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Extract from the Register of European Patents

EP About this file: EP1680357

EP1680357 - METHOD FOR PRODUCTION OF TRICHLOROSILANE [Right-click to bookmark this link]
Former [2006/29]METHOD FOR PRODUCTION OF TRICHLOROSILANE AND SILICON FOR USE IN THE PRODUCTION OF TRICHLOROSILANE
[2008/18]
StatusPatent revoked
Status updated on  14.11.2014
Database last updated on 29.03.2025
Most recent event   Tooltip10.07.2020Lapse of the patent in a contracting state
New state(s): ES		published on 12.08.2020  [2020/33]
Applicant(s)For all designated states
Elkem ASA
Hoffsveien 65B
0377 Oslo / NO
[2006/29]
Inventor(s)01 / HOEL, Jan-Otto
Blaklihogda 3D
7036 Trondheim / NO
02 / RONG, Harry, Morten
Nertroa 19
7089 Heimdal / NO
03 / ROE, Torbjorn
Astronomveien 11a
7037 Trondheim / NO
04 / OYE, Harald, Arnljot
Steinhaugen 5
7049 Trondheim / NO
 [2007/08]
Former [2006/29]01 / HOEL, Jan-Otto
Nordre Risvolltun 15H
7036 Trondheim / NO
02 / RONG, Harry, Morten
Nertroa 19
7089 Heimdal / NO
03 / ROE, Torbjorn
Baldersvei 5B
7033 Trondheim / NO
04 / OYE, Harald, Arnljot
Steinhaugen 5
7049 Trondheim / NO
Representative(s)Copsey, Timothy Graham, et al
Kilburn & Strode LLP
Lacon London
84 Theobalds Road
London WC1X 8NL / GB
[N/P]
Former [2013/17]Copsey, Timothy Graham, et al
Kilburn & Strode LLP
20 Red Lion Street
London WC1R 4PJ / GB
Former [2006/29]Rees, David Christopher
Kilburn & Strode 20 Red Lion Street
London WC1R 4PJ / GB
Application number, filing date04748762.424.06.2004
[2006/29]
WO2004NO00186
Priority number, dateNO2003000309307.07.2003         Original published format: NO 20033093
[2006/29]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2005003030
Date:13.01.2005
Language:EN
[2005/02]
Type: A1 Application with search report 
No.:EP1680357
Date:19.07.2006
Language:EN
The application published by WIPO in one of the EPO official languages on 13.01.2005 takes the place of the publication of the European patent application.
[2006/29]
Type: B1 Patent specification 
No.:EP1680357
Date:01.10.2008
Language:EN
[2008/40]
Search report(s)International search report - published on:SE13.01.2005
ClassificationIPC:C01B33/107
[2006/29]
CPC:
C01B33/10763 (EP,US); C01B33/107 (KR); C01B33/08 (KR)
Designated contracting statesAT,   BE,   BG,   CH,   CY,   CZ,   DE,   DK,   EE,   ES,   FI,   FR,   GB,   GR,   HU,   IE,   IT,   LI,   LU,   MC,   NL,   PL,   PT,   RO,   SE,   SI,   SK,   TR [2006/29]
Extension statesALNot yet paid
HRNot yet paid
LTNot yet paid
LVNot yet paid
MKNot yet paid
TitleGerman:VERFAHREN ZUR HERSTELLUNG VON TRICHLORSILAN[2008/18]
English:METHOD FOR PRODUCTION OF TRICHLOROSILANE[2008/18]
French:PROCEDE DE PRODUCTION DE TRICHLOROSILANE[2008/18]
Former [2006/29]VERFAHREN ZUR HERSTELLUNG VON TRICHLORSILAN UND SILICIUM ZUR VERWENDUNG BEI DER HERSTELLUNG VON TRICHLORSILAN
Former [2006/29]METHOD FOR PRODUCTION OF TRICHLOROSILANE AND SILICON FOR USE IN THE PRODUCTION OF TRICHLOROSILANE
Former [2006/29]PROCEDE DE PRODUCTION DE TRICHLOROSILANE ET SILICIUM DESTINE A ETRE UTILISE DANS LA PRODUCTION DE TRICHLOROSILANE
Entry into regional phase02.02.2006National basic fee paid 
02.02.2006Designation fee(s) paid 
02.02.2006Examination fee paid 
Examination procedure07.01.2005Request for preliminary examination filed
International Preliminary Examining Authority: SE
03.02.2006Examination requested  [2006/29]
03.01.2007Despatch of a communication from the examining division (Time limit: M04)
14.05.2007Reply to a communication from the examining division
23.07.2007Despatch of a communication from the examining division (Time limit: M04)
03.12.2007Reply to a communication from the examining division
14.04.2008Communication of intention to grant the patent
04.08.2008Fee for grant paid
04.08.2008Fee for publishing/printing paid
Opposition(s)Opponent(s)01  26.06.2009  19.08.2009  ADMISSIBLE
Evonik Degussa GmbH
Paul-Baumann-Strasse 1
45764 Marl / DE
Opponent's representative
Godemeyer, Thomas, et al, et al
polypatent An den Gärten 7
51491 Overath / DE
 [2012/07]
Former [2010/45]
