EP 4259765 A1 20231018 - USE OF LACTAM
Title (en)
USE OF LACTAM
Title (de)
VERWENDUNG VON LACTAM
Title (fr)
UTILISATION DE LACTAME
Publication
Application
Priority
- IN 202021053648 A 20201209
- EP 21152702 A 20210121
- EP 2021080768 W 20211105
Abstract (en)
[origin: WO2022122266A1] The invention relates to the use a lactam composition to improve toilet hygiene, the use comprising treatment of a toilet surface, wherein the composition comprises from 0.0001 to 5 wt.% of a lactam; wherein the use involves reduction of malodour; or wherein the use involves reduction of unwanted urine scale formation in the toilet; wherein the lactam is of formula (I) or (II) wherein R1 and R2 are each independently selected from hydrogen, halogen, alkyl, cycloalkyl, alkoxy, oxoalkyl, alkenyl, heterocyclyl, heteroaryl, aryl and aralalkyl; and R3 is selected from hydrogen, hydroxyl, alkyl, cycloalkyl, alkoxy, oxoalkyl, alkenyl, heterocyclyl, heteroaryl, cycloalkyl, aryl, aralalkyl, -C(O)CR6=CH2, and (CH2)nN+(Ra)3, where n is an integer from 1 to 16, preferably 2 to 8, and where each Ra is independently H or C1-4alkyl; R4 and R5 are independently selected from hydrogen, aryl, heterocyclyl, heteroaryl, and arylalkyl; and R6 is selected from hydrogen and methyl; and R7 is selected from hydrogen and -C(O)CR6=CH2; and preferably, at least one of R4 and R5 is hydrogen.
IPC 8 full level
CPC (source: EP)
C11D 3/28 (2013.01)
Citation (search report)
See references of WO 2022122266A1
Designated contracting state (EPC)
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
Designated extension state (EPC)
BA ME
Designated validation state (EPC)
KH MA MD TN
DOCDB simple family (publication)
DOCDB simple family (application)
EP 2021080768 W 20211105; EP 21814687 A 20211105