EP 2231843 A1 20100929 - USE OF ALKANE SULPHONIC ACID FOR RUST REMOVAL
Title (en)
USE OF ALKANE SULPHONIC ACID FOR RUST REMOVAL
Title (de)
VERWENDUNG VON ALKANSCHWEFELSÄURE ZUR ROSTENTFERNUNG
Title (fr)
UTILISATION D'ACIDE ALCANE SULFONIQUE POUR ELIMINATION DE LA ROUILLE
Publication
Application
Priority
- FR 2009052321 W 20091127
- FR 0858129 A 20081128
Abstract (en)
[origin: WO2010061146A1] The present invention relates to the use of at least one alkane sulphonic acid, with formula R-SO3H, where R represents a saturated, linear or branched hydrocarbon chain, comprising 1 to 4 atoms of carbon for removing rust from all types of surface, in particular from metal surfaces, specifically iron, steel and others. The invention also relates to a method for cleaning rust from all types of surfaces using at least one alkane sulphonic acid.
IPC 8 full level
C11D 3/00 (2006.01); C11D 3/34 (2006.01); C11D 7/34 (2006.01); C23G 1/08 (2006.01)
CPC (source: EP US)
C11D 3/0073 (2013.01 - EP US); C11D 3/3409 (2013.01 - EP US); C11D 7/34 (2013.01 - EP US); C23G 1/088 (2013.01 - EP US)
Citation (search report)
See references of WO 2010061146A1
Designated contracting state (EPC)
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 SE SI SK SM TR
Designated extension state (EPC)
AL BA RS
DOCDB simple family (publication)
FR 2939146 A1 20100604; FR 2939146 B1 20121116; CA 2711205 A1 20100603; CA 2711205 C 20141104; EP 2231843 A1 20100929; EP 2231843 B1 20150722; ES 2545608 T3 20150914; US 2011214690 A1 20110908; US 8574370 B2 20131105; WO 2010061146 A1 20100603
DOCDB simple family (application)
FR 0858129 A 20081128; CA 2711205 A 20091127; EP 09797108 A 20091127; ES 09797108 T 20091127; FR 2009052321 W 20091127; US 81141309 A 20091127