Patent · US Expired

Wood preservatives

US5399190A · kind A · utility

5Cited by
8References
10Claims
0Family size

Assignees

Inventors

Key dates

Filing dateMay 3, 1993
Grant dateMar 21, 1995
Priority date
Expiry dateMay 3, 2013

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB27K3/52
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

A wood preservative composition including a mixture of two or more metallic soaps of long chain unsaturated fatty acids, which soaps have a metallic component selected from the group consisting of copper, zinc, chromium, iron, antimony, tin, cobalt, nickel, arsenic, boron, lead, magnesium, potassium and sodium, and a fatty acid component selected from two or more of the group consisting of oleic acid, linoleic acid, and linolenic acid, the composition being such that the ratio by mass of metallic soap of oleic acid:metallic soap of linoleic acid:metallic soap of linolenic acid is about 20-29:15-70:0-47.

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