Patent · US Active

Preparation for the fungicidal and algicidal finish of alkaline coating compositions

US7781466B2 · kind B2 · utility

0Cited by

1References

8Claims

0Family size

Assignee

Air Liquide Santé (International) · FR

Inventors

Petra Kolditz · Hamburg, DE
Klaus Weber · Hamburg, DE
Ralf Gradtke · Tornesch, DE
Wolfgang Beilfuss · Hamburg, DE

Key dates

Filing date	Sep 21, 2006
Grant date	Aug 24, 2010
Priority date	—
Expiry date	Jun 16, 2029

Classification

Technology area (CPC A)Human Necessities
CPC primaryA01N59/02
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

The invention relates to a preservative comprising at least one isothiazolone, at least one quaternary ammonium compound, and at least one stabilizer selected from the group of sulphite salts, hydrogen sulphite salts, sulphite-releasing compounds and hydrogen-sulphite-releasing compounds, the presence of algicidal triazine being ruled out. The preservative inhibits the growth of fungi, algae and bacteria on or in alkaline coating compositions. The invention furthermore relates to a process for the preparation of the preservative, to its use in a coating composition, and to the preserved composition.

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