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EP3962958
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EP About this file: EP3962958
| EP3962958 - PROCESS FOR PRODUCING A CROSSLINKED CELLULOSE ETHER [Right-click to bookmark this link] | Status | Request for examination was made Status updated on 04.02.2022 Database last updated on 19.07.2024 | |
| Former | The international publication has been made Status updated on 06.11.2020 | ||
| Former | unknown Status updated on 16.05.2020 | Most recent event Tooltip | 13.03.2024 | New entry: Renewal fee paid | Applicant(s) | For all designated states Dow Global Technologies LLC 2211 H.H. Dow Way Midland, MI 48674 / US | [2022/10] | Inventor(s) | 01 /
HILD, Alexandra August-Wolff-Str. 13 29699 Bomlitz / DE | 02 /
NEUBAUER, Joerg August-Wolff-Strasse 13 29699 Bomlitz / DE | 03 /
SCHMIDT, Steffen August-Wolff-Strasse 13 29699 Bomlitz / DE | 04 /
BAUMANN, Robert Bachtobelstrasse 3 8810 Horgen / CH | [2022/10] | Representative(s) | Beck Greener LLP Fulwood House 12 Fulwood Place London WC1V 6HR / GB | [2022/10] | Application number, filing date | 20724345.2 | 17.04.2020 | [2022/10] | WO2020US28677 | Priority number, date | US201962841391P | 01.05.2019 Original published format: US 201962841391 P | [2022/10] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | WO2020223040 | Date: | 05.11.2020 | Language: | EN | [2020/45] | Type: | A1 Application with search report | No.: | EP3962958 | Date: | 09.03.2022 | Language: | EN | The application published by WIPO in one of the EPO official languages on 05.11.2020 takes the place of the publication of the European patent application. | [2022/10] | Search report(s) | International search report - published on: | EP | 05.11.2020 | Classification | IPC: | C08B11/02, C08B11/08, C08B15/00 | [2022/10] | CPC: |
C08B15/005 (EP,KR,US);
C04B24/383 (EP,KR);
C04B24/386 (US);
C04B28/02 (EP,KR);
C04B28/14 (EP,KR);
C04B40/0608 (KR);
C08B11/02 (EP,KR);
C08B11/08 (EP,KR);
C08B11/20 (KR);
C04B2103/0062 (KR)
(-)
| C-Set: |
C04B24/383, C04B20/023 (EP);
C04B24/383, C04B2103/0062 (EP);
C04B28/02, C04B24/383, C04B40/0608 (EP);
C04B28/14, C04B24/383, C04B40/0608 (EP) | 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 [2022/10] | Title | German: | VERFAHREN ZUR HERSTELLUNG EINES VERNETZTEN CELLULOSEETHERS | [2022/10] | English: | PROCESS FOR PRODUCING A CROSSLINKED CELLULOSE ETHER | [2022/10] | French: | PROCÉDÉ DE PRODUCTION D'ÉTHER DE CELLULOSE RÉTICULÉ | [2022/10] | Entry into regional phase | 22.11.2021 | National basic fee paid | 22.11.2021 | Designation fee(s) paid | 22.11.2021 | Examination fee paid | Examination procedure | 22.11.2021 | Examination requested [2022/10] | 22.11.2021 | Date on which the examining division has become responsible | 01.04.2022 | Amendment by applicant (claims and/or description) | Fees paid | Renewal fee | 20.03.2022 | Renewal fee patent year 03 | 14.03.2023 | Renewal fee patent year 04 | 13.03.2024 | Renewal fee patent year 05 |
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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. | Cited in | International search | [XY]US4068068 (HOLST ARNO, et al) [X] 1-3,5,6,10-14 * example -; claim - * [Y] 4,7-9; | [XY]US4175183 (AYERS JOHN S [GB]) [X] 14 * example -; claim - *[Y] 4,7-9; | [XY]US2005034636 (SCHLESIGER HARTWIG [DE], et al) [X] 14,15 * paragraphs [0031] - [0036] - [0108]; claim - * [Y] 4,7-9; | [XDY]US6958393 (SCHLESIGER HARTWIG [DE], et al) [XD] 14 * example - * [Y] 4,7-9; | [XY]WO2009127605 (AKZO NOBEL NV [NL], et al) [X] 1-3,5,6,10-14 * example -; claim - * [Y] 4,7-9; | [XY]WO2015165588 (BORREGAARD AS [NO]) [X] 14 * example - * [Y] 4,7-9; | [XY]WO2017004119 (DOW GLOBAL TECHNOLOGIES LLC [US]) [X] 14,15 * example -; table - * [Y] 4,7-9; | [XY]WO2017004120 (DOW GLOBAL TECHNOLOGIES LLC [US]) [X] 14,15 * example -; table - * [Y] 4,7-9 | by applicant | US6235893 | US6958393 | EP1384727 | - G. BARTELMUSR. KETTERER, Z. Anal. Chem., (19770000), vol. 286, pages 161 - 190 | - EUGENE W. JONES, "Crosslinking of Cotton Cellulose with Diglycidyl Ether", Journal of Applied polymer science, (19610000), vol. V, no. 18, pages 714 - 720 | - R. DONGES, "Non-Ionic cellulose Ethers", British Polymer Journal, (19900000), vol. 23, pages 315 - 326 |