Global Patent Index - EP 1700903 B1

EP 1700903 B1 2009-02-18 - Method for eliminating corrosion stains caused by acid foodstuffs from marble surfaces

Title (en)

Method for eliminating corrosion stains caused by acid foodstuffs from marble surfaces

Title (de)

Verfahren zum Entfernen von Flecken verursacht durch Korrosion durch säurehaltige Lebensmittel von Marmoroberflächen

Title (fr)

Procédé d'elimination des tâches de corrosion à cause des produits alimentaires acides ou des produits similaires des surfaces de marbre

Publication

EP 1700903 B1 (EN)

Application

EP 05425308 A

Priority

EP 05425308 A

Abstract (en)

[origin: EP1700903A1] The method uses a polishing buffer (1) with under abrasive sheets (2) and a second spongy buffer (3) having a mixture (4) consists of oxalic acid in grain (5) of a diameter from four millimetres to eight millimetres and, in the same quantity, to have added other milled oxalic acid (6) having a dimension smaller of the grains (5) but not in dust. To this mixture is added, in quantity like the middle of one of the two components already used, a marble polishing dust (7). All the components are mixing.

IPC 8 full level (invention and additional information)

C11D 3/14 (2006.01); C11D 7/26 (2006.01); C11D 11/00 (2006.01); C11D 17/04 (2006.01); C11D 17/06 (2006.01)

CPC (invention and additional information)

C11D 3/14 (2013.01); C11D 3/001 (2013.01); C11D 7/265 (2013.01); C11D 11/0052 (2013.01); C11D 11/0064 (2013.01); C11D 17/049 (2013.01); C11D 17/06 (2013.01)

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR

EPO simple patent family

EP 1700903 A1 20060913; EP 1700903 B1 20090218; AT 423187 T 20090315; DE 602005012793 D1 20090402

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