(19)
(11) EP 4 481 089 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
30.04.2025 Bulletin 2025/18

(43) Date of publication A2:
25.12.2024 Bulletin 2024/52

(21) Application number: 24174126.3

(22) Date of filing: 03.05.2024
(51) International Patent Classification (IPC): 
C25D 11/08(2006.01)
C25D 11/24(2006.01)
 A61L 27/06(2006.01)
C25D 11/26(2006.01)
(52) Cooperative Patent Classification (CPC):
C25D 11/08; C25D 11/24; C25D 11/26
(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: 03.05.2023 US 202363499717 P

(71) Applicants:
  • Tesler, Alexander
    91056 Erlangen (DE)
  • Goldmann, Wolfgang H.
    91054 Erlangen (DE)

(72) Inventors:
  • TESLER, Alexander
    91056 Erlangen (DE)
  • GOLDMANN, Wolfgang
    91054 Erlangen (DE)
  • PRADO, Lucia H.
    04107 Leipzig (DE)
  • MAZARE, Anca
    90408 Nürnberg (DE)
  • THIEVESSEN, Ingo
    91056 Erlangen (DE)
  • BÖHRINGER, David
    91078 Herzogenaurach (DE)
  • SANTIAGO, Callum E.
    69118 Ziegelhausen (DE)

(74) Representative: FDST Patentanwälte 
Nordostpark 16
90411 Nürnberg
90411 Nürnberg (DE)

   


(54) METHOD FOR PREPARATION OF A SURFACE, METHOD FOR CHARACTERIZATION OF A SURFACE, COMPONENT, AND USE OF SUCH COMPONENT


(57) A method is described for the preparation of a surface (2) such that it thermodynamically stable traps air when immersed in aqueous media, comprising the steps of: Providing a material, wherein the said material comprises the said surface (2); Connecting the material as a working electrode (4); Providing an electrolyte (6); Addition of H2O2 to the electrolyte (6); Providing a counter electrode (8); Applying a pre-defined voltage (V), wherein, upon application of the voltage (V), anodization of the working electrode (4) is carried out over a pre-defined time interval; Functionalizing the material by bringing it into contact with a fluorinated agent (10) and heating it to a pre-defined temperature. In addition, a method for characterizing a surface (2), a component (14), and uses for a component (14) are described.







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