Detergent products, methods and manufacture

US7125828B2 · kind B2 · utility

Assignee

• The Procter & Gamble Company · US

Inventors

• Tanguy Marie Louis Alexandre Catlin · Brussels, BE
• Rachid Ben Moussa · La Hulpe, BE
• Timothy Bernard William Kroese · Brussels, BE
• Charles Rupert Gillham · London, GB
• James Iain Kinloch · Cramlington, GB
• David J. Smith · Columbia, US
• Alison Lesley Main · Whitley Bay, GB
• Helen Varley · Gosforth, GB

Key dates

• Filing date: Nov 27, 2001
• Grant date: Oct 24, 2006
• Expiry date: Jan 29, 2024

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C11D2111/14
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

A water-soluble pouch suitable for use in machine dishwashing and which comprises a plurality of compartments in generally superposed or superposable relationship, each containing one or more detergent active or auxiliary components, and wherein the pouch has a volume of from about 5 to about 70 ml and a longitudinal/transverse aspect ratio in the range from about 2:1 to about 1:8, preferably from about 1:1 to about 1:4. The water-soluble pouch allows for optimum delivery of dishwashing detergent. A process for the manufacture of multi-compartment pouches and a pack to contain the pouches are also disclosed.