EP0341002A3
Thin film structure having magnetic and colour shifting properties
Abstract
The disclosure relates to a thin film structure having magnetic and optical variable properties comprising a substrate (12) and a multilayer interference coating (16) carried by the substrate producing an inherent colour shift with angle. The interference coating has a metal-dielectric design which includes a metal (17) which has reflective as well as magnetic properties.
Term
Term ended
Projected expiry passed 28 April 2009, 17.4 years ago.
- Priority
- Filed
- Published
- Projected expiry
- Today
1 sheet
Sheet 1
Every citation, both ways
| Document | Relation | Office | Category | Cited during |
|---|---|---|---|---|
| EP0170439A1 | Cites | European Patent Office (EPO) | A | Search report |
| EP0170832A1 | Cites | European Patent Office (EPO) | Y | Search report |
| DE2710202A1 | Cites | Germany | A | Search report |
| US4705300A | Cites | United States of America | Y | Search report |
17 members in 9 offices
Priority claims5
| Document | Office | Kind | Date |
|---|---|---|---|
| 189779 | United States of America | – | |
| 18977988 | United States of America | A | |
| 18977988 | United States of America | A | |
| 189779 | – | – | – |
| US19880189779 | – | – | – |
Members17
| Document | Office | Kind | |
|---|---|---|---|
| US4838648A | United States of America | A | |
| EP0341002A2 | European Patent Office (EPO) | A2 | |
| JPH0216044A | Japan | A | |
| EP0341002A3This record | European Patent Office (EPO) | A3 | |
| CA1319052C | Canada | C | |
| EP0341002B1 | European Patent Office (EPO) | B1 | |
| AT123888T | Austria | T | |
| DE68923036D1 | Germany | D1 | |
| ES2072901T3 | Spain | T3 | |
| DE68923036T2 | Germany | T2 | |
| GR3017135T3 | Greece | T3 | |
| HK1005756A1 | Hong Kong, China | A1 | |
| EP0341002B2 | European Patent Office (EPO) | B2 | |
| ES2072901T5 | Spain | T5 | |
| DE68923036T3 | Germany | T3 | |
| GR3029733T3 | Greece | T3 | |
| JP2960434B2 | Japan | B2 |
62 legal events, as 5 offices reported them to INPADOC
Over the term
Point at a mark for the eventEvents
| Event | Code | Office | |
|---|---|---|---|
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Patent expired after termination of 20 yearsExpiredPE20 | PE20 | GB | |
| Patent ceasedCeasedPL | PL | CH | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
| Announcement of lapse in spainLapsedFD2A | FD2A | ES | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Opposition data, opponent's data or that of the opponent's representative modifiedOppositionORIGINAL CODE: 0009299OPPOPLAB | PLAB | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Nl: lapsed or anulled due to non-payment of the annual feeLapsedNLV4 | NLV4 | EP | |
| Be: lapsedLapsedBERE | BERE | EP | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
| Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)732E | 732E | GB | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| European patent in force as of 2002-01-01IF02 | IF02 | GB | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
| Nl: receipt of modified translations in the netherlands language after an opposition procedureOppositionNLR3 | NLR3 | EP | |
| Nl: decision of oppositionOppositionNLR2 | NLR2 | EP | |
| Patent modifiedDC2A | DC2A | ES | |
| It: translation for a ep patent filedITF | ITF | EP | |
| It: translation for a ep patent filedITF | ITF | EP | |
| Fr: translation filed ** decision concerning oppositionOppositionET3 | ET3 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Scope or validity of the patent modifiedMAINTIEN DU BREVET DONT L'ETENDUE A ETE MODIFIEEAEN | AEN | CH | |
| Patent maintained in amended form27A | 27A | EP | |
| Designated contracting statesAK | AK | EP | |
| Patent maintained in amended formORIGINAL CODE: 0009272PUAH | PUAH | EP | |
| Information on the status of an ep patent application or granted ep patentGrantedSTATUS: PATENT MAINTAINED AS AMENDEDSTAA | STAA | EP | |
| Interlocutory decision in oppositionOppositionORIGINAL CODE: EPIDOS IDOPPLAW | PLAW | EP | |
| Interlocutory decision in oppositionOppositionORIGINAL CODE: EPIDOS IDOPPLAW | PLAW | EP | |
| Reply of patent proprietor to notice(s) of oppositionOppositionORIGINAL CODE: EPIDOS OBSOPLBF | PLBF | EP | |
| Reply of patent proprietor to notice(s) of oppositionOppositionORIGINAL CODE: EPIDOS OBSOPLBF | PLBF | EP | |
| Nl: opposition has been filed with the epoOppositionNLR1 | NLR1 | EP | |
| Opposition filedOpposition26 | 26 | EP | |
| Opposition filedOppositionORIGINAL CODE: 0009260PLBI | PLBI | EP | |
| Validation in greece3017135FG4A | FG4A | GR | |
| Fr: translation filedET | ET | EP | |
| Definitive protectionFG2A | FG2A | ES | |
| Corresponds to:REF | REF | EP | |
| It: translation for a ep patent filedITF | ITF | EP | |
| It: translation for a ep patent filedITF | ITF | EP | |
| Designated contracting statesAK | AK | EP | |
| Corresponds to:REF | REF | EP | |
| (expected) grantORIGINAL CODE: 0009210GRAA | GRAA | EP | |
| First examination report despatched17Q | 17Q | EP | |
| Request for examination filed17P | 17P | EP | |
| Designated contracting statesAK | AK | EP | |
| Main classification (correction)RHK1 | RHK1 | EP | |
| Search report despatchedORIGINAL CODE: 0009013PUAL | PUAL | EP | |
| Designated contracting statesAK | AK | EP | |
| Public reference made under article 153(3) epc to a published international application that has entered the european phaseORIGINAL CODE: 0009012PUAI | PUAI | EP |
Numbers
- Publication
- 0341002
- Publication, DOCDB
- 0341002
- Publication, EPODOC
- EP0341002
- Application
- 89304351
- Application, DOCDB
- 89304351
- Application, EPODOC
- EP19890304351
Titles3
- German
- Struktur aus dünnen Schichten mit magnetischen und farbverändernden Eigenschaften
- English
- Thin film structure having magnetic and colour shifting properties
- French
- Structure de couches minces ayant de propriétés magnétiques et de modification de couleur
Classification
- CPC, 6
- G02B5/285
- C01P2006/42
- C09C1/0015
- G06K19/10
- G11B7/24
- Y10S283/902
- IPC, 8
- G09F19 12
- B32B7 02
- B32B15 04
- C09C1 00
- G02B5 28
- G06K19 10
- G11B5 62
- G11B7 24
Designated states1
- Contracting states, 1
- Sweden