Multilayer polymer film with additional coatings or layers
US6737154B2 · kind B2 · utility
44Cited by
94References
54Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 16, 2001 |
| Grant date | May 18, 2004 |
| Priority date | — |
| Expiry date | Apr 16, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31909
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A multilayer polymer film has an optical stack including a plurality of alternating polymer layers with skin layers having mechanical, optical, or chemical properties differing from those of the layers in the optical stack. In one embodiment, the multilayer polymeric film has one or more holograms that provide attractive and useful optical effects.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.