Patent · US Expired

Process for acetylating a wood material

US4592962A · kind A · utility

11Cited by
2References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 11, 1984
Grant dateJun 3, 1986
Priority date
Expiry dateMay 11, 2004

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/662
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

A process for acetylating a wood material which comprises impregnating the wood material with an aqueous solution of an alkali metal acetate, drying the wood material containing the alkali metal acetate solution, and treating the dried wood material with acetic anhydride optionally diluted with an organic solvent at temperature between 100.degree. C. and 150.degree. C.

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