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Extract from the Register of European Patents

EP About this file: EP0140221

EP0140221 - Magnesia clinker and method of producing the same [Right-click to bookmark this link]
StatusPatent revoked
Status updated on  20.03.1998
Database last updated on 03.04.2025
Most recent event   Tooltip05.10.2005Change: Appeal number 
Applicant(s)For all designated states
Shin Nihon Chemical Industry Co., Ltd.
2-6 Dojimahama 1-chome Kita-Ku
Osaka / JP
[N/P]
Former [1985/19]For all designated states
Shin Nihon Chemical Industry Co., Ltd.
2-6 Dojimahama 1-chome
Kita-Ku Osaka / JP
Inventor(s)01 / Kawano, Fusao
3-215, Sakuragaoka
Minamata-shi Kumamoto-ken / JP
[1985/19]
Representative(s)Strehl & Partner mbB
Maximilianstrasse 54
80538 München / DE
[N/P]
Former [1985/19]Strehl Schübel-Hopf Groening & Partner
Maximilianstrasse 54
D-80538 München / DE
Application number, filing date84112037.108.10.1984
[1985/19]
Priority number, dateJP1983020284231.10.1983         Original published format: JP 20284283
JP1983020284331.10.1983         Original published format: JP 20284383
[1985/19]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0140221
Date:08.05.1985
Language:EN
[1985/19]
Type: A3 Search report 
No.:EP0140221
Date:07.01.1987
Language:EN
[1987/02]
Type: B1 Patent specification 
No.:EP0140221
Date:23.01.1991
Language:EN
[1991/04]
Search report(s)(Supplementary) European search report - dispatched on:EP21.11.1986
ClassificationIPC:C04B35/04
[1985/19]
CPC:
C04B35/043 (EP,US); C04B35/04 (KR); C01F5/08 (EP,US);
C04B35/013 (EP,US); C01P2002/60 (EP,US); C01P2004/61 (EP,US);
C01P2006/10 (EP,US); C01P2006/14 (EP,US); C01P2006/80 (EP,US) (-)
Designated contracting statesDE,   GB,   IT,   NL [1985/19]
TitleGerman:Magnesiaklinker und Verfahren zu seiner Herstellung[1985/19]
English:Magnesia clinker and method of producing the same[1985/19]
French:Clinker de magnésie et procédé de sa fabrication[1985/19]
Examination procedure07.11.1984Examination requested  [1985/19]
26.01.1989Despatch of a communication from the examining division (Time limit: M04)
29.05.1989Reply to a communication from the examining division
18.08.1989Despatch of communication of intention to grant (Approval: No)
08.12.1989Despatch of communication of intention to grant (Approval: later approval)
19.06.1990Communication of intention to grant the patent
01.10.1990Fee for grant paid
01.10.1990Fee for publishing/printing paid
Opposition(s)Opponent(s)01  23.10.1991  21.11.1991  ADMISSIBLE
Shell Internationale Research Maatschappij B.V.
Carel van Bylandtlaan 30
Nl-2596 HR 's-Gravenhage / NL
Opponent's representative
Zeestraten, Albertus W. J.
Shell International B.V. Intellectual Property Services P.O. Box 384
2501 CJ The Hague / NL
 02  11.10.1991  20.11.1991  ADMISSIBLE
RADEX- HERAKLITH Industriebeteiligungs AG
Opernring 1
A-1010 Wien 1 / AT
Opponent's representative
Becker, Thomas
Patentanwälte
Becker & Müller
Turmstrasse 22
40878 Ratingen / DE
 03  22.10.1991  20.11.1991  ADMISSIBLE
Premier Periclase Ltd.
Boyne Rd.
Drogheda, County Lough / IR
Opponent's representative
Casey, Lindsay Joseph
FRKelly
27 Clyde Road
Dublin D04 F838 / IE
 04  23.10.1991  20.11.1991  ADMISSIBLE
Didier-Werke AG
Lessingstrasse 16 Postfach 20 25
D-65010 Wiesbaden / DE
Opponent's representative
Brückner, Raimund
Didier-Werke AG Abraham-Lincoln-Strasse 1
65189 Wiesbaden / DE
 [N/P]
Former [1985/19]
Opponent(s)01  23.10.1991  21.11.1991  ADMISSIBLE
Shell Internationale Research Maatschappij B.V.
Carel van Bylandtlaan 30
Nl-2596 HR 's-Gravenhage / NL
Opponent's representative
Zeestraten, Albertus Wilhelmus Joannes
Shell International B.V. P.O. Box 384
NL-2501 CJ The Hague / NL
 02  11.10.1991  20.11.1991  ADMISSIBLE
RADEX- HERAKLITH Industriebeteiligungs AG
Opernring 1
A-1010 Wien 1 / AT
Opponent's representative
Becker, Thomas
Patentanwälte Becker & Müller Eisenhüttenstrasse 2
40882 Ratingen / DE
 03  22.10.1991  20.11.1991  ADMISSIBLE
Premier Periclase Ltd.
Boyne Rd.
Drogheda, County Lough / IR
Opponent's representative
Casey, Lindsay Joseph
F. R. Kelly & Co. 27 Clyde Road Ballsbridge
Dublin 4 / IE
 04  23.10.1991  20.11.1991  ADMISSIBLE
Didier-Werke AG
Lessingstrasse 16 Postfach 20 25
D-65010 Wiesbaden / DE
Opponent's representative
Brückner, Raimund
c/o Didier-Werke AG Hauptverw./Patentabt. Postfach 2025 Lessingstrasse 16-18
D-65189 Wiesbaden / DE
Former [1994/11]
Opponent(s)01  23.10.1991  21.11.1991  ADMISSIBLE
Shell Internationale Research Maatschappij B.V.
