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Extract from the Register of European Patents

EP About this file: EP0736511

EP0736511 - Process for the preparation of diaryl carbonates [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  25.08.2000
Database last updated on 28.09.2024
Most recent event   Tooltip25.08.2000No opposition filed within time limitpublished on 11.10.2000 [2000/41]
Applicant(s)For all designated states
BAYER AG
51368 Leverkusen / DE
[1996/41]
Inventor(s)01 / Buysch, Hans-Josef, Dr.
Brandenburger Str. 28
47809 Krefeld / DE
02 / Hesse, Carsten, Dr.
Buschstrasse 151
47800 Krefeld / DE
03 / Rechner, Johann, Dr.
Friedrich-Kramer-Strasse 2
47906 Kempen / DE
[1996/41]
Application number, filing date96104710.725.03.1996
[1996/41]
Priority number, dateDE199511261605.04.1995         Original published format: DE 19512616
[1996/41]
Filing languageDE
Procedural languageDE
PublicationType: A1 Application with search report 
No.:EP0736511
Date:09.10.1996
Language:DE
[1996/41]
Type: B1 Patent specification 
No.:EP0736511
Date:27.10.1999
Language:DE
[1999/43]
Search report(s)(Supplementary) European search report - dispatched on:EP09.08.1996
ClassificationIPC:C07C68/00, C07C69/96
[1996/41]
CPC:
C07C68/01 (EP,US)
C-Set:
C07C68/01, C07C69/96 (EP,US)
Designated contracting statesDE,   ES,   FR,   GB,   IT,   NL [1996/41]
TitleGerman:Verfahren zur Herstellung von Diarylcarbonaten[1996/41]
English:Process for the preparation of diaryl carbonates[1996/41]
French:Procédé de préparation de carbonates de diaryl[1996/41]
Examination procedure28.02.1997Examination requested  [1997/18]
29.12.1998Despatch of communication of intention to grant (Approval: Yes)
30.04.1999Communication of intention to grant the patent
10.08.1999Fee for grant paid
10.08.1999Fee for publishing/printing paid
Opposition(s)28.07.2000No opposition filed within time limit [2000/41]
Fees paidRenewal fee
31.03.1998Renewal fee patent year 03
31.03.1999Renewal fee patent year 04
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Documents cited:Search[DA]DE2815501  (GEN ELECTRIC) [DA] 1 * page 1 - page 4; claim - * * page 18 - page 25; examples 1-15 *;
 [A]EP0507546  (GEN ELECTRIC [US]) [A] 1 * column 9 - column 10; claim - *
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.