Melamine-urea-formaldehyde resins modified with cyclic urea prepolymer and sodium metabisulfite
US6566459B1 · kind B1 · utility
6Cited by
12References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 29, 2002 |
| Grant date | May 20, 2003 |
| Priority date | — |
| Expiry date | Apr 29, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31873
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A melamine-urea-formaldehyde resin modified with a cyclic urea prepolymer and sodium metabisulfite. Products prepared with the binder include wood composites such as particleboard and medium density fiberboard.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.