Binder composition with low formaldehyde emission and process for its preparation
US4992519A · kind A · utility
75Cited by
12References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 1, 1989 |
| Grant date | Feb 12, 1991 |
| Priority date | — |
| Expiry date | Feb 1, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31975
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Binder for the production of particle board and plywood with low formaldehyde emission which comprises a polymer formed fron an acidified starch hydrolyzate, urea and formaldehyde. Process for preparation of the polymer and for its use for production of particle board and plywood are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.