Electronic appliance having housing-case made of biodegradable material, and container made of biodegradable material
US6791029B2 · kind B2 · utility
4Cited by
5References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 6, 2002 |
| Grant date | Sep 14, 2004 |
| Priority date | — |
| Expiry date | Nov 6, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05K5/00
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An appliance comprising a housing-case, a main unit of such appliance and an optional structural member, wherein at least portions of the housing-case and the structural member are made of biodegradable material containing polylactic acid as a major component is provided. Such appliance can achieve durability sufficient for the practical use without causing environmental impact if the housing-case and structural member thereof are disposed as they are.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.