(19)
(11) EP 4 824 853 A1

(12)

(43) Date of publication:
21.10.2026 Bulletin 2026/43

(21) Application number: 24827308.8

(22) Date of filing: 21.11.2024
(51) International Patent Classification (IPC): 
H01J 49/16(2006.01)
H01J 49/04(2006.01)
(52) Cooperative Patent Classification (CPC):
H01J 49/0445; H01J 49/167; G01N 30/7266; G01N 2030/8831; G01N 30/88
(86) International application number:
PCT/US2024/056807
(87) International publication number:
WO 2025/128303 (19.06.2025 Gazette 2025/25)
(84) 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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA
Designated Validation States:
GE KH MA MD TN

(30) Priority: 15.12.2023 US 202363610622 P

(71) Applicant: Dionex Corporation
Sunnyvale, CA 94085 (US)

(72) Inventors:
  • ROBSON, Brandon Howard
    Sunnyvale, California 94085 (US)
  • SUN, Xuefei
    Sunnyvale, California 94085 (US)
  • PETERMAN, James
    Sunnyvale, California 94085 (US)
  • MEDLIN, Carla Marie
    Sunnyvale, California 94085 (US)

(74) Representative: Boult Wade Tennant LLP 
Salisbury Square House 8 Salisbury Square
London EC4Y 8AP
London EC4Y 8AP (GB)

   


(54) REPLACEABLE ELECTROSPRAY EMITTER SYSTEM FOR LIQUID SEPARATION AND ELECTROSPRAY IONIZATION