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US 10,265,932 B2Granted
Protective sheets, articles, and methods
Assigneeentrotech, inc.
InventorJames E. McGuire, Jr.
Life of this patent
Estimating the term…
Abstract
Multi-layer protective sheets of the invention are extensible. They are useful in a range of indoor and outdoor applications in, for example, the transportation, architectural and sporting goods industries. The protective sheets can advantageously be applied to at least a portion of a surface of any article where protection is desired. Methods of the invention include those for forming protective sheets of the invention and applying them to articles.
Claims32
A multi-layer protective sheet consisting essentially of:
- a polyurethane-based carrier layer;
- an essentially uncrosslinked topcoat layer that is not an extrusion-grade polyurethane, wherein crosslinkers and reaction products thereof are not discernible in the topcoat layer when using chemical analysis;
- wherein an outermost adhesive later is present on a side of the carrier layer opposite from that of the topcoat layer;
- and
- optionally, a carrier film on an exterior surface of the topcoat layer, wherein the sheet is extensible, has a substantially uniform thickness throughout, and is essentially invisible on a substrate to which it is applied.
2 more elements
A multi-layer protective sheet consisting of:
- a polyurethane-based carrier layer;
- an essentially uncrosslinked topcoat layer that is not an extrusion-grade polyurethane, wherein crosslinkers and reaction products thereof are not discernible in the topcoat layer when using chemical analysis;
- optionally, an adhesive layer;
- optionally, a release film on an exterior surface of the adhesive layer;
- and
- optionally, a carrier film on an exterior surface of the topcoat layer,
- wherein the protective sheet is extensible, has a substantially uniform thickness throughout, and is essentially invisible on a substrate to which it is applied.
4 more elements
Dependencies are inferred from the claim text.