EP0947469A3

Abrasive

Abstract

The abrasive of the present invention is composed of ceric oxide particles heated at a temperature of 50 to 250°C in an aqueous medium in the presence of an ammonium salt or of a reducing substance. The abrasive is used for polishing preferably of semiconductor devices.

Term

Term ended

Projected expiry passed 30 July 2017, 9.2 years ago.

Every citation, both ways

Citations
Document	Relation	Office	Category	Cited during	Relevant claims
GB2075478A	Cites	United Kingdom	A	Search report	–
GB2102780A	Cites	United Kingdom	DA	Search report	1,2,4-6,8
HIRANO M ET AL: "THE HYDROTHERMAL SYNTHESIS OF ULTRAFINE CERIUM(IV) OXIDE POWDERS", JOURNAL OF MATERIALS SCIENCE LETTERS,GB,CHAPMAN AND HALL LTD. LONDON, vol. 15, no. 14, pages 1249-1250, XP000628318, ISSN: 0261-8028	Non-patent	–	–	Search report	–

16 members in 4 offices

This recordMember, by publication datePriority claim

Priority claims5

Priority claims
Document	Office	Kind	Date
20005696	Japan	–	1996-07-30
20005696	Japan	A	1996-07-30
20345096	Japan	–	1996-08-01
20345096	Japan	A	1996-08-01
97810545	European Patent Office (EPO)	A	1997-07-30

Members16

Family members, oldest first
Document	Office	Kind
EP0822164A2	European Patent Office (EPO)	A2	1998-02-04
JPH1094955A	Japan	A	1998-04-14
JPH1095614A	Japan	A	1998-04-14
EP0822164A3	European Patent Office (EPO)	A3	1998-08-26
US5962343A	United States of America	A	1999-10-05
EP0947469A2	European Patent Office (EPO)	A2	1999-10-06
EP0947469A3This record	European Patent Office (EPO)	A3	2000-01-12
EP0822164B1	European Patent Office (EPO)	B1	2001-01-24
DE69703957D1	Germany	D1	2001-03-01
DE69703957T2	Germany	T2	2001-08-30
US6372003B1	United States of America	B1	2002-04-16
EP0947469B1	European Patent Office (EPO)	B1	2002-05-15
DE69712637D1	Germany	D1	2002-06-20
DE69712637T2	Germany	T2	2003-01-30
JP3918241B2	Japan	B2	2007-05-23
JP4019453B2	Japan	B2	2007-12-12

32 legal events, as 3 offices reported them to INPADOC

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Events

Legal events, newest first
	Event	Code	Office
2016-01-29	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2010-06-30	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2010-05-31	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2010-04-23	Notification of lapseLapsedST	ST	FR
2010-03-24	Gb: european patent ceased through non-payment of renewal feeCeasedGBPC	GBPC	EP
2008-12-31	Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP	PGFP	EP
2008-11-28	Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP	PGFP	EP
2008-10-31	Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP	PGFP	EP
2004-07-30	Ip right revivedD3	D3	FR
2004-04-30	Notification of lapseLapsedST	ST	FR
2004-03-31	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2003-05-07	No opposition filedOpposition26N	26N	EP
2003-03-21	No opposition filed within time limitOppositionORIGINAL CODE: 0009261PLBE	PLBE	EP
2003-03-21	Information on the status of an ep patent application or granted ep patentGrantedSTATUS: NO OPPOSITION FILED WITHIN TIME LIMITSTAA	STAA	EP
2002-11-08	Fr: translation filedET	ET	EP
2002-06-20	Corresponds to:REF	REF	EP
2002-05-15	Divisional application: reference to earlier applicationAC	AC	EP
2002-05-15	Designated contracting statesAK	AK	EP
2002-05-15	European patent grantedGrantedFG4D	FG4D	GB
2002-03-28	(expected) grantORIGINAL CODE: 0009210GRAA	GRAA	EP
2002-03-01	Despatch of communication of intention to grant a patentORIGINAL CODE: EPIDOS IGRAGRAH	GRAH	EP
2001-11-09	Despatch of communication of intention to grantORIGINAL CODE: EPIDOS AGRAGRAG	GRAG	EP
2001-11-09	Despatch of communication of intention to grant a patentORIGINAL CODE: EPIDOS IGRAGRAH	GRAH	EP
2001-08-27	Despatch of communication of intention to grantORIGINAL CODE: EPIDOS AGRAGRAG	GRAG	EP
2000-09-27	Designation fees paidDE FR GBAKX	AKX	EP
2000-06-14	First examination report despatched17Q	17Q	EP
2000-04-12	Request for examination filed17P	17P	EP
2000-01-12	Designated contracting statesAK	AK	EP
1999-11-26	Search report despatchedORIGINAL CODE: 0009013PUAL	PUAL	EP
1999-10-06	Divisional application: reference to earlier applicationAC	AC	EP
1999-10-06	Designated contracting statesAK	AK	EP
1999-08-20	Public reference made under article 153(3) epc to a published international application that has entered the european phaseORIGINAL CODE: 0009012PUAI	PUAI	EP

Abrasive

Abstract

Term

Priority claims5

Members16

Over the term

Events

Numbers

Titles3

Classification

Designated states3