Patent · US Expired

Process for preparing bonding agents for light-colored weatherproof wood materials

US4170611A · kind A · utility

1Cited by
3References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 5, 1977
Grant dateOct 9, 1979
Priority date
Expiry dateJan 5, 1997

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08L61/34
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A process for preparing bonding agents for light-colored weatherproof wood materials, based on alkali-condensed phenol-formaldehyde mixed condensates.

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