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
Register Forum

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: EP1581336

EP1581336 - ACID ACTIVATED CLAY BASED FILTRATION AID [Right-click to bookmark this link]
Former [2005/40]ACID ACTIVATED MONTMORILLONITE BASED FILTRATION AID
[2006/30]
StatusNo opposition filed within time limit
Status updated on  04.01.2008
Database last updated on 31.08.2024
Most recent event   Tooltip18.09.2009Lapse of the patent in a contracting state
New state(s): HU, TR
published on 21.10.2009  [2009/43]
Applicant(s)For all designated states
ENGELHARD CORPORATION
101 Wood Avenue Iselin
New Jersey 08830-0770 / US
[2007/09]
Former [2005/40]For all designated states
ENGELHARD CORPORATION
101 Wood Avenue Iselin
New Jersey 08830-0770 / US
Inventor(s)01 / BREEN, Michael, J.
9904 Mark Road
Erie, PA 16509 / US
02 / SIEGEL, Marc
Wallmodenstrasse 36
D-30625 Hannover / DE
 [2005/40]
Representative(s)Fisher, Adrian John, et al
Carpmaels & Ransford LLP
One Southampton Row
London WC1B 5HA / GB
[N/P]
Former [2005/40]Fisher, Adrian John, et al
CARPMAELS & RANSFORD 43-45 Bloomsbury Square
London WC1A 2RA / GB
Application number, filing date03812866.608.12.2003
[2005/40]
WO2003US39006
Priority number, dateUS2002031673711.12.2002         Original published format: US 316737
[2005/40]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report
No.:WO2004052498
Date:24.06.2004
Language:EN
[2004/26]
Type: A2 Application without search report 
No.:EP1581336
Date:05.10.2005
Language:EN
The application published by WIPO in one of the EPO official languages on 24.06.2004 takes the place of the publication of the European patent application.
[2005/40]
Type: B1 Patent specification 
No.:EP1581336
Date:28.02.2007
Language:EN
[2007/09]
Search report(s)International search report - published on:EP24.03.2005
ClassificationIPC:B01J20/12, A23D7/00
[2005/40]
CPC:
B01J20/12 (EP,US); C11B3/10 (EP,US)
Designated contracting statesAT,   BE,   BG,   CH,   CY,   CZ,   DE,   DK,   EE,   ES,   FI,   FR,   GB,   GR,   HU,   IE,   IT,   LI,   LU,   MC,   NL,   PT,   RO,   SE,   SI,   SK,   TR [2005/40]
Extension statesALNot yet paid
LTNot yet paid
LVNot yet paid
MKNot yet paid
TitleGerman:FILTRIERHILFSMITTEL AUF BASIS VON SÄUREAKTIVIERTEM LEHM[2006/30]
English:ACID ACTIVATED CLAY BASED FILTRATION AID[2006/30]
French:AUXILIAIRE DE FILTRATION A BASE D'ARGILE ACTIVEE PAR DE L'ACIDE[2006/30]
Former [2005/40]FILTRIERHILFSMITTEL AUF BASIS VON SÄUREAKTIVIERTEMMONTMORILLONIT
Former [2005/40]ACID ACTIVATED MONTMORILLONITE BASED FILTRATION AID
Former [2005/40]AUXILIAIRE DE FILTRATION A BASE DE MONTMORILLONITE ACTIVEE PAR DE L'ACIDE
Entry into regional phase28.06.2005National basic fee paid 
28.06.2005Designation fee(s) paid 
28.06.2005Examination fee paid 
Examination procedure28.06.2005Examination requested  [2005/40]
03.02.2006Despatch of a communication from the examining division (Time limit: M04)
13.06.2006Reply to a communication from the examining division
10.08.2006Communication of intention to grant the patent
30.11.2006Fee for grant paid
30.11.2006Fee for publishing/printing paid
Opposition(s)29.11.2007No opposition filed within time limit [2008/06]
Fees paidRenewal fee
28.06.2005Renewal fee patent year 03
27.12.2006Renewal 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.
