Patent · US Expired

Encapsulated active ingredient preparation for use in particulate detergents and cleaning agents

US6979669B2 · kind B2 · utility

3Cited by

12References

32Claims

0Family size

Assignee

Henkel Kommanditgesellschaft auf Aktien · DE

Inventors

Wilfried Raehse · Goldkronach, DE
Dieter Baur · Odenthal, DE
Werner Pichler · Kundl, AT

Key dates

Filing date	Mar 1, 2004
Grant date	Dec 27, 2005
Priority date	—
Expiry date	Jul 23, 2024

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC11D17/0039
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

A granulate for particulate detergents or cleaning agents, the granulate containing a detergent or cleaning agent active ingredient and an outer encapsulation layer formed of polyvalent metal salts of an unbranched or branched, unsaturated or saturated, mono- or polyhydroxylated fatty acid having at least 12 carbon atoms or a mixture of the salts. Also, a process for making the granulate by applying to the granules an encapsulation material that comprises one or more polyvalent metal salt or salts, preferably in the form of an aqueous dispersion in a fluidized bed process.

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