Extract from the Register of European Patents

EP About this file: EP4448627

EP4448627 - CELLULAR NATURAL RUBBER ARTICLES [Right-click to bookmark this link]
StatusRequest for examination was made
Status updated on  20.09.2024
Database last updated on 28.03.2026
FormerThe international publication has been made
Status updated on  24.06.2023
Most recent event   Tooltip18.12.2025New entry: Renewal fee paid 
Applicant(s)For all designated states
Bridgestone Americas Tire Operations, LLC
200 4th Avenue South
Nashville, TN 37201 / US
[2024/43]
Inventor(s)01 / YUAN, Dian
Peninsula, OH 44264 / US
02 / KAYASHIMA, Kentaro
Copley, OH 44321 / US
03 / GRIEBEL, Jared J.
Orange, OH 44022 / US
04 / KOZMINSKI, Piotr
Akron, OH 44313 / US
05 / HUANG, Yingyi
Hudson, OH 44236 / US
 [2024/43]
Representative(s)Marks & Clerk LLP
15 Fetter Lane
London EC4A 1BW / GB
[2024/43]
Application number, filing date22908701.015.12.2022
[2024/43]
WO2022US81651
Priority number, dateUS202163289899P15.12.2021         Original published format: US 202163289899 P
[2024/43]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2023114907
Date:22.06.2023
Language:EN
[2023/25]
Type: A1 Application with search report 
No.:EP4448627
Date:23.10.2024
Language:EN
The application published by WIPO in one of the EPO official languages on 22.06.2023 takes the place of the publication of the European patent application.
[2024/43]
Search report(s)International search report - published on:KR22.06.2023
(Supplementary) European search report - dispatched on:EP25.11.2025
ClassificationIPC:C08J9/06, C08J9/28, C08J9/00, C08L7/00, C08L9/00
[2024/43]
CPC:
C08J9/103 (EP,US); C08L7/00 (US); C08J2201/022 (EP);
C08J2201/024 (EP); C08J2201/026 (EP); C08J2203/04 (EP,US);
C08J2307/00 (EP,US); C08L2203/14 (US) (-)
Designated contracting statesAL,   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 [2024/43]
TitleGerman:ZELLENFÖRMIGE NATURGUMMIARTIKEL[2024/43]
English:CELLULAR NATURAL RUBBER ARTICLES[2024/43]
French:ARTICLES CELLULAIRES EN CAOUTCHOUC NATUREL[2024/43]
Entry into regional phase09.07.2024National basic fee paid 
09.07.2024Search fee paid 
09.07.2024Designation fee(s) paid 
09.07.2024Examination fee paid 
Examination procedure09.07.2024Examination requested  [2024/43]
Fees paidRenewal fee
19.12.2024Renewal fee patent year 03
17.12.2025Renewal fee patent year 04
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Documents cited:Search[XY] US2002120024  (KOFFLER ADAM J et al.) [X] 15 * paragraphs [0104] - [0105] - [ 108] - [0113]; claims 1, 4-5, 64-66 *[Y] 1-14
 [XY] US2003078309  (KOFFLER ADAM J et al.) [X] 15 * paragraphs [0006] - [0010] - [0 19] - [0020] - [0 45] , [0 53] - [0057]; example 1 *[Y] 1-14
 [Y] CN103205001  (YIWEIYI MATERIALS RES INST CO LTD et al.) [Y] 1-14 * examples 1-6; claim 1 *
International search[A] CN103012871  (NAT ENGINEERING RES CT FOR COMPOUNDING AND MODIFICATION OF POLYMER MATERIAL et al.) [A] 1-3,15 * claims 1-5 *
 [A] JP2010042896  (SYNZTEC CO LTD et al.) [A] 1-3,15 * paragraphs [0046], [0049], [0050] *
 [A] US2021146661  (ZHANG ZHENG et al.) [A] 1-3,15 * claims 1-10 *
 [A]   ARIFF ZULKIFLI MOHAMAD, AFOLABI LUKMON OWOLABI, SALMAZO LEANDRA OLIVEIRA, RODRIGUEZ-PEREZ MIGUEL ANGEL: "Effectiveness of microwave processing approach and green blowing agents usage in foaming natural rubber", JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY, ELSEVIER EDITORA LTDA, BR, vol. 9, no. 5, 1 September 2020 (2020-09-01), BR , pages 9929 - 9940, XP093072365, ISSN: 2238-7854, DOI: 10.1016/j.jmrt.2020.06.096 [A] 1-3,15 * abstract; page 9931 *

DOI:   http://dx.doi.org/10.1016/j.jmrt.2020.06.096
 [A]   BAYAT HOSSEIN, FASIHI MOHAMMAD, ZARE YASSER, RHEE KYONG YOP: "An experimental study on one-step and two-step foaming of natural rubber/silica nanocomposites", NANOTECHNOLOGY REVIEWS, vol. 9, no. 1, 1 January 2020 (2020-01-01), pages 427 - 435, XP093072367, DOI: 10.1515/ntrev-2020-0032 [A] 1-3,15 * abstract; page 428 *

DOI:   http://dx.doi.org/10.1515/ntrev-2020-0032
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