Polypropylene composition
US4407986A · kind A · utility
37Cited by
8References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 14, 1982 |
| Grant date | Oct 4, 1983 |
| Priority date | — |
| Expiry date | Jun 14, 2002 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K3/26
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A polypropylene composition comprising a crystalline polypropylene and a precipitated calcium carbonate which is subjected to a surface-treatment with a suitable dispersant, and has an average particle diameter of from 0.1 to 0.4.mu..
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.