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EP3862377
European procedure
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EP About this file: EP3862377
| EP3862377 - PROCESS FOR PRODUCING POLYETHER CARBONATE POLYOLS [Right-click to bookmark this link] | Status | The application has been refused Status updated on 10.12.2021 Database last updated on 09.09.2024 | |
| Former | The application has been published Status updated on 09.07.2021 | Most recent event Tooltip | 10.12.2021 | Refusal of application | published on 12.01.2022 [2022/02] | Applicant(s) | For all designated states Covestro Deutschland AG Kaiser-Wilhelm-Allee 60 51373 Leverkusen / DE | [2021/32] | Representative(s) | Levpat c/o Covestro AG Gebäude 4825 51365 Leverkusen / DE | [2021/32] | Application number, filing date | 20155288.2 | 04.02.2020 | [2021/32] | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP3862377 | Date: | 11.08.2021 | Language: | DE | [2021/32] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 19.05.2020 | Classification | IPC: | C08G64/02, C08G64/30, C08G65/26 | [2021/32] | CPC: |
C08G65/2642 (EP);
C08G64/0208 (EP);
C08G64/305 (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 [2021/32] | 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: | VERFAHREN ZUR HERSTELLUNG VON POLYETHERCARBONATPOLYOLEN | [2021/32] | English: | PROCESS FOR PRODUCING POLYETHER CARBONATE POLYOLS | [2021/32] | French: | PROCÉDÉ DE FABRICATION DE POLYÉTHERCARBONATE POLYOLS | [2021/32] | Examination procedure | 18.08.2021 | Despatch of communication that the application is refused, reason: formalities examination [2022/02] | 28.08.2021 | Application refused, date of legal effect [2022/02] |
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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 | [XDYI] - ROBERT F. HARRIS, "Structural features of poly(alkylene ether carbonate) diol oligomers by capillary gas chromatography", JOURNAL OF APPLIED POLYMER SCIENCE, US, (19890105), vol. 37, no. 1, doi:10.1002/app.1989.070370114, ISSN 0021-8995, pages 183 - 200, XP055622074 [XD] 14 * table 1 * [Y] 1-13 [I] 15 DOI: http://dx.doi.org/10.1002/app.1989.070370114 | [Y] - STANISLAW SLOMKOWSKI ET AL, "Influence of Dibenzo-18-crown-6 Ether on the Kinetics of Anionic Polymerization of [beta]-Propiolactone", MACROMOLECULES, WASHINGTON, DC, UNITED STATES, (19760301), vol. 9, no. 2, doi:10.1021/ma60050a040, ISSN 0024-9297, pages 367 - 369, XP055692634 [Y] 1-15 * the whole document * DOI: http://dx.doi.org/10.1021/ma60050a040 | [Y] - STOLARZEWICZ A ET AL, "POTASSIUM HYDRIDE - THE NEW INITIATOR FOR ANIONIC POLYMERIZATION OF OXIRANES", MACROMOLECULAR RAPID COMMUNICATIONS, WILEY-VCH, DE, (19961101), vol. 17, no. 11, doi:10.1002/MARC.1996.030171106, ISSN 1022-1336, pages 787 - 793, XP000634324 [Y] 1-15 * the whole document * DOI: http://dx.doi.org/10.1002/marc.1996.030171106 | [Y] - GROBELNY ZBIGNIEW ET AL, "Ring-opening polymerization of monosubstituted oxiranes in the presence of potassium hydride: determination of initiation course and structure of macromolecules by MALDI-TOF mass spectrometry", JOURNAL OF POLYMER RESEARCH, SPRINGER NETHERLANDS, NL, vol. 26, no. 12, doi:10.1007/S10965-019-1943-X, ISSN 1022-9760, (20191120), (20191120), XP036956580 [Y] 1-15 * the whole document * DOI: http://dx.doi.org/10.1007/s10965-019-1943-x | [A] - PENGFEI GOU ET AL, "Kinetics and mechanism studies on scandium calix[6]arene complex initiating ring-opening polymerization of 2,2-dimethyltrimethylene carbonate", SCIENCE IN CHINA. SERIES B: CHEMISTRY, CN, (20071001), vol. 50, no. 5, doi:10.1007/s11426-007-0073-1, ISSN 1006-9291, pages 648 - 653, XP055692636 [A] 1-15 * the whole document * DOI: http://dx.doi.org/10.1007/s11426-007-0073-1 | [A] - KURAN W ET AL, "COPOLYMERISATION OF OXIRANES WITH DIOXOLANONES AS A NOVEL METHOD FOR SYNTHESIS OF POLY(ETHER CARBONATES)", INTERNATIONAL POLYMER SCIENCE AND TECHNOLOGY, RAPRA TECHNOLOGY, SHREWABURY, GB, (19940101), vol. 21, no. 3, ISSN 0307-174X, pages T/97 - T/101, XP000453793 [A] 1-15 * the whole document * | [A] - JAN BLANKENBURG ET AL, "Well-Defined Multi-Amino-Functional and Stimuli-Responsive Poly(propylene oxide) by Crown Ether Assisted Anionic Ring-Opening Polymerization", MACROMOLECULES, WASHINGTON, DC, UNITED STATES, (20171128), vol. 50, no. 22, doi:10.1021/acs.macromol.7b01324, ISSN 0024-9297, pages 8885 - 8893, XP055596543 [A] 1-15 * figure 2 * DOI: http://dx.doi.org/10.1021/acs.macromol.7b01324 | by applicant | EP0343572 | DE2523352 | DE1495299 | EP1359177 | - R.F. HARRIS, Journal of Applied Polymer Science, (19890000), vol. 37, pages 183 - 200 |