Global Patent Index - EP 1015139 A1

EP 1015139 A1 2000-07-05 - METHOD FOR CLEANING A POROUS SURFACE, IN PARTICULAR A STONE SURFACE AND ADAPTED COMPOSITION

Title (en)

METHOD FOR CLEANING A POROUS SURFACE, IN PARTICULAR A STONE SURFACE AND ADAPTED COMPOSITION

Title (de)

VERFAHREN ZUM REINIGEN EINER PORÖSEN OBERFLÄCHE, INSBESONDERE AUS STEIN UND DAZU GEEIGNETE ZUSAMMENSETZUNG

Title (fr)

PROCEDE DE NETTOYAGE DE SURFACE POREUSE, NOTAMMENT EN PIERRE ET COMPOSITION ADAPTEE

Publication

EP 1015139 A1 (FR)

Application

EP 98932252 A

Priority

  • FR 9801305 W
  • FR 9708162 A

Abstract (en)

[origin: FR2764826A1] The invention concerns a method for cleaning particles, in particular generated by pollution, embedded on the uneven surface of a material such as stone, characterised in that it consists in the following steps: spreading an adhesive paste containing a solvent based on an aqueous and/or organic solution, within the outline of the surface to be cleaned, like a sticky pad, said paste having an adhesive power greater than that of the particles on the surface to be cleaned in the presence of the solvent; controlling the evaporation of the solvent on the external surface of said pad so that the particles come unstuck from the material surface and migrate on the opposite pad surface; remove the pad with the particles, after the pad has hardened sufficiently. The invention also concerns the related composition.

IPC 1-7 (main, further and additional classification)

B08B 7/00; C11D 11/00

IPC 8 full level (invention and additional information)

B08B 7/00 (2006.01); C11D 11/00 (2006.01); E04G 23/00 (2006.01)

CPC (invention and additional information)

B08B 7/0014 (2013.01); C11D 11/0052 (2013.01); E04G 23/002 (2013.01)

Citation (search report)

See references of WO 9858751A1

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

EPO simple patent family

FR 2764826 A1 19981224; FR 2764826 B1 19990903; AU 8221298 A 19990104; EP 1015139 A1 20000705; WO 9858751 A1 19981230

INPADOC legal status


2002-07-17 [18D] DEEMED TO BE WITHDRAWN

- Ref Legal Event Code: 18D

- Effective date: 20011229

2001-08-01 [17Q] FIRST EXAMINATION REPORT

- Ref Legal Event Code: 17Q

- Effective date: 20010618

2000-07-05 [17P] REQUEST FOR EXAMINATION FILED

- Ref Legal Event Code: 17P

- Effective date: 20000114

2000-07-05 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

- Designated State(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE