Patent · US Expired

Tree foliage extracts and their use in phenol-aldehyde resins

US4469858A · kind A · utility

5Cited by
8References
6Claims
0Family size

Inventor

Key dates

Filing dateSep 25, 1981
Grant dateSep 4, 1984
Priority date
Expiry dateSep 25, 2001

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/3196
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Tree foliage extracts, their extraction processes, and the use of such extracts in formulating resins suitable for use in plywood adhesives and as wood bonding agents.

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