Fillers
US4808654A · kind A · utility
6Cited by
6References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 1, 1986 |
| Grant date | Feb 28, 1989 |
| Priority date | — |
| Expiry date | Jul 1, 2006 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01P2006/82
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The use of a material of empirical composition MgO(CO.sub.2).sub.b (H.sub.2 O).sub.c, where b is any value in the range 0.5 to 1.1 and c is any value in the range 0 to 2, and which have an amorphous content of at least 75% by weight, as a filler and/or a fire retardant for a solid or fluid matrix, a solid or fluid matrix (in particular a plastics matrix) containing such a material as dispersed particles, the materials in defined particulate morphologies, some of the materials per se and a process for their preparation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.