Foaming compositions and methods for making and using the compositions
US6444713B1 · kind B1 · utility
68Cited by
13References
32Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 20, 1998 |
| Grant date | Sep 3, 2002 |
| Priority date | — |
| Expiry date | Nov 20, 2018 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2363/00
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A low-temperature foam compositions and that are produced from an epoxy compound and an acid source can be substantially free of polyurethane or isocyanate chemistry. The disclosed compositions and precursors thereof reduce, if not eliminate, the presence of conventional undesirable compounds and by-products thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.