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Extract from the Register of European Patents

EP About this file: EP1240673

EP1240673 - Method for raw etching silicon solar cells [Right-click to bookmark this link]
Former [2002/38]METHOD FOR RAW ETCHING SILICON SOLAR CELLS
[2010/11]
StatusThe patent has been granted
Status updated on  16.07.2010
Database last updated on 27.07.2024
Most recent event   Tooltip16.04.2021Lapse of the patent in a contracting state
New state(s): IE		published on 19.05.2021  [2021/20]
Applicant(s)For all designated states
BASF SE
Carl-Bosch-Strasse 38
67056 Ludwigshafen am Rhein / DE
[N/P]
Former [2008/10]For all designated states
BASF SE
67056 Ludwigshafen / DE
Former [2005/32]For all designated states
BASF Aktiengesellschaft
Carl-Bosch-Strasse 38
67063 Ludwigshafen / DE
Former [2002/38]For all designated states
MERCK PATENT GmbH
Frankfurter Strasse 250
64293 Darmstadt / DE
Inventor(s)01 / KÜBELBECK, Armin
Augartenstrasse 45
64625 Bensheim / DE
02 / Wiegand, Claudia
Althelmweg 14
64291 Darmstadt / DE
03 / GÖLZENLEUCHTER, Thomas
Fichtering 2
64572 Büttleborn / DE
 [2002/45]
Former [2002/43]01 / KÜBELBECK, Armin
Augartenstrasse 45
64625 Bensheim / DE
02 / Wiegand, Claudia
Altheimweg 14
64291 Darmstadt / DE
03 / GÖLZENLEUCHTER, Thomas
Fichtering 2
64572 Büttleborn / DE
Former [2002/38]01 / KÜBELBECK, Armin
Augartenstrasse 45
64625 Bensheim / DE
02 / ZIELINSKI, Claudia
Stormstrasse 15
64291 Darmstadt / DE
03 / GÖLZENLEUCHTER, Thomas
Fichtering 2
64572 Büttleborn / DE
Representative(s)BASF IP Association
BASF SE
G-FLP-C006
67056 Ludwigshafen / DE
[N/P]
Application number, filing date00985147.807.12.2000
[2002/38]
WO2000EP12328
Priority number, dateDE1999106213622.12.1999         Original published format: DE 19962136
[2002/38]
Filing languageDE
Procedural languageDE
PublicationType: A1 Application with search report
No.:WO0147032
Date:28.06.2001
Language:DE
[2001/26]
Type: A1 Application with search report 
No.:EP1240673
Date:18.09.2002
Language:DE
The application published by WIPO in one of the EPO official languages on 28.06.2001 takes the place of the publication of the European patent application.
[2002/38]
Type: B1 Patent specification 
No.:EP1240673
Date:18.08.2010
Language:DE
[2010/33]
Search report(s)International search report - published on:EP28.06.2001
ClassificationIPC:H01L31/0236, H01L31/18, H01L21/306, H01L21/3213
[2002/38]
CPC:
H01L31/1804 (EP,US); C09K13/06 (EP,US); C09K13/08 (EP,US);
H01L31/02363 (EP,US); Y02E10/547 (EP,US); Y02P70/50 (EP,US)
Designated contracting statesAT,   BE,   CH,   CY,   DE,   DK,   ES,   FI,   FR,   GB,   GR,   IE,   IT,   LI,   LU,   MC,   NL,   PT,   SE,   TR [2002/38]
Extension statesALNot yet paid
LTNot yet paid
LVNot yet paid
MKNot yet paid
RONot yet paid
SINot yet paid
TitleGerman:Verfahren zur Rauhätzung von Siliziumsolarzellen[2010/11]
English:Method for raw etching silicon solar cells[2010/11]
French:Procédé de gravure de cellules solaires au silicium pour les rendre rugueuses[2010/11]
Former [2002/38]VERFAHREN ZUR RAUHÄTZUNG VON SILIZIUMSOLARZELLEN
Former [2002/38]METHOD FOR RAW ETCHING SILICON SOLAR CELLS
Former [2002/38]PROCEDE POUR RENDRE RUGUEUSES PAR ATTAQUE DES PILES SOLAIRES AU SILICIUM
Entry into regional phase16.05.2002National basic fee paid 
16.05.2002Designation fee(s) paid 
16.05.2002Examination fee paid 
Examination procedure20.06.2001Request for preliminary examination filed
International Preliminary Examining Authority: EP
16.05.2002Examination requested  [2002/38]
23.02.2010Communication of intention to grant the patent
30.06.2010Fee for grant paid
