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Extract from the Register of European Patents

EP About this file: EP0444788

EP0444788 - Treatment of coated broke [Right-click to bookmark this link]
StatusOpposition rejected
Status updated on  22.10.1999
Database last updated on 14.05.2024
Most recent event   Tooltip05.10.2005Change: Appeal number 
Applicant(s)For all designated states
NALCO CHEMICAL COMPANY
One Nalco Center
Naperville, IL 60563-1198 / US
[N/P]
Former [1991/36]For all designated states
NALCO CHEMICAL COMPANY
One Nalco Center
Naperville Illinois 60563-1198 / US
Inventor(s)01 / St. John, Michael R.
5414 East View Park
Chicago, Illinois 60615 / US
[1991/36]
Representative(s)Harrison, David Christopher, et al
Mewburn Ellis LLP
City Tower
40 Basinghall Street
London EC2V 5DE / GB
[N/P]
Former [1991/36]Harrison, David Christopher, et al
MEWBURN ELLIS York House 23 Kingsway
London WC2B 6HP / GB
Application number, filing date91300886.804.02.1991
[1991/36]
Priority number, dateUS1990048502626.02.1990         Original published format: US 485026
[1991/36]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP0444788
Date:04.09.1991
Language:EN
[1991/36]
Type: B1 Patent specification 
No.:EP0444788
Date:21.12.1994
Language:EN
[1994/51]
Search report(s)(Supplementary) European search report - dispatched on:EP31.05.1991
ClassificationIPC:D21H17/45
[1991/36]
CPC:
D21H17/455 (EP,US); D21C5/022 (EP,US); Y02W30/64 (EP,US);
Y10S162/04 (EP,US)
Designated contracting statesAT,   BE,   CH,   DE,   DK,   ES,   FR,   GB,   GR,   IT,   LI,   LU,   NL,   SE [1991/36]
TitleGerman:Behandlung von wiedergewonnenem Papier mit Überzug[1991/36]
English:Treatment of coated broke[1991/36]
French:Traitement de cassé revêtu[1991/36]
Examination procedure23.09.1991Examination requested  [1991/48]
30.04.1993Despatch of a communication from the examining division (Time limit: M04)
22.06.1993Reply to a communication from the examining division
11.02.1994Despatch of communication of intention to grant (Approval: Yes)
24.06.1994Communication of intention to grant the patent
09.09.1994Fee for grant paid
09.09.1994Fee for publishing/printing paid
Opposition(s)Opponent(s)01  16.08.1995  06.09.1995  ADMISSIBLE
Vianova Resins GmbH & Co.KG Patent- und Lizenz-Abteilung
65174 Wiesbaden / DE
 [1999/37]
Former [1999/33]
Opponent(s)01  16.08.1995  06.09.1995  ADMISSIBLE
Hoechst AG Werk Kalle-Albert
Patent- u. Lizenzabteilung KA
D-65174 Wiesbaden / DE
Opponent's representative
Zounek, Nikolai, Dipl.-Ing.
Patentanwaltskanzlei Zounek, Industriepark Kalle Albert, Gebäude H287
65203 Wiesbaden / DE
Former [1996/16]
Opponent(s)01  16.08.1995  06.09.1995  ADMISSIBLE
Hoechst AG Werk Kalle-Albert
Patent- u. Lizenzabteilung KA
D-65174 Wiesbaden / DE
Former [1995/41]
Opponent(s)01  16.08.1995   
Hoechst Aktiengesellschaft Werk CASSELLA Patentreferat
Postfach 610144
D-60343 Frankfurt / DE
24.10.1995Invitation to proprietor to file observations on the notice of opposition
09.02.1996Reply of patent proprietor to notice(s) of opposition
25.07.1996Date of oral proceedings
07.08.1996Despatch of minutes of oral proceedings
09.09.1999Legal effect of rejection of opposition [1999/49]
09.09.1999Date of oral proceedings
15.09.1999Despatch of minutes of oral proceedings
22.10.1999Date of despatch of rejection of opposition
Appeal following opposition30.09.1996Appeal received No.  T0890/96
03.12.1996Statement of grounds filed
09.09.1999Result of appeal procedure: maintenance in unamended form
Fees paidRenewal fee
19.02.1993Renewal fee patent year 03
22.02.1994Renewal fee patent year 04
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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  TooltipAT21.12.1994
BE21.12.1994
CH21.12.1994
DK21.12.1994
ES21.12.1994
GR21.12.1994
LI21.12.1994
NL21.12.1994
LU28.02.1995
[2002/25]
Former [2000/05]AT21.12.1994
BE21.12.1994
CH21.12.1994
DK21.12.1994
GR21.12.1994
LI21.12.1994
NL21.12.1994
LU28.02.1995
Former [1998/15]AT21.12.1994
BE21.12.1994
CH21.12.1994
DK21.12.1994
LI21.12.1994
NL21.12.1994
Former [1995/49]AT21.12.1994
BE21.12.1994
CH21.12.1994
LI21.12.1994
NL21.12.1994
Former [1995/42]AT21.12.1994
BE21.12.1994
CH21.12.1994
LI21.12.1994
Former [1995/40]AT21.12.1994
CH21.12.1994
LI21.12.1994
Former [1995/31]CH21.12.1994
LI21.12.1994
Documents cited:Search[X]DE3733587  (HEIDENAU ZELLSTOFF & PAPIER [DD]);
 [X]EP0308752  (NALCO CHEMICAL CO [US])
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.