Patent · US Active

Process for preparing bleach activator cogranulates

US7332464B2 · kind B2 · utility

2Cited by

19References

14Claims

0Family size

Assignee

Clariant Produkte (Deutschland) GmbH · DE

Inventors

Jurgen Cramer · Eppstein, DE
Johannes Himmrich · Eppstein, DE
Helmut Kramer · Mainz, DE

Key dates

Filing date	Jul 6, 2006
Grant date	Feb 19, 2008
Priority date	—
Expiry date	Jul 6, 2026

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC11D3/3925
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

Bleach activator cogranulates of one or more ammonium nitrites and at least one further bleach activator obtained by spraying an aqueous solution of one or more ammonium nitrites onto the further bleach activator, granulating the resulting mixture and drying and sieving the moist granulate.

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