Carel van Bylandtlaan 30
Nl-2596 HR 's-Gravenhage / NL
Opponent's representative
Zeestraten, Albertus Wilhelmus Joannes
Shell International B.V. P.O. Box 384
NL-2501 CJ The Hague / NL
 02  11.10.1991  20.11.1991  ADMISSIBLE
RADEX- HERAKLITH Industriebeteiligungs AG
Opernring 1
AT-1010 Wien 1 / AT
Opponent's representative
Becker, Thomas, Dr., Dipl.-Ing.
Patentanwälte Becker & Müller Eisenhüttenstrasse 2
D-40882 Ratingen / DE
 03  22.10.1991  20.11.1991  ADMISSIBLE
Premier Periclase Ltd.
Boyne Rd.
Drogheda, County Lough / IR
Opponent's representative
Casey, Lindsay Joseph
F. R. Kelly & Co. 27 Clyde Road Ballsbridge
Dublin 4 / IE
 04  23.10.1991  20.11.1991  ADMISSIBLE
Didier-Werke AG
Lessingstrasse 16 Postfach 20 25
D-65010 Wiesbaden / DE
Opponent's representative
Brückner, Raimund
c/o Didier-Werke AG Hauptverw./Patentabt. Postfach 2025 Lessingstrasse 16-18
D-65189 Wiesbaden / DE
Former [1992/03]
Opponent(s)01  23.10.1991  21.11.1991  ADMISSIBLE
Shell Internationale Research Maatschappij B.V.
Carel van Bylandtlaan 30
Nl-2596 HR 's-Gravenhage / NL
Opponent's representative
Zeestraten, Albertus Wilhelmus Joannes
Shell International B.V. P.O. Box 384
NL-2501 CJ The Hague / NL
 02  11.10.1991  20.11.1991  ADMISSIBLE
RADEX- HERAKLITH Industriebeteiligungs AG
Opernring 1
AT-1010 Wien 1 / AT
Opponent's representative
Becker, Thomas, Dr., Dipl.-Ing.
Patentanwälte Becker & Müller Eisenhüttenstrasse 2
D-40882 Ratingen / DE
 03  22.10.1991  20.11.1991  ADMISSIBLE
Premier Periclase Ltd.
Boyne Rd.
Drogheda, County Lough / IR
Opponent's representative
Marshall, Monica Anne
J.A. KEMP & CO. 14 South Square Gray's Inn
London WC1R 5LX / GB
 04  23.10.1991  20.11.1991  ADMISSIBLE
Didier-Werke AG
Lessingstrasse 16 Postfach 20 25
D-65010 Wiesbaden / DE
Opponent's representative
Brückner, Raimund
c/o Didier-Werke AG Hauptverw./Patentabt. Postfach 2025 Lessingstrasse 16-18
D-65189 Wiesbaden / DE
Former [1992/01]
Opponent(s)02  11.10.1991   
RADEX- HERAKLITH Industriebeteiligungs AG
Opernring 1
AT-1010 Wien 1 / AT
Opponent's representative
Becker, Thomas, Dr., Dipl.-Ing.
Patentanwälte Becker & Müller Eisenhüttenstrasse 2
D-40882 Ratingen / DE
 03  22.10.1991   
Premier Periclase Ltd.
Boyne Rd.
Drogheda, County Lough / IR
Opponent's representative
Marshall, Monica Anne
GALLAFENT & CO. 8 Staple Inn
London WC1V 7QH / GB
 04  23.10.1991    ADMISSIBLE
Didier-Werke AG
Lessingstrasse 16 Postfach 20 25
D-65010 Wiesbaden / DE
Opponent's representative
Brückner, Raimund
c/o Didier-Werke AG Hauptverw./Patentabt. Postfach 2025 Lessingstrasse 16-18
D-65189 Wiesbaden / DE
26.11.1991Invitation to proprietor to file observations on the notice of opposition
09.06.1992Reply of patent proprietor to notice(s) of opposition
19.06.1992Communication of observations of patent proprietor (Time limit: M06)
18.12.1992Reply of parties involved to observations of patent proprietor
08.02.1993Despatch of a communication from the opposition division (Time limit: M06)
18.08.1993Reply to a communication from the opposition division
02.02.1994Date of oral proceedings
07.03.1994Despatch of interlocutory decision in opposition
07.03.1994Despatch of minutes of oral proceedings
21.01.1998Despatch of communication that the patent will be revoked
31.01.1998Legal effect of revocation of patent [1998/19]
Appeal following opposition03.05.1994Appeal received No.  T0391/94
15.07.1994Statement of grounds filed
21.01.1998Result of appeal procedure: REVOCATION OF PATENT AT PROPRIETOR'S REQUEST
Fees paidRenewal fee
31.10.1986Renewal fee patent year 03
29.10.1987Renewal fee patent year 04
28.10.1988Renewal fee patent year 05
30.10.1989Renewal fee patent year 06
19.10.1990Renewal fee patent year 07
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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  TooltipGB08.10.1996
NL01.05.1997
DE01.07.1997
[1998/03]
Former [1997/52]GB08.10.1996
NL01.05.1997
Former [1997/42]GB08.10.1996
Documents cited:Search[A]FR2256120  (NIPPON STEEL CORP [JP]);
 [A]DE2306245  (STEETLEY MFG LTD);
 [A]DE2644038  (CONTINENTALE ERZGESELLSCHAFT M);
 [A]GB1407240  (STEETLEY MFG LTD);
 [A]GB1361187  (STEETLEY MFG LTD);
 [A]GB1095871  (MIFALEI YAM HAMELAH B M);
 [A]GB1205436  (PRODUITS REFRACTAIRES [FR]);
 [A]US3378615  (TUVIA ZISNER)
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.