Patent · US Active

Wood preservatives

US11930817B2 · kind B2 · utility

2Cited by

7References

10Claims

0Family size

Inventors

Selvanathan Arumugam · Blue Bell, US
David A. Laganella · Swedesboro, US
Randall Wayne Stephens · Perkasie, US

Key dates

Filing date	Sep 24, 2019
Grant date	Mar 19, 2024
Priority date	—
Expiry date	Dec 10, 2040

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB27K2240/20
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

A wood preservative composition and method for preserving wood by contacting wood with said composition comprising a polyurethane polymer, non-aqueous solvents, and a wood preservative active.

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