Biodegradable radio frequency identification cards
US7492326B1 · kind B1 · utility
11Cited by
13References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 16, 2006 |
| Grant date | Feb 17, 2009 |
| Priority date | — |
| Expiry date | Sep 7, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A biodegradable RFID card includes a multiple-layer laminate with each layer being formed of a biodegradable material composition of a blend of between about 30-70% PLA and about 30-70% by weight of one or more polyesters. The biodegradable RFID card further includes an RFID assembly disposed on at least one of the laminate layers, with the RFID assembly including an integrated circuit and an antenna.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.