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Extract from the Register of European Patents

EP About this file: EP0412362

EP0412362 - Optical recording medium [Right-click to bookmark this link]
StatusThe application has been withdrawn
Status updated on  28.04.1993
Database last updated on 13.09.2024
Most recent event   Tooltip28.04.1993Withdrawal of applicationpublished on 16.06.1993 [1993/24]
Applicant(s)For all designated states
BASF Aktiengesellschaft
Carl-Bosch-Strasse 38
67063 Ludwigshafen / DE
[N/P]
Former [1991/07]For all designated states
BASF Aktiengesellschaft
Carl-Bosch-Strasse 38
D-67063 Ludwigshafen / DE
Inventor(s)01 / Iselborn, Stefan, Dr.
Friedrichstrasse 164
D-6700 Ludwigshafen / DE
02 / Hibst, Hartmut, Dr.
Sternstrasse 215
D-6700 Ludwigshafen / DE
03 / Kuppelmaier, Harald, Dr.
In den Bannzaeunen 17
D-6701 Goennheim / DE
[1991/07]
Application number, filing date90114332.126.07.1990
[1991/07]
Priority number, dateDE1989392606007.08.1989         Original published format: DE 3926060
[1991/07]
Filing languageDE
Procedural languageDE
PublicationType: A2 Application without search report 
No.:EP0412362
Date:13.02.1991
Language:DE
[1991/07]
Type: A3 Search report 
No.:EP0412362
Date:22.04.1992
Language:DE
[1992/17]
Search report(s)(Supplementary) European search report - dispatched on:EP03.03.1992
ClassificationIPC:G11B7/24, G11B7/00
[1991/07]
CPC:
G11B7/24 (EP); G11B7/243 (EP); G11B2007/24312 (EP);
G11B2007/24316 (EP); G11B7/2534 (EP)
Designated contracting statesDE,   FR,   GB,   NL [1991/07]
TitleGerman:Optisches Aufzeichnungsmedium[1991/07]
English:Optical recording medium[1991/07]
French:Support d'enregistrement optique[1991/07]
File destroyed:12.06.1999
Examination procedure27.12.1990Examination requested  [1991/09]
22.04.1993Application withdrawn by applicant  [1993/24]
Fees paidRenewal fee
16.07.1992Renewal fee patent year 03
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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[AD]FR2420188
 [X]  - JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN Bd. 56, Nr. 1, Januar 1987, Seiten 158 - 162; FUKUMOTO ET AL: 'Structural Changes of Amorphous GeTe2 Films by Annealing'
 [XD]  - JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN Bd. 56, Nr. 9, September 1987, Seiten 3396 - 3397; TSUNETOMO ET AL: 'Effects of Film Thickness and Substrate-Film Interface on the Formation of Metastable Crystalline GeTe2 from Amorphous GeTe2 Film'
 [AD]  - APPLIED PHYSICS LETTERS Bd. 49, Nr. 9, 1. September 1986, Seiten 502 - 504; CHEN ET AL: 'Compound materials for reversible, phase-change optical data storage'
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.