(19)
(11) EP 4 317 390 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
24.04.2024 Bulletin 2024/17

(43) Date of publication A2:
07.02.2024 Bulletin 2024/06

(21) Application number: 23205328.0

(22) Date of filing: 27.08.2016
(51) International Patent Classification (IPC): 
C11D 3/12(2006.01)
C11D 17/04(2006.01)
B08B 7/00(2006.01)
 C11D 3/386(2006.01)
A47L 13/17(2006.01)
(52) Cooperative Patent Classification (CPC):
C11D 3/124; C11D 3/38681; C11D 17/041; C11D 17/049; B08B 7/00
(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

(30) Priority: 28.08.2016 IT 201500047115

(62) Application number of the earlier application in accordance with Art. 76 EPC:
16779177.1 / 3365419

(71) Applicant: Brenta S.r.l.
36045 Lonigo (VI) (IT)

(72) Inventors:
  • RIELLO, Pietro
    35132 Padova (IT)
  • BENEDETTI, Alvise
    30123 Venezia (IT)
  • STORARO, Loretta
    30174 Mestre - Venezia (IT)
  • SCARPA, Irene
    30175 Marghera - Venezia (IT)

(74) Representative: Feltrinelli, Secondo Andrea 
APTA S.r.l. Patent Department Via Ca' di Cozzi, 41
37124 Verona
37124 Verona (IT)

   


(54) BIO-CLEANSING KIT AND METHOD FOR REMOVING BIOFILMS FROM SUBSTRATES


(57) The present invention relates to an enzymatic bio-cleansing kit suitable to remove biofilms as molds, algae, bacteria, lichens and similar organisms from substrates, preferably from stone-like substrates such as marble surfaces. Furthermore, the present invention discloses a method based on said enzymatic bio-cleansing kit for removing pre-existing biofilms from surfaces without affecting the integrity of the substrate and optimizing times and costs in surface maintenance. Said kit and method find application in many areas. Advantageously, the kit according to the present invention is easy to make and use in various embodiment, one of them allows enzyme recovery. In addition, it is safe for the users, the substrate and the environment.







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