Search International and National Patent Collections

1. (WO2018067486) LOW PH LAUNDRY DETERGENT COMPOSITION

Pub. No.:    WO/2018/067486    International Application No.:    PCT/US2017/054818
Publication Date: Fri Apr 13 01:59:59 CEST 2018 International Filing Date: Wed Oct 04 01:59:59 CEST 2017
IPC: C11D 1/02
C11D 3/20
C11D 11/00
C11D 17/06
C11D 3/42
C11D 3/40
Applicants: THE PROCTER & GAMBLE COMPANY
Inventors: CHIEFFI, Andre
BROOKER, Alan, Thomas
WILKINSON, Craig, Adam
FULLER, Linsey, Sarah
GOULD, Paul, Anthony
TANTAWY, Hossam, Hassan
HADDRELL, Benjamin, Mark
Title: LOW PH LAUNDRY DETERGENT COMPOSITION
Abstract:
The present invention relates to a solid free flowing particulate laundry detergent composition comprising: (a) anionic detersive surfactant; (b) from 0wt% to 8wt% zeolite builder; (c) from 0wt% to 4wt% phosphate builder; (d) from 0wt% to 8wt% sodium carbonate; (e) from 0wt% to 8wt% sodium silicate; (f) from 4wt% to 20wt% organic acid; and (g) hueing agent having the following structure: wherein: R1 and R2 are independently selected from the group consisting of: H; alkyl; alkoxy; alkyleneoxy; alkyl capped alkyleneoxy; urea; and amido; R3 is a substituted aryl group; X is a substituted group comprising sulfonamide moiety and optionally an alkyl and/or aryl moiety, and wherein the substituent group comprises at least one alkyleneoxy chain that comprises an average molar distribution of at least four alkyleneoxy moieties, wherein the composition at 1wt% dilution in deionized water at 20oC, has an equilibrium pH in the range of from 6.5 to 9.0, wherein the composition comprises from 30wt% to 90wt% base detergent particle, wherein the base detergent particle comprising (by weight of the base detergent particle): (a) from 4wt% to 35wt% anionic detersive surfactant; (b) optionally, from 1wt% to 8wt% zeolite builder; (c) from 0wt% to 4wt% phosphate builder; (d) from 0wt% to 8wt% sodium carbonate; (e) from 0wt% to 8wt% sodium silicate; (f) from 1wt% to 10wt% organic acid; and (g) optionally, from 1wt% to 10wt% magnesium sulphate.