Patent · US Expired

Dyed compositions containing insecticides

US6706761B1 · kind B1 · utility

1Cited by

11References

10Claims

0Family size

Assignee

S. C. JOHNSON & SON, INC. · US

Inventors

Mike-Dirk Bublitz · Burscheid, DE
Dietmar Kisters · Krefeld, DE
Rainer Hamprecht · Odenthal, DE

Key dates

Filing date	Nov 13, 2001
Grant date	Mar 16, 2004
Priority date	—
Expiry date	Nov 13, 2021

Classification

Technology area (CPC A)Human Necessities
CPC primaryA01N25/18
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

The invention relates to insecticide-comprising polymer-based compositions which, in order to recognize the point in time when the insecticide is exhausted, comprise at least one dye which, after the insecticide has evaporated, turns a different colour.

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