(19)
(11) EP 4 337 359 A1

(12)

(43) Date of publication:
20.03.2024 Bulletin 2024/12

(21) Application number: 22805261.9

(22) Date of filing: 16.05.2022
(51) International Patent Classification (IPC): 
B01D 21/26(2006.01)
B01D 36/04(2006.01)
B01D 36/02(2006.01)
B01D 9/00(2006.01)
(52) Cooperative Patent Classification (CPC):
B01D 36/04; B01D 9/0059; B01D 9/0018; B01D 9/0054; B01D 9/0036; B01D 9/0063; B01D 9/0027; B01D 11/0492; B01D 11/0488; C01F 11/18; C01C 1/24; C01D 3/04; C01D 7/07; C01G 49/06; C01P 2006/80; C01F 11/46; C01G 49/02; C01F 7/441
(86) International application number:
PCT/US2022/029451
(87) International publication number:
WO 2022/245733 (24.11.2022 Gazette 2022/47)
(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 MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
KH MA MD TN

(30) Priority: 15.05.2021 US 202117321437

(71) Applicant: Davy Powersports Inc.
Bainbridge Island, WA 98110 (US)

(72) Inventors:
  • PAPOUCHADO, Lucien, M.
    Bainbridge Island, WA 98110 (US)
  • SCHEETZ, Barry, E.
    Bainbridge Island, WA 98110 (US)
  • PASSMORE, Leonard
    Bainbridge Island, WA 98110 (US)
  • PRESTON, Joseph, D.
    Bainbridge Island, WA 98110 (US)

(74) Representative: Greaves Brewster LLP 
Copa House Station Road
Cheddar, Somerset BS27 3AH
Cheddar, Somerset BS27 3AH (GB)

   


(54) SYSTEMS AND METHODS TO RECOVER VALUE-ADDED MATERIALS FROM GYPSUM