30.06.2010Fee for publishing/printing paid
Opposition(s)Opponent(s)01  18.05.2011  09.02.2012  DEEMED NOT TO HAVE BEEN FILED
RENA GmbH
Ob der Eck 5
78148 Gütenbach / DE
Opponent's representative
Stürken, Joachim
Joachim Stürken Patentanwaltsgesellschaft mbH Kirchenhölzle 18
79104 Freiburg / DE
 [2012/11]
Former [2011/26]
Opponent(s)01  18.05.2011    DEEMED NOT TO HAVE BEEN FILED
RENA GmbH
Ob der Eck 5
78148 Gütenbach / DE
Opponent's representative
Stürken, Joachim
Joachim Stürken Patentanwaltsgesellschaft mbH Kirchenhölzle 18
79104 Freiburg / DE
11.11.2011Despatch of communication of loss of particular rights: Opposition is deemed not to be filed 01
21.11.2011Despatch of communication of loss of particular right
Fees paidRenewal fee
12.12.2002Renewal fee patent year 03
12.12.2003Renewal fee patent year 04
14.12.2004Renewal fee patent year 05
02.01.2006Renewal fee patent year 06
02.01.2007Renewal fee patent year 07
02.01.2008Renewal fee patent year 08
31.03.2008Renewal fee patent year 09
04.01.2010Renewal fee patent year 10
Opt-out from the exclusive  Tooltip
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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  TooltipCY18.08.2010
DK18.08.2010
FI18.08.2010
SE18.08.2010
TR18.08.2010
GR19.11.2010
AT07.12.2010
LU07.12.2010
PT20.12.2010
BE31.12.2010
CH31.12.2010
LI31.12.2010
MC31.12.2010
ES08.12.2011
GB06.12.2020
IE07.12.2020
[2021/20]
Former [2021/10]CY18.08.2010
DK18.08.2010
FI18.08.2010
SE18.08.2010
TR18.08.2010
GR19.11.2010
AT07.12.2010
LU07.12.2010
PT20.12.2010
BE31.12.2010
CH31.12.2010
LI31.12.2010
MC31.12.2010
ES08.12.2011
GB06.12.2020
Former [2013/48]CY18.08.2010
DK18.08.2010
FI18.08.2010
SE18.08.2010
TR18.08.2010
GR19.11.2010
AT07.12.2010
LU07.12.2010
PT20.12.2010
BE31.12.2010
CH31.12.2010
LI31.12.2010
MC31.12.2010
ES08.12.2011
Former [2011/36]CY18.08.2010
DK18.08.2010
FI18.08.2010
SE18.08.2010
GR19.11.2010
PT20.12.2010
MC31.12.2010
Former [2011/19]CY18.08.2010
DK18.08.2010
FI18.08.2010
SE18.08.2010
GR19.11.2010
PT20.12.2010
Former [2011/15]CY18.08.2010
FI18.08.2010
SE18.08.2010
GR19.11.2010
PT20.12.2010
Former [2011/13]CY18.08.2010
FI18.08.2010
PT20.12.2010
Former [2011/10]FI18.08.2010
PT20.12.2010
Cited inInternational search[AD]US3953263  (ISHIKAWA MISAO, et al) [AD] 1,4,6 * the whole document *;
 [DA]US4137123  (BAILEY WILLIAM L, et al) [DA] 1,6 * the whole document *;
 [X]DE19746706  (MITSUBISHI ELECTRIC CORP [JP]) [X] 1,2,6,8,9 * page 4, line 53 - page 5, line 53; figures 1,8; example 2; claim 1 *;
 [A]US5949123  (LE QUANG NAM [FR], et al);
 [X]  - R. EINHAUS ET AL., "Recent progress with acidic texturing solutions on different multicrystalline silicon materials including ribbons", 2ND WORLD CONFERENCE ON PHOTOVOLTAIC SOLAR ENERGY CONVERSION, VIENNA, AT, (19980706), vol. II, pages 1630 - 1633, XP002166724 [X] 1,6,8 * the whole document *
 [X]  - R. EINHAUS ET AL., "ISOTROPIC TEXTURING OF MULTICRYSTALLINE SILICON WAFERS WITH ACIDIC TEXTURING SOLUTIONS", 26TH IEEE PHOTOVOLTAIC SPECIALISTS CONFERENCE, ANAHEIM, CA, USA, (19970929), pages 167 - 170, XP002166725 [X] 1,6,8 * the whole document *

DOI:   http://dx.doi.org/10.1109/PVSC.1997.654055
 [X]  - VERLINDEN P ET AL, "THE SURFACE TEXTURIZATION OF SOLAR CELLS: A NEW METHOD USING V-GROOVES WITH CONTROLLABLE SIDEWALL ANGLES", SOLAR ENERGY MATERIALS AND SOLAR CELLS,NL,ELSEVIER SCIENCE PUBLISHERS, AMSTERDAM, (19920301), vol. 26, no. 1 / 02, ISSN 0927-0248, pages 71 - 78, XP000264537 [X] 1,6,8,9 * the whole document *

DOI:   http://dx.doi.org/10.1016/0927-0248(92)90126-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.