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EP4243961
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EP About this file: EP4243961
| EP4243961 - TWO STEP AMINE ABSORPTION PROCESS FOR REMOVAL CO2/H2S FROM BIOGAS [Right-click to bookmark this link] | Status | Request for examination was made Status updated on 18.08.2023 Database last updated on 02.11.2024 | |
| Former | The international publication has been made Status updated on 21.05.2022 | ||
| Former | unknown Status updated on 26.11.2021 | Most recent event Tooltip | 30.09.2024 | New entry: Renewal fee paid | Applicant(s) | For all designated states Airco Process Technology A/S Prins Georgs Kvarter 1 Snoghøj 7000 Fredericia / DK | [2023/38] | Inventor(s) | 01 /
FIND, Rasmus 7100 Vejle / DK | [2023/38] | Representative(s) | AWA Denmark A/S Strandgade 56 1401 Copenhagen K / DK | [2023/38] | Application number, filing date | 21807133.0 | 16.11.2021 | [2023/38] | WO2021EP81882 | Priority number, date | EP20200207834 | 16.11.2020 Original published format: EP 20207834 | [2023/38] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | WO2022101509 | Date: | 19.05.2022 | Language: | EN | [2022/20] | Type: | A1 Application with search report | No.: | EP4243961 | Date: | 20.09.2023 | Language: | EN | The application published by WIPO in one of the EPO official languages on 19.05.2022 takes the place of the publication of the European patent application. | [2023/38] | Search report(s) | International search report - published on: | EP | 19.05.2022 | Classification | IPC: | B01D53/14 | [2023/38] | CPC: |
B01D53/1406 (EP,US);
B01D53/1425 (US);
B01D53/1462 (US);
B01D53/1468 (EP);
B01D53/1475 (EP);
B01D53/1493 (EP);
B01D53/526 (US);
B01D53/62 (US);
B01D53/78 (US);
B01D53/96 (US);
C10L3/103 (US);
C10L3/104 (US);
B01D2252/20405 (US);
B01D2252/20421 (US);
B01D2252/20431 (US);
B01D2252/20478 (EP);
B01D2252/20484 (US);
B01D2252/20489 (US);
B01D2256/245 (EP,US);
B01D2257/304 (US);
B01D2257/504 (US);
| 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 [2023/38] | Title | German: | ZWEISTUFIGES AMINABSORPTIONSVERFAHREN ZUR ENTFERNUNG VON CO2/H2S AUS BIOGAS | [2023/38] | English: | TWO STEP AMINE ABSORPTION PROCESS FOR REMOVAL CO2/H2S FROM BIOGAS | [2023/38] | French: | PROCÉDÉ D'ABSORPTION D'AMINE EN DEUX ÉTAPES POUR ÉLIMINER LE CO2/H2S D'UN BIOGAZ | [2023/38] | Entry into regional phase | 09.06.2023 | National basic fee paid | 09.06.2023 | Designation fee(s) paid | 09.06.2023 | Examination fee paid | Examination procedure | 09.06.2023 | Examination requested [2023/38] | 09.06.2023 | Date on which the examining division has become responsible | 14.12.2023 | Amendment by applicant (claims and/or description) | Fees paid | Renewal fee | 12.10.2023 | Renewal fee patent year 03 | 30.09.2024 | Renewal fee patent year 04 |
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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]US4557911 (GODDIN JR CLIFTON S [US], et al) [X] 1-6,9-14,20-23,25-27 * see, in particular, figure 3 items 4,8,10,12 for two step absorption and items 23,70,72,122,94 and 102 for regeneration and recycle of absorbent; see also table 1 : P(2)=50 psia; P(16)= 292 psia; see table 3 compressor (item 8). * [Y] 1-27; | [Y]US2004060334 (PALMER GARY [CA]) [Y] 1-27 * see figures 5 and 6 sour gas into first absorber 20 and acid gas 16 compressed by compressor 46 into second absorber 30; also figure 7 sour gas to first (high pressure) absorber 20 and recycled acid gas compressed into second absorber and recycled acid gas compressed into third absorber *; | [A]US2007006731 (MENZEL JOHANNES [DE]) [A] 1-27* see, in particular, first absorbent column 2; second absorbent column 13 *; | [A] - AROONWILAS ADISORN ET AL, "Mass Transfer Coefficients and Correlation for CO 2 Absorption into 2-Amino-2-methyl-1-propanol (AMP) Using Structured Packing", IND. ENG. CHEM. RES., (19981231), vol. 37, pages 569 - 575, XP055774688 [A] 1-27 * see, in particular, figure 2 and page 571, right column , last 8 lines. * | [A] - ISA F. ET AL, "An overview on CO 2 removal via absorption: Effect of elevated pressures in counter-current packed column", JOURNAL OF NATURAL GAS SCIENCE AND ENGINEERING, AMSTERDAM, NL, (20160701), vol. 33, doi:10.1016/j.jngse.2016.06.003, ISSN 1875-5100, pages 666 - 677, XP055774770 [A] 1-27 * see, in particular, table 4 , left column, pressure (bar). * DOI: http://dx.doi.org/10.1016/j.jngse.2016.06.003 | [A] - ABDUL HALIM HAIRUL N. ET AL, "Mass Transfer Performance of CO 2 Absorption from Natural Gas using Monoethanolamine (MEA) in High Pressure Operations", vol. 54, no. 5, doi:10.1021/ie504024m, ISSN 0888-5885, (20150202), pages 1675 - 1680, INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, URL: https://pubs.acs.org/doi/pdf/10.1021/ie504024m, XP055774669 [A] 1-27 * see, in particular table 1 pressure data and table 2 pressure data * DOI: http://dx.doi.org/10.1021/ie504024m | [A] - AROONWILAS A ET AL, "High-efficiency structured packing for CO2 separation using 2-amino-2-methyl-1-propanol (AMP)", SEPARATION AND PURIFICATION TECHNOLOGY, (19970101), vol. 12, pages 67 - 79, XP055774692 [A] 1-27 * see in particular figure 4 and point 5.1 "Effect of CO2 partial pressure" * | by applicant | DE102009056660 |