Polyfuran foams and a method of preparing same
US3975319A · kind A · utility
7Cited by
6References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 19, 1975 |
| Grant date | Aug 17, 1976 |
| Priority date | — |
| Expiry date | Jun 19, 1995 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2497/00
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A synthetic foam and a process for its preparation is disclosed comprising (a) a polymerized mass of at least 50 parts by weight of furfuryl alcohol, at least one part by weight of at least one amino compound selected from the group consisting of urea, thiourea and melamine, and up to 49 parts by weight formaldehyde, and (b) an equal or less amount of filler.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.