Stabilized thermoplastic polymer composition
US6362258B1 · kind B1 · utility
6Cited by
12References
31Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 29, 1995 |
| Grant date | Mar 26, 2002 |
| Priority date | — |
| Expiry date | Dec 29, 2015 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/524
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A thermoplastic polymer composition includes a polyolefin polymer, silica; a phosphorus-containing antioxidant compound; and a co-additive that includes one or more of (i) a polyalkylene glycol having a number average molecular weight of greater than or equal to 3,000, (ii) a polyalkylene oxide, (iii) a sterically hindered amine compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.