High specific gravity polyester blend
US6300399A · kind A · utility
30Cited by
19References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 18, 1999 |
| Grant date | Oct 9, 2001 |
| Priority date | — |
| Expiry date | Nov 18, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K2003/0887
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A filled polyester molding composition which, based on the weight of the total composition, comprises (a) from about 5 to about 40 weight percent of a polyester resin; (b) from about 60 to about 95 percent of tungsten metal filler; and (c) from 0 to 20 weight percent of an impact modifier with a specific gravity greater than about 3.0 g./cc.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.