Patent · US Expired

Use of food colours to dye enzyme solutions

US7462473B2 · kind B2 · utility

0Cited by

6References

5Claims

0Family size

Assignee

Eppendorf AG · DE

Inventors

Roger Blum · Hamburg, DE
Sabine Kadow · Hamburg, DE

Key dates

Filing date	Jul 21, 2003
Grant date	Dec 9, 2008
Priority date	—
Expiry date	Apr 20, 2025

Classification

Technology area (CPC A)Human Necessities
CPC primaryA23L5/40
WIPO fieldFood chemistry
WIPO sectorChemistry

Abstract

The present invention relates to the use of food colors for coloring enzyme solutions, to enzyme solutions provided with food colors as well as their use.

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