Patent · US Expired

Compartmented product for dispensing treatment agents in a washing or dishwashing machine

US4776455A · kind A · utility

93Cited by
14References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 6, 1987
Grant dateOct 11, 1988
Priority date
Expiry dateMar 6, 2007

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC11D17/046
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A multicompartment sachet product for delivering treatment agents to the washing machine or dishwasher comprises a first compartment capable of releasing its contents (solid or liquid) within 3 minutes from the start of the wash process, and a second compartment of water-permeable material provided with a pore-occluding coating and/or in the form of a sachet within a sachet so that release of its contents (powder) is delayed for at least 5 minutes from the restart of the wash process and/or retarded.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.