Multilayer light-reflecting film
US4162343A · kind A · utility
54Cited by
11References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 23, 1977 |
| Grant date | Jul 24, 1979 |
| Priority date | — |
| Expiry date | Dec 23, 1997 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31938
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A multilayer coextruded light-reflecting film is improved by utilizing a mixture of a polyolefin and ethylenevinyl acetate as one of the diverse resinous material which form the plurality of layers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.