Extract from the Register of European Patents

EP About this file: EP0536500

EP0536500 - Method for preparation of fullerene [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  04.01.1996
Database last updated on 14.03.2026
Most recent event   Tooltip04.01.1996No opposition filed within time limitpublished on 31.01.1996 [1996/05]
Applicant(s)For all designated states
HOECHST AKTIENGESELLSCHAFT
Brüningstrasse 50
65929 Frankfurt am Main / DE
[N/P]
Former [1995/01]For all designated states
HOECHST AKTIENGESELLSCHAFT
Brüningstrasse 50
D-65929 Frankfurt am Main / DE
Former [1993/15]For all designated states
HOECHST AKTIENGESELLSCHAFT
Brüningstrasse 64
D-65929 Frankfurt / DE
Inventor(s)01 / Dorn, Friedrich-Wilhelm
Giselherweg 3
W-5030 Hürth-Hermülheim / DE
02 / Sachse, Dieter
Junkersdorfer Weg 6
W-5040 Brühl / DE
[1993/15]
Application number, filing date92113510.907.08.1992
[1993/15]
Priority number, dateDE1991412971806.09.1991         Original published format: DE 4129718
DE1992422093826.06.1992         Original published format: DE 4220938
[1993/15]
Filing languageDE
Procedural languageDE
PublicationType: A1 Application with search report 
No.:EP0536500
Date:14.04.1993
Language:DE
[1993/15]
Type: B1 Patent specification 
No.:EP0536500
Date:08.02.1995
Language:DE
[1995/06]
Search report(s)(Supplementary) European search report - dispatched on:EP14.01.1993
ClassificationIPC:C01B31/02
[1993/15]
CPC:
B82Y30/00 (EP,US); C01B32/156 (EP,US); B82Y40/00 (EP);
C01B32/15 (EP); C01B32/154 (EP,US)
Designated contracting statesAT,   BE,   CH,   DE,   FR,   GB,   IT,   LI,   NL,   SE [1993/15]
TitleGerman:Verfahren zur Herstellung von Fulleren[1993/15]
English:Method for preparation of fullerene[1993/15]
French:Procédé de préparation de fullerène[1993/15]
Examination procedure28.04.1993Examination requested  [1993/25]
07.07.1994Despatch of communication of intention to grant (Approval: Yes)
11.08.1994Communication of intention to grant the patent
21.11.1994Fee for grant paid
21.11.1994Fee for publishing/printing paid
Opposition(s)09.11.1995No opposition filed within time limit [1996/05]
Fees paidRenewal fee
07.07.1994Renewal fee patent year 03
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Lapses during opposition  TooltipSE08.05.1995
[1996/04]
Documents cited:Search[A]   JOURNAL OF PHYSICAL CHEMISTRY Bd. 90, Nr. 4, 13. Februar 1986, EASTON US Seiten 525 - 528 Q. L. ZHANG ET AL. [A]
 [AD]   JOURNAL OF PHYSICAL CHEMISTRY Bd. 94, Nr. 24, 29. November 1990, EASTON US Seiten 8634 - 8636 R. E. HAUFLER ET AL. [AD]
 [AD]   NATURE Bd. 347, Nr. 6291, 27. September 1990, LONDON GB Seiten 354 - 358 W. KRAETSCHMER ET AL. [AD]
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