Reflective polymeric article and manufacture
US8908129B2 · kind B2 · utility
1Cited by
27References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 12, 2009 |
| Grant date | Dec 9, 2014 |
| Priority date | — |
| Expiry date | Jun 9, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/249981
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
In one embodiment, the method for making a polymer article comprises: orienting polymer chains in one direction more than any other direction to form an oriented article, contacting the oriented article with a foaming agent, and foaming the material to form the reflective polymer article comprising planar cell structures having a length “l” and a thickness “t”.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.