Extract from the Register of European Patents

EP About this file: WO2025034846

WO2025034846 - SURFACTANTS FOR OIL AND GAS PRODUCTION [Right-click to bookmark this link]
StatusThe international publication has been made
Status updated on  15.02.2025
Database last updated on 08.04.2026
Formerunknown
Status updated on  13.09.2024
Most recent event   Tooltip10.03.2026PCT data prior to European publication 
Applicant(s)For all designated states
AdvanSix Resins & Chemicals LLC
300 Kimball Drive
Suite 101
Parsippany, New Jersey 07054 / US
[N/P]
Inventor(s)01 / ASIRVATHAM, Edward
Parsippany, New Jersey 07054 / US
02 / ANANTHAPADMANABHAN, Kavssery
Parsippany, New Jersey 07054 / US
03 / KUMARI, Harshita
Parsippany, New Jersey 07054 / US
04 / MITTAPALLI, Ramana
Parsippany, New Jersey 07054 / US
05 / PANIGRAHI, Suchitra
Parsippany, New Jersey 07054 / US
[N/P]
Representative(s)Crooks, Elizabeth Caroline, et al
Kilburn & Strode LLP
Lacon London
84 Theobalds Road
London WC1X 8NL / GB
[N/P]
Application number, filing date24765792.707.08.2024
WO2024US41272
Priority number, dateUS202363531213P07.08.2023         Original published format: US 202363531213 P
US20241879516005.08.2024         Original published format: US202418795160
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2025034846
Date:13.02.2025
Language:EN
[2025/07]
Search report(s)International search report - published on:EP13.02.2025
ClassificationIPC:C09K8/035, C09K8/38, C09K8/584, C09K8/594, C09K8/64, C09K8/68, C09K8/70, E21B43/16, E21B43/26
CPC:
C09K8/035 (EP); C09K8/38 (EP); C09K8/584 (EP);
C09K8/594 (EP); C09K8/64 (EP); C09K8/68 (EP);
C09K8/703 (EP); E21B43/16 (EP) (-)
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,   ME,   MK,   MT,   NL,   NO,   PL,   PT,   RO,   RS,   SE,   SI,   SK,   SM,   TR 
Extension statesBANot yet paid
Validation statesGENot yet paid
KHNot yet paid
MANot yet paid
MDNot yet paid
TNNot yet paid
TitleGerman:TENSIDE ZUR ÖL- UND GASHERSTELLUNG
English:SURFACTANTS FOR OIL AND GAS PRODUCTION
French:TENSIOACTIFS POUR LA PRODUCTION DE PÉTROLE ET DE GAZ
Entry into regional phase26.02.2026National basic fee paid 
26.02.2026Designation fee(s) paid 
26.02.2026Examination fee paid 
Cited inInternational search[X] WO2007075320  (BAUSCH & LOMB et al.)
 [A] WO2021138086  (ADVANSIX RESINS & CHEMICALS LLC et al.)
 [A] WO2022015673  (ADVANSIX RESINS & CHEMICALS LLC et al.)
 [A] WO2021183565  (ADVANSIX RESINS & CHEMICALS LLC et al.)
by applicantWO8701758
 US4432881
 US4615825
 US4725372
 US4735731
 CA1298697
 US5551516
 US5964295
 US5979
 US555
 US6232274
 US3301881
 US6403344
   P. ZHAO ET AL.: "Development of High-Performance Surfactants for Difficult Oils", SPE/DOE IMPROVED OIL RECOVERY SYMPOSIUM, TULSA, OKLA., April 2008 (2008-04-01), pages 113432
   R. F. LI ET AL.: "Foam Mobility Control for Surfactant Enhanced Oil Recovery", SPE 113910, SPE/DOE SYMPOSIUM ON 20 IMPROVED OIL RECOVERY, TULSA, OKLA., SPE JOURNAL, March 2010 (2010-03-01)
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