Presence indicator for removable transparent film
First Claim
1. A panel comprising a substrate having a surface carrying a removable transparent film that can be removed from said surface by a desired washing process, the panel including a removable presence indicator provided in between said surface and the removable transparent film, the presence indicator being separate from the removable transparent film and removable by the same desired washing process as the removable transparent film.
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Accused Products
Abstract
A substrate having a surface carrying a removable transparent film that can be removed by the surface by a desired washing process, and removable presence indicator associated with the removable transparent film, the presence indicator being removable by the same desired washing process as the removable transparent film. A method of producing a substrate having a presence indicator in contact with a removable transparent film a method of washing a substrate having a presence indicator in contact with a removable transparent film are also disclosed.
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Citations
55 Claims
- 1. A panel comprising a substrate having a surface carrying a removable transparent film that can be removed from said surface by a desired washing process, the panel including a removable presence indicator provided in between said surface and the removable transparent film, the presence indicator being separate from the removable transparent film and removable by the same desired washing process as the removable transparent film.
- 27. A panel comprising a substrate having a surface carrying a removable transparent film that can be removed from said surface by a desired washing process, the panel including a removable presence indicator so associated with the removable transparent film, the presence indicator being removable by the same desired washing process as the removable transparent film, wherein the presence indicator comprises a substoichiometric or superstoichiometric compound.
- 40. A panel comprising a substrate having a surface carrying a removable transparent film that can be removed from said surface by a desired washing process, the panel including a removable presence indicator that is removable by the same desired washing process as the removable transparent film, wherein the presence indicator comprises a plurality of visible material deposits provided at spaced-apart locations in contact with the removable transparent film, wherein the plurality of visible material deposits comprise substoichiometric or superstoichiometric metal oxide.
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42. A panel comprising a substrate having a surface carrying a removable transparent film that can be removed from said surface by a desired washing process, the panel including a removable presence indicator that is removable by the same desired washing process as the removable transparent film, wherein the presence indicator comprises a plurality of visible material deposits provided in contact with the removable transparent film, wherein the removable transparent film comprises zinc oxide and the plurality of visible material deposits comprises deposits of a substoichiometric or superstoichiometric zinc oxide.
- 43. A panel comprising a substrate having a surface carrying a removable transparent film that can be removed from said surface by a desired removing process, the panel including a removable presence indicator that is removable by the same desired removing process as the removable transparent film, wherein the presence indicator comprises a plurality of visible material deposits provided in contact with the removable transparent film, wherein the plurality of visible material deposits comprises one or more decals.
- 47. A panel comprising a substrate having a surface carrying a removable transparent film that can be removed from said surface by a desired removing process, the removable transparent film having an inner surface and an outer surface, the inner surface being closer to the substrate than the outer surface, wherein the panel includes, a first removable presence indicator provided in contact with the inner surface and a second removable presence indicator provided in contact with the outer surface or incorporated in the removable transparent film, wherein both the first and second presence indicators are removable by the same desired washing process as the removable transparent film.
Specification