Lapses during opposition  TooltipAT28.02.2007
BE28.02.2007
CH28.02.2007
CY28.02.2007
CZ28.02.2007
DK28.02.2007
EE28.02.2007
FI28.02.2007
FR28.02.2007
IT28.02.2007
LI28.02.2007
NL28.02.2007
RO28.02.2007
SI28.02.2007
SK28.02.2007
TR28.02.2007
BG29.05.2007
GR29.05.2007
SE31.05.2007
ES08.06.2007
PT30.07.2007
HU01.09.2007
[2009/43]
Former [2009/35]AT28.02.2007
BE28.02.2007
CH28.02.2007
CY28.02.2007
CZ28.02.2007
DK28.02.2007
EE28.02.2007
FI28.02.2007
FR28.02.2007
IT28.02.2007
LI28.02.2007
NL28.02.2007
RO28.02.2007
SI28.02.2007
SK28.02.2007
BG29.05.2007
GR29.05.2007
SE31.05.2007
ES08.06.2007
PT30.07.2007
Former [2009/11]AT28.02.2007
BE28.02.2007
CH28.02.2007
CZ28.02.2007
DK28.02.2007
EE28.02.2007
FI28.02.2007
FR28.02.2007
IT28.02.2007
LI28.02.2007
NL28.02.2007
RO28.02.2007
SI28.02.2007
SK28.02.2007
BG29.05.2007
GR29.05.2007
SE31.05.2007
ES08.06.2007
PT30.07.2007
Former [2008/52]AT28.02.2007
BE28.02.2007
CH28.02.2007
CZ28.02.2007
DK28.02.2007
FI28.02.2007
FR28.02.2007
IT28.02.2007
LI28.02.2007
NL28.02.2007
RO28.02.2007
SI28.02.2007
SK28.02.2007
BG29.05.2007
GR29.05.2007
SE31.05.2007
ES08.06.2007
PT30.07.2007
Former [2008/22]AT28.02.2007
BE28.02.2007
CH28.02.2007
CZ28.02.2007
DK28.02.2007
FI28.02.2007
IT28.02.2007
LI28.02.2007
NL28.02.2007
RO28.02.2007
SI28.02.2007
SK28.02.2007
BG29.05.2007
GR29.05.2007
SE31.05.2007
ES08.06.2007
PT30.07.2007
FR19.10.2007
Former [2008/04]AT28.02.2007
BE28.02.2007
CH28.02.2007
CZ28.02.2007
DK28.02.2007
FI28.02.2007
LI28.02.2007
NL28.02.2007
RO28.02.2007
SI28.02.2007
SK28.02.2007
BG29.05.2007
SE31.05.2007
ES08.06.2007
PT30.07.2007
Former [2008/02]AT28.02.2007
BE28.02.2007
CH28.02.2007
CZ28.02.2007
DK28.02.2007
FI28.02.2007
LI28.02.2007
NL28.02.2007
SI28.02.2007
SK28.02.2007
BG29.05.2007
SE31.05.2007
ES08.06.2007
PT30.07.2007
Former [2007/51]AT28.02.2007
BE28.02.2007
CH28.02.2007
DK28.02.2007
FI28.02.2007
LI28.02.2007
NL28.02.2007
SI28.02.2007
SK28.02.2007
BG29.05.2007
SE31.05.2007
ES08.06.2007
PT30.07.2007
Former [2007/49]AT28.02.2007
BE28.02.2007
CH28.02.2007
DK28.02.2007
FI28.02.2007
LI28.02.2007
NL28.02.2007
SI28.02.2007
BG29.05.2007
SE31.05.2007
ES08.06.2007
PT30.07.2007
Former [2007/47]AT28.02.2007
CH28.02.2007
DK28.02.2007
FI28.02.2007
LI28.02.2007
NL28.02.2007
SI28.02.2007
BG29.05.2007
SE31.05.2007
ES08.06.2007
Former [2007/41]CH28.02.2007
FI28.02.2007
LI28.02.2007
NL28.02.2007
BG29.05.2007
SE31.05.2007
ES08.06.2007
Cited inInternational search[A]US3787330  (SUGAHARA Y, et al) [A] 1,2,4,11,18 * the whole document *;
 [A]DD229424  (ZEITZ HYDRIERWERK [DD]) [A] 1-5,7 * the whole document *;
 [AD]US5008226  (TAYLOR DENNIS R [US], et al) [AD] 1* the whole document *;
 [A]US5486499  (DAVIES MARY E [GB], et al) [A] 1 * the whole document *;
 [A]US2002072469  (HILL DAVID [US], et al) [A] 1 * the whole document *
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.