Low-dust granules of plastic additives
US5597857A · kind A · utility
22Cited by
6References
29Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 12, 1995 |
| Grant date | Jan 28, 1997 |
| Priority date | — |
| Expiry date | Apr 12, 2015 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/098
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Low-dust granules of plastic additives, comprising at least 10% by weight of calcium stearate, where the water content of the calcium stearate is less than 2%, having a particle size distribution, in accordance with ISO 3435, of from 1 mm to 10 mm, a loose bulk density of greater than 400 g/l and a flowability in accordance with DIN 53492 of less than 15 s (tR25), a process for their production, and the use of these granules for the stabilization of organic polymers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.