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EP4086375
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EP About this file: EP4086375
| EP4086375 - RECYCLED POLYESTER FILAMENT AND PREPARATION METHOD THEREFOR [Right-click to bookmark this link] | Status | The patent has been granted Status updated on 22.08.2025 Database last updated on 21.03.2026 | |
| Former | Grant of patent is intended Status updated on 27.05.2025 | ||
| Former | Request for examination was made Status updated on 07.10.2022 | ||
| Former | The international publication has been made Status updated on 10.07.2021 | Most recent event Tooltip | 30.01.2026 | Lapse of the patent in a contracting state New state(s): RS | published on 04.03.2026 [2026/10] | Applicant(s) | For all designated states Jiangsu Hengli Chemical Fibre Co., Ltd. No.1 Road Economic Development Zone of Nanma Shengze Town Wujiang Suzhou, Jiangsu 215226 / CN | [2022/45] | Inventor(s) | 01 /
FAN, Hongwei No.1 Hengli Road, Economic Development Zone Of Nanma, Shengze Town, Wujiang City Suzhou, Jiangsu 215226 / CN | 02 /
WANG, Shanshui No.1 Hengli Road, Economic Development Zone Of Nanma, Shengze Town, Wujiang City Suzhou, Jiangsu 215226 / CN | 03 /
WANG, Lili No.1 Hengli Road, Economic Development Zone Of Nanma, Shengze Town, Wujiang City Suzhou, Jiangsu 215226 / CN | 04 /
TANG, Fangming No.1 Hengli Road, Economic Development Zone Of Nanma, Shengze Town, Wujiang City Suzhou, Jiangsu 215226 / CN | [2022/45] | Representative(s) | Franks & Co Limited 15 Jessops Riverside Brightside Lane Sheffield S9 2RX / GB | [2022/45] | Application number, filing date | 20909279.0 | 12.06.2020 | [2022/45] | WO2020CN95729 | Priority number, date | CN201911410774 | 31.12.2019 Original published format: CN201911410774 | [2022/45] | Filing language | ZH | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | WO2021135085 | Date: | 08.07.2021 | Language: | ZH | [2021/27] | Type: | A1 Application with search report | No.: | EP4086375 | Date: | 09.11.2022 | Language: | EN | [2022/45] | Type: | B1 Patent specification | No.: | EP4086375 | Date: | 24.09.2025 | Language: | EN | [2025/39] | Search report(s) | International search report - published on: | CN | 08.07.2021 | (Supplementary) European search report - dispatched on: | EP | 11.03.2024 | Classification | IPC: | D01D5/08, D01D5/22, D01D5/16, D01F6/62, D01D10/02, D01D5/253 | [2025/17] | CPC: |
D01F6/62 (EP,CN,US);
D01D5/22 (EP,CN,US);
D01D10/02 (EP,CN);
D01D4/025 (US);
D01D5/08 (US);
D01D5/082 (EP);
D01D5/088 (US);
D01D5/16 (EP);
D01D5/253 (EP,CN,US);
|
| Former IPC [2024/15] | D01D5/22, D01D5/253, D01D10/02, D01F6/62, D01D5/16 | ||
| Former IPC [2022/45] | D01D5/22, D01D5/253, D01D10/02, D01F6/62 | 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, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR [2022/45]
| Extension states | BA | Not yet paid | ME | Not yet paid | Validation states | KH | Not yet paid | MA | Not yet paid | MD | Not yet paid | TN | Not yet paid | Title | German: | RECYCLIERTES POLYESTERFILAMENT UND VERFAHREN ZU SEINER HERSTELLUNG | [2022/45] | English: | RECYCLED POLYESTER FILAMENT AND PREPARATION METHOD THEREFOR | [2022/45] | French: | FILAMENT DE POLYESTER RECYCLÉ ET SON PROCÉDÉ DE PRÉPARATION | [2022/45] | Entry into regional phase | 24.06.2022 | Translation filed | 24.06.2022 | National basic fee paid | 24.06.2022 | Search fee paid | 24.06.2022 | Designation fee(s) paid | 24.06.2022 | Examination fee paid | Examination procedure | 24.06.2022 | Examination requested [2022/45] | 28.03.2024 | Date on which the examining division has become responsible | 19.09.2024 | Amendment by applicant (claims and/or description) | 28.05.2025 | Communication of intention to grant the patent | 14.08.2025 | Fee for grant paid | 14.08.2025 | Fee for publishing/printing paid | 14.08.2025 | Receipt of the translation of the claim(s) | Fees paid | Renewal fee | 24.06.2022 | Renewal fee patent year 03 | 27.06.2023 | Renewal fee patent year 04 | 18.06.2024 | Renewal fee patent year 05 | 26.06.2025 | Renewal fee patent year 06 |
| 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 Tooltip | HR | 24.09.2025 | NO | 24.12.2025 | RS | 24.12.2025 | GR | 25.12.2025 | [2026/10] |
| Former [2026/09] | HR | 24.09.2025 | |
| NO | 24.12.2025 | ||
| GR | 25.12.2025 | ||
| Former [2026/08] | HR | 24.09.2025 | |
| NO | 24.12.2025 | Documents cited: | Search | [Y] US5487859 (ANEJA ARUN P et al.) [Y] | [A] JPH0665837 (KANEBO LTD et al.) | [A] CN104357938 (NAT UNIV DONG HWA et al.) [A] 1-9 * claims 1,5,7-18 * * figures 1D,1F,4B,6B,7A-7C,16 * * column 15, lines 5-32 * * column 28, line 60 - column 29, line 15 * | [A] CN207435595 (ZHEJIANG HENGYI HI TECH MAT CO LTD et al.) [A] 1-9 * claims 1-3 * * figures 3-5 * | International search | [PX] CN111041571 (JIANGSU HENGLI CHEMICAL FIBRE CO LTD et al.) [PX] 1-9 * claims 1-9 * | [Y] CN103409832 (JIANGSU FEILIN FIBER TECHNOLOGY CO LTD et al.) [Y] 1-9 * description, specific embodiments, and figures 1-2 * | [Y] CN108035010 (JIANGSU HENGLI CHEMICAL FIBRE CO LTD et al.) [Y] 1-9 * description paragraphs 23-48, embodiment 1, figure 1 * | [A] JPH08232137 (UNITIKA LTD et al.) [A] 1-9 * entire document * | [A] CN203890514 (FUJIAN BILLON POLYMERIZATION FIBER TECHNOLOGY IND CO LTD et al.) [A] 1-9 * entire document * | [A] CN102277635 [A] 1-9 * entire document * | [A] CN102864516 (NINGBO DAFA CHEMICAL FIBER CO et al.) [A] 1-9 * entire document * | [A] CN105256398 (ZHEJIANG HENGYI HI TECH MATERIALS CO LTD et al.) [A] 1-9 * entire document * | [A] CN107130309 (JIANGYIN QINGFENG CHEMICAL FIBER CO LTD et al.) [A] 1-9 * entire document * |