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Extract from the Register of European Patents

EP About this file: EP1892227

EP1892227 - Process for producing a boron carbide based sintered body [Right-click to bookmark this link]
Former [2008/09]Boron carbide based sintered body and process for its production
[2012/21]
StatusNo opposition filed within time limit
Status updated on  25.10.2013
Database last updated on 11.09.2024
Most recent event   Tooltip25.10.2013No opposition filed within time limitpublished on 27.11.2013  [2013/48]
Applicant(s)For all designated states
National Institute of Advanced Industrial Science and Technology
3-1, Kasumigaseki 1-chome, Chiyoda-ku
Tokyo 100-0013 / JP
For all designated states
DENKI KAGAKU KOGYO KABUSHIKI KAISHA
4-1, Yurakucho 1-chome Chiyoda-ku
Tokyo 100-8455 / JP
[2008/09]
Inventor(s)01 / Hirao, Kiyoshi National Institute of AIST
AIST Chubu, 2266-98
Aza Anagahora
Oaza Shimoshidami Moriyama-ku Nagoya-shi, Aichi 463-8560 / JP
02 / Sakaguchi, Shuji National Institute of AIST
AIST Chubu, 2266-98
Aza Anagahora
Oaza Shimoshidami Moriyama-ku Nagoya-shi, Aichi 463-8560 / JP
03 / Yamauchi, Yukihiko National Institute of AIST
AIST Chubu, 2266-98
Aza Anagahora
Oaza Shimoshidami Moriyama-ku Nagoya-shi, Aichi 463-8560 / JP
04 / Kanzaki, Shuzo National Institute of AIST
AIST Chubu, 2266-98
Aza Anagahora
Oaza Shimoshidami Moriyama-ku Nagoya-shi, Aichi 463-8560 / JP
05 / Yamada, Suzuya, Denki Kagaku Kogyo K.K.
Nihonbashi Mitsui Tower
1-1, Nihonbashi-Muromachi 2-chome
Chuo-ku, Tokyo 103-8338 / JP
 [2012/51]
Former [2008/27]01 / Hirao, Kiyoshi National Institute of AIST
AIST Chubu, 2266-98 Aza Anagahora
Oaza Shimoshidami Moriyama-ku Nagoya-shi, Aichi 463-8560 / JP
02 / Sakaguchi, Shuji National Institute of AIST
AIST Chubu, 2266-98 Aza Anagahora
Oaza Shimoshidami Moriyama-ku Nagoya-shi, Aichi 463-8560 / JP
03 / Yamauchi, Yukihiko National Institute of AIST
AIST Chubu, 2266-98 Aza Anagahora
Oaza Shimoshidami Moriyama-ku Nagoya-shi, Aichi 463-8560 / JP
04 / Kanzaki, Shuzo National Institute of AIST
AIST Chubu, 2266-98 Aza Anagahora
Oaza Shimoshidami Moriyama-ku Nagoya-shi, Aichi 463-8560 / JP
05 / Yamada, Suzuya, Denki Kagaku Kogyo K.K.
Nihonbashi Mitsui Tower, 1-1, Nihonbashi-Muromachi 2-chome
Chuo-ku, Tokyo 103-8338 / JP
Former [2008/11]01 / Hirao, Kiyoshi National Institute of AIST
AIST Chubu, 2266-98 Aza Anagahora
Oaza Shimoshidami Moriyama-ku Nagoya-shi, Aichi 463-8560 / JP
02 / Sakaguchi, Shuji National Institute of AIST
AIST Chubu, 2266-98 Aza Anagahora
Oaza Shimoshidami Moriyama-ku Nagoya-shi, Aichi 463-8560 / JP
03 / Yamauchi, Yukihiko National Institute of AIST
AIST Chubu, 2266-98 Aza Anagahora
Oaza Shimoshidami Moriyama-ku Nagoya-shi, Aichi 463-8560 / JP
04 / Kanzaki, Shuzo National Institute of AIST
AIST Chubu, 2266-98 Aza Anagahora
Oaza Shimoshidami Moriyama-ku Nagoya-shi, Aichi 463-8560 / JP
05 / Yamada, Suzuya Shidami Human Science Park Sentan Gijyutsu Renkei Research Center
2268-1, Aza Anagahora, Oaza Shimoshidami
Moriyama-ku, Nagoya-shi, Aichi 463-8687 / JP
Former [2008/09]01 / Hirao, Kiyoshi National Institute of AIST
AIST Chubu, 2266-98 Aza Anagahora
Oaza Shimoshidami Moriyama-ku Nagoya-shi, Aichi 463-8560 / JP
02 / Sakaguchi, Shuji National Institute of AIST
AIST Chubu, 2266-98 Aza Anagahora
Oaza Shimoshidami Moriyama-ku Nagoya-shi, Aichi 463-8560 / JP
03 / Yamauchi, Y. National Institute of AIST
AIST Chubu, 2266-98 Aza Anagahora
Oaza Shimoshidami Moriyama-ku Nagoya-shi, Aichi 463-8560 / JP
04 / Kanzaki, Shuzo National Institute of AIST
AIST Chubu, 2266-98 Aza Anagahora
Oaza Shimoshidami Moriyama-ku Nagoya-shi, Aichi 463-8560 / JP
05 / Yamada, Suzuya Shidami Human Science Park Sentan Gijyutsu Renkei Research Center
2268-1, Aza Anagahora, Oaza Shimoshidami
Moriyama-ku, Nagoya-shi, Aichi 463-8687 / JP
Representative(s)Hartz, Nikolai
Wächtershäuser & Hartz
Patentanwaltspartnerschaft mbB
Weinstrasse 8
80333 München / DE
[N/P]
Former [2012/51]Hartz, Nikolai
Wächtershäuser & Hartz
Patentanwaltspartnerschaft
Ottostrasse 4
80333 München / DE
Former [2009/39]Hartz, Nikolai
