Wood preservative

US4857322A · kind A · utility

Assignee

• Dr. Wolman GmbH · DE

Inventors

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

Key dates

• Filing date: Nov 9, 1987
• Grant date: Aug 15, 1989
• Expiry date: Nov 9, 2007

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B27K3/52
• WIPO field: Machine tools
• WIPO sector: Mechanical engineering

Abstract

Wood preservatives based on a copper compound and an aliphatic carboxylic acid and additionally containing a polyamine, and a method for preserving wood with these preservatives.