Patent · US Expired

Coated enzyme preparation for detergents and cleaning formulations

US5719115A · kind A · utility

13Cited by

9References

15Claims

0Family size

Assignee

Henkel Kommanditgesellschaft auf Aktien · DE

Inventors

Kathleen Paatz · Goldkronach, DE
Wilfried Raehse · Goldkronach, DE
Werner Pichler · Kundl, AT
Norbert Kuehne · Haan, DE
Horst Upadek · Erkrath, DE

Key dates

Filing date	Mar 5, 1996
Grant date	Feb 17, 1998
Priority date	—
Expiry date	Mar 5, 2016

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC12N11/04
WIPO fieldBiotechnology
WIPO sectorChemistry

Abstract

Enzyme granules containing an enzyme, an inorganic or organic carrier material and a uniform outer pigment-containing coating layer on the granules, wherein the outer coating layer contains 30 to 50% by weight of fine-particle inorganic pigment, 45 to 60% by weight of an alcohol or alcohol mixture having a melting point of from 45.degree. C. to 65.degree. C., up to 15% by weight of an emulsifier for the alcohol or alcohol mixture, up to 5% by weight of a dispersant for the pigment and up to 3% by weight of water, based on the weight of the outer coating layer.

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