EP0341832A3

Treatment of diesel exhaust gas

Abstract

In a process wherein diesel exhaust gas is passed through a filter (3) to remove particulate therefrom before discharge and particulate deposited on the filter is combusted, the improvement which comprises combusting the particulate with a gas containing NO₂ which may be catalytically generated in the exhaust system (1).

Term

Term ended

Projected expiry passed 12 April 2009, 17.5 years ago.

Every citation, both ways

Citations
Document	Relation	Office	Category	Cited during
GB1014498A	Cites	United Kingdom	A	Search report
FR2549135A1	Cites	France	A	Search report
FR2571429A1	Cites	France	X	Search report
DE3608635A1	Cites	Germany	A	Search report
US4372111A	Cites	United States of America	A	Search report
US4451441A	Cites	United States of America	A	Search report
US4759918A	Cites	United States of America	AP	Search report

20 members in 10 offices

This recordMember, by publication datePriority claim

Priority claims4

Priority claims
Document	Office	Kind	Date
193529	United States of America	–	1988-05-13
19352988	United States of America	A	1988-05-13
19352988	United States of America	A	1988-05-13
US19880193529	–	–	–

Members20

Family members, oldest first
Document	Office	Kind
DK233389D0	Denmark	D0	1989-05-12
NO891936D0	Norway	D0	1989-05-12
IE891551L	Ireland	L	1989-11-13
DK233389A	Denmark	A	1989-11-14
NO891936L	Norway	L	1989-11-14
EP0341832A2	European Patent Office (EPO)	A2	1989-11-15
JPH01318715A	Japan	A	1989-12-25
US4902487A	United States of America	A	1990-02-20
EP0341832A3This record	European Patent Office (EPO)	A3	1991-04-17
NO173171B	Norway	B	1993-08-02
NO173171C	Norway	C	1993-11-10
DK170361B1	Denmark	B1	1995-08-14
EP0341832B1	European Patent Office (EPO)	B1	1996-01-10
AT132940T	Austria	T	1996-01-15
DE68925382D1	Germany	D1	1996-02-22
ES2081301T3	Spain	T3	1996-03-01
GR3018800T3	Greece	T3	1996-04-30
DE68925382T2	Germany	T2	1996-05-15
IE71167B1	Ireland	B1	1997-01-29
JP3012249B2	Japan	B2	2000-02-21

42 legal events, as 5 offices reported them to INPADOC

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Events

Legal events, newest first
	Event	Code	Office
2009-11-30	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2009-07-31	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2009-06-26	Announcement of lapse in spainLapsedFD2A	FD2A	ES
2009-06-16	Se: european patent has lapsedLapsedEUG	EUG	EP
2009-06-02	Nl: ceased due to reaching the maximum lifetime of a patentCeasedNLV7	NLV7	EP
2009-05-29	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2009-05-06	Patent expired after termination of 20 yearsExpiredPE20	PE20	GB
2009-04-30	Be: patent expiredExpiredBE20	BE20	EP
2009-04-15	Patent ceasedCeasedPL	PL	CH
2009-02-27	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
2008-09-30	Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP	PGFP	EP
2008-09-30	Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP	PGFP	EP
2008-08-29	Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP	PGFP	EP
2008-07-31	Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP	PGFP	EP
2008-07-31	Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP	PGFP	EP
2008-07-31	Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP	PGFP	EP
2008-07-31	Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP	PGFP	EP
2008-05-30	Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP	PGFP	EP
2008-05-30	Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP	PGFP	EP
2008-04-30	Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP	PGFP	EP
2006-04-28	New agentNV	NV	CH
2002-01-01	European patent in force as of 2002-01-01IF02	IF02	GB
1997-01-02	No opposition filedOpposition26N	26N	EP
1996-11-15	No opposition filed within time limitOppositionORIGINAL CODE: 0009261PLBE	PLBE	EP
1996-11-15	Information on the status of an ep patent application or granted ep patentGrantedSTATUS: NO OPPOSITION FILED WITHIN TIME LIMITSTAA	STAA	EP
1996-04-01	It: translation for a ep patent filedITF	ITF	EP
1996-04-01	It: translation for a ep patent filedITF	ITF	EP
1996-03-29	Validation in greece3018800FG4A	FG4A	GR
1996-03-01	Definitive protectionFG2A	FG2A	ES
1996-02-22	Corresponds to:REF	REF	EP
1996-01-26	Fr: translation filedET	ET	EP
1996-01-10	Designated contracting statesAK	AK	EP
1996-01-10	Corresponds to:REF	REF	EP
1995-11-24	(expected) grantORIGINAL CODE: 0009210GRAA	GRAA	EP
1995-06-28	Party data changed (applicant data changed or rights of an application transferred)RAP1	RAP1	EP
1992-04-01	First examination report despatched17Q	17Q	EP
1991-12-11	Request for examination filed17P	17P	EP
1991-04-17	Designated contracting statesAK	AK	EP
1991-02-26	Search report despatchedORIGINAL CODE: 0009013PUAL	PUAL	EP
1989-11-15	Designated contracting statesAK	AK	EP
1989-09-30	Public reference made under article 153(3) epc to a published international application that has entered the european phaseORIGINAL CODE: 0009012PUAI	PUAI	EP

Treatment of diesel exhaust gas

Abstract

Term

Priority claims4

Members20

Over the term

Events

Numbers

Titles3

Classification

Designated states1