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: EP0394638

EP0394638 - Method of etching polyimides and resulting passivation structures [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  05.06.1998
Database last updated on 18.09.2024
Most recent event   Tooltip21.06.2002Lapse of the patent in a contracting state
New state(s): FR
published on 07.08.2002  [2002/32]
Applicant(s)For all designated states
International Business Machines Corporation
New Orchard Road
Armonk, NY 10504 / US
[N/P]
Former [1990/44]For all designated states
International Business Machines Corporation
Old Orchard Road
Armonk, N.Y. 10504 / US
Inventor(s)01 / Kindl, Thomas E.
2009 Kim Drive
Endwell N.Y. 13760 / US
02 / Rickerl, Paul G.
R.D. No. 6 Box 184D, Tilbury Hill Road
Endicott, N.Y. 13760 / US
03 / Russel, David J.
97B Little Hill Road
Apalachin, N.Y. 13732 / US
[1990/44]
Representative(s)Rach, Werner, et al
IBM Deutschland Management & Business Support GmbH Patentwesen u. Urheberrecht
71137 Ehningen / DE
[N/P]
Former [1997/24]Rach, Werner, Dr., et al
IBM Deutschland Informationssysteme GmbH, Patentwesen und Urheberrecht
70548 Stuttgart / DE
Former [1994/37]Schäfer, Wolfgang, Dipl.-Ing.
IBM Deutschland Informationssysteme GmbH Patentwesen und Urheberrecht
D-70548 Stuttgart / DE
Former [1993/22]Mönig, Anton, Dipl.-Ing.
IBM Deutschland Informationssysteme GmbH, Patentwesen und Urheberrecht
D-70548 Stuttgart / DE
Former [1990/44]Kreidler, Eva-Maria, Dr. rer. nat.
IBM Deutschland GmbH Patentwesen und Urheberrecht Schönaicher Strasse 220
D-71032 Böblingen / DE
Application number, filing date90103546.923.02.1990
[1990/44]
Priority number, dateUS1989034321726.04.1989         Original published format: US 343217
[1990/44]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0394638
Date:31.10.1990
Language:EN
[1990/44]
Type: A3 Search report 
No.:EP0394638
Date:15.07.1992
Language:EN
[1992/29]
Type: B1 Patent specification 
No.:EP0394638
Date:30.07.1997
Language:EN
[1997/31]
Search report(s)(Supplementary) European search report - dispatched on:EP25.05.1992
ClassificationIPC:G03F7/40
[1992/29]
CPC:
H01L21/31133 (EP,US); H05K3/002 (EP,US); H05K2201/0154 (EP,US);
H05K2201/0166 (EP,US); H05K2203/0793 (EP,US); H05K3/108 (EP,US);
H05K3/388 (EP,US); H05K3/4092 (EP,US) (-)
Former IPC [1990/44]H01L21/311, H01L21/312, G03F7/038
Designated contracting statesDE,   FR,   GB [1990/44]
TitleGerman:Methode zum Ätzen von Polyimiden und resultierenden passivierten Strukturen[1990/44]
English:Method of etching polyimides and resulting passivation structures[1990/44]
French:Méthode pour attaquer des polyimides et structures passivées en résultant[1990/44]
Examination procedure13.12.1990Examination requested  [1991/06]
12.12.1995Despatch of a communication from the examining division (Time limit: M04)
09.04.1996Reply to a communication from the examining division
16.10.1996Despatch of communication of intention to grant (Approval: Yes)
04.02.1997Communication of intention to grant the patent
10.04.1997Fee for grant paid
10.04.1997Fee for publishing/printing paid
Opposition(s)05.05.1998No opposition filed within time limit [1998/30]
Fees paidRenewal fee
24.02.1992Renewal fee patent year 03
18.02.1993Renewal fee patent year 04
26.02.1994Renewal fee patent year 05
27.02.1995Renewal fee patent year 06
09.04.1996Renewal fee patent year 07
13.02.1997Renewal fee patent year 08
Penalty fee
Additional fee for renewal fee
29.02.199607   M06   Fee paid on   09.04.1996
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.
Lapses during opposition  TooltipFR30.07.1997
DE18.02.1998
GB23.02.1998
[2002/32]
Former [1999/02]DE18.02.1998
GB23.02.1998
Former [1998/30]DE18.02.1998
Documents cited:Search[A]JP63122224  ;
 [A]US4436583  (SAIKI ATSUSHI [JP], et al)
 [A]  - IBM TECHNICAL DISCLOSURE BULLETIN. vol. 15, no. 9, February 1973, NEW YORK US page 2820; M.A. LOUKIANOFF: 'Etchant and Solvent for Cured Polyimides'
 [A]  - PATENT ABSTRACTS OF JAPAN vol. 12, no. 369 (E-665)4 October 1988 & JP-A-63 122 224 ( NEC CORP. ) 26 May 1988, & JP63122224 A 19880526
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.