Cellulosic composite component
US7186457B1 · kind B1 · utility
49Cited by
272References
40Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 27, 2002 |
| Grant date | Mar 6, 2007 |
| Priority date | — |
| Expiry date | Aug 26, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31949
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A component such as a siding panel comprised of a PVC/wood flour composite. Another embodiment is a component such as a siding panel that is made from a PVC/CPE/wood flour composite. The cellulosic composite may be extruded through a die and then bent into the shape of the component. Optionally, a reinforcement backer (e.g., an expanded polystyrene foam panel) may be adhered to the cellulosic composite siding.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.