Opponent(s)01  26.06.2009  19.08.2009  ADMISSIBLE
Evonik Degussa GmbH
Paul-Baumann-Strasse 1
45764 Marl / DE
Opponent's representative
Godemeyer, Thomas, et al, et al
polypatent Postfach 40 02 43
51410 Bergisch Gladbach / DE
Former [2009/32]
Opponent(s)01  26.06.2009   
Evonik Degussa GmbH
Paul-Baumann-Strasse 1
45764 Marl / DE
04.08.2009Invitation to proprietor to file observations on the notice of opposition
02.03.2010Reply of patent proprietor to notice(s) of opposition
08.12.2010Date of oral proceedings
12.01.2011Despatch of interlocutory decision in opposition
12.01.2011Despatch of minutes of oral proceedings
04.09.2013Legal effect of interlocutory decision in opposition
09.12.2013Despatch of communication that the patent will be maintained as amended
30.07.2014Despatch of communication that the patent will be revoked
09.08.2014Legal effect of revocation of patent [2014/51]
Appeal following opposition18.03.2011Appeal received No.  T0500/11
19.05.2011Statement of grounds filed
04.09.2013Result of appeal procedure: appeal of the proprietor was rejected
02.03.2011Appeal received No.  T0500/11
05.04.2011Statement of grounds filed
04.09.2013Result of appeal procedure: appeal of the proprietor was rejected
04.09.2013Date of oral proceedings
19.09.2013Minutes of the oral proceedings despatched
Fees paidRenewal fee
27.03.2006Renewal fee patent year 03
14.06.2007Renewal fee patent year 04
28.03.2008Renewal fee patent year 05
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  TooltipCY01.10.2008
CZ01.10.2008
DK01.10.2008
EE01.10.2008
PL01.10.2008
RO01.10.2008
SI01.10.2008
SK01.10.2008
TR01.10.2008
BG01.01.2009
GR02.01.2009
PT02.03.2009
HU02.04.2009
IE24.06.2009
LU24.06.2009
CH30.06.2009
LI30.06.2009
MC30.06.2009
IT24.06.2014
ES25.06.2014
[2020/33]
Former [2015/23]CY01.10.2008
CZ01.10.2008
DK01.10.2008
EE01.10.2008
PL01.10.2008
RO01.10.2008
SI01.10.2008
SK01.10.2008
TR01.10.2008
BG01.01.2009
GR02.01.2009
PT02.03.2009
HU02.04.2009
IE24.06.2009
LU24.06.2009
CH30.06.2009
LI30.06.2009
MC30.06.2009
IT24.06.2014
Former [2015/21]CY01.10.2008
CZ01.10.2008
DK01.10.2008
EE01.10.2008
PL01.10.2008
RO01.10.2008
SI01.10.2008
SK01.10.2008
TR01.10.2008
BG01.01.2009
GR02.01.2009
PT02.03.2009
HU02.04.2009
IE24.06.2009
LU24.06.2009
CH30.06.2009
LI30.06.2009
MC30.06.2009
Former [2011/32]CZ01.10.2008
DK01.10.2008
EE01.10.2008
PL01.10.2008
RO01.10.2008
SI01.10.2008
SK01.10.2008
BG01.01.2009
GR02.01.2009
PT02.03.2009
HU02.04.2009
IE24.06.2009
LU24.06.2009
CH30.06.2009
LI30.06.2009
MC30.06.2009
Former [2011/21]CZ01.10.2008
DK01.10.2008
EE01.10.2008
PL01.10.2008
RO01.10.2008
SI01.10.2008
SK01.10.2008
BG01.01.2009
GR02.01.2009
PT02.03.2009
IE24.06.2009
LU24.06.2009
CH30.06.2009
LI30.06.2009
MC30.06.2009
Former [2010/50]CZ01.10.2008
DK01.10.2008
EE01.10.2008
PL01.10.2008
RO01.10.2008
SI01.10.2008
SK01.10.2008
BG01.01.2009
GR02.01.2009
PT02.03.2009
IE24.06.2009
CH30.06.2009
LI30.06.2009
MC30.06.2009
Former [2010/21]CZ01.10.2008
DK01.10.2008
EE01.10.2008
PL01.10.2008
RO01.10.2008
SI01.10.2008
SK01.10.2008
BG01.01.2009
PT02.03.2009
IE24.06.2009
CH30.06.2009
LI30.06.2009
MC30.06.2009
Former [2010/07]CZ01.10.2008
DK01.10.2008
EE01.10.2008
PL01.10.2008
RO01.10.2008
SI01.10.2008
SK01.10.2008
BG01.01.2009
PT02.03.2009
MC30.06.2009
Former [2009/44]CZ01.10.2008
DK01.10.2008
EE01.10.2008
PL01.10.2008
RO01.10.2008
SI01.10.2008
SK01.10.2008
BG01.01.2009
PT02.03.2009
Former [2009/41]CZ01.10.2008
DK01.10.2008
EE01.10.2008
PL01.10.2008
RO01.10.2008
SI01.10.2008
BG01.01.2009
PT02.03.2009
Former [2009/36]DK01.10.2008
EE01.10.2008
PL01.10.2008
RO01.10.2008
SI01.10.2008
BG01.01.2009
PT02.03.2009
Former [2009/35]DK01.10.2008
PL01.10.2008
SI01.10.2008
BG01.01.2009
PT02.03.2009
Former [2009/26]PL01.10.2008
SI01.10.2008
BG01.01.2009
PT02.03.2009
Former [2009/24]SI01.10.2008
BG01.01.2009
Former [2009/17]SI01.10.2008
Cited inInternational search[X]US4247528  (DOSAJ VISHU D, et al);
 [A]US5063040  (RUFF KLAUS [DE]);
 [A]US5871705  (SAKATA KANJI [JP], et al);
 [A]WO0249754  (SOLARWORLD AG [DE], et al)
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.