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Extract from the Register of European Patents

EP About this file: EP0277095

EP0277095 - Method for preparing N,N-(dibenzohexatrienylene) ureas [Right-click to bookmark this link]
StatusPatent maintained as amended
Status updated on  20.07.2001
Database last updated on 05.04.2025
Most recent event   Tooltip13.11.2009Change - opposition data/opponents data or that of the opponents representativepublished on 16.12.2009  [2009/51]
Applicant(s)For all designated states
Novartis AG
Lichtstrasse 35
4056 Basel / CH
[N/P]
Inventor(s)01 / Acklin, Georg, Dr.
General Guisan-Str. 41
CH-4144 Arlesheim / CH
02 / Aufderhaar, Ernst, Dr.
Ziegelhofweg 26
CH-4303 Kaiseraugst / CH
03 / Kaupp, Günter, Dr.
Bättwilerstr. 52
CH-4108 Witterswil / CH
04 / Räz, Bernhard
Sommergasse 39
CH-4056 Basel / CH
05 / Vogel, Ulrich, Dr.
Bölzli 5
CH-4312 Magden / CH
[1992/14]
Representative(s)Zumstein jun., Fritz, et al
Patentanwälte
Dr. F. Zumstein
Dipl.-Ing. F. Klingseisen
Bräuhausstrasse 4
80331 München / DE
[N/P]
Application number, filing date88810026.021.01.1988
[1988/31]
Priority number, dateCH1987000027627.01.1987         Original published format: CH 27687
[1988/31]
Filing languageDE
Procedural languageDE
PublicationType: A1 Application with search report 
No.:EP0277095
Date:03.08.1988
Language:DE
[1988/31]
Type: B1 Patent specification 
No.:EP0277095
Date:01.04.1992
Language:DE
[1992/14]
Type: B2 New European patent specification 
No.:EP0277095
Date:05.09.2001
Language:DE
[2001/36]
Search report(s)(Supplementary) European search report - dispatched on:EP06.06.1988
ClassificationIPC:C07D223/22, // A61K31/55
[1988/31]
CPC:
C07D223/22 (EP,US); C07C275/00 (KR)
Designated contracting statesAT,   BE,   CH,   DE,   ES,   FR,   GB,   GR,   IT,   LI,   LU,   NL,   SE [1988/31]
TitleGerman:Verfahren zur Herstellung von N,N-(Dibenzohexatrienylen)Harnstoffen[1992/14]
English:Method for preparing N,N-(dibenzohexatrienylene) ureas[1988/31]
French:Procédé pour la préparation de N,N-(dibenzohexatriénylène) urées[1988/31]
Examination procedure23.01.1988Examination requested  [1988/31]
08.08.1990Despatch of a communication from the examining division (Time limit: M02)
04.10.1990Reply to a communication from the examining division
15.04.1991Despatch of communication of intention to grant (Approval: Yes)
17.09.1991Communication of intention to grant the patent
18.11.1991Fee for grant paid
18.11.1991Fee for publishing/printing paid
Opposition(s)Opponent(s)01  23.12.1992  15.02.2000  WITHDRAWN
Arzneimittelwerk Dresden GmbH
Postfach 01 01 31 / 01 01 32
D-01435 Radebeul / DE
Opponent's representative
Freiherr von Pechmann, Eckehart
Wuesthoff & Wuesthoff Patent- und Rechtsanwälte Schweigerstrasse 2
81541 München / DE
 02  30.12.1992  02.02.1993  ADMISSIBLE
Taro Pharmaceutical Ind. Ltd.
P.O.Box 2043
Herzlia Pituach 46120 / IL
Opponent's representative
Keen, Celia Mary
J A Kemp
14 South Square
Gray's Inn
London WC1R 5JJ / GB
 [N/P]
05.02.1993Invitation to proprietor to file observations on the notice of opposition
09.06.1993Reply of patent proprietor to notice(s) of opposition
23.03.1994Despatch of a communication from the opposition division (Time limit: M06)
04.10.1994Reply to a communication from the opposition division
27.12.1994Communication of observations of patent proprietor (Time limit: M06)
14.06.1995Reply of parties involved to observations of patent proprietor
19.11.1996Date of oral proceedings
21.01.1997Despatch of minutes of oral proceedings
21.01.1997Despatch of communication that the patent will be revoked
29.05.2000Despatch of a communication from the opposition division (Time limit: M04)
27.09.2000Reply to a communication from the opposition division
22.12.2000Despatch of interlocutory decision in opposition
02.03.2001Legal effect of interlocutory decision in opposition
09.04.2001Despatch of communication that the patent will be maintained as amended
19.06.2001Fee for printing new specification paid
Appeal following opposition17.03.1997Appeal received No.  T0313/97
28.05.1997Statement of grounds filed
11.04.2000Interlocutory revision of appeal
11.04.2000Result of appeal procedure: maintenance in amended form
17.02.2000Date of oral proceedings
Fees paidRenewal fee
27.11.1989Renewal fee patent year 03
26.11.1990Renewal fee patent year 04
21.11.1991Renewal fee patent year 05
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Cited inOppositionDE1219912
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