blank Quick help
blank Maintenance news

Scheduled maintenance

Regular maintenance outages:
between 05.00 and 05.15 hrs CET (Monday to Sunday).

Other outages
Availability

2022.02.11

More...
blank News flashes

News Flashes

New version of the European Patent Register – SPC proceedings information in the Unitary Patent Register.

2024-07-24

More...
blank Related links

Extract from the Register of European Patents

EP About this file: EP0225464

EP0225464 - Composite resist structures [Right-click to bookmark this link]
StatusThe application has been refused
Status updated on  05.02.1993
Database last updated on 13.09.2024
Most recent event   Tooltip07.07.2007Change - inventorpublished on 08.08.2007  [2007/32]
Applicant(s)For all designated states
International Business Machines Corporation
New Orchard Road
Armonk, NY 10504 / US
[N/P]
Former [1987/25]For all designated states
International Business Machines Corporation
Old Orchard Road
Armonk, N.Y. 10504 / US
Inventor(s)01 / Collini, George John
Box 287, RD 7 Hortontown Road
Hopewell Junction New York 12533 / US
02 / Lopata, Alexander Daniel
51 Virginia Avenue
Fishkill New York 12524 / US
[1987/25]
Representative(s)Klein, Daniel Jacques Henri
Compagnie IBM France Département de Propriété Intellectuelle
06610 La Gaude / FR
[N/P]
Former [1987/25]Klein, Daniel Jacques Henri
Compagnie IBM France Département de Propriété Intellectuelle
F-06610 La Gaude / FR
Application number, filing date86114968.028.10.1986
[1987/25]
Priority number, dateUS1985080736210.12.1985         Original published format: US 807362
[1987/25]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0225464
Date:16.06.1987
Language:EN
[1987/25]
Type: A3 Search report 
No.:EP0225464
Date:07.06.1989
Language:EN
[1989/23]
Search report(s)(Supplementary) European search report - dispatched on:EP19.04.1989
ClassificationIPC:G03F7/02
[1987/25]
CPC:
G03F7/095 (EP)
Designated contracting statesDE,   FR,   GB,   IT [1987/25]
TitleGerman:Verbundphotoresiststruktur[1987/25]
English:Composite resist structures[1987/25]
French:Structure de photoréserve multicouche[1987/25]
File destroyed:12.06.1999
Examination procedure23.10.1987Examination requested  [1987/52]
15.07.1991Despatch of a communication from the examining division (Time limit: M04)
12.11.1991Reply to a communication from the examining division
18.05.1992Despatch of communication of intention to grant (Approval: )
30.10.1992Despatch of communication that the application is refused, reason: formalities examination [1993/13]
09.11.1992Application refused, date of legal effect [1993/13]
Fees paidRenewal fee
22.10.1988Renewal fee patent year 03
27.10.1989Renewal fee patent year 04
25.10.1990Renewal fee patent year 05
18.10.1991Renewal fee patent year 06
Penalty fee
Additional fee for renewal fee
02.11.199207   M06   Not yet paid
Opt-out from the exclusive  Tooltip
competence of the Unified
Patent Court
See the Register of the Unified Patent Court for opt-out data
Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Documents cited:Search[Y]CH300348  ;
 [Y]US4247623  ;
 [A]EP0085761
 [Y]  - IBM TECHNICAL DISCLOSURE BULLETIN, vol. 26, no. 3B, August 1983, page 1731, New York, US; C.T. HORNG et al.: "New resist combination for forming a two-layer photoresist lift-off mask"
 [Y]  - IBM TECHNICAL DISCLOSURE BULLETIN, vol. 25, no. 8, January 1983, pages 4401-4403, New York, US; L.P. BUSHNELL et al.: "Mixed-resin photoresist system for mid and deep ultraviolet"
 [A]  - IBM TECHNICAL DISCLOSURE BULLETIN, vol. 23, no. 3, August 1983, page 1060, New York, US; B.A. JETER et al: "Lift-off structure process"
The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.