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EP4495064
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EP About this file: EP4495064
| EP4495064 - SILICON NITRIDE POWDER AND METHOD FOR PRODUCING SILICON NITRIDE SINTERED BODY [Right-click to bookmark this link] | Status | Request for examination was made Status updated on 20.12.2024 Database last updated on 28.03.2026 | |
| Former | The international publication has been made Status updated on 22.09.2023 | Most recent event Tooltip | 27.03.2026 | Change - classification | published on 29.04.2026 [2026/18] | 27.03.2026 | Change - classification | published on 29.04.2026 [2026/18] | Applicant(s) | For all designated states UBE Corporation 1978-96, Oaza Kogushi Ube-shi, Yamaguchi 755-8633 / JP | [2025/04] | Inventor(s) | 01 /
OHMARU, Takuji Ube-shi, Yamaguchi 755-8633 / JP | 02 /
SHIBATA, Koji Ube-shi, Yamaguchi 755-8633 / JP | 03 /
FUJII, Takayuki Ube-shi, Yamaguchi 755-8633 / JP | 04 /
YAMADA, Tetsuo Tokyo 105-8449 / JP | [2025/04] | Representative(s) | Plougmann Vingtoft a/s Strandvejen 70 2900 Hellerup / DK | [2025/04] | Application number, filing date | 23770842.5 | 15.03.2023 | [2025/04] | WO2023JP10102 | Priority number, date | JP20220044673 | 18.03.2022 Original published format: JP 2022044673 | [2025/04] | Filing language | JA | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | WO2023176889 | Date: | 21.09.2023 | Language: | JA | [2023/38] | Type: | A1 Application with search report | No.: | EP4495064 | Date: | 22.01.2025 | Language: | EN | [2025/04] | Search report(s) | International search report - published on: | JP | 21.09.2023 | Classification | IPC: | C01B21/068, C04B35/587, C04B35/593 | [2026/18] | CPC: |
C01B21/068 (EP);
C04B35/587 (EP);
C04B35/593 (EP);
C01P2006/12 (EP);
C04B2235/3206 (EP);
C04B2235/3217 (EP);
C04B2235/3224 (EP);
C04B2235/3225 (EP);
C04B2235/5409 (EP);
C04B2235/5445 (EP);
C04B2235/5463 (EP);
C04B2235/6562 (EP);
C04B2235/6567 (EP);
C04B2235/6586 (EP);
C04B2235/721 (EP);
C04B2235/723 (EP);
C04B2235/724 (EP);
C04B2235/77 (EP);
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| Former IPC [2025/04] | C01B21/068, C04B35/587 | Designated contracting states | AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LI, LT, LU, LV, MC, ME, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR [2025/04] | Title | German: | SILICIUMNITRIDPULVER UND VERFAHREN ZUR HERSTELLUNG EINES SILICIUMNITRIDSINTERKÖRPERS | [2025/04] | English: | SILICON NITRIDE POWDER AND METHOD FOR PRODUCING SILICON NITRIDE SINTERED BODY | [2025/04] | French: | POUDRE DE NITRURE DE SILICIUM ET MÉTHODE POUR PRODUIRE UN CORPS FRITTÉ DE NITRURE DE SILICIUM | [2025/04] | Entry into regional phase | 05.09.2024 | Translation filed | 05.09.2024 | National basic fee paid | 05.09.2024 | Search fee paid | 05.09.2024 | Designation fee(s) paid | 05.09.2024 | Examination fee paid | Examination procedure | 05.09.2024 | Amendment by applicant (claims and/or description) | 05.09.2024 | Examination requested [2025/04] | Fees paid | Renewal fee | 28.01.2025 | Renewal fee patent year 03 | 28.01.2026 | Renewal fee patent year 04 |
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| 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 | [A] JPH08119609 (UBE INDUSTRIES et al.) [A] 1-8 * paragraphs [0012] - [0026]; table 3 * | [A] JPH07206409 (DENKI KAGAKU KOGYO KK et al.) [A] 1-8 * paragraphs [0025] - [0071]; examples 26-27; tables 2,11 * | [A] EP3020686 (UBE INDUSTRIES et al.) [A] 1-8 * paragraphs [0022] - [0072]; example 20; table 1 * | [A] EP2832687 (UBE INDUSTRIES et al.) [A] 1-8 * paragraphs [0009] - [0077]; example 2; table 2 * | International search | [YAX] JPH07206409 (DENKI KAGAKU KOGYO KK et al.) [Y] 6 * paragraph [0018] *[A] 2, 7 [X] 1, 3-6, 8 | [YAX] WO2015005390 (UBE INDUSTRIES et al.) [Y] 6 [A] 2-3 [X] 1, 4-5, 7-8 | [YAX] WO2013146713 (UBE INDUSTRIES et al.) [Y] 6 [A] 2-3 [X] 1, 4-5, 8 | [YAX] JPH08119609 (UBE INDUSTRIES et al.) [Y] 6 [A] 2, 7 [X] 1, 3-5, 8 | [YAX] JPH0812306 (UBE INDUSTRIES et al.) [Y] 6 [A] 2 [X] 1, 3-5, 7-8 | by applicant | JPH07206409 | JP2009231388 | JPH087441 | JP2004329404 | WO2013146713 | WO2021200830 | G.P. GAZZARAD.P. MESSIER, AM. CERAM. SOC. BULL., vol. 56, no. 9, 1977, pages 777 - 80 |