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Extract from the Register of European Patents

EP About this file: EP3826744

EP3826744 - HIGH TEMPERATURE TOLERANT, MODIFIED CATIONIC STARCH-BASED ADDITIVES FOR WATER CLARIFICATION [Right-click to bookmark this link]
StatusRequest for examination was made
Status updated on  30.04.2021
Database last updated on 19.10.2024
FormerThe international publication has been made
Status updated on  01.02.2020
Most recent event   Tooltip24.07.2024New entry: Renewal fee paid 
Applicant(s)For all designated states
Baker Hughes Holdings LLC
17021 Aldine Westfield
Houston, TX 77073 / US
[2021/22]
Inventor(s)01 / TOMLA, Christabel
2508 Clay Street
Houston, TX 77003 / US
02 / JAKUBOWSKI, Wojciech
12250 S Kirkwood Apt 1437
Houston, TX 77477 / US
03 / THOMAS, Jason, J.
9019 23 Ave. SW
Edmonton, AB T6X 0Z9 / CA
 [2021/22]
Representative(s)Dehns
10 Old Bailey
London EC4M 7NG / GB
[N/P]
Former [2021/22]Dehns
St. Bride's House
10 Salisbury Square
London EC4Y 8JD / GB
Application number, filing date19841542.422.07.2019
[2021/22]
WO2019US42830
Priority number, dateUS201862702071P23.07.2018         Original published format: US 201862702071 P
US20191651724119.07.2019         Original published format: US201916517241
[2021/22]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2020023394
Date:30.01.2020
Language:EN
[2020/05]
Type: A1 Application with search report 
No.:EP3826744
Date:02.06.2021
Language:EN
The application published by WIPO in one of the EPO official languages on 30.01.2020 takes the place of the publication of the European patent application.
[2021/22]
Search report(s)International search report - published on:KR30.01.2020
(Supplementary) European search report - dispatched on:EP24.02.2022
ClassificationIPC:B01D17/04, B01D17/02, C10G33/04, C02F1/52, C02F1/40, C02F1/56, C02F103/10, C02F103/36, C08L3/08, C08L33/26
[2022/13]
CPC:
C10G33/04 (EP,US); B01D17/042 (EP); B01D17/047 (EP);
C02F1/40 (EP,US); C02F1/5263 (EP); C02F1/56 (EP);
C02F1/68 (US); C08L3/04 (US); C08L3/08 (EP);
C08L33/08 (US); C08L33/26 (EP,US); C02F2103/10 (EP);
C02F2103/365 (EP); C02F2209/06 (EP); C10G2300/80 (US) (-)
Former IPC [2021/22]B01D17/04, B01D17/02
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 [2021/22]
TitleGerman:HOCHTEMPERATURTOLERANTE MODIFIZIERTE ADDITIVE AUF DER BASIS VON KATIONISCHER STÄRKE ZUR WASSERKLÄRUNG[2021/22]
English:HIGH TEMPERATURE TOLERANT, MODIFIED CATIONIC STARCH-BASED ADDITIVES FOR WATER CLARIFICATION[2021/22]
French:ADDITIFS À BASE D'AMIDON CATIONIQUE MODIFIÉ TOLÉRANT AUX HAUTES TEMPÉRATURES POUR LA CLARIFICATION D'EAU[2021/22]
Entry into regional phase05.02.2021National basic fee paid 
05.02.2021Search fee paid 
05.02.2021Designation fee(s) paid 
05.02.2021Examination fee paid 
Examination procedure05.02.2021Examination requested  [2021/22]
27.04.2022Amendment by applicant (claims and/or description)
Fees paidRenewal fee
20.07.2021Renewal fee patent year 03
21.07.2022Renewal fee patent year 04
20.07.2023Renewal fee patent year 05
23.07.2024Renewal fee patent year 06
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Documents cited:Search[XI]US4088600  (TUTEIN THOMAS R, et al) [X] 11-15 * column 1, line 10 - column 3, line 45; table I * * claims 1-8 *[I] 1-10;
 [XI]US2016032197  (WEISNER ANTHONY [US]) [X] 11-15 * paragraph [0018] - paragraph [0044] * * examples 1-35 * [I] 1-10
International search[A]WO2004041732  (NORSK HYDRO AS [NO], et al) [A] 1-15* See the whole document. *;
 [X]WO2007047481  (AQUERO COMPANY LLC [US], et al) [X] 1-15 * See pages 3-11, 17-20, 73-74; claims 1-10, 15-32. *;
 [A]WO2010011867  (AQUERO COMPANY LLC [US], et al) [A] 1-15 * See the whole document. *;
 [X]WO2014127083  (BAKER HUGHES INC [US]) [X] 1,2,5,9,11 * See paragraphs [0019]-[0028]; claims 1-13. *;
 [A]US2016032197  (WEISNER ANTHONY [US]) [A] 1-15 * See the whole document. *
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.