(19)
(11) EP 4 572 621 A1

(12)

(43) Date of publication:
25.06.2025 Bulletin 2025/26

(21) Application number: 23787284.1

(22) Date of filing: 19.09.2023
(51) International Patent Classification (IPC): 
A24F 40/40(2020.01)
A24F 40/46(2020.01)
(52) Cooperative Patent Classification (CPC):
A24F 40/40; A24F 40/46; A24F 40/20; A24F 40/51; A24F 40/42; A24F 40/70; A24B 15/186
(86) International application number:
PCT/US2023/074559
(87) International publication number:
WO 2024/064667 (28.03.2024 Gazette 2024/13)
(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:
KH MA MD TN

(30) Priority: 19.09.2022 US 202263407927 P
07.11.2022 US 202217982138

(71) Applicant: Altria Client Services LLC
Richmond, Virginia 23230 (US)

(72) Inventors:
  • BLACKMON, Zack W.
    Richmond, Virginia 23219 (US)
  • KEEN, Jarrett
    Richmond, Virginia 23219 (US)
  • LAU, Raymond W.
    Richmond, Virginia 23219 (US)
  • HAWES, Eric
    Richmond, Virginia 23219 (US)
  • TWITE, Dean
    Richmond, Virginia 23219 (US)
  • MCGINLEY, Ryan
    Richmond, Virginia 23219 (US)
  • SUNDAR, Rangaraj S.
    Richmond, Virginia 23219 (US)
  • TRAN, Thomas
    Richmond, Virginia 23219 (US)
  • HOURMAND, Yannick
    Richmond, Virginia 23219 (US)
  • BROADFIELD, Gary
    Richmond, Virginia 23219 (US)

(74) Representative: Potter Clarkson 
Chapel Quarter Mount Street
Nottingham NG1 6HQ
Nottingham NG1 6HQ (GB)

   


(54) HEAT-NOT-BURN (HNB) AEROSOL-GENERATING DEVICES AND CAPSULES HAVING ELECTRICAL CONTACT PADS WITH SURFACE DISCONTINUITIES