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Extract from the Register of European Patents

EP About this file: EP0754257

EP0754257 - METHOD OF ENHANCING BIOPULPING EFFICACY [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  25.01.2002
Database last updated on 02.11.2024
Most recent event   Tooltip04.01.2008Lapse of the patent in a contracting state
New state(s): IT
published on 06.02.2008  [2008/06]
Applicant(s)For all designated states
WISCONSIN ALUMNI RESEARCH FOUNDATION
614 North Walnut Street Post Office Box 7365
Madison, WI 53707-7365 / US
[N/P]
Former [1997/04]For all designated states
WISCONSIN ALUMNI RESEARCH FOUNDATION
614 North Walnut Street Post Office Box 7365
Madison Wisconsin 53707-7365 / US
Inventor(s)01 / AKHTAR, Masood
5 University Houses
Madison, WI 53705 / US
[1997/04]
Representative(s)Ellis-Jones, Patrick George Armine, et al
J.A. KEMP & CO. 14 South Square Gray's Inn
London WC1R 5JJ / GB
[N/P]
Former [1997/04]Ellis-Jones, Patrick George Armine, et al
J.A. KEMP & CO. 14 South Square Gray's Inn
London WC1R 5LX / GB
Application number, filing date95928670.921.07.1995
[1997/04]
WO1995US09155
Priority number, dateUS1994028947911.08.1994         Original published format: US 289479
[1997/04]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO9605362
Date:22.02.1996
Language:EN
[1996/09]
Type: A1 Application with search report 
No.:EP0754257
Date:22.01.1997
Language:EN
The application published by WIPO in one of the EPO official languages on 22.02.1996 takes the place of the publication of the European patent application.
[1997/04]
Type: B1 Patent specification 
No.:EP0754257
Date:21.03.2001
Language:EN
[2001/12]
Search report(s)International search report - published on:US22.02.1996
(Supplementary) European search report - dispatched on:EP23.04.1997
ClassificationIPC:D21C3/00, D21C3/20, D21C1/00, D21B1/02
[1997/22]
CPC:
D21C1/00 (EP,US); D21C5/005 (EP,US)
Former IPC [1997/04]D21C3/00, D21C3/20
Designated contracting statesAT,   BE,   CH,   DE,   DK,   ES,   FR,   GB,   GR,   IE,   IT,   LI,   LU,   MC,   NL,   PT,   SE [1997/04]
TitleGerman:VERFAHREN ZUR VERBESSERUNG DER WIRKSAMHEIT EINES BIOLOGISCHEN AUFSCHLUSS[1997/04]
English:METHOD OF ENHANCING BIOPULPING EFFICACY[1997/04]
French:AMELIORATION DU RENDEMENT DU PROCEDE BIOLOGIQUE DE REDUCTION EN PATE[1997/04]
Entry into regional phase30.08.1996National basic fee paid 
30.08.1996Search fee paid 
30.08.1996Designation fee(s) paid 
11.10.1996Examination fee paid 
Examination procedure11.10.1996Examination requested  [1997/07]
03.12.1998Despatch of a communication from the examining division (Time limit: M07)
30.08.1999Reply to a communication from the examining division
29.03.2000Despatch of communication of intention to grant (Approval: Yes)
29.08.2000Communication of intention to grant the patent
02.12.2000Fee for grant paid
02.12.2000Fee for publishing/printing paid
Opposition(s)22.12.2001No opposition filed within time limit [2002/11]
Request for further processing for:30.08.1999Request for further processing filed
30.08.1999Full payment received (date of receipt of payment)
Request granted
21.09.1999Decision despatched
Fees paidRenewal fee
14.07.1997Renewal fee patent year 03
08.07.1998Renewal fee patent year 04
13.07.1999Renewal fee patent year 05
