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Extract from the Register of European Patents

EP About this file: EP4059890

EP4059890 - LACTIC ACID ADSORPTION AGENT AND METHOD FOR REMOVING LACTIC ACID [Right-click to bookmark this link]
StatusRequest for examination was made
Status updated on  19.08.2022
Database last updated on 07.10.2024
FormerThe international publication has been made
Status updated on  21.05.2021
Most recent event   Tooltip20.06.2024The date on which the examining division becomes responsible, has been established 
20.06.2024Amendment by applicant 
Applicant(s)For all designated states
Nikkiso Co., Ltd.
20-3, Ebisu 4-chome
Shibuya-ku
Tokyo 150-6022 / JP
For all designated states
Tohoku University
2-1-1 Katahira
Aoba-ku
Sendai-shi, Miyagi 980-8577 / JP
[2022/38]
Inventor(s)01 / YOSHIOKA Toshiaki
c/o TOHOKU UNIVERSITY, 2-1-1, Katahira, Aoba-ku
Sendai-shi Miyagi 980-8577 / JP
02 / KAMEDA Tomohito
c/o TOHOKU UNIVERSITY, 2-1-1, Katahira, Aoba-ku
Sendai-shi Miyagi 980-8577 / JP
03 / KITAGAWA Fumihiko
c/o Nikkiso Co., Ltd., Kanazawa Plant, 3-1,
Hokuyohdai
Kanazawa-shi Ishikawa 920-0177 / JP
04 / JIMBO, Yoichi
c/o Nikkiso Co., Ltd., Kanazawa Plant, 3-1,
Hokuyohdai
Kanazawa-shi Ishikawa 920-0177 / JP
05 / KONDO Masayuki
c/o Nikkiso Co., Ltd., Kanazawa Plant, 3-1,
Hokuyohdai
Kanazawa-shi Ishikawa 920-0177 / JP
 [2022/38]
Representative(s)Algemeen Octrooi- en Merkenbureau B.V.
P.O. Box 645
5600 AP Eindhoven / NL
[2022/38]
Application number, filing date20887893.409.11.2020
[2022/38]
WO2020JP41748
Priority number, dateJP2019020542613.11.2019         Original published format: JP 2019205426
[2022/38]
Filing languageJA
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2021095691
Date:20.05.2021
Language:JA
[2021/20]
Type: A1 Application with search report 
No.:EP4059890
Date:21.09.2022
Language:EN
[2022/38]
Search report(s)International search report - published on:JP20.05.2021
(Supplementary) European search report - dispatched on:EP04.12.2023
ClassificationIPC:C01F7/00, C12M3/00, B01J20/04, C12N5/071, B01J20/08, B01J20/30, C12M1/00, C12M1/34, B01J20/28, B01D15/36, C01F7/784, C12M1/12
[2024/01]
CPC:
C12M25/02 (EP); B01J20/041 (EP,US); B01D15/363 (EP,US);
B01J20/08 (EP); B01J20/2803 (EP); B01J20/30 (EP);
B01J47/014 (US); C01F7/00 (EP); C01F7/784 (EP);
C01G3/00 (EP); C01G53/00 (EP); C12M23/08 (EP);
B01D2257/70 (US); C01P2002/22 (EP) (-)
Former IPC [2022/38]C01F7/00, C12M3/00, C12N5/071, B01J20/08
Designated contracting statesAL,   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 [2022/38]
TitleGerman:MILCHSÄUREADSORBER UND VERFAHREN ZUR ENTFERNUNG VON MILCHSÄURE[2022/38]
English:LACTIC ACID ADSORPTION AGENT AND METHOD FOR REMOVING LACTIC ACID[2022/38]
French:AGENT D'ADSORPTION D'ACIDE LACTIQUE ET PROCÉDÉ D'ÉLIMINATION D'ACIDE LACTIQUE[2022/38]
Entry into regional phase07.06.2022Translation filed 
07.06.2022National basic fee paid 
07.06.2022Search fee paid 
07.06.2022Designation fee(s) paid 
07.06.2022Examination fee paid 
Examination procedure16.08.2021Request for preliminary examination filed
International Preliminary Examining Authority: JP
07.06.2022Examination requested  [2022/38]
20.06.2024Amendment by applicant (claims and/or description)
20.06.2024Date on which the examining division has become responsible
Fees paidRenewal fee
24.11.2022Renewal fee patent year 03
24.11.2023Renewal 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.
Documents cited:Search[E]EP3848115  (NIKKISO CO LTD [JP], et al) [E] 1-4 * claims 1,2,3,7 * * paragraph [0064] - paragraph [0069] * * figure 4 * * paragraph [0018] - paragraph [0021] *;
 [X]  - LALIKOGLU MELISA ET AL, "Investigation of Lactic Acid Separation by Layered Double Hydroxide: Equilibrium, Kinetics, and Thermodynamics", JOURNAL OF CHEMICAL AND ENGINEERING DATA., US, (20151103), vol. 60, no. 11, doi:10.1021/acs.jced.5b00324, ISSN 0021-9568, pages 3159 - 3165, XP055913160 [X] 1-4 * 2. Materials and Methods; page 3160, column l * * 3. Experimental Section; page 3160, column l * * tables 1-3 * * Introduction; page 3159 *

