Multilayer polymer film with additional coatings or layers
US6459514B2 · kind B2 · utility
55Cited by
90References
8Claims
0Family size
Assignee
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Key dates
| Filing date | Oct 18, 1999 |
| Grant date | Oct 1, 2002 |
| Priority date | — |
| Expiry date | Oct 18, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31786
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A multilayer optical film comprising: (a) an optical stack comprising alternating layers of at least a first polymer and a second polymer; and (b) a holographic image.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.