Patent · US Expired

Washing or cleaning agent shaped bodies

US7256168B2 · kind B2 · utility

4Cited by
12References
83Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 8, 2001
Grant dateAug 14, 2007
Priority date
Expiry dateSep 4, 2023

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC11D17/049
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A detergent tablet having at least one phase in the form of a solid foam having gas-filled cells delimited by solid partitions, and the tablet or the at least one phase comprises 40% to 90% by weight of one or more water-soluble polymers. A process for the production of detergent tablets by foaming a solution, melt, emulsion, or suspension comprising at least one active ingredient with a gaseous medium, and solidifying the resulting foam.

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