Flexible hinge material comprising cross-linked polyurethane material
US10406845B2 · kind B2 · utility
2Cited by
16References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 15, 2013 |
| Grant date | Sep 10, 2019 |
| Priority date | — |
| Expiry date | May 31, 2036 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T156/10
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
An article may include a biodata page defining a perimeter including an edge and a hinge layer attached to at least a portion of the biodata page. The hinge layer comprises a cross-linked polyurethane. In some examples, the hinge layer may include a cross-linked thermoset polyurethane.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.