Sheets made of filled polymer compositions
US6846533B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 22, 2002 |
| Grant date | Jan 25, 2005 |
| Priority date | — |
| Expiry date | Jul 22, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31938
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
According to one embodiment, a container comprises a base. The base has a bottom wall and a continuous base wall which encompasses the bottom wall and extends upwardly therefrom. The base is made from a mixture of a polyolefin and a filler. The mixture is from about 30 to about 75 wt. % filler and from about 25 to about 70 wt. % polyolefin. A high aspect ratio filler and a low aspect ratio filler are included in the filler, with the high aspect ratio filler having an aspect ratio of at least 5:1 and the low aspect ratio filler having an aspect ratio of less than about 3:1. The filler comprises at least 50 wt. % of low aspect ratio filler.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.