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Extract from the Register of European Patents

EP About this file: EP1831411

EP1831411 - EXTRACTION PROCESS FOR METALS LIKE GOLD AND PLATINUM INCL. FINE GRINDING , PULPING AND OXYGENATING [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  13.03.2009
Database last updated on 13.09.2024
Most recent event   Tooltip03.09.2010Lapse of the patent in a contracting state
New state(s): CY		published on 06.10.2010  [2010/40]
Applicant(s)For all designated states
Maelgwyn Mineral Services Africa (Proprietary) Limited
1332 Club House Street
1709 Maraisburg / ZA
[2007/37]
Inventor(s)01 / SINGH, Adrian
2 Cascades, Russell Street
1501 Benoni / ZA
02 / TINNISWOOD, Brian
1852 Hadida Street, Randpark Ridge
2156 Randburg / ZA
03 / BATTERSBY, Michael
38 Marion Street
Splott, Cardiff CF24 2DJ / GB
04 / IMHOF, Rainer
Leharweg 23
46282 Dorsten / DE
 [2007/37]
Representative(s)Spencer, Michael David, et al
Bromhead Johnson LLP
57-59 High Street
Twyford, Berkshire RG10 9AJ / GB
[N/P]
Former [2007/37]Spencer, Michael David, et al
Bromhead Johnson 19 Buckingham Street
London WC2N 6EF / GB
Application number, filing date05820532.915.12.2005
[2007/37]
WO2005IB03786
Priority number, dateZA2004001014615.12.2004         Original published format: ZA 200410146
[2007/37]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2006064350
Date:22.06.2006
Language:EN
[2006/25]
Type: A1 Application with search report 
No.:EP1831411
Date:12.09.2007
Language:EN
The application published by WIPO in one of the EPO official languages on 22.06.2006 takes the place of the publication of the European patent application.
[2007/37]
Type: B1 Patent specification 
No.:EP1831411
Date:07.05.2008
Language:EN
[2008/19]
Type: B9 Corrected patent specification 
No.:EP1831411
Date:22.04.2009
[2009/17]
Search report(s)International search report - published on:EP22.06.2006
ClassificationIPC:C22B1/00, C22B3/00, C22B3/04, C22B11/00, C22B11/08
[2007/37]
CPC:
C22B11/04 (EP,US); C22B11/08 (EP,US); C22B3/00 (EP,US);
C22B3/04 (EP,US); C22B3/12 (EP,US); Y02P10/20 (EP,US)
Designated contracting statesAT,   BE,   BG,   CH,   CY,   CZ,   DE,   DK,   EE,   ES,   FI,   FR,   GB,   GR,   HU,   IE,   IS,   IT,   LI,   LT,   LU,   LV,   MC,   NL,   PL,   PT,   RO,   SE,   SI,   SK,   TR [2007/37]
Extension statesAL12.07.2007
BA12.07.2007
HR12.07.2007
MK12.07.2007
YU12.07.2007
TitleGerman:EXTRAKTIONSVERFAHREN FÜR METALLE WIE GOLD UND PLATIN DURCH OXYGENIEREN VON FEIN ZERMAHLENEN ERZSCHLÄMMEN[2007/37]
English:EXTRACTION PROCESS FOR METALS LIKE GOLD AND PLATINUM INCL. FINE GRINDING , PULPING AND OXYGENATING[2007/37]
French:PROCEDE D'EXTRACTION POUR DES METAUX TELS QUE L'OR ET LE PLATINE, COMPRENANT LE BROYAGE FIN, LE PULPAGE ET L'OXYGENISATION[2007/37]
Entry into regional phase12.07.2007National basic fee paid 
12.07.2007Designation fee(s) paid 
12.07.2007Examination fee paid 
Examination procedure13.10.2006Request for preliminary examination filed
International Preliminary Examining Authority: EP
12.07.2007Examination requested  [2007/37]
21.11.2007Communication of intention to grant the patent
20.03.2008Fee for grant paid
20.03.2008Fee for publishing/printing paid
Opposition(s)10.02.2009No opposition filed within time limit [2009/16]
Fees paidRenewal fee
21.12.2007Renewal fee patent year 03
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  TooltipAT07.05.2008
BE07.05.2008
CY07.05.2008
CZ07.05.2008
DK07.05.2008
EE07.05.2008
IT07.05.2008
LT07.05.2008
LV07.05.2008
NL07.05.2008
SI07.05.2008
SK07.05.2008
IS07.09.2008
IE15.12.2008
LU15.12.2008
MC31.12.2008
[2010/40]
Former [2010/33]AT07.05.2008
BE07.05.2008
CZ07.05.2008
DK07.05.2008
EE07.05.2008
IT07.05.2008
LT07.05.2008
LV07.05.2008
NL07.05.2008
SI07.05.2008
SK07.05.2008
IS07.09.2008
IE15.12.2008
LU15.12.2008
MC31.12.2008
Former [2010/01]AT07.05.2008
BE07.05.2008
CZ07.05.2008
DK07.05.2008
EE07.05.2008
IT07.05.2008
LT07.05.2008
LV07.05.2008
NL07.05.2008
SI07.05.2008
SK07.05.2008
IS07.09.2008
IE15.12.2008
MC31.12.2008
Former [2009/22]AT07.05.2008
BE07.05.2008
CZ07.05.2008
DK07.05.2008
EE07.05.2008
LT07.05.2008
LV07.05.2008
NL07.05.2008
SI07.05.2008
SK07.05.2008
IS07.09.2008
Former [2009/13]AT07.05.2008
BE07.05.2008
CZ07.05.2008
DK07.05.2008
LT07.05.2008
LV07.05.2008
NL07.05.2008
SI07.05.2008
SK07.05.2008
IS07.09.2008
Former [2009/09]AT07.05.2008
DK07.05.2008
LV07.05.2008
NL07.05.2008
SI07.05.2008
IS07.09.2008
Former [2009/05]AT07.05.2008
LV07.05.2008
NL07.05.2008
SI07.05.2008
IS07.09.2008
Former [2008/49]AT07.05.2008
LV07.05.2008
NL07.05.2008
SI07.05.2008
Former [2008/44]SI07.05.2008
Cited inInternational search[Y]US4738718  (BAKSHANI NANDKUMAR [US], et al) [Y] 1-22 * examples 1-4; tables II-V *;
 [XY]AU2718292  (WESTERN MINERALS TECH PTY LTD) [X] 1-16 * page 3 - page 6; examples 1-4; claims 1-7 * [Y] 22;
 [Y]EP0574175  (SINCLAIR IAN MACDONALD [ZA], et al) [Y] 1-22 * page 2, line 9 - line 13; figure 3; example 1; claims 1-4 *;
 [Y]WO0017407  (MIM HOLDINGS LTD [AU], et al) [Y] 1-22* page 10 - page 11; figures 1,2; example 7; claims 1-23 *;
 [YA]US6251163  (KING JAMES A [CA]) [Y] 22 * column 3, line 17 - line 22; figures 1A,1B; claims 1,8 * [A]
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.