1992-01-29
KR940009339B1 (en)	1994-10-07
CA2044454C (en)	1997-05-06
JPH0445207A (en)	1992-02-14
EP0461866A2 (en)	1991-12-18
EP0461866B1 (en)	1997-05-21
DE69126170T2 (en)	1998-01-08
DE69126170D1 (en)	1997-06-26

Legal Events

Date	Code	Title	Description
1991-11-01	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
1991-12-18	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): DE FR GB
1992-08-06	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1992-09-23	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): DE FR GB
1993-05-12	17P	Request for examination filed	Effective date: 19930317
1994-12-28	17Q	First examination report despatched	Effective date: 19941111
1996-07-23	GRAG	Despatch of communication of intention to grant	Free format text: ORIGINAL CODE: EPIDOS AGRA
1996-11-07	GRAH	Despatch of communication of intention to grant a patent	Free format text: ORIGINAL CODE: EPIDOS IGRA
1997-02-06	GRAH	Despatch of communication of intention to grant a patent	Free format text: ORIGINAL CODE: EPIDOS IGRA
1997-04-04	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
1997-05-21	AK	Designated contracting states	Kind code of ref document: B1 Designated state(s): DE FR GB
1997-06-20	ET	Fr: translation filed
1997-06-26	REF	Corresponds to:	Ref document number: 69126170 Country of ref document: DE Date of ref document: 19970626
1998-03-27	PLBE	No opposition filed within time limit	Free format text: ORIGINAL CODE: 0009261
1998-03-27	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT
1998-05-13	26N	No opposition filed
2002-01-01	REG	Reference to a national code	Ref country code: GB Ref legal event code: IF02
2010-07-30	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: FR Payment date: 20100709 Year of fee payment: 20
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2013-06-28	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: DE Free format text: LAPSE BECAUSE OF EXPIRATION OF PROTECTION Effective date: 20110613

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