12.07.2000Renewal fee patent year 06
Penalty fee
Penalty fee Rule 85a EPC 1973
30.07.1996AT   M01   Fee paid on   30.08.1996
30.07.1996BE   M01   Fee paid on   30.08.1996
30.07.1996CH   M01   Fee paid on   30.08.1996
30.07.1996DE   M01   Fee paid on   30.08.1996
30.07.1996DK   M01   Fee paid on   30.08.1996
30.07.1996ES   M01   Fee paid on   30.08.1996
30.07.1996FR   M01   Fee paid on   30.08.1996
30.07.1996GB   M01   Fee paid on   30.08.1996
30.07.1996GR   M01   Fee paid on   30.08.1996
30.07.1996IE   M01   Fee paid on   30.08.1996
30.07.1996IT   M01   Fee paid on   30.08.1996
30.07.1996LI   M01   Fee paid on   30.08.1996
30.07.1996LU   M01   Fee paid on   30.08.1996
30.07.1996MC   M01   Fee paid on   30.08.1996
30.07.1996NL   M01   Fee paid on   30.08.1996
30.07.1996PT   M01   Fee paid on   30.08.1996
30.07.1996SE   M01   Fee paid on   30.08.1996
Penalty fee Rule 85b EPC 1973
02.10.1996M01   Fee paid on   11.10.1996
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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  TooltipAT21.03.2001
BE21.03.2001
CH21.03.2001
IT21.03.2001
LI21.03.2001
NL21.03.2001
DK21.06.2001
PT21.06.2001
SE21.06.2001
GR22.06.2001
LU21.07.2001
IE23.07.2001
ES27.09.2001
[2008/06]
Former [2004/51]AT21.03.2001
BE21.03.2001
CH21.03.2001
LI21.03.2001
NL21.03.2001
DK21.06.2001
PT21.06.2001
SE21.06.2001
GR22.06.2001
LU21.07.2001
IE23.07.2001
ES27.09.2001
Former [2004/39]AT21.03.2001
BE21.03.2001
CH21.03.2001
LI21.03.2001
NL21.03.2001
DK21.06.2001
PT21.06.2001
SE21.06.2001
LU21.07.2001
IE23.07.2001
ES27.09.2001
Former [2004/04]AT21.03.2001
BE21.03.2001
CH21.03.2001
LI21.03.2001
NL21.03.2001
DK21.06.2001
PT21.06.2001
SE21.06.2001
IE23.07.2001
ES27.09.2001
Former [2003/45]AT21.03.2001
BE21.03.2001
CH21.03.2001
LI21.03.2001
NL21.03.2001
DK21.06.2001
PT21.06.2001
SE21.06.2001
IE23.07.2001
Former [2003/09]AT21.03.2001
BE21.03.2001
CH21.03.2001
LI21.03.2001
NL21.03.2001
PT21.06.2001
SE21.06.2001
IE23.07.2001
Former [2002/48]AT21.03.2001
BE21.03.2001
CH21.03.2001
LI21.03.2001
PT21.06.2001
SE21.06.2001
IE23.07.2001
Former [2002/26]AT21.03.2001
BE21.03.2001
CH21.03.2001
LI21.03.2001
PT21.06.2001
SE21.06.2001
Former [2002/13]AT21.03.2001
BE21.03.2001
CH21.03.2001
LI21.03.2001
SE21.06.2001
Former [2002/10]AT21.03.2001
BE21.03.2001
SE21.06.2001
Former [2002/05]BE21.03.2001
SE21.06.2001
Former [2002/03]BE21.03.2001
Documents cited:Search   [ ] - No further relevant documents disclosed
International search[Y]US4225381  (ISHIKAWA HISAO, et al);
 [Y]US4655926  (CHANG HOU-MIN [US], et al);
 [X]US5055159  (BLANCHETTE ROBERT A [US], et al)
 [X]  - TAPPI JOURNAL, May 1988, MYERS et al., "Fungal Pretreatment of Aspen Chips Improves Strength of Refiner Mechanical Pulp", pages 105-108.
 [Y]  - TAPPI JOURNAL, February 1992, AKHTAR et al., "Biomechanical Pulping of Loblolly Pine with Different Strains of White-Rot Fungus Ceriporiopsis Subvermispora", pages 105-109.
 [A]  - APPLIED AND ENVIRONMENTAL MICROBIOLOGY, October 1990, LAMAR and DIETRICH, "In Situ Depletion of Pentachlorophenol from Contaminated Soil by Phanerochaete spp.", pages 3093-3100.
 [A]  - TAPPI JOURNAL, May 1990, LEATHAM et al., "Biomechanical Pulping of Aspen Chips: Energy Savings Resulting from Different Fungal Treatments", pages 197-200.
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.