Wächtershäuser & Hartz Patentanwälte Weinstrasse 8
80333 München / DE
Former [2008/09]Hartz, Nikolai
Wächtershauser & Hartz Weinstrasse 8
80333 München / DE
Application number, filing date07023698.906.11.2002
[2008/09]
Priority number, dateJP2001034120506.11.2001         Original published format: JP 2001341205
JP2002013127207.05.2002         Original published format: JP 2002131272
[2008/09]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP1892227
Date:27.02.2008
Language:EN
[2008/09]
Type: B1 Patent specification 
No.:EP1892227
Date:19.12.2012
Language:EN
[2012/51]
Search report(s)(Supplementary) European search report - dispatched on:EP23.01.2008
ClassificationIPC:C04B35/56, B23B27/14
[2008/09]
CPC:
C04B35/645 (EP,US); B82Y30/00 (EP,US); C04B35/563 (EP,US);
C04B35/64 (EP,US); C04B2235/3231 (EP,US); C04B2235/3232 (EP,US);
C04B2235/3813 (EP,US); C04B2235/3821 (EP,US); C04B2235/422 (EP,US);
C04B2235/424 (EP,US); C04B2235/528 (EP,US); C04B2235/5409 (EP,US);
C04B2235/5436 (EP,US); C04B2235/5445 (EP,US); C04B2235/5454 (EP,US);
C04B2235/604 (EP,US); C04B2235/656 (EP,US); C04B2235/6562 (EP,US);
C04B2235/658 (EP,US); C04B2235/6581 (EP,US); C04B2235/661 (EP,US);
C04B2235/77 (EP,US); C04B2235/786 (EP,US); C04B2235/80 (EP,US);
C04B2235/94 (EP,US); C04B2235/96 (EP,US) (-)
Designated contracting statesDE,   FR,   GB [2008/09]
TitleGerman:Verfahren zur Herstellung gesinterter Keramikkörper auf der Basis von Borkarbid[2012/24]
English:Process for producing a boron carbide based sintered body[2012/21]
French:Procédé de fabrication d'un corps fritté à base de carbure de bore[2012/21]
Former [2008/09]Borkabid-basierter Sinterkörper und Herstellungsverfahren dafür
Former [2008/09]Boron carbide based sintered body and process for its production
Former [2008/09]Corps fritté à base de carbure de bore et son procédé de fabrication
Examination procedure06.12.2007Examination requested  [2008/09]
08.05.2008Despatch of a communication from the examining division (Time limit: M06)
12.11.2008Reply to a communication from the examining division
31.03.2010Despatch of a communication from the examining division (Time limit: M04)
28.07.2010Reply to a communication from the examining division
01.06.2012Communication of intention to grant the patent
27.09.2012Fee for grant paid
27.09.2012Fee for publishing/printing paid
Parent application(s)   TooltipEP02780026.7  / EP1452509
Divisional application(s)The date of the Examining Division's first communication in respect of the earliest application for which a communication has been issued (EP20020780026) is  24.08.2007
Opposition(s)20.09.2013No opposition filed within time limit [2013/48]
Fees paidRenewal fee
06.12.2007Renewal fee patent year 03
06.12.2007Renewal fee patent year 04
06.12.2007Renewal fee patent year 05
06.12.2007Renewal fee patent year 06
19.11.2008Renewal fee patent year 07
25.11.2009Renewal fee patent year 08
19.11.2010Renewal fee patent year 09
08.11.2011Renewal fee patent year 10
05.11.2012Renewal fee patent year 11
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Documents cited:Search[PX]  - YAMADA ET AL, "MICROSTRUCTURE AND MECHANICAL PROPERTIES OF B4C-CRB2 CERAMICS", KEY ENGINEERING MATERIALS, TRANS TECH PUBLICATIONS LTD., STAFA-ZURICH, CH, (20020215), vol. 206-213, ISSN 1013-9826, pages 811 - 814, XP009079304 [PX] 1-7 * Experimental; Results and Discussion, figures 3(b) & (c), Table 1 *
 [PA]  - YAMADA SUZUYA ET AL, "MECHANICAL PROPERTIES OF BORON CARBIDE CERAMICS", CERAMIC ENGINEERING AND SCIENCE PROCEEDINGS, COLUMBUS, US, (2001), ISSN 0196-6219, pages 215 - 220, XP009079326 [PA] 1-7 * the whole document *
 [PA]  - FRAGE ET AL, "THE EFFECT OF CR2O3 AND CRB2 ADDITIONS ON THE PRESSURELESS SINTERING OF B4C PREFORMS", SCIENCE OF SINTERING, YUGOSLAV ASSOCIATION FOR ETAN, BEOGRAD, YU, (2001), vol. 33, no. 3, ISSN 0350-820X, pages 149 - 158, XP009079303 [PA] 1-7 * the whole document *
by applicant   - YAMADA ET AL., CERAMIC ENGINEERING AND SCIENCE PROCEEDINGS, (2001), pages 215 - 220
    - FRAGE ET AL., SCIENCE OF SINTERING, (2001), vol. 33, pages 149 - 158
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.