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EP3621920
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EP About this file: EP3621920
| EP3621920 - PURIFICATION AND DRYING OF GRAPHENE OXIDE [Right-click to bookmark this link] | Status | Examination is in progress Status updated on 24.12.2021 Database last updated on 24.08.2024 | |
| Former | Request for examination was made Status updated on 14.02.2020 | ||
| Former | The international publication has been made Status updated on 09.11.2018 | Most recent event Tooltip | 28.05.2024 | New entry: Renewal fee paid | Applicant(s) | For all designated states The Regents of the University of California 1111 Franklin Street, 12th Floor Oakland, CA 94607 / US | [2020/12] | Inventor(s) | 01 /
KANER, Richard, B. 481 Almar Avenue Pacific Palisades, California 90272 / US | 02 /
KOWAL, Matthew 3414 Vinton Ave. Los Angeles, California 90034 / US | 03 /
JUN, Dukwoo 3130 Sawtelle Blvd Apt. 204 Los Angeles, California 90066 / US | [2020/12] | Representative(s) | Murgitroyd & Company 165-169 Scotland Street Glasgow G5 8PL / GB | [N/P] |
| Former [2020/12] | Hanna Moore + Curley Garryard House 25/26 Earlsfort Terrace Dublin 2, D02 PX51 / IE | Application number, filing date | 18794576.1 | 04.05.2018 | [2020/12] | WO2018US31149 | Priority number, date | US201762501999P | 05.05.2017 Original published format: US 201762501999 P | US201762509970P | 23.05.2017 Original published format: US 201762509970 P | [2020/12] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | WO2018204823 | Date: | 08.11.2018 | Language: | EN | [2018/45] | Type: | A1 Application with search report | No.: | EP3621920 | Date: | 18.03.2020 | Language: | EN | The application published by WIPO in one of the EPO official languages on 08.11.2018 takes the place of the publication of the European patent application. | [2020/12] | Search report(s) | International search report - published on: | US | 08.11.2018 | (Supplementary) European search report - dispatched on: | EP | 14.01.2021 | Classification | IPC: | C01B32/198, B01D61/14 | [2021/04] | CPC: |
C01B32/198 (EP,KR,US);
B01D21/262 (US);
B01D61/14 (EP,US);
B01D61/147 (US);
C01B32/196 (KR);
B01D2315/08 (EP,US);
B01D2315/10 (EP,US);
B82Y30/00 (EP,US);
B82Y40/00 (EP,US);
C01B2204/22 (KR);
C01B2204/32 (KR);
C01P2006/12 (EP,US);
C01P2006/40 (EP,US);
C01P2006/80 (EP,KR,US);
Y10S977/734 (EP,US);
Y10S977/845 (EP,US)
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| Former IPC [2020/12] | C01B32/182 | 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 [2020/12] | Title | German: | REINIGUNG UND TROCKNUNG VON GRAPHENOXID | [2020/12] | English: | PURIFICATION AND DRYING OF GRAPHENE OXIDE | [2020/12] | French: | PURIFICATION ET SÉCHAGE D'OXYDE DE GRAPHÈNE | [2020/12] | Entry into regional phase | 08.10.2019 | National basic fee paid | 08.10.2019 | Search fee paid | 08.10.2019 | Designation fee(s) paid | 08.10.2019 | Examination fee paid | Examination procedure | 08.10.2019 | Examination requested [2020/12] | 26.07.2021 | Amendment by applicant (claims and/or description) | 04.01.2022 | Despatch of a communication from the examining division (Time limit: M06) | 11.07.2022 | Reply to a communication from the examining division | Fees paid | Renewal fee | 27.05.2020 | Renewal fee patent year 03 | 27.05.2021 | Renewal fee patent year 04 | 27.05.2022 | Renewal fee patent year 05 | 30.05.2023 | Renewal fee patent year 06 | 28.05.2024 | Renewal fee patent year 07 |
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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 | [XI]WO2014179708 (UNIV RICE WILLIAM M [US]) [X] 1,2,7,12,14 * example 1.1 * [I] 6,8-11,13,15; | [XI]CN106006623 (SUNTAR MEMBRANE TECH (XIAMEN) CO LTD) [X] 1,2,7,11,12,14 * Embodiment 1-4; paragraph [0005] - paragraph [0014]; figures 1-7; claims 1-3 * [I] 6,8,9,13,15; | [XI]EP3081530 (SHENZHEN CANTONNET ENERGY SERVICES CO LTD [CN]) [X] 1,2,6-8,12,14 * examples 1, 2, 5, 6 * [I] 9-11,13,15; | [XI] - CHEN JI ET AL, "High-yield preparation of graphene oxide from small graphite flakes via an improved Hummers method with a simple purification process", CARBON, ELSEVIER OXFORD, GB, (20141020), vol. 81, doi:10.1016/J.CARBON.2014.10.033, ISSN 0008-6223, pages 826 - 834, XP029093059 [X] 1,2,7,12,14 * page 627, column r, paragraph 3 - page 628, column r, paragraph 1 * [I] 6,8-11,13,15 DOI: http://dx.doi.org/10.1016/j.carbon.2014.10.033 | [XI] - GABRIEL CERIOTTI ET AL, "Rapid method for the purification of graphene oxide", RSC ADVANCES, (20150101), vol. 5, no. 62, doi:10.1039/C5RA07604H, pages 50365 - 50371, XP055757430 [X] 1-5,12-14 * page 50366, column r, paragraph 2 - page 50367, column r, paragraph 2 * [I] 9-11,15 DOI: http://dx.doi.org/10.1039/C5RA07604H | International search | [A]US2010323177 (RUOFF RODNEY S [US], et al) [A] 1-23* ; entire document *; | [A]US9108158 (YU MIAO [US], et al) [A] 1-23 * ; entire document *; | [XY]US2016347617 (ZHANG LINDE [CN], et al) [X] 1-3, 8-20 * ; para [0021]-[0023], [0031]-[0033] * [Y] 4-7, 21-23; | [Y] - TOLLE et al., "Scale-up and purification of graphite oxide as intermediate for functionalized graphene", Carbon, (20140413), vol. 75, pages 432 - 442, XP028654097 [Y] 4-7 * Pg. 433, right col, para 3, pg. 434, left col, para 4, right col, para 1, pg. 438, Fig. 7 * DOI: http://dx.doi.org/10.1016/j.carbon.2014.04.022 | [Y] - MORIMOTO et al., "Tailoring the Oxygen Content of Graphite and Reduced Graphene Oxide for Specific Applications", Scientific Reports, (20160225), vol. 6, no. 1, pages 1 - 8, XP055550420 [Y] 21-23 * ; py. 2, para 4, pg. 4, (Figure 4; pg. 5, Figure. 6 * DOI: http://dx.doi.org/10.1038/srep21715 | by applicant | CN106006623 |