Patent ID: 9346251
Filing Date: 2016-05-24
CPC Classification: B29C,B29L,B32B,H04B,Y10T

Claim Text:
1. A protective film product for use on a touchscreen of a mobile telephone, the protective film product comprising: a protective film having a proximal end, a distal end and two opposing sides, the proximal end, distal end and two opposing sides together forming a perimeter of the protective film, the perimeter surrounding a planar portion of the protective film that includes a first major surface and a second major surface opposite the first major surface, the first major surface separated from the second major surface by a thickness, the protective film having a structure configured to preserve touch sensitivity and clarity of the touchscreen of the mobile telephone; one or more adhesive layers disposed on the first major surface of the protective film, the one or more adhesive layers having planar dimensions substantially coextensive with first major surface of the protective film, the one or more adhesive layers including one or more components having molecular weights sufficiently low to cause at least a portion of the one or more components to migrate into the protective film to modify characteristics of the protective film; a removable backing layer having a planar surface in contact with an outermost adhesive layer of the one or more adhesive layers, the backing layer preventing contact of the one or more adhesive layers by other objects prior to installation of the protective film onto a surface portion of the mobile telephone, the backing layer having planar dimensions substantially coextensive with the first major surface of the protective film; and a removable cap sheet disposed on the second major surface of the protective film, wherein the removable cap sheet is not applied to the protective film as a liquid top coating and comprises a film applied to the second major surface of the protective film such that micro air pockets are formed in gaps between a surface of the cap sheet and the second major surface of the protective film wherein the protective film comprises a urethane sheet and wherein at least one of the one or more adhesive layers consists essentially of a copolymer of an acrylate polymer and silicone macromer side chains.