DOI:   http://dx.doi.org/10.1021/acs.jced.5b00324
 [X]  - S. RADHA ET AL, "Energetics of CO 2 Adsorption on Mg-Al Layered Double Hydroxides and Related Mixed Metal Oxides", THE JOURNAL OF PHYSICAL CHEMISTRY C, US, (20141203), vol. 118, no. 51, doi:10.1021/jp508678k, ISSN 1932-7447, pages 29836 - 29844, XP055714889 [X] 1,2 * abstract * * Experimental Methods, Synthesis; page 29837 * * table 1 *

DOI:   http://dx.doi.org/10.1021/jp508678k
 [X]  - KAMEDA TOMOHITO ET AL, "New treatment method for boron in aqueous solutions using Mg-Al layered double hydroxide: Kinetics and equilibrium studies", JOURNAL OF HAZARDOUS MATERIALS, AMSTERDAM, NL, (20150801), vol. 293, doi:10.1016/j.jhazmat.2015.03.015, ISSN 0304-3894, pages 54 - 63, XP093103622 [X] 1,2 * abstract * * 2. Experimental, 2.1. Preparation of Mg-Al LDH intercalated with NO3- or Cl-; page 55 * * table 1 * * 3. Results and Discussion, 3.1. Preparation of Mg-Al LDH intercalated with NO3- or Cl-; page 57 *

DOI:   http://dx.doi.org/10.1016/j.jhazmat.2015.03.015
 [T]  - KAMEDA TOMOHITO ET AL, "Lactate adsorption by layered double hydroxides in aqueous solution and cell culture medium", COLLOIDS AND SURFACES A : PHYSIOCHEMICAL AND ENGINEERINGS ASPECTS, ELSEVIER, AMSTERDAM, NL, vol. 612, doi:10.1016/J.COLSURFA.2020.125975, ISSN 0927-7757, (20201211), (20201211), XP086472663 [T] 1-4

DOI:   http://dx.doi.org/10.1016/j.colsurfa.2020.125975
International search[YA]JPS58214338  (KYOWA KAGAKU KOGYO KK) [Y] 1-3, 5 * page 3, lower right column, line 11 to page 4, upper left column, line 1, page 4, lower left column, lines 5-9 * [A] 4;
 [A]JP2009178682  (NAT INST OF ADV IND & TECHNOL, et al) [A] 1-5 * entire text, all drawings *;
 [YA]JP2016036804  (KANAZAWA INST OF TECHNOLOGY, et al) [Y] 1-3, 5 * paragraphs [0023]-[0050], table 2 * [A] 4;
 [PA]WO2020050068  (NIKKISO CO LTD [JP], et al) [PA] 1-5 * entire text, all drawings *;
 [PA]CN111001375  (UNIV FUJIAN TECHNOLOGY) [PA] 1-5 * entire text, all drawings *;
 [PA]JP2020184979  (NIKKISO CO LTD, et al) [PA] 1-5* entire text, all drawings *
by applicantWO2015122528
The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.