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: EP1127924

EP1127924 - Silicia powder and method for producing the same [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  07.10.2005
Database last updated on 02.09.2024
Most recent event   Tooltip07.10.2005No opposition filed within time limitpublished on 23.11.2005  [2005/47]
Applicant(s)For all designated states
MITSUBISHI MATERIALS CORPORATION
5-1, Otemachi 1-chome
Chiyoda-ku
Tokyo 100-8117 / JP
[N/P]
Former [2001/35]For all designated states
MITSUBISHI MATERIALS CORPORATION
5-1, Otemachi 1-chome
Chiyoda-ku, Tokyo 100-8117 / JP
Inventor(s)01 / Sugino, Maki, Mitsubishi Materials Corp.
297, Kitabukurocho 1-chome
Ohmiya-shi, Saitama 330-0835 / JP
02 / Hirata, Hiroki, Mitsubishi Materials Corp.
297, Kitabukurocho 1-chome
Ohmiya-shi, Saitama 330-0835 / JP
03 / Ogi, Katsumi, Mitsubishi Materials Corp.
297, Kitabukurocho 1-chome
Ohmiya-shi, Saitama 330-0835 / JP
 [2001/35]
Representative(s)Gille Hrabal Partnerschaftsgesellschaft mbB Patentanwälte
Brucknerstraße 20
40593 Düsseldorf / DE
[N/P]
Former [2001/35]Gille Hrabal Struck Neidlein Prop Roos
Patentanwälte Brucknerstrasse 20
40593 Düsseldorf / DE
Application number, filing date01102702.606.02.2001
[2001/35]
Priority number, dateJP2000004734724.02.2000         Original published format: JP 2000047347
JP2000029820729.09.2000         Original published format: JP 2000298207
[2001/35]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP1127924
Date:29.08.2001
Language:EN
[2001/35]
Type: A3 Search report 
No.:EP1127924
Date:17.07.2002
[2002/29]
Type: B1 Patent specification 
No.:EP1127924
Date:01.12.2004
Language:EN
[2004/49]
Search report(s)(Supplementary) European search report - dispatched on:EP04.06.2002
ClassificationIPC:C09C1/30
[2001/35]
CPC:
B82Y30/00 (EP,US); C09C1/3063 (EP,US); C01P2004/64 (EP,US);
C01P2004/84 (EP,US); C01P2006/12 (EP,US); C01P2006/22 (EP,US);
C01P2006/80 (EP,US); Y10T428/2991 (EP,US); Y10T428/2993 (EP,US) (-)
Designated contracting statesDE,   FR,   GB [2003/15]
Former [2001/35]AT,  BE,  CH,  CY,  DE,  DK,  ES,  FI,  FR,  GB,  GR,  IE,  IT,  LI,  LU,  MC,  NL,  PT,  SE,  TR 
TitleGerman:Siliziumdioxidpulver und Verfahren zu seiner Herstellung[2001/35]
English:Silicia powder and method for producing the same[2001/35]
French:Poudre de silice et procede pour sa production[2001/35]
Examination procedure26.06.2002Examination requested  [2002/35]
02.12.2002Despatch of a communication from the examining division (Time limit: M04)
22.03.2003Reply to a communication from the examining division
09.10.2003Despatch of a communication from the examining division (Time limit: M04)
14.11.2003Reply to a communication from the examining division
18.12.2003Communication of intention to grant the patent
02.04.2004Fee for grant paid
02.04.2004Fee for publishing/printing paid
Opposition(s)02.09.2005No opposition filed within time limit [2005/47]
Fees paidRenewal fee
21.02.2003Renewal fee patent year 03
26.02.2004Renewal 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.
Documents cited:Search[X]GB1071167  (DU PONT) [X] 1,2,7,8,11,15 * claims 1,6,9,13,21 * * page 2, line 21 - line 24 * * page 3, line 44 - line 50 * * page 4, line 37 - line 43 * * page 6, line 14 - line 23 * * page 7, line 29 - line 30 *;
 [X]US3383347  (PETTIT RICHARD R) [X] 1,2,4,7,15 * column 2, line 12 - line 58 * * column 3, line 26 - line 47 * * claim - *;
 [X]US3407165  (OEPKES JACOB, et al) [X] 1,2,4,7,8,11,15 * column 1, line 35 - line 41 * * column 2, line 11 - line 41 * * column 3, line 15 - line 20 * * column 4, line 17 - line 35 * * column 6, line 23 - line 24 * * column 6, line 72 - column 7, line 6 * * example 1 *;
 [X]US4245005  (REGNIER FREDERICK E, et al) [X] 1,2,4,7-13,15 * example 1 *;
 [A]US4532273  (KADOWAKI TOSHIO [JP], et al) [A] 1 * column 1, line 67 - column 2, line 11 * * column 3, line 66 - column 4, line 9 * * column 6, line 47 - line 60 *;
 [A]EP0174390  (TORAY INDUSTRIES [JP]) [A] 1 * page 3, line 8 - line 23 * * page 4, line 2 - line 18 * * page 5, line 3 - line 9 * * page 6, line 15 - page 7, line 7 * * page 9, line 1 - page 10, line 7 * * page 12, line 8 - line 17 * * page 13, line 24 - page 14, line 14 * * page 15, line 15 - line 19 ** claim - *;
 [X]US4826895  (KANAI HIROSHI [JP], et al) [X] 1,2,4-7,11,14,15 * column 2, line 15 - line 44 * * column 3, line 7 - line 10 * * column 6, line 16 - line 35 * * column 7, line 7 - line 23 *;
 [X]EP0870790  (ASAHI DENKA KOGYO KK [JP], et al) [X] 1-4 * claims 1,2,4 * * page 2, line 32 - line 38 * * page 3, line 11 - line 16 * * page 4, line 17 - line 54 * * page 7, line 17 - line 19 *;
 [A]US5837785  (KINSHO TOSHIHIKO [JP], et al) [A] 1 * column 1, line 6 - line 12 * * column 1, line 49 - column 2, line 2 * * column 3, line 55 - line 57 * * column 9, line 66 - column 10, line 31 *
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.