EP0457553A3

Multifocal multizone diffractive ophthalmic lenses

Abstract

Multifocal lenses for improving vision are disclosed. The lenses of the present invention use at least one diffractive zone located in a defined portion of the surface of a refractive lens to achieve highly efficient multifocal vision by providing nearly 100% efficiency in the +1 diffractive order. The lenses disclosed may be used for both contact lenses and intraocular lens as well as other vision correcting applications.

Term

Term ended

Projected expiry passed 14 May 2011, 15.4 years ago.

Every citation, both ways

Citations
Document	Relation	Office	Category	Cited during
CN108646332A	Cited by	China	–	Search report
EP0316162A2	Cites	European Patent Office (EPO)	X	Search report
EP0317168A2	Cites	European Patent Office (EPO)	Y	Search report
EP0343067A1	Cites	European Patent Office (EPO)	A	Search report
GB2183246A	Cites	United Kingdom	X	Search report

17 members in 12 offices

This recordMember, by publication datePriority claim2 more offices are in the list below

Priority claims3

Priority claims
Document	Office	Kind	Date
523146	United States of America	–	1990-05-14
52314690	United States of America	A	1990-05-14
US19900523146	–	–	–

Members17

Family members, oldest first
Document	Office	Kind
IE911639A1	Ireland	A1	1991-11-20
EP0457553A2	European Patent Office (EPO)	A2	1991-11-21
KR910020460A	Republic of Korea	A	1991-12-20
US5096285A	United States of America	A	1992-03-17
EP0457553A3This record	European Patent Office (EPO)	A3	1992-06-10
ZA913611B	South Africa	B	1993-01-27
PT97656A	Portugal	A	1993-07-30
AU7649491A	Australia	A	1994-02-17
MX174633B	Mexico	B	1994-05-30
NZ238077A	New Zealand	A	1994-09-27
MY106155A	Malaysia	A	1995-03-31
AU662291B2	Australia	B2	1995-08-31
EP0457553B1	European Patent Office (EPO)	B1	1999-01-27
DE69130812D1	Germany	D1	1999-03-11
KR100207164B1	Republic of Korea	B1	1999-07-15
ES2131045T3	Spain	T3	1999-07-16
DE69130812T2	Germany	T2	1999-07-29

44 legal events, as 5 offices reported them to INPADOC

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Events

Legal events, newest first
	Event	Code	Office
2005-08-16	Announcement of lapse in spainLapsedFD2A	FD2A	ES
2005-05-14	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2005-03-04	Notification of lapseLapsedST	ST	FR
2005-02-01	Nl: lapsed or anulled due to non-payment of the annual feeLapsedNLV4	NLV4	EP
2005-01-31	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2005-01-14	Patent ceasedCeasedPL	PL	CH
2005-01-05	Gb: european patent ceased through non-payment of renewal feeCeasedGBPC	GBPC	EP
2004-12-01	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2004-12-01	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2004-05-31	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2004-05-31	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2004-05-17	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2004-05-14	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2003-06-05	Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP	PGFP	EP
2003-05-30	Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP	PGFP	EP
2003-05-22	Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP	PGFP	EP
2003-05-05	Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP	PGFP	EP
2003-04-03	Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP	PGFP	EP
2003-04-01	Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP	PGFP	EP
2002-01-01	European patent in force as of 2002-01-01IF02	IF02	GB
2000-01-19	No opposition filedOpposition26N	26N	EP
1999-12-03	No opposition filed within time limitOppositionORIGINAL CODE: 0009261PLBE	PLBE	EP
1999-12-03	Information on the status of an ep patent application or granted ep patentGrantedSTATUS: NO OPPOSITION FILED WITHIN TIME LIMITSTAA	STAA	EP
1999-07-16	Definitive protectionFG2A	FG2A	ES
1999-05-21	Fr: translation filedET	ET	EP
1999-05-14	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
1999-03-11	Corresponds to:REF	REF	EP
1999-02-15	New agentNV	NV	CH
1999-02-08	It: translation for a ep patent filedITF	ITF	EP
1999-02-08	It: translation for a ep patent filedITF	ITF	EP
1999-01-29	European patent takes effect as a national patent in ch/liEP	EP	CH
1999-01-27	Designated contracting statesAK	AK	EP
1999-01-27	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
1998-12-11	(expected) grantORIGINAL CODE: 0009210GRAA	GRAA	EP
1998-10-30	Despatch of communication of intention to grant a patentORIGINAL CODE: EPIDOS IGRAGRAH	GRAH	EP
1998-07-16	Despatch of communication of intention to grantORIGINAL CODE: EPIDOS AGRAGRAG	GRAG	EP
1998-07-16	Despatch of communication of intention to grant a patentORIGINAL CODE: EPIDOS IGRAGRAH	GRAH	EP
1998-03-12	Despatch of communication of intention to grantORIGINAL CODE: EPIDOS AGRAGRAG	GRAG	EP
1994-06-15	First examination report despatched17Q	17Q	EP
1993-01-13	Request for examination filed17P	17P	EP
1992-06-10	Designated contracting statesAK	AK	EP
1992-04-23	Search report despatchedORIGINAL CODE: 0009013PUAL	PUAL	EP
1991-11-21	Designated contracting statesAK	AK	EP
1991-10-04	Public reference made under article 153(3) epc to a published international application that has entered the european phaseORIGINAL CODE: 0009012PUAI	PUAI	EP

Multifocal multizone diffractive ophthalmic lenses

Abstract

Term

Priority claims3

Members17

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Events

Numbers

Titles3

Classification

Designated states10