Solid free-flowing particulate laundry detergent composition

US9957466B2 · kind B2 · utility

Assignee

• The Procter & Gamble Company · US

Inventors

• Hossam Hassan Tantawy · Morpeth, GB
• Adam PORTER · Whitley Bay, GB
• Andre Chieffi · Tynemouth, GB
• Jill Robyn Dorgan · Newcastle upon Tyne, GB
• Anthony McMeekin · Bagshot, GB
• Paul Anthony Gould · Grafton, GB

Key dates

• Filing date: Mar 30, 2016
• Grant date: May 1, 2018
• Expiry date: Mar 30, 2036

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C11D17/06
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

A solid free-flowing particulate laundry detergent composition including: (a) from 0.1 wt % to 5 wt % polymer particle comprising: (i) from 70 wt % to 90 wt % co-polymer and (ii) from 10 wt % to 30 wt % salt; and (b) from 35 wt % to 80 wt % spray-dried particle including: (i) from 8 wt % to 24 wt % alkyl benzene sulphonate anionic detersive surfactant; (ii) from 5 w % to 18 wt % silicate salt; (iii) from 0 wt % to 10 wt % sodium carbonate; and (iv) from 0 wt % to 5 wt % carboxylate polymer.