Intumescent composition and method
US6228914A · kind A · utility
45Cited by
51References
18Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Jan 2, 1998 |
| Grant date | May 8, 2001 |
| Priority date | — |
| Expiry date | Jan 2, 2018 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K21/12
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An aqueous composition containing a hardenable binder of a melamine compound, such as an acid-hardenable melamine-formaldehyde resin, and an acidic phosphorus compound, such as a nitrogen-containing phosphorus compound made from either phosphoric acid or phosphorus acid, and expandable graphite flake, which composition is curable to an intumescent composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.