(19)
(11) EP 4 200 458 A1

(12)

(43) Date of publication:
28.06.2023 Bulletin 2023/26

(21) Application number: 21758467.1

(22) Date of filing: 18.08.2021
(51) International Patent Classification (IPC): 
C23C 14/24(2006.01)
C04B 35/581(2006.01)
C23C 14/26(2006.01)
C04B 35/645(2006.01)
(52) Cooperative Patent Classification (CPC):
C23C 14/243; C23C 14/26; C04B 35/581; C04B 2235/3813; C04B 2235/94; C04B 2235/95; C04B 35/645
(86) International application number:
PCT/IB2021/057619
(87) International publication number:
WO 2022/038548 (24.02.2022 Gazette 2022/08)
(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: 19.08.2020 EP 20191717

(71) Applicant: 3M Innovative Properties Company
Saint Paul, Minnesota 55133-3427 (US)

(72) Inventors:
  • RUISINGER, Bernd
    87435 Kempten (DE)
  • VICTOR, Georg P.
    41453 Neuss (DE)
  • MESCHKE, Frank A.
    41453 Neuss (DE)
  • SCHEUTHLE, Bernd
    41453 Neuss (DE)

(74) Representative: Mössner, Brigitte 
3M Deutschland GmbH Office of Intellectual Property Counsel (PC 072P) Carl-Schurz-Strasse 1
41453 Neuss
41453 Neuss (DE)

   


(54) EVAPORATION BOAT FOR EVAPORATION OF METALS