Patent · US Expired

Stable liquid melamine urea formaldehyde resins, hardeners, adhesive compositions, and methods for making same

US6723825B2 · kind B2 · utility

1Cited by
7References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 25, 2003
Grant dateApr 20, 2004
Priority date
Expiry dateMar 2, 2023

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09J161/30
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

The invention relates to a process for preparing a liquid melamine urea formaldehyde resin that has long term stability. The invention also relates to a liquid MUF resin with a high formaldehyde and melamine content. The invention further relates to a liquid suspension hardener including a catalyst, a thickener, a filler, and water. The invention also relates to a adhesive composition for use in wood bonding that is made by adding a hardener to the resin.

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