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: EP0722935

EP0722935 - Process for the purification of 5H-dibenzo-(b.f)-azepine [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  07.01.2000
Database last updated on 14.09.2024
Most recent event   Tooltip07.01.2000No opposition filed within time limitpublished on 23.02.2000 [2000/08]
Applicant(s)For all designated states
DSM Fine Chemicals Austria GmbH
St. Peter-Strasse 25
4021 Linz / AT
[1999/13]
Former [1996/30]For all designated states
DSM Chemie Linz GmbH
St.-Peter-Strasse 25
4021 Linz / AT
Inventor(s)01 / Eichberger, Günter, Dr.
Bergernstrasse 41
A-4512 Weisskirchen / AT
02 / Raml, Walter, Dr.
Burggatter 28
A-4202 Hellmonsödt / AT
[1996/30]
Representative(s)Lindinger, Ingrid
DSM Fine Chemicals Austria GmbH
CEL/Patente
St. Peter-Strasse 25
4021 Linz / AT
[N/P]
Former [1999/13]Klostermann, Ingrid
DSM Fine Chemicals Austria GmbH CEL/Patente St. Peter-Strasse 25
4021 Linz / AT
Former [1996/30]Kunz, Ekkehard, Dr.
Agrolinz Melamin GmbH Patentabteilung, St. Peter-Strasse 25
A-4021 Linz / AT
Application number, filing date95120134.220.12.1995
[1996/30]
Priority number, dateAT1994000240827.12.1994         Original published format: AT 240894
[1996/30]
Filing languageDE
Procedural languageDE
PublicationType: A1 Application with search report 
No.:EP0722935
Date:24.07.1996
Language:DE
[1996/30]
Type: B1 Patent specification 
No.:EP0722935
Date:03.03.1999
Language:DE
[1999/09]
Search report(s)(Supplementary) European search report - dispatched on:EP29.05.1996
ClassificationIPC:C07D223/22
[1996/30]
CPC:
C07D223/22 (EP,KR,US); C07D223/26 (EP,US)
Designated contracting statesAT,   CH,   DE,   GB,   IT,   LI [1998/51]
Former [1996/30]AT,  BE,  CH,  DE,  DK,  ES,  FR,  GB,  GR,  IE,  IT,  LI,  NL,  PT,  SE 
TitleGerman:Verfahren zur Reinigung von 5H-Dibenzo-(b,f)azepin[1996/30]
English:Process for the purification of 5H-dibenzo-(b.f)-azepine[1996/30]
French:Procédé de purification de 5H-dibenzo-(b,f)-azépine[1996/30]
Examination procedure29.11.1996Examination requested  [1997/04]
04.03.1997Despatch of a communication from the examining division (Time limit: M04)
16.06.1997Reply to a communication from the examining division
04.05.1998Despatch of communication of intention to grant (Approval: No)
06.08.1998Despatch of communication of intention to grant (Approval: later approval)
24.08.1998Communication of intention to grant the patent
26.10.1998Fee for grant paid
26.10.1998Fee for publishing/printing paid
Opposition(s)04.12.1999No opposition filed within time limit [2000/08]
Fees paidRenewal fee
21.11.1997Renewal fee patent year 03
19.11.1998Renewal fee patent year 04
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.
Documents cited:Search[A]FR1522192  (DEUTSCHE GOLD- UND SILBER-SCHEIDEANSTALT VORMALS ROESSLER) [A] 1-4* page 2, column 1, lines 14-28 *;
 [A]CH442319  (GEIGY AG J R [CH]) [A] 1-4 * example 1 *;
 [DA]EP0237952  (ORION YHTYMAE OY [FI]) [DA] 1-4 * page 3, lines 11-23; example 1 *;
 [DA]EP0396134  (ALKALOIDA VEGYESZETI GYAR [HU]) [DA] 1-4 * page 5, lines 36-58 - page 6, lines 1-12 *
by applicantEP0237952
 EP0396134
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.