Light pipe composition
US6526213B1 · kind B1 · utility
28Cited by
38References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 18, 1999 |
| Grant date | Feb 25, 2003 |
| Priority date | — |
| Expiry date | May 18, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S385/901
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The present invention provides polymeric material compositions having excellent white light transmission that is substantially free of color over long light path lengths. This invention also provides polymeric material compositions that provide for the transmission of light having a controlled color when illuminated with a white light source.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.