Patent · US Expired

Wood preservatives

US4759872A · kind A · utility

14Cited by

12References

4Claims

0Family size

Assignee

Dr. Wolman GmbH · DE

Inventors

Hans-Norbert Marx · Bühl, DE
Reimer Goettsche · Baden-Baden, DE
Wendelin Hettler · Baden-Baden, DE

Key dates

Filing date	Mar 20, 1987
Grant date	Jul 26, 1988
Priority date	—
Expiry date	Mar 20, 2007

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S424/11
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

A wood preservative contains a water-soluble, alkaline copper(II) complex and a water-soluble thiocyanate or iodide and may contain a reducing agent.

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