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Current content: 157 484 516 patent documents

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147 225 new documents added

921 612 documents amended

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EP 1132458 A2 20010912 - Limescale removing compositions

Title (en)

Limescale removing compositions

Title (de)

Zusammensetzungen zum Entfernen von Kalkstein

Title (fr)

Compositions de détartrage

Publication

EP 1132458 A2 20010912 (EN)

Application

EP 01108244 A 19950208

Priority

EP 01108244 A 19950208
EP 95200309 A 19950208

Abstract (en)

The present invention provides the use of an arylsulfonic acid selected from a specific group, in an aqueos composition, for removing limescale.

IPC 1-7

C11D 3/34; C11D 3/39; C11D 3/02

IPC 8 full level

C11D 3/02 (2006.01); C11D 3/34 (2006.01); C11D 3/39 (2006.01)

CPC (source: EP)

C11D 3/3418 (2013.01)

Designated contracting state (EPC)

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

DOCDB simple family (publication)

EP 1132458 A2 20010912; EP 1132458 A3 20010919; EP 1132458 B1 20050119; AT E287440 T1 20050215; DE 69524559 D1 20020124; DE 69524559 T2 20020822; DE 69533947 D1 20050224; DE 69533947 T2 20051222; ES 2164740 T3 20020301; ES 2236072 T3 20050716

DOCDB simple family (application)

EP 01108244 A 19950208; AT 01108244 T 19950208; DE 69524559 T 19950208; DE 69533947 T 19950208; ES 01108244 T 19950208; ES 95200309 T 19950208